Adds all question csvs

2026-04-19 16:56:45 +00:00 · 2020-08-11 20:28:09 +05:30
commit 0331bb542a
537 changed files with 20453 additions and 0 deletions
--- a/accolite_alltime.csv
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 1234,Replace the Substring for Balanced String,33.2%,Medium,0, https://leetcode.com/problems/replace-the-substring-for-balanced-string
--- a/adobe_1year.csv
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 1,Two Sum,45.6%,Easy,0.3464144405513164, https://leetcode.com/problems/two-sum
 2,Add Two Numbers,33.9%,Medium,0.303844163691924, https://leetcode.com/problems/add-two-numbers
 21,Merge Two Sorted Lists,53.5%,Easy,0.2612738868325316, https://leetcode.com/problems/merge-two-sorted-lists
 1096,Brace Expansion II,62.2%,Hard,0.2363887780642304, https://leetcode.com/problems/brace-expansion-ii
 741,Cherry Pickup,33.9%,Hard,0.20909179785855941, https://leetcode.com/problems/cherry-pickup
 5,Longest Palindromic Substring,29.5%,Medium,0.18726302339313927, https://leetcode.com/problems/longest-palindromic-substring
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.14469274653374686, https://leetcode.com/problems/longest-substring-without-repeating-characters
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.1110882064011508, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 274,H-Index,36.1%,Medium,0.07416907257227875, https://leetcode.com/problems/h-index
 706,Design HashMap,61.3%,Easy,0.0683442674369718, https://leetcode.com/problems/design-hashmap
 22,Generate Parentheses,62.7%,Medium,0.06759329113252818, https://leetcode.com/problems/generate-parentheses
 115,Distinct Subsequences,38.3%,Hard,0.061494781607806234, https://leetcode.com/problems/distinct-subsequences
 739,Daily Temperatures,63.3%,Medium,0.06111383323222972, https://leetcode.com/problems/daily-temperatures
 420,Strong Password Checker,14.0%,Hard,0.061087691979838175, https://leetcode.com/problems/strong-password-checker
 218,The Skyline Problem,34.6%,Hard,0.0564413109049518, https://leetcode.com/problems/the-skyline-problem
 76,Minimum Window Substring,34.6%,Hard,0.05473322196089386, https://leetcode.com/problems/minimum-window-substring
 728,Self Dividing Numbers,74.3%,Easy,0.054658412537864055, https://leetcode.com/problems/self-dividing-numbers
 15,3Sum,26.8%,Medium,0.05357467464947331, https://leetcode.com/problems/3sum
 206,Reverse Linked List,62.5%,Easy,0.046346967254127305, https://leetcode.com/problems/reverse-linked-list
 725,Split Linked List in Parts,52.2%,Medium,0.04603804920255727, https://leetcode.com/problems/split-linked-list-in-parts
 53,Maximum Subarray,46.5%,Easy,0.04299340685592046, https://leetcode.com/problems/maximum-subarray
 37,Sudoku Solver,43.6%,Hard,0.040527833612118376, https://leetcode.com/problems/sudoku-solver
 25,Reverse Nodes in k-Group,42.1%,Hard,0.040236757867738004, https://leetcode.com/problems/reverse-nodes-in-k-group
 202,Happy Number,50.4%,Easy,0.03853744444187023, https://leetcode.com/problems/happy-number
 42,Trapping Rain Water,48.9%,Hard,0.038490960607653675, https://leetcode.com/problems/trapping-rain-water
 560,Subarray Sum Equals K,43.9%,Medium,0.037871360699521406, https://leetcode.com/problems/subarray-sum-equals-k
 7,Reverse Integer,25.8%,Easy,0.03703110993069894, https://leetcode.com/problems/reverse-integer
 31,Next Permutation,32.6%,Medium,0.03686102113159897, https://leetcode.com/problems/next-permutation
 74,Search a 2D Matrix,36.5%,Medium,0.03685354875882915, https://leetcode.com/problems/search-a-2d-matrix
 4,Median of Two Sorted Arrays,29.6%,Hard,0.034565653112280895, https://leetcode.com/problems/median-of-two-sorted-arrays
 214,Shortest Palindrome,29.8%,Hard,0.03419136474827932, https://leetcode.com/problems/shortest-palindrome
 12,Integer to Roman,55.1%,Medium,0.03370158881097552, https://leetcode.com/problems/integer-to-roman
 617,Merge Two Binary Trees,74.1%,Easy,0.03264929866766111, https://leetcode.com/problems/merge-two-binary-trees
 1114,Print in Order,65.7%,Easy,0.0317486983145803, https://leetcode.com/problems/print-in-order
 55,Jump Game,34.6%,Medium,0.030985252381807864, https://leetcode.com/problems/jump-game
 368,Largest Divisible Subset,38.0%,Medium,0.030351343424138456, https://leetcode.com/problems/largest-divisible-subset
 176,Second Highest Salary,31.6%,Easy,0.029252542837437355, https://leetcode.com/problems/second-highest-salary
 1108,Defanging an IP Address,87.5%,Easy,0.02901382119071579, https://leetcode.com/problems/defanging-an-ip-address
 219,Contains Duplicate II,37.7%,Easy,0.028500979167549973, https://leetcode.com/problems/contains-duplicate-ii
 11,Container With Most Water,50.8%,Medium,0.02727648457622222, https://leetcode.com/problems/container-with-most-water
 343,Integer Break,50.4%,Medium,0.027157133968907482, https://leetcode.com/problems/integer-break
 312,Burst Balloons,51.8%,Hard,0.02552786995334295, https://leetcode.com/problems/burst-balloons
 220,Contains Duplicate III,20.9%,Medium,0.024876904755404577, https://leetcode.com/problems/contains-duplicate-iii
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.024228925974379843, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 836,Rectangle Overlap,48.6%,Easy,0.024228925974379843, https://leetcode.com/problems/rectangle-overlap
 221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
 18,4Sum,33.7%,Medium,0.022011160101351537, https://leetcode.com/problems/4sum
 45,Jump Game II,30.6%,Hard,0.021353124470568974, https://leetcode.com/problems/jump-game-ii
 300,Longest Increasing Subsequence,42.6%,Medium,0.020893943681912164, https://leetcode.com/problems/longest-increasing-subsequence
 525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
 229,Majority Element II,35.6%,Medium,0.019057270410286146, https://leetcode.com/problems/majority-element-ii
 146,LRU Cache,33.2%,Medium,0.01827577993873683, https://leetcode.com/problems/lru-cache
 200,Number of Islands,46.8%,Medium,0.017925481766054456, https://leetcode.com/problems/number-of-islands
 993,Cousins in Binary Tree,52.0%,Easy,0.017414458368636587, https://leetcode.com/problems/cousins-in-binary-tree
 6,ZigZag Conversion,36.3%,Medium,0.01726827253226344, https://leetcode.com/problems/zigzag-conversion
 175,Combine Two Tables,60.8%,Easy,0.017235202581487984, https://leetcode.com/problems/combine-two-tables
 994,Rotting Oranges,49.2%,Medium,0.017087941897195622, https://leetcode.com/problems/rotting-oranges
 389,Find the Difference,55.3%,Easy,0.016978336534417868, https://leetcode.com/problems/find-the-difference
 178,Rank Scores,45.8%,Medium,0.016785958549561074, https://leetcode.com/problems/rank-scores
 191,Number of 1 Bits,49.8%,Easy,0.01673523624045844, https://leetcode.com/problems/number-of-1-bits
 51,N-Queens,46.6%,Hard,0.016393809775676407, https://leetcode.com/problems/n-queens
 322,Coin Change,35.5%,Medium,0.016022774188122292, https://leetcode.com/problems/coin-change
 204,Count Primes,31.5%,Easy,0.015842612639489526, https://leetcode.com/problems/count-primes
 59,Spiral Matrix II,53.9%,Medium,0.01579187969789165, https://leetcode.com/problems/spiral-matrix-ii
 238,Product of Array Except Self,60.1%,Medium,0.015629897160874744, https://leetcode.com/problems/product-of-array-except-self
 561,Array Partition I,72.0%,Easy,0.015186320707985562, https://leetcode.com/problems/array-partition-i
 217,Contains Duplicate,56.0%,Easy,0.015106027431013205, https://leetcode.com/problems/contains-duplicate
 198,House Robber,42.0%,Easy,0.014946565030639177, https://leetcode.com/problems/house-robber
 54,Spiral Matrix,34.1%,Medium,0.014776167707688753, https://leetcode.com/problems/spiral-matrix
 142,Linked List Cycle II,37.3%,Medium,0.014710955064667802, https://leetcode.com/problems/linked-list-cycle-ii
 41,First Missing Positive,32.0%,Hard,0.014368063266920193, https://leetcode.com/problems/first-missing-positive
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.014352596574956585, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 24,Swap Nodes in Pairs,50.4%,Medium,0.013945066390122038, https://leetcode.com/problems/swap-nodes-in-pairs
 703,Kth Largest Element in a Stream,49.7%,Easy,0.013898764390814973, https://leetcode.com/problems/kth-largest-element-in-a-stream
 64,Minimum Path Sum,54.5%,Medium,0.013734383449598314, https://leetcode.com/problems/minimum-path-sum
 44,Wildcard Matching,24.7%,Hard,0.013703537497261858, https://leetcode.com/problems/wildcard-matching
 13,Roman to Integer,55.7%,Easy,0.013645103403569418, https://leetcode.com/problems/roman-to-integer
 1192,Critical Connections in a Network,48.6%,Hard,0.01352742981715631, https://leetcode.com/problems/critical-connections-in-a-network
 70,Climbing Stairs,47.8%,Easy,0.013494975575004323, https://leetcode.com/problems/climbing-stairs
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.013400535537482126, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 85,Maximal Rectangle,37.7%,Hard,0.013333530869465187, https://leetcode.com/problems/maximal-rectangle
 344,Reverse String,68.5%,Easy,0.013014662307854044, https://leetcode.com/problems/reverse-string
 137,Single Number II,52.4%,Medium,0.012527567532662891, https://leetcode.com/problems/single-number-ii
 88,Merge Sorted Array,39.4%,Easy,0.011986958032982505, https://leetcode.com/problems/merge-sorted-array
 543,Diameter of Binary Tree,48.4%,Easy,0.011898606798495848, https://leetcode.com/problems/diameter-of-binary-tree
 987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.011601058182762062, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
 1051,Height Checker,71.1%,Easy,0.011468015591641189, https://leetcode.com/problems/height-checker
 48,Rotate Image,56.7%,Medium,0.011428695823622754, https://leetcode.com/problems/rotate-image
 148,Sort List,42.3%,Medium,0.011204599012863078, https://leetcode.com/problems/sort-list
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.010575891759058162, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 92,Reverse Linked List II,38.8%,Medium,0.010427623162259089, https://leetcode.com/problems/reverse-linked-list-ii
 234,Palindrome Linked List,39.3%,Easy,0.010171877938733932, https://leetcode.com/problems/palindrome-linked-list
 61,Rotate List,30.0%,Medium,0.009925639799969955, https://leetcode.com/problems/rotate-list
 113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
 387,First Unique Character in a String,53.4%,Easy,0.009392680199054166, https://leetcode.com/problems/first-unique-character-in-a-string
 96,Unique Binary Search Trees,52.9%,Medium,0.009242209964820877, https://leetcode.com/problems/unique-binary-search-trees
 279,Perfect Squares,47.4%,Medium,0.009216655104924008, https://leetcode.com/problems/perfect-squares
 20,Valid Parentheses,39.0%,Easy,0.009170695326061695, https://leetcode.com/problems/valid-parentheses
 23,Merge k Sorted Lists,40.2%,Hard,0.009092808657599025, https://leetcode.com/problems/merge-k-sorted-lists
 128,Longest Consecutive Sequence,45.1%,Hard,0.009051883485315484, https://leetcode.com/problems/longest-consecutive-sequence
 295,Find Median from Data Stream,44.3%,Hard,0.00899893586856953, https://leetcode.com/problems/find-median-from-data-stream
 139,Word Break,40.1%,Medium,0.008741314401573542, https://leetcode.com/problems/word-break
 977,Squares of a Sorted Array,72.1%,Easy,0.008733679968754604, https://leetcode.com/problems/squares-of-a-sorted-array
 49,Group Anagrams,56.9%,Medium,0.008538951314232168, https://leetcode.com/problems/group-anagrams
 239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
 56,Merge Intervals,39.3%,Medium,0.007796972706004796, https://leetcode.com/problems/merge-intervals
 876,Middle of the Linked List,68.4%,Easy,0.007624893975696915, https://leetcode.com/problems/middle-of-the-linked-list
 240,Search a 2D Matrix II,43.2%,Medium,0.0075829747244553335, https://leetcode.com/problems/search-a-2d-matrix-ii
 16,3Sum Closest,46.0%,Medium,0.0075259057003469075, https://leetcode.com/problems/3sum-closest
 10,Regular Expression Matching,26.8%,Hard,0.0071865203293987245, https://leetcode.com/problems/regular-expression-matching
 1365,How Many Numbers Are Smaller Than the Current Number,85.6%,Easy,0.007109877088701047, https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number
 110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
 73,Set Matrix Zeroes,43.1%,Medium,0.0070151111959223245, https://leetcode.com/problems/set-matrix-zeroes
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.006896579059060353, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 118,Pascal's Triangle,52.5%,Easy,0.006749941254175012, https://leetcode.com/problems/pascals-triangle
 83,Remove Duplicates from Sorted List,45.4%,Easy,0.006353261522609498, https://leetcode.com/problems/remove-duplicates-from-sorted-list
 91,Decode Ways,24.7%,Medium,0.005968385368349129, https://leetcode.com/problems/decode-ways
 152,Maximum Product Subarray,31.7%,Medium,0.005590510716885066, https://leetcode.com/problems/maximum-product-subarray
 287,Find the Duplicate Number,55.5%,Medium,0.005501320434837602, https://leetcode.com/problems/find-the-duplicate-number
 112,Path Sum,41.2%,Easy,0.00546972510956646, https://leetcode.com/problems/path-sum
 278,First Bad Version,35.7%,Easy,0.005391575265790431, https://leetcode.com/problems/first-bad-version
 237,Delete Node in a Linked List,63.8%,Easy,0.005144705881237697, https://leetcode.com/problems/delete-node-in-a-linked-list
 155,Min Stack,44.5%,Easy,0.00474891074128171, https://leetcode.com/problems/min-stack
 169,Majority Element,58.7%,Easy,0.004706444738837472, https://leetcode.com/problems/majority-element
 35,Search Insert Position,42.6%,Easy,0.004646848510375352, https://leetcode.com/problems/search-insert-position
 1470,Shuffle the Array,88.9%,Easy,0.004527967890154029, https://leetcode.com/problems/shuffle-the-array
 125,Valid Palindrome,36.7%,Easy,0.0039805008274065926, https://leetcode.com/problems/valid-palindrome
 215,Kth Largest Element in an Array,55.4%,Medium,0.003902443976931749, https://leetcode.com/problems/kth-largest-element-in-an-array
 8,String to Integer (atoi),15.4%,Medium,0.0037925521897059712, https://leetcode.com/problems/string-to-integer-atoi
 141,Linked List Cycle,41.1%,Easy,0.0034937584669245472, https://leetcode.com/problems/linked-list-cycle
 101,Symmetric Tree,46.8%,Easy,0.0034057078469827435, https://leetcode.com/problems/symmetric-tree
 14,Longest Common Prefix,35.4%,Easy,0.003320331762984143, https://leetcode.com/problems/longest-common-prefix
 66,Plus One,43.0%,Easy,0.00326211347832938, https://leetcode.com/problems/plus-one
 33,Search in Rotated Sorted Array,34.5%,Medium,0.003229976968332634, https://leetcode.com/problems/search-in-rotated-sorted-array
 9,Palindrome Number,48.4%,Easy,0.0030379001110948244, https://leetcode.com/problems/palindrome-number
 98,Validate Binary Search Tree,27.8%,Medium,0.002943776044013381, https://leetcode.com/problems/validate-binary-search-tree
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.002787846801433134, https://leetcode.com/problems/maximum-depth-of-binary-tree
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0021239321954525975, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0019513153174351963, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 79,Word Search,35.6%,Medium,0.0016647248725526849, https://leetcode.com/problems/word-search
--- a/adobe_2year.csv
+++ b/adobe_2year.csv
@@ -0,0 +1,228 @@
 1,Two Sum,45.6%,Easy,0.900096464956218, https://leetcode.com/problems/two-sum
 2,Add Two Numbers,33.9%,Medium,0.7674901747071898, https://leetcode.com/problems/add-two-numbers
 741,Cherry Pickup,33.9%,Hard,0.6348838844581617, https://leetcode.com/problems/cherry-pickup
 21,Merge Two Sorted Lists,53.5%,Easy,0.5022775942091335, https://leetcode.com/problems/merge-two-sorted-lists
 5,Longest Palindromic Substring,29.5%,Medium,0.36967130396010545, https://leetcode.com/problems/longest-palindromic-substring
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.33543751206600453, https://leetcode.com/problems/longest-substring-without-repeating-characters
 4,Median of Two Sorted Arrays,29.6%,Hard,0.30208546395829133, https://leetcode.com/problems/median-of-two-sorted-arrays
 15,3Sum,26.8%,Medium,0.25552496081724957, https://leetcode.com/problems/3sum
 1096,Brace Expansion II,62.2%,Hard,0.2363887780642304, https://leetcode.com/problems/brace-expansion-ii
 7,Reverse Integer,25.8%,Easy,0.2202424163450189, https://leetcode.com/problems/reverse-integer
 192,Word Frequency,25.8%,Medium,0.21614863444241852, https://leetcode.com/problems/word-frequency
 274,H-Index,36.1%,Medium,0.19380371568797425, https://leetcode.com/problems/h-index
 206,Reverse Linked List,62.5%,Easy,0.1563653350583309, https://leetcode.com/problems/reverse-linked-list
 706,Design HashMap,61.3%,Easy,0.1476880076475794, https://leetcode.com/problems/design-hashmap
 22,Generate Parentheses,62.7%,Medium,0.14612656455721032, https://leetcode.com/problems/generate-parentheses
 175,Combine Two Tables,60.8%,Easy,0.1453647140234507, https://leetcode.com/problems/combine-two-tables
 728,Self Dividing Numbers,74.3%,Easy,0.14501328757782014, https://leetcode.com/problems/self-dividing-numbers
 726,Number of Atoms,49.0%,Hard,0.13804422079620546, https://leetcode.com/problems/number-of-atoms
 146,LRU Cache,33.2%,Medium,0.13057313078965735, https://leetcode.com/problems/lru-cache
 42,Trapping Rain Water,48.9%,Hard,0.12389276378675394, https://leetcode.com/problems/trapping-rain-water
 446,Arithmetic Slices II - Subsequence,32.7%,Hard,0.12099331128663167, https://leetcode.com/problems/arithmetic-slices-ii-subsequence
 6,ZigZag Conversion,36.3%,Medium,0.11677183708486526, https://leetcode.com/problems/zigzag-conversion
 368,Largest Divisible Subset,38.0%,Medium,0.11624101530456815, https://leetcode.com/problems/largest-divisible-subset
 238,Product of Array Except Self,60.1%,Medium,0.11255129774720934, https://leetcode.com/problems/product-of-array-except-self
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.1110882064011508, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 53,Maximum Subarray,46.5%,Easy,0.10102310445192379, https://leetcode.com/problems/maximum-subarray
 725,Split Linked List in Parts,52.2%,Medium,0.1007562928969156, https://leetcode.com/problems/split-linked-list-in-parts
 12,Integer to Roman,55.1%,Medium,0.09981819303484349, https://leetcode.com/problems/integer-to-roman
 836,Rectangle Overlap,48.6%,Easy,0.09358079943969791, https://leetcode.com/problems/rectangle-overlap
 31,Next Permutation,32.6%,Medium,0.09178119886142269, https://leetcode.com/problems/next-permutation
 929,Unique Email Addresses,67.4%,Easy,0.09107126584446965, https://leetcode.com/problems/unique-email-addresses
 11,Container With Most Water,50.8%,Medium,0.08887230664829432, https://leetcode.com/problems/container-with-most-water
 214,Shortest Palindrome,29.8%,Hard,0.0753494372417868, https://leetcode.com/problems/shortest-palindrome
 76,Minimum Window Substring,34.6%,Hard,0.07378420845373558, https://leetcode.com/problems/minimum-window-substring
 987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.070392125446596, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
 1114,Print in Order,65.7%,Easy,0.0700675626167169, https://leetcode.com/problems/print-in-order
 386,Lexicographical Numbers,51.6%,Medium,0.06875559541512997, https://leetcode.com/problems/lexicographical-numbers
 178,Rank Scores,45.8%,Medium,0.06551667145414991, https://leetcode.com/problems/rank-scores
 554,Brick Wall,50.0%,Medium,0.0639195177132874, https://leetcode.com/problems/brick-wall
 771,Jewels and Stones,86.4%,Easy,0.06372709715833007, https://leetcode.com/problems/jewels-and-stones
 92,Reverse Linked List II,38.8%,Medium,0.0634569616201148, https://leetcode.com/problems/reverse-linked-list-ii
 23,Merge k Sorted Lists,40.2%,Hard,0.06293239083543646, https://leetcode.com/problems/merge-k-sorted-lists
 300,Longest Increasing Subsequence,42.6%,Medium,0.06265630749555627, https://leetcode.com/problems/longest-increasing-subsequence
 115,Distinct Subsequences,38.3%,Hard,0.061494781607806234, https://leetcode.com/problems/distinct-subsequences
 195,Tenth Line,33.0%,Easy,0.06127490750055161, https://leetcode.com/problems/tenth-line
 739,Daily Temperatures,63.3%,Medium,0.06111383323222972, https://leetcode.com/problems/daily-temperatures
 420,Strong Password Checker,14.0%,Hard,0.061087691979838175, https://leetcode.com/problems/strong-password-checker
 595,Big Countries,77.3%,Easy,0.06097126229595878, https://leetcode.com/problems/big-countries
 18,4Sum,33.7%,Medium,0.05998439829836431, https://leetcode.com/problems/4sum
 88,Merge Sorted Array,39.4%,Easy,0.059258174101133876, https://leetcode.com/problems/merge-sorted-array
 74,Search a 2D Matrix,36.5%,Medium,0.057001980519332376, https://leetcode.com/problems/search-a-2d-matrix
 312,Burst Balloons,51.8%,Hard,0.056547726798068784, https://leetcode.com/problems/burst-balloons
 218,The Skyline Problem,34.6%,Hard,0.0564413109049518, https://leetcode.com/problems/the-skyline-problem
 177,Nth Highest Salary,31.4%,Medium,0.0562934401878294, https://leetcode.com/problems/nth-highest-salary
 41,First Missing Positive,32.0%,Hard,0.056273635982108605, https://leetcode.com/problems/first-missing-positive
 30,Substring with Concatenation of All Words,25.4%,Hard,0.05509349054082484, https://leetcode.com/problems/substring-with-concatenation-of-all-words
 202,Happy Number,50.4%,Easy,0.05503451923624455, https://leetcode.com/problems/happy-number
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.05371219359052555, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 601,Human Traffic of Stadium,41.7%,Hard,0.05223119222544569, https://leetcode.com/problems/human-traffic-of-stadium
 14,Longest Common Prefix,35.4%,Easy,0.051846064173015856, https://leetcode.com/problems/longest-common-prefix
 681,Next Closest Time,45.0%,Medium,0.05045206096038863, https://leetcode.com/problems/next-closest-time
 219,Contains Duplicate II,37.7%,Easy,0.05012010405957234, https://leetcode.com/problems/contains-duplicate-ii
 16,3Sum Closest,46.0%,Medium,0.04613364174896058, https://leetcode.com/problems/3sum-closest
 856,Score of Parentheses,60.5%,Medium,0.04567003683318837, https://leetcode.com/problems/score-of-parentheses
 8,String to Integer (atoi),15.4%,Medium,0.04549614908874012, https://leetcode.com/problems/string-to-integer-atoi
 176,Second Highest Salary,31.6%,Easy,0.045338680589061736, https://leetcode.com/problems/second-highest-salary
 200,Number of Islands,46.8%,Medium,0.04526299408355752, https://leetcode.com/problems/number-of-islands
 204,Count Primes,31.5%,Easy,0.04340205577484725, https://leetcode.com/problems/count-primes
 669,Trim a Binary Search Tree,63.0%,Easy,0.04255961441879593, https://leetcode.com/problems/trim-a-binary-search-tree
 448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.04214343508255059, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
 535,Encode and Decode TinyURL,79.9%,Medium,0.041978881338661234, https://leetcode.com/problems/encode-and-decode-tinyurl
 155,Min Stack,44.5%,Easy,0.04194952712763244, https://leetcode.com/problems/min-stack
 1010,Pairs of Songs With Total Durations Divisible by 60,47.4%,Easy,0.04180336980436055, https://leetcode.com/problems/pairs-of-songs-with-total-durations-divisible-by-60
 545,Boundary of Binary Tree,38.9%,Medium,0.04158603377810283, https://leetcode.com/problems/boundary-of-binary-tree
 37,Sudoku Solver,43.6%,Hard,0.040527833612118376, https://leetcode.com/problems/sudoku-solver
 25,Reverse Nodes in k-Group,42.1%,Hard,0.040236757867738004, https://leetcode.com/problems/reverse-nodes-in-k-group
 686,Repeated String Match,32.3%,Easy,0.03984590854719967, https://leetcode.com/problems/repeated-string-match
 344,Reverse String,68.5%,Easy,0.0393340697038369, https://leetcode.com/problems/reverse-string
 560,Subarray Sum Equals K,43.9%,Medium,0.037871360699521406, https://leetcode.com/problems/subarray-sum-equals-k
 389,Find the Difference,55.3%,Easy,0.03780374555587777, https://leetcode.com/problems/find-the-difference
 64,Minimum Path Sum,54.5%,Medium,0.03769479893530684, https://leetcode.com/problems/minimum-path-sum
 45,Jump Game II,30.6%,Hard,0.037651506203688394, https://leetcode.com/problems/jump-game-ii
 402,Remove K Digits,28.4%,Medium,0.03755134565213245, https://leetcode.com/problems/remove-k-digits
 95,Unique Binary Search Trees II,40.6%,Medium,0.037535682530377985, https://leetcode.com/problems/unique-binary-search-trees-ii
 46,Permutations,63.5%,Medium,0.03732163223353564, https://leetcode.com/problems/permutations
 375,Guess Number Higher or Lower II,40.3%,Medium,0.036634133179780384, https://leetcode.com/problems/guess-number-higher-or-lower-ii
 51,N-Queens,46.6%,Hard,0.03651521297509749, https://leetcode.com/problems/n-queens
 279,Perfect Squares,47.4%,Medium,0.03636764417087485, https://leetcode.com/problems/perfect-squares
 20,Valid Parentheses,39.0%,Easy,0.03618871742239114, https://leetcode.com/problems/valid-parentheses
 875,Koko Eating Bananas,52.1%,Medium,0.0359751024582779, https://leetcode.com/problems/koko-eating-bananas
 32,Longest Valid Parentheses,28.4%,Hard,0.03595893038744387, https://leetcode.com/problems/longest-valid-parentheses
 322,Coin Change,35.5%,Medium,0.03569682997206547, https://leetcode.com/problems/coin-change
 59,Spiral Matrix II,53.9%,Medium,0.0351873674509732, https://leetcode.com/problems/spiral-matrix-ii
 977,Squares of a Sorted Array,72.1%,Easy,0.0344861760711693, https://leetcode.com/problems/squares-of-a-sorted-array
 49,Group Anagrams,56.9%,Medium,0.03372685005765885, https://leetcode.com/problems/group-anagrams
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.033453179586686504, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 198,House Robber,42.0%,Easy,0.033320991026093004, https://leetcode.com/problems/house-robber
 78,Subsets,62.0%,Medium,0.03270937553603224, https://leetcode.com/problems/subsets
 543,Diameter of Binary Tree,48.4%,Easy,0.032708305572393875, https://leetcode.com/problems/diameter-of-binary-tree
 617,Merge Two Binary Trees,74.1%,Easy,0.03264929866766111, https://leetcode.com/problems/merge-two-binary-trees
 48,Rotate Image,56.7%,Medium,0.03142936253029228, https://leetcode.com/problems/rotate-image
 239,Sliding Window Maximum,43.0%,Hard,0.031228142547585713, https://leetcode.com/problems/sliding-window-maximum
 131,Palindrome Partitioning,47.5%,Medium,0.03101558050692165, https://leetcode.com/problems/palindrome-partitioning
 55,Jump Game,34.6%,Medium,0.030985252381807864, https://leetcode.com/problems/jump-game
 460,LFU Cache,34.2%,Hard,0.030962225603966897, https://leetcode.com/problems/lfu-cache
 44,Wildcard Matching,24.7%,Hard,0.030573033362282363, https://leetcode.com/problems/wildcard-matching
 13,Roman to Integer,55.7%,Easy,0.030443751414723153, https://leetcode.com/problems/roman-to-integer
 316,Remove Duplicate Letters,35.8%,Hard,0.030443751414723153, https://leetcode.com/problems/remove-duplicate-letters
 70,Climbing Stairs,47.8%,Easy,0.03011156054328408, https://leetcode.com/problems/climbing-stairs
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.029902560173869868, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 85,Maximal Rectangle,37.7%,Hard,0.029754261081792705, https://leetcode.com/problems/maximal-rectangle
 201,Bitwise AND of Numbers Range,39.4%,Medium,0.02969780239174205, https://leetcode.com/problems/bitwise-and-of-numbers-range
 1108,Defanging an IP Address,87.5%,Easy,0.02901382119071579, https://leetcode.com/problems/defanging-an-ip-address
 33,Search in Rotated Sorted Array,34.5%,Medium,0.0287009496170278, https://leetcode.com/problems/search-in-rotated-sorted-array
 35,Search Insert Position,42.6%,Easy,0.028694726692013624, https://leetcode.com/problems/search-insert-position
 10,Regular Expression Matching,26.8%,Hard,0.02844130559772196, https://leetcode.com/problems/regular-expression-matching
 709,To Lower Case,79.3%,Easy,0.02780531308033682, https://leetcode.com/problems/to-lower-case
 159,Longest Substring with At Most Two Distinct Characters,49.4%,Medium,0.02717558537896476, https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters
 343,Integer Break,50.4%,Medium,0.027157133968907482, https://leetcode.com/problems/integer-break
 98,Validate Binary Search Tree,27.8%,Medium,0.026187123416340663, https://leetcode.com/problems/validate-binary-search-tree
 54,Spiral Matrix,34.1%,Medium,0.02611966966892215, https://leetcode.com/problems/spiral-matrix
 81,Search in Rotated Sorted Array II,33.0%,Medium,0.026111144003685752, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
 378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.02599048981653746, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
 143,Reorder List,37.1%,Medium,0.025870945598649286, https://leetcode.com/problems/reorder-list
 107,Binary Tree Level Order Traversal II,53.5%,Easy,0.02545071360337261, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
 220,Contains Duplicate III,20.9%,Medium,0.024876904755404577, https://leetcode.com/problems/contains-duplicate-iii
 877,Stone Game,64.8%,Medium,0.02486144206532915, https://leetcode.com/problems/stone-game
 138,Copy List with Random Pointer,36.4%,Medium,0.02453734514188008, https://leetcode.com/problems/copy-list-with-random-pointer
 139,Word Break,40.1%,Medium,0.024095228922591846, https://leetcode.com/problems/word-break
 91,Decode Ways,24.7%,Medium,0.023662742620848144, https://leetcode.com/problems/decode-ways
 65,Valid Number,15.3%,Hard,0.022858138076050194, https://leetcode.com/problems/valid-number
 199,Binary Tree Right Side View,54.1%,Medium,0.022539339846061532, https://leetcode.com/problems/binary-tree-right-side-view
 72,Edit Distance,44.8%,Hard,0.022400140173127806, https://leetcode.com/problems/edit-distance
 185,Department Top Three Salaries,34.5%,Hard,0.02218615681552263, https://leetcode.com/problems/department-top-three-salaries
 152,Maximum Product Subarray,31.7%,Medium,0.022176931045949227, https://leetcode.com/problems/maximum-product-subarray
 221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
 112,Path Sum,41.2%,Easy,0.021701651897460775, https://leetcode.com/problems/path-sum
 56,Merge Intervals,39.3%,Medium,0.02150990613527447, https://leetcode.com/problems/merge-intervals
 224,Basic Calculator,36.8%,Hard,0.020965128465044926, https://leetcode.com/problems/basic-calculator
 96,Unique Binary Search Trees,52.9%,Medium,0.02067613283842731, https://leetcode.com/problems/unique-binary-search-trees
 93,Restore IP Addresses,35.6%,Medium,0.019763489118839635, https://leetcode.com/problems/restore-ip-addresses
 525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
 399,Evaluate Division,51.6%,Medium,0.019380451549662482, https://leetcode.com/problems/evaluate-division
 229,Majority Element II,35.6%,Medium,0.019057270410286146, https://leetcode.com/problems/majority-element-ii
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.018724947332324816, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 169,Majority Element,58.7%,Easy,0.018694317054881164, https://leetcode.com/problems/majority-element
 235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.018394142155974434, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
 197,Rising Temperature,38.4%,Easy,0.018198864417406563, https://leetcode.com/problems/rising-temperature
 234,Palindrome Linked List,39.3%,Easy,0.01801241989645556, https://leetcode.com/problems/palindrome-linked-list
 314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.018010392274465332, https://leetcode.com/problems/binary-tree-vertical-order-traversal
 136,Single Number,65.5%,Easy,0.017801666336826266, https://leetcode.com/problems/single-number
 993,Cousins in Binary Tree,52.0%,Easy,0.017414458368636587, https://leetcode.com/problems/cousins-in-binary-tree
 168,Excel Sheet Column Title,31.1%,Easy,0.01734648872385377, https://leetcode.com/problems/excel-sheet-column-title
 994,Rotting Oranges,49.2%,Medium,0.017087941897195622, https://leetcode.com/problems/rotting-oranges
 415,Add Strings,47.5%,Easy,0.016991158247219373, https://leetcode.com/problems/add-strings
 191,Number of 1 Bits,49.8%,Easy,0.01673523624045844, https://leetcode.com/problems/number-of-1-bits
 71,Simplify Path,32.6%,Medium,0.016260520871780308, https://leetcode.com/problems/simplify-path
 110,Balanced Binary Tree,43.5%,Easy,0.015742847432510365, https://leetcode.com/problems/balanced-binary-tree
 215,Kth Largest Element in an Array,55.4%,Medium,0.015519225147600912, https://leetcode.com/problems/kth-largest-element-in-an-array
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.015450951155718977, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 1002,Find Common Characters,67.6%,Easy,0.015273301861833809, https://leetcode.com/problems/find-common-characters
 561,Array Partition I,72.0%,Easy,0.015186320707985562, https://leetcode.com/problems/array-partition-i
 29,Divide Two Integers,16.4%,Medium,0.01517479801923515, https://leetcode.com/problems/divide-two-integers
 217,Contains Duplicate,56.0%,Easy,0.015106027431013205, https://leetcode.com/problems/contains-duplicate
 142,Linked List Cycle II,37.3%,Medium,0.014710955064667802, https://leetcode.com/problems/linked-list-cycle-ii
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.014352596574956585, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 404,Sum of Left Leaves,50.9%,Easy,0.013981353230340547, https://leetcode.com/problems/sum-of-left-leaves
 24,Swap Nodes in Pairs,50.4%,Medium,0.013945066390122038, https://leetcode.com/problems/swap-nodes-in-pairs
 703,Kth Largest Element in a Stream,49.7%,Easy,0.013898764390814973, https://leetcode.com/problems/kth-largest-element-in-a-stream
 1192,Critical Connections in a Network,48.6%,Hard,0.01352742981715631, https://leetcode.com/problems/critical-connections-in-a-network
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.013351333174864208, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 57,Insert Interval,33.5%,Hard,0.013119243592498872, https://leetcode.com/problems/insert-interval
 665,Non-decreasing Array,19.5%,Easy,0.013016779950191773, https://leetcode.com/problems/non-decreasing-array
 695,Max Area of Island,62.7%,Medium,0.012686500631003836, https://leetcode.com/problems/max-area-of-island
 181,Employees Earning More Than Their Managers,56.9%,Easy,0.012618463959211509, https://leetcode.com/problems/employees-earning-more-than-their-managers
 77,Combinations,54.7%,Medium,0.01255115315451512, https://leetcode.com/problems/combinations
 137,Single Number II,52.4%,Medium,0.012527567532662891, https://leetcode.com/problems/single-number-ii
 287,Find the Duplicate Number,55.5%,Medium,0.012335682739188652, https://leetcode.com/problems/find-the-duplicate-number
 19,Remove Nth Node From End of List,35.2%,Medium,0.012249425864399291, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 547,Friend Circles,58.6%,Medium,0.012228828639434596, https://leetcode.com/problems/friend-circles
 278,First Bad Version,35.7%,Easy,0.012090421323816148, https://leetcode.com/problems/first-bad-version
 205,Isomorphic Strings,39.8%,Easy,0.011544139746865315, https://leetcode.com/problems/isomorphic-strings
 1051,Height Checker,71.1%,Easy,0.011468015591641189, https://leetcode.com/problems/height-checker
 148,Sort List,42.3%,Medium,0.011204599012863078, https://leetcode.com/problems/sort-list
 268,Missing Number,51.7%,Easy,0.010947682628191997, https://leetcode.com/problems/missing-number
 257,Binary Tree Paths,51.5%,Easy,0.010457611643958139, https://leetcode.com/problems/binary-tree-paths
 647,Palindromic Substrings,60.6%,Medium,0.010400509768078022, https://leetcode.com/problems/palindromic-substrings
 62,Unique Paths,54.1%,Medium,0.010367562048856941, https://leetcode.com/problems/unique-paths
 61,Rotate List,30.0%,Medium,0.009925639799969955, https://leetcode.com/problems/rotate-list
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.009820849864094454, https://leetcode.com/problems/insert-delete-getrandom-o1
 113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
 47,Permutations II,46.4%,Medium,0.009673594178378379, https://leetcode.com/problems/permutations-ii
 40,Combination Sum II,48.2%,Medium,0.009578617297069781, https://leetcode.com/problems/combination-sum-ii
 387,First Unique Character in a String,53.4%,Easy,0.009392680199054166, https://leetcode.com/problems/first-unique-character-in-a-string
 128,Longest Consecutive Sequence,45.1%,Hard,0.009051883485315484, https://leetcode.com/problems/longest-consecutive-sequence
 295,Find Median from Data Stream,44.3%,Hard,0.00899893586856953, https://leetcode.com/problems/find-median-from-data-stream
 125,Valid Palindrome,36.7%,Easy,0.008933948641551634, https://leetcode.com/problems/valid-palindrome
 700,Search in a Binary Search Tree,73.1%,Easy,0.008512500860171227, https://leetcode.com/problems/search-in-a-binary-search-tree
 84,Largest Rectangle in Histogram,35.2%,Hard,0.00833685528906183, https://leetcode.com/problems/largest-rectangle-in-histogram
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.008169238497129479, https://leetcode.com/problems/binary-tree-level-order-traversal
 141,Linked List Cycle,41.1%,Easy,0.007843861028908454, https://leetcode.com/problems/linked-list-cycle
 38,Count and Say,44.6%,Easy,0.007829360800435779, https://leetcode.com/problems/count-and-say
 101,Symmetric Tree,46.8%,Easy,0.007646596306528098, https://leetcode.com/problems/symmetric-tree
 876,Middle of the Linked List,68.4%,Easy,0.007624893975696915, https://leetcode.com/problems/middle-of-the-linked-list
 240,Search a 2D Matrix II,43.2%,Medium,0.0075829747244553335, https://leetcode.com/problems/search-a-2d-matrix-ii
 692,Top K Frequent Words,51.8%,Medium,0.007516006820935329, https://leetcode.com/problems/top-k-frequent-words
 145,Binary Tree Postorder Traversal,55.0%,Hard,0.00751459482064135, https://leetcode.com/problems/binary-tree-postorder-traversal
 36,Valid Sudoku,48.7%,Medium,0.007258242715805398, https://leetcode.com/problems/valid-sudoku
 412,Fizz Buzz,62.3%,Easy,0.007165921026143679, https://leetcode.com/problems/fizz-buzz
 1365,How Many Numbers Are Smaller Than the Current Number,85.6%,Easy,0.007109877088701047, https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number
 73,Set Matrix Zeroes,43.1%,Medium,0.0070151111959223245, https://leetcode.com/problems/set-matrix-zeroes
 9,Palindrome Number,48.4%,Easy,0.006822343017166543, https://leetcode.com/problems/palindrome-number
 118,Pascal's Triangle,52.5%,Easy,0.006749941254175012, https://leetcode.com/problems/pascals-triangle
 67,Add Binary,45.2%,Easy,0.006631598888145552, https://leetcode.com/problems/add-binary
 83,Remove Duplicates from Sorted List,45.4%,Easy,0.006353261522609498, https://leetcode.com/problems/remove-duplicates-from-sorted-list
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.006261761223976207, https://leetcode.com/problems/maximum-depth-of-binary-tree
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.005628268691614718, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 50,Pow(x, n),30.3%,Medium,0.0055950070772402055, https://leetcode.com/problems/powx-n
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.005531752454833179, https://leetcode.com/problems/binary-tree-maximum-path-sum
 237,Delete Node in a Linked List,63.8%,Easy,0.005144705881237697, https://leetcode.com/problems/delete-node-in-a-linked-list
 1470,Shuffle the Array,88.9%,Easy,0.004527967890154029, https://leetcode.com/problems/shuffle-the-array
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.004385117141850828, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 28,Implement strStr(),34.5%,Easy,0.003943222775040032, https://leetcode.com/problems/implement-strstr
 66,Plus One,43.0%,Easy,0.00326211347832938, https://leetcode.com/problems/plus-one
 283,Move Zeroes,57.8%,Easy,0.0028853803470673955, https://leetcode.com/problems/move-zeroes
 154,Find Minimum in Rotated Sorted Array II,41.6%,Hard,0.0021273209107578427, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
 79,Word Search,35.6%,Medium,0.0016647248725526849, https://leetcode.com/problems/word-search
 203,Remove Linked List Elements,38.6%,Easy,0.0016237064659255223, https://leetcode.com/problems/remove-linked-list-elements
--- a/adobe_6months.csv
+++ b/adobe_6months.csv
@@ -0,0 +1,78 @@
 1,Two Sum,45.6%,Easy,0.1532849790864647, https://leetcode.com/problems/two-sum
 2,Add Two Numbers,33.9%,Medium,0.10270361758692534, https://leetcode.com/problems/add-two-numbers
 21,Merge Two Sorted Lists,53.5%,Easy,0.09110919511165776, https://leetcode.com/problems/merge-two-sorted-lists
 37,Sudoku Solver,43.6%,Hard,0.040527833612118376, https://leetcode.com/problems/sudoku-solver
 706,Design HashMap,61.3%,Easy,0.039016652342451774, https://leetcode.com/problems/design-hashmap
 15,3Sum,26.8%,Medium,0.0346167609048592, https://leetcode.com/problems/3sum
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.031039352871947277, https://leetcode.com/problems/longest-substring-without-repeating-characters
 368,Largest Divisible Subset,38.0%,Medium,0.030351343424138456, https://leetcode.com/problems/largest-divisible-subset
 219,Contains Duplicate II,37.7%,Easy,0.028500979167549973, https://leetcode.com/problems/contains-duplicate-ii
 115,Distinct Subsequences,38.3%,Hard,0.027798871362742988, https://leetcode.com/problems/distinct-subsequences
 343,Integer Break,50.4%,Medium,0.027157133968907482, https://leetcode.com/problems/integer-break
 22,Generate Parentheses,62.7%,Medium,0.026949997964496694, https://leetcode.com/problems/generate-parentheses
 202,Happy Number,50.4%,Easy,0.02483442856330386, https://leetcode.com/problems/happy-number
 206,Reverse Linked List,62.5%,Easy,0.02086427467076072, https://leetcode.com/problems/reverse-linked-list
 525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
 12,Integer to Roman,55.1%,Medium,0.019096697456456382, https://leetcode.com/problems/integer-to-roman
 993,Cousins in Binary Tree,52.0%,Easy,0.017414458368636587, https://leetcode.com/problems/cousins-in-binary-tree
 994,Rotting Oranges,49.2%,Medium,0.017087941897195622, https://leetcode.com/problems/rotting-oranges
 7,Reverse Integer,25.8%,Easy,0.016627790608488954, https://leetcode.com/problems/reverse-integer
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.014352596574956585, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 5,Longest Palindromic Substring,29.5%,Medium,0.01416133329402493, https://leetcode.com/problems/longest-palindromic-substring
 76,Minimum Window Substring,34.6%,Hard,0.013966707481708198, https://leetcode.com/problems/minimum-window-substring
 703,Kth Largest Element in a Stream,49.7%,Easy,0.013898764390814973, https://leetcode.com/problems/kth-largest-element-in-a-stream
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.01297035044262745, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 137,Single Number II,52.4%,Medium,0.012527567532662891, https://leetcode.com/problems/single-number-ii
 11,Container With Most Water,50.8%,Medium,0.012214824746492168, https://leetcode.com/problems/container-with-most-water
 300,Longest Increasing Subsequence,42.6%,Medium,0.011806512586989004, https://leetcode.com/problems/longest-increasing-subsequence
 987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.011601058182762062, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
 200,Number of Islands,46.8%,Medium,0.011509262420590827, https://leetcode.com/problems/number-of-islands
 55,Jump Game,34.6%,Medium,0.011265609194218986, https://leetcode.com/problems/jump-game
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.010575891759058162, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 25,Reverse Nodes in k-Group,42.1%,Hard,0.01021198560502829, https://leetcode.com/problems/reverse-nodes-in-k-group
 739,Daily Temperatures,63.3%,Medium,0.010032690121814417, https://leetcode.com/problems/daily-temperatures
 61,Rotate List,30.0%,Medium,0.009925639799969955, https://leetcode.com/problems/rotate-list
 18,4Sum,33.7%,Medium,0.00984259914419414, https://leetcode.com/problems/4sum
 113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
 560,Subarray Sum Equals K,43.9%,Medium,0.009603146783199741, https://leetcode.com/problems/subarray-sum-equals-k
 45,Jump Game II,30.6%,Hard,0.009546611883579968, https://leetcode.com/problems/jump-game-ii
 96,Unique Binary Search Trees,52.9%,Medium,0.009242209964820877, https://leetcode.com/problems/unique-binary-search-trees
 279,Perfect Squares,47.4%,Medium,0.009216655104924008, https://leetcode.com/problems/perfect-squares
 239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
 6,ZigZag Conversion,36.3%,Medium,0.0077116248757144665, https://leetcode.com/problems/zigzag-conversion
 175,Combine Two Tables,60.8%,Easy,0.007696786120491369, https://leetcode.com/problems/combine-two-tables
 176,Second Highest Salary,31.6%,Easy,0.007393749024938284, https://leetcode.com/problems/second-highest-salary
 10,Regular Expression Matching,26.8%,Hard,0.0071865203293987245, https://leetcode.com/problems/regular-expression-matching
 1365,How Many Numbers Are Smaller Than the Current Number,85.6%,Easy,0.007109877088701047, https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number
 204,Count Primes,31.5%,Easy,0.007072165261362441, https://leetcode.com/problems/count-primes
 110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.006896579059060353, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 88,Merge Sorted Array,39.4%,Easy,0.006760335218638243, https://leetcode.com/problems/merge-sorted-array
 83,Remove Duplicates from Sorted List,45.4%,Easy,0.006353261522609498, https://leetcode.com/problems/remove-duplicates-from-sorted-list
 24,Swap Nodes in Pairs,50.4%,Medium,0.0062218275061505365, https://leetcode.com/problems/swap-nodes-in-pairs
 31,Next Permutation,32.6%,Medium,0.005989835219179644, https://leetcode.com/problems/next-permutation
 152,Maximum Product Subarray,31.7%,Medium,0.005590510716885066, https://leetcode.com/problems/maximum-product-subarray
 112,Path Sum,41.2%,Easy,0.00546972510956646, https://leetcode.com/problems/path-sum
 543,Diameter of Binary Tree,48.4%,Easy,0.005305755914149804, https://leetcode.com/problems/diameter-of-binary-tree
 237,Delete Node in a Linked List,63.8%,Easy,0.005144705881237697, https://leetcode.com/problems/delete-node-in-a-linked-list
 53,Maximum Subarray,46.5%,Easy,0.004869349014182134, https://leetcode.com/problems/maximum-subarray
 169,Majority Element,58.7%,Easy,0.004706444738837472, https://leetcode.com/problems/majority-element
 35,Search Insert Position,42.6%,Easy,0.004646848510375352, https://leetcode.com/problems/search-insert-position
 146,LRU Cache,33.2%,Medium,0.004600353139061353, https://leetcode.com/problems/lru-cache
 234,Palindrome Linked List,39.3%,Easy,0.004533613114828982, https://leetcode.com/problems/palindrome-linked-list
 1470,Shuffle the Array,88.9%,Easy,0.004527967890154029, https://leetcode.com/problems/shuffle-the-array
 42,Trapping Rain Water,48.9%,Hard,0.004350670338744988, https://leetcode.com/problems/trapping-rain-water
 387,First Unique Character in a String,53.4%,Easy,0.00418541994270691, https://leetcode.com/problems/first-unique-character-in-a-string
 23,Merge k Sorted Lists,40.2%,Hard,0.004051459000748015, https://leetcode.com/problems/merge-k-sorted-lists
 4,Median of Two Sorted Arrays,29.6%,Hard,0.003900160950094767, https://leetcode.com/problems/median-of-two-sorted-arrays
 977,Squares of a Sorted Array,72.1%,Easy,0.003891055492966611, https://leetcode.com/problems/squares-of-a-sorted-array
 49,Group Anagrams,56.9%,Medium,0.0038040939835560453, https://leetcode.com/problems/group-anagrams
 217,Contains Duplicate,56.0%,Easy,0.0037979536727587773, https://leetcode.com/problems/contains-duplicate
 198,House Robber,42.0%,Easy,0.0037576371128333645, https://leetcode.com/problems/house-robber
 141,Linked List Cycle,41.1%,Easy,0.0034937584669245472, https://leetcode.com/problems/linked-list-cycle
 56,Merge Intervals,39.3%,Medium,0.0034728286335985107, https://leetcode.com/problems/merge-intervals
 13,Roman to Integer,55.7%,Easy,0.003428770717317083, https://leetcode.com/problems/roman-to-integer
 344,Reverse String,68.5%,Easy,0.003269579502519813, https://leetcode.com/problems/reverse-string
 66,Plus One,43.0%,Easy,0.00326211347832938, https://leetcode.com/problems/plus-one
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.002787846801433134, https://leetcode.com/problems/maximum-depth-of-binary-tree
 20,Valid Parentheses,39.0%,Easy,0.0023005704055949323, https://leetcode.com/problems/valid-parentheses
--- a/adobe_alltime.csv
+++ b/adobe_alltime.csv
@@ -0,0 +1,235 @@
 1,Two Sum,45.6%,Easy,2.4883960324530268, https://leetcode.com/problems/two-sum
 2,Add Two Numbers,33.9%,Medium,2.269636101391722, https://leetcode.com/problems/add-two-numbers
 4,Median of Two Sorted Arrays,29.6%,Hard,2.050876170330417, https://leetcode.com/problems/median-of-two-sorted-arrays
 741,Cherry Pickup,33.9%,Hard,1.8321162392691122, https://leetcode.com/problems/cherry-pickup
 3,Longest Substring Without Repeating Characters,30.4%,Medium,1.8014105894541743, https://leetcode.com/problems/longest-substring-without-repeating-characters
 7,Reverse Integer,25.8%,Easy,1.73297236373911, https://leetcode.com/problems/reverse-integer
 175,Combine Two Tables,60.8%,Easy,1.6956988952705778, https://leetcode.com/problems/combine-two-tables
 21,Merge Two Sorted Lists,53.5%,Easy,1.5676206155174264, https://leetcode.com/problems/merge-two-sorted-lists
 5,Longest Palindromic Substring,29.5%,Medium,1.5174071915824883, https://leetcode.com/problems/longest-palindromic-substring
 15,3Sum,26.8%,Medium,1.4894785973551214, https://leetcode.com/problems/3sum
 13,Roman to Integer,55.7%,Easy,1.4339144225059055, https://leetcode.com/problems/roman-to-integer
 6,ZigZag Conversion,36.3%,Medium,1.2151544914446004, https://leetcode.com/problems/zigzag-conversion
 195,Tenth Line,33.0%,Easy,1.1862816902916034, https://leetcode.com/problems/tenth-line
 53,Maximum Subarray,46.5%,Easy,1.1698468033916782, https://leetcode.com/problems/maximum-subarray
 192,Word Frequency,25.8%,Medium,1.1542304443345712, https://leetcode.com/problems/word-frequency
 11,Container With Most Water,50.8%,Medium,1.1498172467169137, https://leetcode.com/problems/container-with-most-water
 146,LRU Cache,33.2%,Medium,1.1414840541705635, https://leetcode.com/problems/lru-cache
 14,Longest Common Prefix,35.4%,Easy,1.0701063949652634, https://leetcode.com/problems/longest-common-prefix
 9,Palindrome Number,48.4%,Easy,1.0389585830023096, https://leetcode.com/problems/palindrome-number
 292,Nim Game,54.9%,Easy,1.0340435601569165, https://leetcode.com/problems/nim-game
 206,Reverse Linked List,62.5%,Easy,0.9491844552172142, https://leetcode.com/problems/reverse-linked-list
 22,Generate Parentheses,62.7%,Medium,0.9146285119909732, https://leetcode.com/problems/generate-parentheses
 312,Burst Balloons,51.8%,Hard,0.8978937096587362, https://leetcode.com/problems/burst-balloons
 771,Jewels and Stones,86.4%,Easy,0.8045122974235372, https://leetcode.com/problems/jewels-and-stones
 18,4Sum,33.7%,Medium,0.7870176048739561, https://leetcode.com/problems/4sum
 344,Reverse String,68.5%,Easy,0.7803563983565922, https://leetcode.com/problems/reverse-string
 20,Valid Parentheses,39.0%,Easy,0.7728842221115333, https://leetcode.com/problems/valid-parentheses
 23,Merge k Sorted Lists,40.2%,Hard,0.744432863023671, https://leetcode.com/problems/merge-k-sorted-lists
 42,Trapping Rain Water,48.9%,Hard,0.7166320474707057, https://leetcode.com/problems/trapping-rain-water
 274,H-Index,36.1%,Medium,0.7105315488308892, https://leetcode.com/problems/h-index
 595,Big Countries,77.3%,Easy,0.6960898016141428, https://leetcode.com/problems/big-countries
 76,Minimum Window Substring,34.6%,Hard,0.641927908156958, https://leetcode.com/problems/minimum-window-substring
 10,Regular Expression Matching,26.8%,Hard,0.6273817982285409, https://leetcode.com/problems/regular-expression-matching
 386,Lexicographical Numbers,51.6%,Medium,0.626946543403964, https://leetcode.com/problems/lexicographical-numbers
 214,Shortest Palindrome,29.8%,Hard,0.6257058997644127, https://leetcode.com/problems/shortest-palindrome
 561,Array Partition I,72.0%,Easy,0.6209795294618357, https://leetcode.com/problems/array-partition-i
 12,Integer to Roman,55.1%,Medium,0.618907369249803, https://leetcode.com/problems/integer-to-roman
 88,Merge Sorted Array,39.4%,Easy,0.5992604670982806, https://leetcode.com/problems/merge-sorted-array
 177,Nth Highest Salary,31.4%,Medium,0.5957174923400869, https://leetcode.com/problems/nth-highest-salary
 8,String to Integer (atoi),15.4%,Medium,0.5871742950115802, https://leetcode.com/problems/string-to-integer-atoi
 46,Permutations,63.5%,Medium,0.5710040142718329, https://leetcode.com/problems/permutations
 201,Bitwise AND of Numbers Range,39.4%,Medium,0.5616591289700842, https://leetcode.com/problems/bitwise-and-of-numbers-range
 176,Second Highest Salary,31.6%,Easy,0.5550999082992657, https://leetcode.com/problems/second-highest-salary
 54,Spiral Matrix,34.1%,Medium,0.5477790799646545, https://leetcode.com/problems/spiral-matrix
 238,Product of Array Except Self,60.1%,Medium,0.5410045911404007, https://leetcode.com/problems/product-of-array-except-self
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.5355270510063105, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 85,Maximal Rectangle,37.7%,Hard,0.505442030682518, https://leetcode.com/problems/maximal-rectangle
 41,First Missing Positive,32.0%,Hard,0.4966396105083198, https://leetcode.com/problems/first-missing-positive
 38,Count and Say,44.6%,Easy,0.4926620533465078, https://leetcode.com/problems/count-and-say
 322,Coin Change,35.5%,Medium,0.48915086353512044, https://leetcode.com/problems/coin-change
 237,Delete Node in a Linked List,63.8%,Easy,0.4849621131760714, https://leetcode.com/problems/delete-node-in-a-linked-list
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.47900593564253346, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 32,Longest Valid Parentheses,28.4%,Hard,0.4610968040943131, https://leetcode.com/problems/longest-valid-parentheses
 420,Strong Password Checker,14.0%,Hard,0.4491177382659011, https://leetcode.com/problems/strong-password-checker
 136,Single Number,65.5%,Easy,0.44677265180412157, https://leetcode.com/problems/single-number
 148,Sort List,42.3%,Medium,0.4396170196774987, https://leetcode.com/problems/sort-list
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.4392651170596573, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 16,3Sum Closest,46.0%,Medium,0.43554023176972845, https://leetcode.com/problems/3sum-closest
 45,Jump Game II,30.6%,Hard,0.4315020818911597, https://leetcode.com/problems/jump-game-ii
 535,Encode and Decode TinyURL,79.9%,Medium,0.4221173972425086, https://leetcode.com/problems/encode-and-decode-tinyurl
 96,Unique Binary Search Trees,52.9%,Medium,0.42021191912831435, https://leetcode.com/problems/unique-binary-search-trees
 92,Reverse Linked List II,38.8%,Medium,0.414508648004485, https://leetcode.com/problems/reverse-linked-list-ii
 30,Substring with Concatenation of All Words,25.4%,Hard,0.41194709630297865, https://leetcode.com/problems/substring-with-concatenation-of-all-words
 33,Search in Rotated Sorted Array,34.5%,Medium,0.40912496149364885, https://leetcode.com/problems/search-in-rotated-sorted-array
 64,Minimum Path Sum,54.5%,Medium,0.4040299464061684, https://leetcode.com/problems/minimum-path-sum
 279,Perfect Squares,47.4%,Medium,0.3741145782240884, https://leetcode.com/problems/perfect-squares
 24,Swap Nodes in Pairs,50.4%,Medium,0.3722036149739704, https://leetcode.com/problems/swap-nodes-in-pairs
 343,Integer Break,50.4%,Medium,0.3649680588757168, https://leetcode.com/problems/integer-break
 31,Next Permutation,32.6%,Medium,0.3605125693237505, https://leetcode.com/problems/next-permutation
 131,Palindrome Partitioning,47.5%,Medium,0.35313350367645147, https://leetcode.com/problems/palindrome-partitioning
 141,Linked List Cycle,41.1%,Easy,0.3531074716115724, https://leetcode.com/problems/linked-list-cycle
 200,Number of Islands,46.8%,Medium,0.348349251262677, https://leetcode.com/problems/number-of-islands
 71,Simplify Path,32.6%,Medium,0.3434734320801965, https://leetcode.com/problems/simplify-path
 138,Copy List with Random Pointer,36.4%,Medium,0.33465187471019453, https://leetcode.com/problems/copy-list-with-random-pointer
 74,Search a 2D Matrix,36.5%,Medium,0.3339887638543654, https://leetcode.com/problems/search-a-2d-matrix
 155,Min Stack,44.5%,Easy,0.32611635610879774, https://leetcode.com/problems/min-stack
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.32413298661344175, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 169,Majority Element,58.7%,Easy,0.32361893795459934, https://leetcode.com/problems/majority-element
 37,Sudoku Solver,43.6%,Hard,0.31644637012330246, https://leetcode.com/problems/sudoku-solver
 48,Rotate Image,56.7%,Medium,0.31414864563994416, https://leetcode.com/problems/rotate-image
 152,Maximum Product Subarray,31.7%,Medium,0.3065980377658154, https://leetcode.com/problems/maximum-product-subarray
 706,Design HashMap,61.3%,Easy,0.30607943759149703, https://leetcode.com/problems/design-hashmap
 378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.303069224638031, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
 115,Distinct Subsequences,38.3%,Hard,0.29662714656570494, https://leetcode.com/problems/distinct-subsequences
 44,Wildcard Matching,24.7%,Hard,0.29635426006094184, https://leetcode.com/problems/wildcard-matching
 198,House Robber,42.0%,Easy,0.29249400591952035, https://leetcode.com/problems/house-robber
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.29062882263712253, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 78,Subsets,62.0%,Medium,0.28775134131891633, https://leetcode.com/problems/subsets
 234,Palindrome Linked List,39.3%,Easy,0.2838977996794123, https://leetcode.com/problems/palindrome-linked-list
 139,Word Break,40.1%,Medium,0.2746475346554156, https://leetcode.com/problems/word-break
 25,Reverse Nodes in k-Group,42.1%,Hard,0.2704051213089347, https://leetcode.com/problems/reverse-nodes-in-k-group
 929,Unique Email Addresses,67.4%,Easy,0.26920579628420777, https://leetcode.com/problems/unique-email-addresses
 204,Count Primes,31.5%,Easy,0.2622550703201888, https://leetcode.com/problems/count-primes
 543,Diameter of Binary Tree,48.4%,Easy,0.26178095627491565, https://leetcode.com/problems/diameter-of-binary-tree
 197,Rising Temperature,38.4%,Easy,0.2576203889657197, https://leetcode.com/problems/rising-temperature
 448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.2554000407912253, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
 446,Arithmetic Slices II - Subsequence,32.7%,Hard,0.25416851512733507, https://leetcode.com/problems/arithmetic-slices-ii-subsequence
 101,Symmetric Tree,46.8%,Easy,0.24399082697231922, https://leetcode.com/problems/symmetric-tree
 70,Climbing Stairs,47.8%,Easy,0.24304459408434126, https://leetcode.com/problems/climbing-stairs
 389,Find the Difference,55.3%,Easy,0.2421400520048648, https://leetcode.com/problems/find-the-difference
 1096,Brace Expansion II,62.2%,Hard,0.2363887780642304, https://leetcode.com/problems/brace-expansion-ii
 51,N-Queens,46.6%,Hard,0.2346473757956944, https://leetcode.com/problems/n-queens
 137,Single Number II,52.4%,Medium,0.22735779159844866, https://leetcode.com/problems/single-number-ii
 56,Merge Intervals,39.3%,Medium,0.22422141863227835, https://leetcode.com/problems/merge-intervals
 19,Remove Nth Node From End of List,35.2%,Medium,0.22280456303687612, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 49,Group Anagrams,56.9%,Medium,0.21827224887849583, https://leetcode.com/problems/group-anagrams
 795,Number of Subarrays with Bounded Maximum,46.3%,Medium,0.2171959803892134, https://leetcode.com/problems/number-of-subarrays-with-bounded-maximum
 268,Missing Number,51.7%,Easy,0.2148904095574893, https://leetcode.com/problems/missing-number
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.2138725437818616, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 81,Search in Rotated Sorted Array II,33.0%,Medium,0.21357410029805904, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
 142,Linked List Cycle II,37.3%,Medium,0.21278213647158528, https://leetcode.com/problems/linked-list-cycle-ii
 143,Reorder List,37.1%,Medium,0.21178045827645292, https://leetcode.com/problems/reorder-list
 229,Majority Element II,35.6%,Medium,0.21162970925187066, https://leetcode.com/problems/majority-element-ii
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.21055599204217199, https://leetcode.com/problems/binary-tree-maximum-path-sum
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.2082667520997665, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 240,Search a 2D Matrix II,43.2%,Medium,0.20722300789490636, https://leetcode.com/problems/search-a-2d-matrix-ii
 128,Longest Consecutive Sequence,45.1%,Hard,0.20483650886956722, https://leetcode.com/problems/longest-consecutive-sequence
 220,Contains Duplicate III,20.9%,Medium,0.20432784239539936, https://leetcode.com/problems/contains-duplicate-iii
 202,Happy Number,50.4%,Easy,0.2040083108839691, https://leetcode.com/problems/happy-number
 728,Self Dividing Numbers,74.3%,Easy,0.20271151249700387, https://leetcode.com/problems/self-dividing-numbers
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.19944370144318244, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 836,Rectangle Overlap,48.6%,Easy,0.19944370144318244, https://leetcode.com/problems/rectangle-overlap
 65,Valid Number,15.3%,Hard,0.18904265746703205, https://leetcode.com/problems/valid-number
 178,Rank Scores,45.8%,Medium,0.18843907402659216, https://leetcode.com/problems/rank-scores
 219,Contains Duplicate II,37.7%,Easy,0.18696862869341266, https://leetcode.com/problems/contains-duplicate-ii
 29,Divide Two Integers,16.4%,Medium,0.18695459519599733, https://leetcode.com/problems/divide-two-integers
 199,Binary Tree Right Side View,54.1%,Medium,0.18661020557359304, https://leetcode.com/problems/binary-tree-right-side-view
 739,Daily Temperatures,63.3%,Medium,0.1858025928756317, https://leetcode.com/problems/daily-temperatures
 72,Edit Distance,44.8%,Hard,0.18554648786569794, https://leetcode.com/problems/edit-distance
 181,Employees Earning More Than Their Managers,56.9%,Easy,0.18496356625679328, https://leetcode.com/problems/employees-earning-more-than-their-managers
 61,Rotate List,30.0%,Medium,0.18398268674403112, https://leetcode.com/problems/rotate-list
 50,Pow(x, n),30.3%,Medium,0.18397417464169494, https://leetcode.com/problems/powx-n
 221,Maximal Square,37.7%,Medium,0.1833146055349465, https://leetcode.com/problems/maximal-square
 239,Sliding Window Maximum,43.0%,Hard,0.18086662630782, https://leetcode.com/problems/sliding-window-maximum
 112,Path Sum,41.2%,Easy,0.18019396942949986, https://leetcode.com/problems/path-sum
 368,Largest Divisible Subset,38.0%,Medium,0.17613915688563714, https://leetcode.com/problems/largest-divisible-subset
 415,Add Strings,47.5%,Easy,0.17429245611868044, https://leetcode.com/problems/add-strings
 300,Longest Increasing Subsequence,42.6%,Medium,0.17397326740248337, https://leetcode.com/problems/longest-increasing-subsequence
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.17312279156285693, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 725,Split Linked List in Parts,52.2%,Medium,0.17265583404226165, https://leetcode.com/problems/split-linked-list-in-parts
 856,Score of Parentheses,60.5%,Medium,0.17135825199668508, https://leetcode.com/problems/score-of-parentheses
 560,Subarray Sum Equals K,43.9%,Medium,0.1665261146132014, https://leetcode.com/problems/subarray-sum-equals-k
 91,Decode Ways,24.7%,Medium,0.1664322442258041, https://leetcode.com/problems/decode-ways
 412,Fizz Buzz,62.3%,Easy,0.16533767872713678, https://leetcode.com/problems/fizz-buzz
 1010,Pairs of Songs With Total Durations Divisible by 60,47.4%,Easy,0.15765117803680806, https://leetcode.com/problems/pairs-of-songs-with-total-durations-divisible-by-60
 28,Implement strStr(),34.5%,Easy,0.15437642620216585, https://leetcode.com/problems/implement-strstr
 62,Unique Paths,54.1%,Medium,0.15421684583780285, https://leetcode.com/problems/unique-paths
 218,The Skyline Problem,34.6%,Hard,0.14953173397096375, https://leetcode.com/problems/the-skyline-problem
 217,Contains Duplicate,56.0%,Easy,0.149082410987406, https://leetcode.com/problems/contains-duplicate
 83,Remove Duplicates from Sorted List,45.4%,Easy,0.14784842578508967, https://leetcode.com/problems/remove-duplicates-from-sorted-list
 168,Excel Sheet Column Title,31.1%,Easy,0.14624550032014502, https://leetcode.com/problems/excel-sheet-column-title
 95,Unique Binary Search Trees II,40.6%,Medium,0.14236392393156927, https://leetcode.com/problems/unique-binary-search-trees-ii
 55,Jump Game,34.6%,Medium,0.14177401548857888, https://leetcode.com/problems/jump-game
 375,Guess Number Higher or Lower II,40.3%,Medium,0.1391128024627178, https://leetcode.com/problems/guess-number-higher-or-lower-ii
 554,Brick Wall,50.0%,Medium,0.1384696742651052, https://leetcode.com/problems/brick-wall
 726,Number of Atoms,49.0%,Hard,0.13804422079620546, https://leetcode.com/problems/number-of-atoms
 125,Valid Palindrome,36.7%,Easy,0.13416684727631417, https://leetcode.com/problems/valid-palindrome
 987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.13360431878681564, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
 110,Balanced Binary Tree,43.5%,Easy,0.13348731548952925, https://leetcode.com/problems/balanced-binary-tree
 35,Search Insert Position,42.6%,Easy,0.13181240319984847, https://leetcode.com/problems/search-insert-position
 1190,Reverse Substrings Between Each Pair of Parentheses,61.5%,Medium,0.1304306149462744, https://leetcode.com/problems/reverse-substrings-between-each-pair-of-parentheses
 287,Find the Duplicate Number,55.5%,Medium,0.1291950147327505, https://leetcode.com/problems/find-the-duplicate-number
 278,First Bad Version,35.7%,Easy,0.1267677952000762, https://leetcode.com/problems/first-bad-version
 84,Largest Rectangle in Histogram,35.2%,Hard,0.12570469475928556, https://leetcode.com/problems/largest-rectangle-in-histogram
 224,Basic Calculator,36.8%,Hard,0.12435274487954455, https://leetcode.com/problems/basic-calculator
 235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.12399764165657076, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
 107,Binary Tree Level Order Traversal II,53.5%,Easy,0.122658088838636, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
 1114,Print in Order,65.7%,Easy,0.12136085700426744, https://leetcode.com/problems/print-in-order
 93,Restore IP Addresses,35.6%,Medium,0.11756123239496619, https://leetcode.com/problems/restore-ip-addresses
 316,Remove Duplicate Letters,35.8%,Hard,0.1165801830326188, https://leetcode.com/problems/remove-duplicate-letters
 191,Number of 1 Bits,49.8%,Easy,0.11333538213170377, https://leetcode.com/problems/number-of-1-bits
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.11149742514307986, https://leetcode.com/problems/maximum-depth-of-binary-tree
 40,Combination Sum II,48.2%,Medium,0.11145356111123644, https://leetcode.com/problems/combination-sum-ii
 1108,Defanging an IP Address,87.5%,Easy,0.1113224686534394, https://leetcode.com/problems/defanging-an-ip-address
 295,Find Median from Data Stream,44.3%,Hard,0.10502147513923703, https://leetcode.com/problems/find-median-from-data-stream
 98,Validate Binary Search Tree,27.8%,Medium,0.1008693132143216, https://leetcode.com/problems/validate-binary-search-tree
 283,Move Zeroes,57.8%,Easy,0.09896140984010138, https://leetcode.com/problems/move-zeroes
 617,Merge Two Binary Trees,74.1%,Easy,0.09679876601677688, https://leetcode.com/problems/merge-two-binary-trees
 59,Spiral Matrix II,53.9%,Medium,0.09483978737982436, https://leetcode.com/problems/spiral-matrix-ii
 66,Plus One,43.0%,Easy,0.09425513144914506, https://leetcode.com/problems/plus-one
 215,Kth Largest Element in an Array,55.4%,Medium,0.09326418878681669, https://leetcode.com/problems/kth-largest-element-in-an-array
 257,Binary Tree Paths,51.5%,Easy,0.09040028430515686, https://leetcode.com/problems/binary-tree-paths
 185,Department Top Three Salaries,34.5%,Hard,0.08593583151429968, https://leetcode.com/problems/department-top-three-salaries
 73,Set Matrix Zeroes,43.1%,Medium,0.08271965106891821, https://leetcode.com/problems/set-matrix-zeroes
 387,First Unique Character in a String,53.4%,Easy,0.08151765202603821, https://leetcode.com/problems/first-unique-character-in-a-string
 118,Pascal's Triangle,52.5%,Easy,0.07970401164997687, https://leetcode.com/problems/pascals-triangle
 875,Koko Eating Bananas,52.1%,Medium,0.07919704166119315, https://leetcode.com/problems/koko-eating-bananas
 79,Word Search,35.6%,Medium,0.07847790263416941, https://leetcode.com/problems/word-search
 67,Add Binary,45.2%,Easy,0.07835548390827937, https://leetcode.com/problems/add-binary
 525,Contiguous Array,42.8%,Medium,0.07677630069592066, https://leetcode.com/problems/contiguous-array
 399,Evaluate Division,51.6%,Medium,0.07536521894921006, https://leetcode.com/problems/evaluate-division
 669,Trim a Binary Search Tree,63.0%,Easy,0.07445297819474968, https://leetcode.com/problems/trim-a-binary-search-tree
 460,LFU Cache,34.2%,Hard,0.06836374280939023, https://leetcode.com/problems/lfu-cache
 258,Add Digits,57.6%,Easy,0.06075860721222717, https://leetcode.com/problems/add-digits
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.06042105947476499, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 113,Path Sum II,46.7%,Medium,0.05964085390630209, https://leetcode.com/problems/path-sum-ii
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.056692473087026664, https://leetcode.com/problems/binary-tree-level-order-traversal
 601,Human Traffic of Stadium,41.7%,Hard,0.05223119222544569, https://leetcode.com/problems/human-traffic-of-stadium
 665,Non-decreasing Array,19.5%,Easy,0.05108036638098062, https://leetcode.com/problems/non-decreasing-array
 681,Next Closest Time,45.0%,Medium,0.05045206096038863, https://leetcode.com/problems/next-closest-time
 77,Combinations,54.7%,Medium,0.04928622947983693, https://leetcode.com/problems/combinations
 547,Friend Circles,58.6%,Medium,0.04804286211474039, https://leetcode.com/problems/friend-circles
 876,Middle of the Linked List,68.4%,Easy,0.046728740327781716, https://leetcode.com/problems/middle-of-the-linked-list
 977,Squares of a Sorted Array,72.1%,Easy,0.046652914831048324, https://leetcode.com/problems/squares-of-a-sorted-array
 205,Isomorphic Strings,39.8%,Easy,0.045397866271290506, https://leetcode.com/problems/isomorphic-strings
 1051,Height Checker,71.1%,Easy,0.04510347333459475, https://leetcode.com/problems/height-checker
 36,Valid Sudoku,48.7%,Medium,0.04452302288876419, https://leetcode.com/problems/valid-sudoku
 545,Boundary of Binary Tree,38.9%,Medium,0.04158603377810283, https://leetcode.com/problems/boundary-of-binary-tree
 647,Palindromic Substrings,60.6%,Medium,0.040968350772541844, https://leetcode.com/problems/palindromic-substrings
 314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.04007660092703385, https://leetcode.com/problems/binary-tree-vertical-order-traversal
 686,Repeated String Match,32.3%,Easy,0.03984590854719967, https://leetcode.com/problems/repeated-string-match
 203,Remove Linked List Elements,38.6%,Easy,0.0398221041810017, https://leetcode.com/problems/remove-linked-list-elements
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.038717635350707984, https://leetcode.com/problems/insert-delete-getrandom-o1
 47,Permutations II,46.4%,Medium,0.038145268259690404, https://leetcode.com/problems/permutations-ii
 402,Remove K Digits,28.4%,Medium,0.03755134565213245, https://leetcode.com/problems/remove-k-digits
 1002,Find Common Characters,67.6%,Easy,0.03404262162737441, https://leetcode.com/problems/find-common-characters
 404,Sum of Left Leaves,50.9%,Easy,0.031187558856704493, https://leetcode.com/problems/sum-of-left-leaves
 703,Kth Largest Element in a Stream,49.7%,Easy,0.031004894819414507, https://leetcode.com/problems/kth-largest-element-in-a-stream
 994,Rotting Oranges,49.2%,Medium,0.030179582027776965, https://leetcode.com/problems/rotting-oranges
 695,Max Area of Island,62.7%,Medium,0.028321590863246118, https://leetcode.com/problems/max-area-of-island
 709,To Lower Case,79.3%,Easy,0.02780531308033682, https://leetcode.com/problems/to-lower-case
 159,Longest Substring with At Most Two Distinct Characters,49.4%,Medium,0.02717558537896476, https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters
 877,Stone Game,64.8%,Medium,0.02486144206532915, https://leetcode.com/problems/stone-game
 154,Find Minimum in Rotated Sorted Array II,41.6%,Hard,0.01898490812303644, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
 993,Cousins in Binary Tree,52.0%,Easy,0.017414458368636587, https://leetcode.com/problems/cousins-in-binary-tree
 1365,How Many Numbers Are Smaller Than the Current Number,85.6%,Easy,0.015926721367078105, https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number
 1192,Critical Connections in a Network,48.6%,Hard,0.01352742981715631, https://leetcode.com/problems/critical-connections-in-a-network
 57,Insert Interval,33.5%,Hard,0.013119243592498872, https://leetcode.com/problems/insert-interval
 700,Search in a Binary Search Tree,73.1%,Easy,0.008512500860171227, https://leetcode.com/problems/search-in-a-binary-search-tree
 692,Top K Frequent Words,51.8%,Medium,0.007516006820935329, https://leetcode.com/problems/top-k-frequent-words
 145,Binary Tree Postorder Traversal,55.0%,Hard,0.00751459482064135, https://leetcode.com/problems/binary-tree-postorder-traversal
 1470,Shuffle the Array,88.9%,Easy,0.004527967890154029, https://leetcode.com/problems/shuffle-the-array
 793,Preimage Size of Factorial Zeroes Function,40.3%,Hard,0, https://leetcode.com/problems/preimage-size-of-factorial-zeroes-function
 908,Smallest Range I,65.8%,Easy,0, https://leetcode.com/problems/smallest-range-i
 910,Smallest Range II,26.6%,Medium,0, https://leetcode.com/problems/smallest-range-ii
--- a/aetion_2year.csv
+++ b/aetion_2year.csv
@@ -0,0 +1,2 @@
 2,Add Two Numbers,33.9%,Medium,0.001641227730374625, https://leetcode.com/problems/add-two-numbers
 1,Two Sum,45.6%,Easy,0.0008206138651873125, https://leetcode.com/problems/two-sum
--- a/aetion_alltime.csv
+++ b/aetion_alltime.csv
@@ -0,0 +1,3 @@
 1,Two Sum,45.6%,Easy,0.04892286053064383, https://leetcode.com/problems/two-sum
 413,Arithmetic Slices,57.9%,Medium,0.028431197162004825, https://leetcode.com/problems/arithmetic-slices
 2,Add Two Numbers,33.9%,Medium,0.020491663368639005, https://leetcode.com/problems/add-two-numbers
--- a/affinity_alltime.csv
+++ b/affinity_alltime.csv
@@ -0,0 +1 @@
 1106,Parsing A Boolean Expression,58.5%,Hard,0, https://leetcode.com/problems/parsing-a-boolean-expression
--- a/affirm_1year.csv
+++ b/affirm_1year.csv
@@ -0,0 +1,5 @@
 381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.10584435094403895, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.057001980519332376, https://leetcode.com/problems/insert-delete-getrandom-o1
 49,Group Anagrams,56.9%,Medium,0.008159610094625805, https://leetcode.com/problems/group-anagrams
 42,Trapping Rain Water,48.9%,Hard,0.00411947029523883, https://leetcode.com/problems/trapping-rain-water
 322,Coin Change,35.5%,Medium,0.003863246064215582, https://leetcode.com/problems/coin-change
--- a/affirm_2year.csv
+++ b/affirm_2year.csv
@@ -0,0 +1,12 @@
 736,Parse Lisp Expression,47.5%,Hard,0.7290367865107017, https://leetcode.com/problems/parse-lisp-expression
 381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.49586980740929654, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
 695,Max Area of Island,62.7%,Medium,0.31425595727716876, https://leetcode.com/problems/max-area-of-island
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.08108897817576358, https://leetcode.com/problems/insert-delete-getrandom-o1
 49,Group Anagrams,56.9%,Medium,0.05662724563684648, https://leetcode.com/problems/group-anagrams
 200,Number of Islands,46.8%,Medium,0.033359117749874545, https://leetcode.com/problems/number-of-islands
 362,Design Hit Counter,63.7%,Medium,0.024317307650706343, https://leetcode.com/problems/design-hit-counter
 322,Coin Change,35.5%,Medium,0.008671409957551127, https://leetcode.com/problems/coin-change
 230,Kth Smallest Element in a BST,60.2%,Medium,0.006085520073802784, https://leetcode.com/problems/kth-smallest-element-in-a-bst
 127,Word Ladder,29.6%,Medium,0.005731495844689608, https://leetcode.com/problems/word-ladder
 42,Trapping Rain Water,48.9%,Hard,0.00411947029523883, https://leetcode.com/problems/trapping-rain-water
 1,Two Sum,45.6%,Easy,0.003139596786381058, https://leetcode.com/problems/two-sum
--- a/affirm_6months.csv
+++ b/affirm_6months.csv
@@ -0,0 +1,2 @@
 381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.01868299433822582, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.00934149716911291, https://leetcode.com/problems/insert-delete-getrandom-o1
--- a/affirm_alltime.csv
+++ b/affirm_alltime.csv
@@ -0,0 +1,12 @@
 736,Parse Lisp Expression,47.5%,Hard,1.0065947176467498, https://leetcode.com/problems/parse-lisp-expression
 381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.6946505634539769, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
 695,Max Area of Island,62.7%,Medium,0.5227168031344483, https://leetcode.com/problems/max-area-of-island
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.2107726489416756, https://leetcode.com/problems/insert-delete-getrandom-o1
 362,Design Hit Counter,63.7%,Medium,0.14310084364067333, https://leetcode.com/problems/design-hit-counter
 49,Group Anagrams,56.9%,Medium,0.08712516204977415, https://leetcode.com/problems/group-anagrams
 42,Trapping Rain Water,48.9%,Hard,0.08028083126080282, https://leetcode.com/problems/trapping-rain-water
 127,Word Ladder,29.6%,Medium,0.06804400933142625, https://leetcode.com/problems/word-ladder
 200,Number of Islands,46.8%,Medium,0.05455898425043439, https://leetcode.com/problems/number-of-islands
 1,Two Sum,45.6%,Easy,0.04327015683483566, https://leetcode.com/problems/two-sum
 322,Coin Change,35.5%,Medium,0.023903996947661692, https://leetcode.com/problems/coin-change
 230,Kth Smallest Element in a BST,60.2%,Medium,0.006085520073802784, https://leetcode.com/problems/kth-smallest-element-in-a-bst
--- a/airbnb_1year.csv
+++ b/airbnb_1year.csv
@@ -0,0 +1,21 @@
 755,Pour Water,43.3%,Medium,1.6549959634129805, https://leetcode.com/problems/pour-water
 1166,Design File System,56.8%,Medium,1.578042968988746, https://leetcode.com/problems/design-file-system
 336,Palindrome Pairs,33.7%,Hard,1.3086247857193076, https://leetcode.com/problems/palindrome-pairs
 166,Fraction to Recurring Decimal,21.6%,Medium,1.110416810228655, https://leetcode.com/problems/fraction-to-recurring-decimal
 875,Koko Eating Bananas,52.1%,Medium,0.8409986269592165, https://leetcode.com/problems/koko-eating-bananas
 773,Sliding Puzzle,59.3%,Hard,0.6810258200276005, https://leetcode.com/problems/sliding-puzzle
 864,Shortest Path to Get All Keys,40.1%,Hard,0.6061358035703156, https://leetcode.com/problems/shortest-path-to-get-all-keys
 787,Cheapest Flights Within K Stops,39.3%,Medium,0.5212226928497461, https://leetcode.com/problems/cheapest-flights-within-k-stops
 269,Alien Dictionary,33.3%,Hard,0.48723106280473205, https://leetcode.com/problems/alien-dictionary
 251,Flatten 2D Vector,45.7%,Medium,0.4808790962829651, https://leetcode.com/problems/flatten-2d-vector
 1257,Smallest Common Region,58.8%,Medium,0.2561688067457042, https://leetcode.com/problems/smallest-common-region
 68,Text Justification,27.7%,Hard,0.16143214434637243, https://leetcode.com/problems/text-justification
 1235,Maximum Profit in Job Scheduling,44.0%,Hard,0.1532629744871177, https://leetcode.com/problems/maximum-profit-in-job-scheduling
 39,Combination Sum,56.1%,Medium,0.1339254107186325, https://leetcode.com/problems/combination-sum
 324,Wiggle Sort II,29.9%,Medium,0.11122563511022437, https://leetcode.com/problems/wiggle-sort-ii
 759,Employee Free Time,66.2%,Hard,0.10623186692973738, https://leetcode.com/problems/employee-free-time
 280,Wiggle Sort,63.8%,Medium,0.04362742017962607, https://leetcode.com/problems/wiggle-sort
 322,Coin Change,35.5%,Medium,0.024924029676386045, https://leetcode.com/problems/coin-change
 341,Flatten Nested List Iterator,52.9%,Medium,0.019980684690483426, https://leetcode.com/problems/flatten-nested-list-iterator
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.004714210262726446, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 42,Trapping Rain Water,48.9%,Hard,0.004350670338744988, https://leetcode.com/problems/trapping-rain-water
--- a/airbnb_2year.csv
+++ b/airbnb_2year.csv
@@ -0,0 +1,38 @@
 755,Pour Water,43.3%,Medium,4.694392422785564, https://leetcode.com/problems/pour-water
 336,Palindrome Pairs,33.7%,Hard,4.005323090387116, https://leetcode.com/problems/palindrome-pairs
 751,IP to CIDR,61.7%,Medium,3.3596034843633182, https://leetcode.com/problems/ip-to-cidr
 251,Flatten 2D Vector,45.7%,Medium,2.6705341519648713, https://leetcode.com/problems/flatten-2d-vector
 773,Sliding Puzzle,59.3%,Hard,2.143603485897122, https://leetcode.com/problems/sliding-puzzle
 269,Alien Dictionary,33.3%,Hard,2.125834154172795, https://leetcode.com/problems/alien-dictionary
 1166,Design File System,56.8%,Medium,2.054985245702309, https://leetcode.com/problems/design-file-system
 787,Cheapest Flights Within K Stops,39.3%,Medium,1.820249200959109, https://leetcode.com/problems/cheapest-flights-within-k-stops
 166,Fraction to Recurring Decimal,21.6%,Medium,1.1768918457232653, https://leetcode.com/problems/fraction-to-recurring-decimal
 39,Combination Sum,56.1%,Medium,0.8659171996195525, https://leetcode.com/problems/combination-sum
 875,Koko Eating Bananas,52.1%,Medium,0.8409986269592165, https://leetcode.com/problems/koko-eating-bananas
 759,Employee Free Time,66.2%,Hard,0.6974963641784472, https://leetcode.com/problems/employee-free-time
 864,Shortest Path to Get All Keys,40.1%,Hard,0.6061358035703156, https://leetcode.com/problems/shortest-path-to-get-all-keys
 324,Wiggle Sort II,29.9%,Medium,0.5511769192895581, https://leetcode.com/problems/wiggle-sort-ii
 756,Pyramid Transition Matrix,54.6%,Medium,0.38776553100876343, https://leetcode.com/problems/pyramid-transition-matrix
 341,Flatten Nested List Iterator,52.9%,Medium,0.3426517489923298, https://leetcode.com/problems/flatten-nested-list-iterator
 68,Text Justification,27.7%,Hard,0.29518712556880805, https://leetcode.com/problems/text-justification
 1257,Smallest Common Region,58.8%,Medium,0.2561688067457042, https://leetcode.com/problems/smallest-common-region
 1235,Maximum Profit in Job Scheduling,44.0%,Hard,0.1532629744871177, https://leetcode.com/problems/maximum-profit-in-job-scheduling
 322,Coin Change,35.5%,Medium,0.06260600694223208, https://leetcode.com/problems/coin-change
 588,Design In-Memory File System,45.9%,Hard,0.05841076215641451, https://leetcode.com/problems/design-in-memory-file-system
 843,Guess the Word,46.1%,Hard,0.045462374076757336, https://leetcode.com/problems/guess-the-word
 280,Wiggle Sort,63.8%,Medium,0.04362742017962607, https://leetcode.com/problems/wiggle-sort
 42,Trapping Rain Water,48.9%,Hard,0.02688623073425064, https://leetcode.com/problems/trapping-rain-water
 622,Design Circular Queue,43.7%,Medium,0.02246023667974994, https://leetcode.com/problems/design-circular-queue
 212,Word Search II,34.9%,Hard,0.02201654487096149, https://leetcode.com/problems/word-search-ii
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.018724947332324816, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 1,Two Sum,45.6%,Easy,0.016487580637467636, https://leetcode.com/problems/two-sum
 299,Bulls and Cows,42.4%,Easy,0.016227536621756702, https://leetcode.com/problems/bulls-and-cows
 211,Add and Search Word - Data structure design,38.1%,Medium,0.010438508143923443, https://leetcode.com/problems/add-and-search-word-data-structure-design
 5,Longest Palindromic Substring,29.5%,Medium,0.009086325220960808, https://leetcode.com/problems/longest-palindromic-substring
 953,Verifying an Alien Dictionary,54.1%,Easy,0.007884921592696038, https://leetcode.com/problems/verifying-an-alien-dictionary
 76,Minimum Window Substring,34.6%,Hard,0.006231520398723243, https://leetcode.com/problems/minimum-window-substring
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.004247643638268045, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 215,Kth Largest Element in an Array,55.4%,Medium,0.003902443976931749, https://leetcode.com/problems/kth-largest-element-in-an-array
 4,Median of Two Sorted Arrays,29.6%,Hard,0.003900160950094767, https://leetcode.com/problems/median-of-two-sorted-arrays
 21,Merge Two Sorted Lists,53.5%,Easy,0.0022551737583973706, https://leetcode.com/problems/merge-two-sorted-lists
 2,Add Two Numbers,33.9%,Medium,0.0016886191111440908, https://leetcode.com/problems/add-two-numbers
--- a/airbnb_6months.csv
+++ b/airbnb_6months.csv
@@ -0,0 +1,2 @@
 864,Shortest Path to Get All Keys,40.1%,Hard,0.13271866487392153, https://leetcode.com/problems/shortest-path-to-get-all-keys
 251,Flatten 2D Vector,45.7%,Medium,0.06635933243696077, https://leetcode.com/problems/flatten-2d-vector
--- a/airbnb_alltime.csv
+++ b/airbnb_alltime.csv
@@ -0,0 +1,59 @@
 336,Palindrome Pairs,33.7%,Hard,5.9749009408191585, https://leetcode.com/problems/palindrome-pairs
 755,Pour Water,43.3%,Medium,5.821525282662105, https://leetcode.com/problems/pour-water
 751,IP to CIDR,61.7%,Medium,4.677479721248074, https://leetcode.com/problems/ip-to-cidr
 251,Flatten 2D Vector,45.7%,Medium,4.501060978905473, https://leetcode.com/problems/flatten-2d-vector
 269,Alien Dictionary,33.3%,Hard,3.3570154174914424, https://leetcode.com/problems/alien-dictionary
 68,Text Justification,27.7%,Hard,3.0293920300570387, https://leetcode.com/problems/text-justification
 1166,Design File System,56.8%,Medium,2.7214059922837657, https://leetcode.com/problems/design-file-system
 787,Cheapest Flights Within K Stops,39.3%,Medium,2.66336088062552, https://leetcode.com/problems/cheapest-flights-within-k-stops
 773,Sliding Puzzle,59.3%,Hard,2.4717685123505686, https://leetcode.com/problems/sliding-puzzle
 341,Flatten Nested List Iterator,52.9%,Medium,1.766208769110585, https://leetcode.com/problems/flatten-nested-list-iterator
 166,Fraction to Recurring Decimal,21.6%,Medium,1.6639068207955374, https://leetcode.com/problems/fraction-to-recurring-decimal
 39,Combination Sum,56.1%,Medium,1.6445826005250566, https://leetcode.com/problems/combination-sum
 324,Wiggle Sort II,29.9%,Medium,1.2959351403605768, https://leetcode.com/problems/wiggle-sort-ii
 875,Koko Eating Bananas,52.1%,Medium,1.2072640854100087, https://leetcode.com/problems/koko-eating-bananas
 42,Trapping Rain Water,48.9%,Hard,1.1037585327659545, https://leetcode.com/problems/trapping-rain-water
 1,Two Sum,45.6%,Easy,1.0889331084185998, https://leetcode.com/problems/two-sum
 1058,Minimize Rounding Error to Meet Target,41.7%,Medium,1.042653635020065, https://leetcode.com/problems/minimize-rounding-error-to-meet-target
 759,Employee Free Time,66.2%,Hard,0.9190267116930299, https://leetcode.com/problems/employee-free-time
 756,Pyramid Transition Matrix,54.6%,Medium,0.8397506547518208, https://leetcode.com/problems/pyramid-transition-matrix
 864,Shortest Path to Get All Keys,40.1%,Hard,0.6061358035703156, https://leetcode.com/problems/shortest-path-to-get-all-keys
 1257,Smallest Common Region,58.8%,Medium,0.5049690916532777, https://leetcode.com/problems/smallest-common-region
 843,Guess the Word,46.1%,Hard,0.45092748218492174, https://leetcode.com/problems/guess-the-word
 212,Word Search II,34.9%,Hard,0.3492519632676119, https://leetcode.com/problems/word-search-ii
 588,Design In-Memory File System,45.9%,Hard,0.31913702461966714, https://leetcode.com/problems/design-in-memory-file-system
 322,Coin Change,35.5%,Medium,0.2559919879212256, https://leetcode.com/problems/coin-change
 2,Add Two Numbers,33.9%,Medium,0.2512393123206071, https://leetcode.com/problems/add-two-numbers
 10,Regular Expression Matching,26.8%,Hard,0.23083119919105394, https://leetcode.com/problems/regular-expression-matching
 1235,Maximum Profit in Job Scheduling,44.0%,Hard,0.23015822831359434, https://leetcode.com/problems/maximum-profit-in-job-scheduling
 299,Bulls and Cows,42.4%,Easy,0.1826623303532244, https://leetcode.com/problems/bulls-and-cows
 76,Minimum Window Substring,34.6%,Hard,0.1731900290370625, https://leetcode.com/problems/minimum-window-substring
 219,Contains Duplicate II,37.7%,Easy,0.14617994030648507, https://leetcode.com/problems/contains-duplicate-ii
 385,Mini Parser,33.8%,Medium,0.13176927763112334, https://leetcode.com/problems/mini-parser
 198,House Robber,42.0%,Easy,0.12709898426651453, https://leetcode.com/problems/house-robber
 5,Longest Palindromic Substring,29.5%,Medium,0.12076411655886263, https://leetcode.com/problems/longest-palindromic-substring
 220,Contains Duplicate III,20.9%,Medium,0.09599691440839975, https://leetcode.com/problems/contains-duplicate-iii
 280,Wiggle Sort,63.8%,Medium,0.09561417737468547, https://leetcode.com/problems/wiggle-sort
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.07288369759447264, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 20,Valid Parentheses,39.0%,Easy,0.06735240264428982, https://leetcode.com/problems/valid-parentheses
 4,Median of Two Sorted Arrays,29.6%,Hard,0.0606476084726819, https://leetcode.com/problems/median-of-two-sorted-arrays
 160,Intersection of Two Linked Lists,40.6%,Easy,0.043270781043381126, https://leetcode.com/problems/intersection-of-two-linked-lists
 202,Happy Number,50.4%,Easy,0.03853744444187023, https://leetcode.com/problems/happy-number
 21,Merge Two Sorted Lists,53.5%,Easy,0.03548634253021285, https://leetcode.com/problems/merge-two-sorted-lists
 136,Single Number,65.5%,Easy,0.03459819810553353, https://leetcode.com/problems/single-number
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.03421710570764629, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 23,Merge k Sorted Lists,40.2%,Hard,0.0250564321052577, https://leetcode.com/problems/merge-k-sorted-lists
 215,Kth Largest Element in an Array,55.4%,Medium,0.02414409892936099, https://leetcode.com/problems/kth-largest-element-in-an-array
 622,Design Circular Queue,43.7%,Medium,0.02246023667974994, https://leetcode.com/problems/design-circular-queue
 221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
 217,Contains Duplicate,56.0%,Easy,0.015106027431013205, https://leetcode.com/problems/contains-duplicate
 211,Add and Search Word - Data structure design,38.1%,Medium,0.010438508143923443, https://leetcode.com/problems/add-and-search-word-data-structure-design
 953,Verifying an Alien Dictionary,54.1%,Easy,0.007884921592696038, https://leetcode.com/problems/verifying-an-alien-dictionary
 190,Reverse Bits,39.8%,Easy,0.007306635849167308, https://leetcode.com/problems/reverse-bits
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.004247643638268045, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 227,Basic Calculator II,36.9%,Medium,0, https://leetcode.com/problems/basic-calculator-ii
 415,Add Strings,47.5%,Easy,0, https://leetcode.com/problems/add-strings
 1017,Convert to Base -2,59.0%,Medium,0, https://leetcode.com/problems/convert-to-base-2
 1041,Robot Bounded In Circle,49.6%,Medium,0, https://leetcode.com/problems/robot-bounded-in-circle
 1284,Minimum Number of Flips to Convert Binary Matrix to Zero Matrix,69.5%,Hard,0, https://leetcode.com/problems/minimum-number-of-flips-to-convert-binary-matrix-to-zero-matrix
 1298,Maximum Candies You Can Get from Boxes,58.8%,Hard,0, https://leetcode.com/problems/maximum-candies-you-can-get-from-boxes
--- a/airtel_alltime.csv
+++ b/airtel_alltime.csv
@@ -0,0 +1 @@
 1310,XOR Queries of a Subarray,68.7%,Medium,0, https://leetcode.com/problems/xor-queries-of-a-subarray
--- a/akamai_alltime.csv
+++ b/akamai_alltime.csv
@@ -0,0 +1 @@
 961,N-Repeated Element in Size 2N Array,73.7%,Easy,0, https://leetcode.com/problems/n-repeated-element-in-size-2n-array
--- a/akuna-capital_1year.csv
+++ b/akuna-capital_1year.csv
@@ -0,0 +1,8 @@
 1223,Dice Roll Simulation,45.6%,Medium,0.41544374201169354, https://leetcode.com/problems/dice-roll-simulation
 713,Subarray Product Less Than K,39.1%,Medium,0.31165179311372015, https://leetcode.com/problems/subarray-product-less-than-k
 1411,Number of Ways to Paint N × 3 Grid,61.1%,Hard,0.2567382244712564, https://leetcode.com/problems/number-of-ways-to-paint-n-3-grid
 1177,Can Make Palindrome from Substring,34.6%,Medium,0.15130891511097502, https://leetcode.com/problems/can-make-palindrome-from-substring
 1319,Number of Operations to Make Network Connected,53.1%,Medium,0.04587960575069364, https://leetcode.com/problems/number-of-operations-to-make-network-connected
 1048,Longest String Chain,54.7%,Medium,0.019361689049145963, https://leetcode.com/problems/longest-string-chain
 152,Maximum Product Subarray,31.7%,Medium,0.005590510716885066, https://leetcode.com/problems/maximum-product-subarray
 48,Rotate Image,56.7%,Medium,0.0050955524266001265, https://leetcode.com/problems/rotate-image
--- a/akuna-capital_2year.csv
+++ b/akuna-capital_2year.csv
@@ -0,0 +1,15 @@
 713,Subarray Product Less Than K,39.1%,Medium,0.6727517560064701, https://leetcode.com/problems/subarray-product-less-than-k
 1223,Dice Roll Simulation,45.6%,Medium,0.5140462384660329, https://leetcode.com/problems/dice-roll-simulation
 1411,Number of Ways to Paint N × 3 Grid,61.1%,Hard,0.35534072092559577, https://leetcode.com/problems/number-of-ways-to-paint-n-3-grid
 1177,Can Make Palindrome from Substring,34.6%,Medium,0.24991141156531438, https://leetcode.com/problems/can-make-palindrome-from-substring
 995,Minimum Number of K Consecutive Bit Flips,46.8%,Hard,0.19004360288786493, https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips
 324,Wiggle Sort II,29.9%,Medium,0.168749479248411, https://leetcode.com/problems/wiggle-sort-ii
 1319,Number of Operations to Make Network Connected,53.1%,Medium,0.04587960575069364, https://leetcode.com/problems/number-of-operations-to-make-network-connected
 48,Rotate Image,56.7%,Medium,0.020228249775471566, https://leetcode.com/problems/rotate-image
 1048,Longest String Chain,54.7%,Medium,0.019361689049145963, https://leetcode.com/problems/longest-string-chain
 443,String Compression,41.3%,Easy,0.01390843004613198, https://leetcode.com/problems/string-compression
 39,Combination Sum,56.1%,Medium,0.005715934396440999, https://leetcode.com/problems/combination-sum
 152,Maximum Product Subarray,31.7%,Medium,0.005590510716885066, https://leetcode.com/problems/maximum-product-subarray
 15,3Sum,26.8%,Medium,0.004940992758742591, https://leetcode.com/problems/3sum
 20,Valid Parentheses,39.0%,Easy,0.0023005704055949323, https://leetcode.com/problems/valid-parentheses
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0021239321954525975, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
--- a/akuna-capital_6months.csv
+++ b/akuna-capital_6months.csv
@@ -0,0 +1,2 @@
 1411,Number of Ways to Paint N × 3 Grid,61.1%,Hard,0.20425899015275967, https://leetcode.com/problems/number-of-ways-to-paint-n-3-grid
 1223,Dice Roll Simulation,45.6%,Medium,0.10212949507637983, https://leetcode.com/problems/dice-roll-simulation
--- a/akuna-capital_alltime.csv
+++ b/akuna-capital_alltime.csv
@@ -0,0 +1,23 @@
 713,Subarray Product Less Than K,39.1%,Medium,1.072475096007634, https://leetcode.com/problems/subarray-product-less-than-k
 1223,Dice Roll Simulation,45.6%,Medium,0.8403614163905465, https://leetcode.com/problems/dice-roll-simulation
 995,Minimum Number of K Consecutive Bit Flips,46.8%,Hard,0.6082477367734591, https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips
 324,Wiggle Sort II,29.9%,Medium,0.46724246780440754, https://leetcode.com/problems/wiggle-sort-ii
 1411,Number of Ways to Paint N × 3 Grid,61.1%,Hard,0.35534072092559577, https://leetcode.com/problems/number-of-ways-to-paint-n-3-grid
 1177,Can Make Palindrome from Substring,34.6%,Medium,0.24991141156531438, https://leetcode.com/problems/can-make-palindrome-from-substring
 1319,Number of Operations to Make Network Connected,53.1%,Medium,0.10041874774704733, https://leetcode.com/problems/number-of-operations-to-make-network-connected
 20,Valid Parentheses,39.0%,Easy,0.06735240264428982, https://leetcode.com/problems/valid-parentheses
 48,Rotate Image,56.7%,Medium,0.04495138786226632, https://leetcode.com/problems/rotate-image
 443,String Compression,41.3%,Easy,0.031026273563100573, https://leetcode.com/problems/string-compression
 743,Network Delay Time,45.0%,Medium,0.02844692450205361, https://leetcode.com/problems/network-delay-time
 1048,Longest String Chain,54.7%,Medium,0.019361689049145963, https://leetcode.com/problems/longest-string-chain
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.013201163302846108, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 152,Maximum Product Subarray,31.7%,Medium,0.012534983069696118, https://leetcode.com/problems/maximum-product-subarray
 39,Combination Sum,56.1%,Medium,0.005715934396440999, https://leetcode.com/problems/combination-sum
 15,3Sum,26.8%,Medium,0.004940992758742591, https://leetcode.com/problems/3sum
 677,Map Sum Pairs,53.5%,Medium,0, https://leetcode.com/problems/map-sum-pairs
 740,Delete and Earn,48.6%,Medium,0, https://leetcode.com/problems/delete-and-earn
 741,Cherry Pickup,33.9%,Hard,0, https://leetcode.com/problems/cherry-pickup
 1425,Constrained Subsequence Sum,44.1%,Hard,0, https://leetcode.com/problems/constrained-subsequence-sum
 1326,Minimum Number of Taps to Open to Water a Garden,43.6%,Hard,0, https://leetcode.com/problems/minimum-number-of-taps-to-open-to-water-a-garden
 1338,Reduce Array Size to The Half,67.0%,Medium,0, https://leetcode.com/problems/reduce-array-size-to-the-half
 1370,Increasing Decreasing String,75.7%,Easy,0, https://leetcode.com/problems/increasing-decreasing-string
--- a/akuna_alltime.csv
+++ b/akuna_alltime.csv
@@ -0,0 +1 @@
 995,Minimum Number of K Consecutive Bit Flips,46.8%,Hard,0, https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips
--- a/alation_1year.csv
+++ b/alation_1year.csv
@@ -0,0 +1 @@
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.003496778759264278, https://leetcode.com/problems/longest-substring-without-repeating-characters
--- a/alation_2year.csv
+++ b/alation_2year.csv
@@ -0,0 +1 @@
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.009683242444739549, https://leetcode.com/problems/longest-substring-without-repeating-characters
--- a/alation_alltime.csv
+++ b/alation_alltime.csv
@@ -0,0 +1 @@
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.14469274653374686, https://leetcode.com/problems/longest-substring-without-repeating-characters
--- a/alibaba_1year.csv
+++ b/alibaba_1year.csv
@@ -0,0 +1,3 @@
 1,Two Sum,45.6%,Easy,0.002906760648617138, https://leetcode.com/problems/two-sum
 146,LRU Cache,33.2%,Medium,0.0023892905841572196, https://leetcode.com/problems/lru-cache
 101,Symmetric Tree,46.8%,Easy,0.0011946452920786098, https://leetcode.com/problems/symmetric-tree
--- a/alibaba_2year.csv
+++ b/alibaba_2year.csv
@@ -0,0 +1,32 @@
 446,Arithmetic Slices II - Subsequence,32.7%,Hard,0.053390859053336806, https://leetcode.com/problems/arithmetic-slices-ii-subsequence
 1,Two Sum,45.6%,Easy,0.04514397697084252, https://leetcode.com/problems/two-sum
 146,LRU Cache,33.2%,Medium,0.040660598211268925, https://leetcode.com/problems/lru-cache
 992,Subarrays with K Different Integers,48.6%,Hard,0.03700699810869683, https://leetcode.com/problems/subarrays-with-k-different-integers
 460,LFU Cache,34.2%,Hard,0.030962225603966897, https://leetcode.com/problems/lfu-cache
 678,Valid Parenthesis String,31.0%,Medium,0.02271534352147261, https://leetcode.com/problems/valid-parenthesis-string
 53,Maximum Subarray,46.5%,Easy,0.019336728821707075, https://leetcode.com/problems/maximum-subarray
 33,Search in Rotated Sorted Array,34.5%,Medium,0.012857779194289386, https://leetcode.com/problems/search-in-rotated-sorted-array
 152,Maximum Product Subarray,31.7%,Medium,0.012534983069696118, https://leetcode.com/problems/maximum-product-subarray
 2,Add Two Numbers,33.9%,Medium,0.010507388732168088, https://leetcode.com/problems/add-two-numbers
 62,Unique Paths,54.1%,Medium,0.010367562048856941, https://leetcode.com/problems/unique-paths
 5,Longest Palindromic Substring,29.5%,Medium,0.009086325220960808, https://leetcode.com/problems/longest-palindromic-substring
 15,3Sum,26.8%,Medium,0.00876717944353383, https://leetcode.com/problems/3sum
 215,Kth Largest Element in an Array,55.4%,Medium,0.008759180089881562, https://leetcode.com/problems/kth-largest-element-in-an-array
 173,Binary Search Tree Iterator,56.6%,Medium,0.008489015324911316, https://leetcode.com/problems/binary-search-tree-iterator
 394,Decode String,50.0%,Medium,0.008166644000272283, https://leetcode.com/problems/decode-string
 239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
 10,Regular Expression Matching,26.8%,Hard,0.0071865203293987245, https://leetcode.com/problems/regular-expression-matching
 200,Number of Islands,46.8%,Medium,0.006490251382779317, https://leetcode.com/problems/number-of-islands
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.006208067119374334, https://leetcode.com/problems/longest-substring-without-repeating-characters
 206,Reverse Linked List,62.5%,Easy,0.005257021452801617, https://leetcode.com/problems/reverse-linked-list
 160,Intersection of Two Linked Lists,40.6%,Easy,0.004901369939720486, https://leetcode.com/problems/intersection-of-two-linked-lists
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0047725193990346675, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 22,Generate Parentheses,62.7%,Medium,0.0043611059090124735, https://leetcode.com/problems/generate-parentheses
 23,Merge k Sorted Lists,40.2%,Hard,0.004051459000748015, https://leetcode.com/problems/merge-k-sorted-lists
 4,Median of Two Sorted Arrays,29.6%,Hard,0.003900160950094767, https://leetcode.com/problems/median-of-two-sorted-arrays
 56,Merge Intervals,39.3%,Medium,0.0034728286335985107, https://leetcode.com/problems/merge-intervals
 101,Symmetric Tree,46.8%,Easy,0.0034057078469827435, https://leetcode.com/problems/symmetric-tree
 94,Binary Tree Inorder Traversal,63.3%,Medium,0.0033551449021403577, https://leetcode.com/problems/binary-tree-inorder-traversal
 14,Longest Common Prefix,35.4%,Easy,0.003320331762984143, https://leetcode.com/problems/longest-common-prefix
 21,Merge Two Sorted Lists,53.5%,Easy,0.0022551737583973706, https://leetcode.com/problems/merge-two-sorted-lists
 70,Climbing Stairs,47.8%,Easy,0.0015084665529624085, https://leetcode.com/problems/climbing-stairs
--- a/alibaba_6months.csv
+++ b/alibaba_6months.csv
@@ -0,0 +1,2 @@
 146,LRU Cache,33.2%,Medium,0.00369087024717462, https://leetcode.com/problems/lru-cache
 1,Two Sum,45.6%,Easy,0.00184543512358731, https://leetcode.com/problems/two-sum
--- a/alibaba_alltime.csv
+++ b/alibaba_alltime.csv
@@ -0,0 +1,35 @@
 1,Two Sum,45.6%,Easy,1.8426731183805538, https://leetcode.com/problems/two-sum
 4,Median of Two Sorted Arrays,29.6%,Hard,1.3202175987487612, https://leetcode.com/problems/median-of-two-sorted-arrays
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.7977620791169685, https://leetcode.com/problems/longest-substring-without-repeating-characters
 2,Add Two Numbers,33.9%,Medium,0.5366346918295662, https://leetcode.com/problems/add-two-numbers
 146,LRU Cache,33.2%,Medium,0.44335485389548807, https://leetcode.com/problems/lru-cache
 206,Reverse Linked List,62.5%,Easy,0.4233615954299824, https://leetcode.com/problems/reverse-linked-list
 5,Longest Palindromic Substring,29.5%,Medium,0.36967130396010545, https://leetcode.com/problems/longest-palindromic-substring
 215,Kth Largest Element in an Array,55.4%,Medium,0.3584329285696304, https://leetcode.com/problems/kth-largest-element-in-an-array
 53,Maximum Subarray,46.5%,Easy,0.3543183348432278, https://leetcode.com/problems/maximum-subarray
 10,Regular Expression Matching,26.8%,Hard,0.3026257535192428, https://leetcode.com/problems/regular-expression-matching
 23,Merge k Sorted Lists,40.2%,Hard,0.2572061238898046, https://leetcode.com/problems/merge-k-sorted-lists
 33,Search in Rotated Sorted Array,34.5%,Medium,0.2327382673745402, https://leetcode.com/problems/search-in-rotated-sorted-array
 21,Merge Two Sorted Lists,53.5%,Easy,0.22227395167049366, https://leetcode.com/problems/merge-two-sorted-lists
 70,Climbing Stairs,47.8%,Easy,0.140596799083353, https://leetcode.com/problems/climbing-stairs
 15,3Sum,26.8%,Medium,0.1318100440396084, https://leetcode.com/problems/3sum
 446,Arithmetic Slices II - Subsequence,32.7%,Hard,0.12099331128663167, https://leetcode.com/problems/arithmetic-slices-ii-subsequence
 160,Intersection of Two Linked Lists,40.6%,Easy,0.09485223529696123, https://leetcode.com/problems/intersection-of-two-linked-lists
 22,Generate Parentheses,62.7%,Medium,0.08480542001364956, https://leetcode.com/problems/generate-parentheses
 14,Longest Common Prefix,35.4%,Easy,0.07987000438694741, https://leetcode.com/problems/longest-common-prefix
 460,LFU Cache,34.2%,Hard,0.06836374280939023, https://leetcode.com/problems/lfu-cache
 62,Unique Paths,54.1%,Medium,0.055187969852649885, https://leetcode.com/problems/unique-paths
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.05179016768312839, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 200,Number of Islands,46.8%,Medium,0.04526299408355752, https://leetcode.com/problems/number-of-islands
 992,Subarrays with K Different Integers,48.6%,Hard,0.03700699810869683, https://leetcode.com/problems/subarrays-with-k-different-integers
 152,Maximum Product Subarray,31.7%,Medium,0.034438665054543384, https://leetcode.com/problems/maximum-product-subarray
 239,Sliding Window Maximum,43.0%,Hard,0.031228142547585713, https://leetcode.com/problems/sliding-window-maximum
 678,Valid Parenthesis String,31.0%,Medium,0.02271534352147261, https://leetcode.com/problems/valid-parenthesis-string
 56,Merge Intervals,39.3%,Medium,0.013819532422258866, https://leetcode.com/problems/merge-intervals
 101,Symmetric Tree,46.8%,Easy,0.013553786479814183, https://leetcode.com/problems/symmetric-tree
 94,Binary Tree Inorder Traversal,63.3%,Medium,0.013353561806134713, https://leetcode.com/problems/binary-tree-inorder-traversal
 173,Binary Search Tree Iterator,56.6%,Medium,0.008489015324911316, https://leetcode.com/problems/binary-search-tree-iterator
 394,Decode String,50.0%,Medium,0.008166644000272283, https://leetcode.com/problems/decode-string
 666,Path Sum IV,54.7%,Medium,0, https://leetcode.com/problems/path-sum-iv
 548,Split Array with Equal Sum,46.4%,Medium,0, https://leetcode.com/problems/split-array-with-equal-sum
 555,Split Concatenated Strings,42.2%,Medium,0, https://leetcode.com/problems/split-concatenated-strings
--- a/amazon_1year.csv
+++ b/amazon_1year.csv
@@ -0,0 +1,605 @@
 937,Reorder Data in Log Files,54.3%,Easy,3.9944355947998136, https://leetcode.com/problems/reorder-data-in-log-files
 1192,Critical Connections in a Network,48.6%,Hard,3.925598813161921, https://leetcode.com/problems/critical-connections-in-a-network
 200,Number of Islands,46.8%,Medium,3.7781578407565197, https://leetcode.com/problems/number-of-islands
 994,Rotting Oranges,49.2%,Medium,3.6307168683511186, https://leetcode.com/problems/rotting-oranges
 819,Most Common Word,44.8%,Easy,3.4832758959457175, https://leetcode.com/problems/most-common-word
 138,Copy List with Random Pointer,36.4%,Medium,3.452672602379887, https://leetcode.com/problems/copy-list-with-random-pointer
 763,Partition Labels,76.1%,Medium,3.305231629974486, https://leetcode.com/problems/partition-labels
 692,Top K Frequent Words,51.8%,Medium,3.256820919958484, https://leetcode.com/problems/top-k-frequent-words
 146,LRU Cache,33.2%,Medium,3.109379947553083, https://leetcode.com/problems/lru-cache
 1,Two Sum,45.6%,Easy,2.9619389751476817, https://leetcode.com/problems/two-sum
 572,Subtree of Another Tree,44.1%,Easy,2.945568993322194, https://leetcode.com/problems/subtree-of-another-tree
 240,Search a 2D Matrix II,43.2%,Medium,2.798128020916793, https://leetcode.com/problems/search-a-2d-matrix-ii
 5,Longest Palindromic Substring,29.5%,Medium,2.7358200747627843, https://leetcode.com/problems/longest-palindromic-substring
 21,Merge Two Sorted Lists,53.5%,Easy,2.678307039145778, https://leetcode.com/problems/merge-two-sorted-lists
 472,Concatenated Words,43.7%,Hard,2.636650106787832, https://leetcode.com/problems/concatenated-words
 973,K Closest Points to Origin,63.8%,Medium,2.6240138122465444, https://leetcode.com/problems/k-closest-points-to-origin
 23,Merge k Sorted Lists,40.2%,Hard,2.5524109933277668, https://leetcode.com/problems/merge-k-sorted-lists
 1167,Minimum Cost to Connect Sticks,62.8%,Medium,2.423130930639536, https://leetcode.com/problems/minimum-cost-to-connect-sticks
 957,Prison Cells After N Days,40.7%,Medium,2.42269136604331, https://leetcode.com/problems/prison-cells-after-n-days
 295,Find Median from Data Stream,44.3%,Hard,2.3279113755186978, https://leetcode.com/problems/find-median-from-data-stream
 42,Trapping Rain Water,48.9%,Hard,2.204080367616883, https://leetcode.com/problems/trapping-rain-water
 1152,Analyze User Website Visit Pattern,43.5%,Medium,2.1610636126719283, https://leetcode.com/problems/analyze-user-website-visit-pattern
 1268,Search Suggestions System,63.2%,Medium,2.157831912757614, https://leetcode.com/problems/search-suggestions-system
 588,Design In-Memory File System,45.9%,Hard,2.113625008500926, https://leetcode.com/problems/design-in-memory-file-system
 460,LFU Cache,34.2%,Hard,2.029678026599572, https://leetcode.com/problems/lfu-cache
 297,Serialize and Deserialize Binary Tree,47.5%,Hard,1.882237054194171, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
 642,Design Search Autocomplete System,44.7%,Hard,1.850014447447311, https://leetcode.com/problems/design-search-autocomplete-system
 348,Design Tic-Tac-Toe,54.3%,Medium,1.8169700410705985, https://leetcode.com/problems/design-tic-tac-toe
 127,Word Ladder,29.6%,Medium,1.798979717201542, https://leetcode.com/problems/word-ladder
 694,Number of Distinct Islands,56.0%,Medium,1.6879409739220441, https://leetcode.com/problems/number-of-distinct-islands
 212,Word Search II,34.9%,Hard,1.679541552723447, https://leetcode.com/problems/word-search-ii
 126,Word Ladder II,22.1%,Hard,1.6793805521461769, https://leetcode.com/problems/word-ladder-ii
 253,Meeting Rooms II,45.7%,Medium,1.6660486200337488, https://leetcode.com/problems/meeting-rooms-ii
 273,Integer to English Words,27.1%,Hard,1.5969629753826686, https://leetcode.com/problems/integer-to-english-words
 1102,Path With Maximum Minimum Value,49.2%,Medium,1.586376093728572, https://leetcode.com/problems/path-with-maximum-minimum-value
 866,Prime Palindrome,24.9%,Medium,1.5508753832260214, https://leetcode.com/problems/prime-palindrome
 380,Insert Delete GetRandom O(1),47.5%,Medium,1.4345204100538291, https://leetcode.com/problems/insert-delete-getrandom-o1
 1099,Two Sum Less Than K,60.6%,Easy,1.374401545094067, https://leetcode.com/problems/two-sum-less-than-k
 2,Add Two Numbers,33.9%,Medium,1.309433027705025, https://leetcode.com/problems/add-two-numbers
 121,Best Time to Buy and Sell Stock,50.5%,Easy,1.3027850571141735, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 49,Group Anagrams,56.9%,Medium,1.2743748777523694, https://leetcode.com/problems/group-anagrams
 139,Word Break,40.1%,Medium,1.2351186358489528, https://leetcode.com/problems/word-break
 20,Valid Parentheses,39.0%,Easy,1.1894789144026565, https://leetcode.com/problems/valid-parentheses
 863,All Nodes Distance K in Binary Tree,55.4%,Medium,1.1822332875060502, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
 1000,Minimum Cost to Merge Stones,39.8%,Hard,1.1653622592057065, https://leetcode.com/problems/minimum-cost-to-merge-stones
 15,3Sum,26.8%,Medium,1.1582544171399092, https://leetcode.com/problems/3sum
 269,Alien Dictionary,33.3%,Hard,1.152241098330318, https://leetcode.com/problems/alien-dictionary
 239,Sliding Window Maximum,43.0%,Hard,1.1502557728555012, https://leetcode.com/problems/sliding-window-maximum
 545,Boundary of Binary Tree,38.9%,Medium,1.1251501588677701, https://leetcode.com/problems/boundary-of-binary-tree
 909,Snakes and Ladders,38.4%,Medium,1.0669891002375975, https://leetcode.com/problems/snakes-and-ladders
 733,Flood Fill,55.3%,Easy,1.0669060422540164, https://leetcode.com/problems/flood-fill
 99,Recover Binary Search Tree,39.7%,Hard,1.0625115814692296, https://leetcode.com/problems/recover-binary-search-tree
 238,Product of Array Except Self,60.1%,Medium,1.0368856026788111, https://leetcode.com/problems/product-of-array-except-self
 155,Min Stack,44.5%,Easy,1.0332086228823416, https://leetcode.com/problems/min-stack
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.9915478841688382, https://leetcode.com/problems/longest-substring-without-repeating-characters
 490,The Maze,51.4%,Medium,0.9467105081323941, https://leetcode.com/problems/the-maze
 353,Design Snake Game,34.2%,Medium,0.9400316341694208, https://leetcode.com/problems/design-snake-game
 322,Coin Change,35.5%,Medium,0.930364459085817, https://leetcode.com/problems/coin-change
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.9202313417131626, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 140,Word Break II,32.6%,Hard,0.915097284840888, https://leetcode.com/problems/word-break-ii
 54,Spiral Matrix,34.1%,Medium,0.9117152787807635, https://leetcode.com/problems/spiral-matrix
 53,Maximum Subarray,46.5%,Easy,0.9028149401651969, https://leetcode.com/problems/maximum-subarray
 74,Search a 2D Matrix,36.5%,Medium,0.9027789280658293, https://leetcode.com/problems/search-a-2d-matrix
 56,Merge Intervals,39.3%,Medium,0.8719401675539429, https://leetcode.com/problems/merge-intervals
 1155,Number of Dice Rolls With Target Sum,49.0%,Medium,0.8666032186425704, https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
 227,Basic Calculator II,36.9%,Medium,0.865227243301703, https://leetcode.com/problems/basic-calculator-ii
 33,Search in Rotated Sorted Array,34.5%,Medium,0.8584888773941517, https://leetcode.com/problems/search-in-rotated-sorted-array
 224,Basic Calculator,36.8%,Hard,0.8569364892249722, https://leetcode.com/problems/basic-calculator
 12,Integer to Roman,55.1%,Medium,0.8496820889352563, https://leetcode.com/problems/integer-to-roman
 815,Bus Routes,42.5%,Hard,0.8477684486311822, https://leetcode.com/problems/bus-routes
 772,Basic Calculator III,41.3%,Hard,0.8430873278508602, https://leetcode.com/problems/basic-calculator-iii
 706,Design HashMap,61.3%,Easy,0.8231356111081237, https://leetcode.com/problems/design-hashmap
 981,Time Based Key-Value Store,53.1%,Medium,0.8180951326968029, https://leetcode.com/problems/time-based-key-value-store
 456,132 Pattern,28.9%,Medium,0.8138174114576592, https://leetcode.com/problems/132-pattern
 759,Employee Free Time,66.2%,Hard,0.8088525092565556, https://leetcode.com/problems/employee-free-time
 437,Path Sum III,47.2%,Medium,0.7976226188683302, https://leetcode.com/problems/path-sum-iii
 503,Next Greater Element II,56.5%,Medium,0.7968165955277405, https://leetcode.com/problems/next-greater-element-ii
 208,Implement Trie (Prefix Tree),49.4%,Medium,0.7928548865863879, https://leetcode.com/problems/implement-trie-prefix-tree
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.7928508522150108, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 97,Interleaving String,31.5%,Hard,0.7716773297315191, https://leetcode.com/problems/interleaving-string
 1091,Shortest Path in Binary Matrix,38.2%,Medium,0.7689762247924476, https://leetcode.com/problems/shortest-path-in-binary-matrix
 173,Binary Search Tree Iterator,56.6%,Medium,0.7549245402561885, https://leetcode.com/problems/binary-search-tree-iterator
 980,Unique Paths III,73.3%,Hard,0.7472144018302211, https://leetcode.com/problems/unique-paths-iii
 277,Find the Celebrity,41.8%,Medium,0.7348429454547184, https://leetcode.com/problems/find-the-celebrity
 496,Next Greater Element I,63.8%,Easy,0.7306413849875257, https://leetcode.com/problems/next-greater-element-i
 535,Encode and Decode TinyURL,79.9%,Medium,0.7284232783609871, https://leetcode.com/problems/encode-and-decode-tinyurl
 4,Median of Two Sorted Arrays,29.6%,Hard,0.7245935911034281, https://leetcode.com/problems/median-of-two-sorted-arrays
 45,Jump Game II,30.6%,Hard,0.7215178776891609, https://leetcode.com/problems/jump-game-ii
 726,Number of Atoms,49.0%,Hard,0.7191226669632059, https://leetcode.com/problems/number-of-atoms
 211,Add and Search Word - Data structure design,38.1%,Medium,0.7175070272224768, https://leetcode.com/problems/add-and-search-word-data-structure-design
 64,Minimum Path Sum,54.5%,Medium,0.7123229317280146, https://leetcode.com/problems/minimum-path-sum
 1044,Longest Duplicate Substring,31.9%,Hard,0.707512950361979, https://leetcode.com/problems/longest-duplicate-substring
 314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.7042169874893927, https://leetcode.com/problems/binary-tree-vertical-order-traversal
 739,Daily Temperatures,63.3%,Medium,0.697297868866036, https://leetcode.com/problems/daily-temperatures
 394,Decode String,50.0%,Medium,0.6892445361899827, https://leetcode.com/problems/decode-string
 323,Number of Connected Components in an Undirected Graph,56.0%,Medium,0.6754476034605444, https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
 449,Serialize and Deserialize BST,52.0%,Medium,0.6727822146017972, https://leetcode.com/problems/serialize-and-deserialize-bst
 403,Frog Jump,39.7%,Hard,0.6655201946784034, https://leetcode.com/problems/frog-jump
 143,Reorder List,37.1%,Medium,0.6644936178538985, https://leetcode.com/problems/reorder-list
 11,Container With Most Water,50.8%,Medium,0.6631685190860763, https://leetcode.com/problems/container-with-most-water
 1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.6563976383512038, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
 640,Solve the Equation,42.0%,Medium,0.648363577932972, https://leetcode.com/problems/solve-the-equation
 895,Maximum Frequency Stack,60.6%,Hard,0.6397557387655486, https://leetcode.com/problems/maximum-frequency-stack
 165,Compare Version Numbers,27.4%,Medium,0.6394004632572682, https://leetcode.com/problems/compare-version-numbers
 210,Course Schedule II,40.7%,Medium,0.6329329320920142, https://leetcode.com/problems/course-schedule-ii
 91,Decode Ways,24.7%,Medium,0.6216605021582633, https://leetcode.com/problems/decode-ways
 767,Reorganize String,48.7%,Medium,0.6188332351820143, https://leetcode.com/problems/reorganize-string
 1219,Path with Maximum Gold,65.1%,Medium,0.6151572787436681, https://leetcode.com/problems/path-with-maximum-gold
 543,Diameter of Binary Tree,48.4%,Easy,0.6049865380663455, https://leetcode.com/problems/diameter-of-binary-tree
 399,Evaluate Division,51.6%,Medium,0.6025713727780729, https://leetcode.com/problems/evaluate-division
 109,Convert Sorted List to Binary Search Tree,47.7%,Medium,0.5978370007556205, https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
 1214,Two Sum BSTs,67.6%,Medium,0.5957174923400869, https://leetcode.com/problems/two-sum-bsts
 721,Accounts Merge,48.8%,Medium,0.5908536653497264, https://leetcode.com/problems/accounts-merge
 445,Add Two Numbers II,54.5%,Medium,0.5844726602120818, https://leetcode.com/problems/add-two-numbers-ii
 55,Jump Game,34.6%,Medium,0.5804024133599197, https://leetcode.com/problems/jump-game
 317,Shortest Distance from All Buildings,41.4%,Hard,0.5785023490481647, https://leetcode.com/problems/shortest-distance-from-all-buildings
 362,Design Hit Counter,63.7%,Medium,0.5752838074863666, https://leetcode.com/problems/design-hit-counter
 634,Find the Derangement of An Array,40.1%,Medium,0.5623075796011341, https://leetcode.com/problems/find-the-derangement-of-an-array
 987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.5577804658218486, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.5575777917297663, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 289,Game of Life,54.5%,Medium,0.552915490474362, https://leetcode.com/problems/game-of-life
 489,Robot Room Cleaner,69.7%,Hard,0.5479829869763493, https://leetcode.com/problems/robot-room-cleaner
 341,Flatten Nested List Iterator,52.9%,Medium,0.5461187395622055, https://leetcode.com/problems/flatten-nested-list-iterator
 93,Restore IP Addresses,35.6%,Medium,0.541488403342866, https://leetcode.com/problems/restore-ip-addresses
 207,Course Schedule,43.1%,Medium,0.5403433580969076, https://leetcode.com/problems/course-schedule
 770,Basic Calculator IV,48.1%,Hard,0.538996500732687, https://leetcode.com/problems/basic-calculator-iv
 480,Sliding Window Median,37.2%,Hard,0.5274955113973754, https://leetcode.com/problems/sliding-window-median
 76,Minimum Window Substring,34.6%,Hard,0.5242373922767427, https://leetcode.com/problems/minimum-window-substring
 1429,First Unique Number,47.0%,Medium,0.5239621016713606, https://leetcode.com/problems/first-unique-number
 622,Design Circular Queue,43.7%,Medium,0.5230167669664014, https://leetcode.com/problems/design-circular-queue
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.5211513032333475, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 206,Reverse Linked List,62.5%,Easy,0.5170143403889669, https://leetcode.com/problems/reverse-linked-list
 215,Kth Largest Element in an Array,55.4%,Medium,0.5073003557203055, https://leetcode.com/problems/kth-largest-element-in-an-array
 347,Top K Frequent Elements,61.2%,Medium,0.504202490273986, https://leetcode.com/problems/top-k-frequent-elements
 22,Generate Parentheses,62.7%,Medium,0.4881938233057933, https://leetcode.com/problems/generate-parentheses
 1236,Web Crawler,64.3%,Medium,0.48550781578170077, https://leetcode.com/problems/web-crawler
 388,Longest Absolute File Path,41.8%,Medium,0.4754236967150748, https://leetcode.com/problems/longest-absolute-file-path
 352,Data Stream as Disjoint Intervals,47.3%,Hard,0.47516062535545167, https://leetcode.com/problems/data-stream-as-disjoint-intervals
 188,Best Time to Buy and Sell Stock IV,28.0%,Hard,0.46969134068857316, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
 116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.4677920544408954, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
 36,Valid Sudoku,48.7%,Medium,0.46376952253193504, https://leetcode.com/problems/valid-sudoku
 1046,Last Stone Weight,62.2%,Easy,0.46111558994152596, https://leetcode.com/problems/last-stone-weight
 98,Validate Binary Search Tree,27.8%,Medium,0.4560506048962707, https://leetcode.com/problems/validate-binary-search-tree
 25,Reverse Nodes in k-Group,42.1%,Hard,0.4557571315683002, https://leetcode.com/problems/reverse-nodes-in-k-group
 465,Optimal Account Balancing,46.9%,Hard,0.44746022914476763, https://leetcode.com/problems/optimal-account-balancing
 221,Maximal Square,37.7%,Medium,0.4439595076531865, https://leetcode.com/problems/maximal-square
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.44128780123683403, https://leetcode.com/problems/binary-tree-maximum-path-sum
 384,Shuffle an Array,52.8%,Medium,0.4403223646462055, https://leetcode.com/problems/shuffle-an-array
 564,Find the Closest Palindrome,19.7%,Hard,0.43712242797885603, https://leetcode.com/problems/find-the-closest-palindrome
 84,Largest Rectangle in Histogram,35.2%,Hard,0.42904427702947245, https://leetcode.com/problems/largest-rectangle-in-histogram
 737,Sentence Similarity II,45.8%,Medium,0.4265185173059967, https://leetcode.com/problems/sentence-similarity-ii
 218,The Skyline Problem,34.6%,Hard,0.42040668810636345, https://leetcode.com/problems/the-skyline-problem
 199,Binary Tree Right Side View,54.1%,Medium,0.41496535680316016, https://leetcode.com/problems/binary-tree-right-side-view
 997,Find the Town Judge,50.1%,Easy,0.41333031719338453, https://leetcode.com/problems/find-the-town-judge
 46,Permutations,63.5%,Medium,0.41293686083744285, https://leetcode.com/problems/permutations
 79,Word Search,35.6%,Medium,0.41227293846941043, https://leetcode.com/problems/word-search
 735,Asteroid Collision,41.0%,Medium,0.4100436801024917, https://leetcode.com/problems/asteroid-collision
 675,Cut Off Trees for Golf Event,34.6%,Hard,0.40225040958769004, https://leetcode.com/problems/cut-off-trees-for-golf-event
 378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.4017523534768937, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
 1011,Capacity To Ship Packages Within D Days,58.1%,Medium,0.3980529335976609, https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
 1335,Minimum Difficulty of a Job Schedule,57.6%,Hard,0.3963047387095001, https://leetcode.com/problems/minimum-difficulty-of-a-job-schedule
 85,Maximal Rectangle,37.7%,Hard,0.3942163955722937, https://leetcode.com/problems/maximal-rectangle
 1197,Minimum Knight Moves,36.1%,Medium,0.39358878405685155, https://leetcode.com/problems/minimum-knight-moves
 688,Knight Probability in Chessboard,48.9%,Medium,0.38977851194046487, https://leetcode.com/problems/knight-probability-in-chessboard
 57,Insert Interval,33.5%,Hard,0.3889321379062142, https://leetcode.com/problems/insert-interval
 1215,Stepping Numbers,41.6%,Medium,0.3856624808119847, https://leetcode.com/problems/stepping-numbers
 1057,Campus Bikes,57.7%,Medium,0.3787139017009125, https://leetcode.com/problems/campus-bikes
 75,Sort Colors,47.3%,Medium,0.3727364556976202, https://leetcode.com/problems/sort-colors
 101,Symmetric Tree,46.8%,Easy,0.372371993620526, https://leetcode.com/problems/symmetric-tree
 1279,Traffic Light Controlled Intersection,74.3%,Easy,0.37117603462953225, https://leetcode.com/problems/traffic-light-controlled-intersection
 336,Palindrome Pairs,33.7%,Hard,0.3591927799310734, https://leetcode.com/problems/palindrome-pairs
 556,Next Greater Element III,31.7%,Medium,0.3584697395147556, https://leetcode.com/problems/next-greater-element-iii
 978,Longest Turbulent Subarray,46.6%,Medium,0.3581093214258754, https://leetcode.com/problems/longest-turbulent-subarray
 1032,Stream of Characters,48.3%,Hard,0.35736199308977074, https://leetcode.com/problems/stream-of-characters
 387,First Unique Character in a String,53.4%,Easy,0.3502477066068738, https://leetcode.com/problems/first-unique-character-in-a-string
 332,Reconstruct Itinerary,36.7%,Medium,0.3499348287861282, https://leetcode.com/problems/reconstruct-itinerary
 628,Maximum Product of Three Numbers,47.1%,Easy,0.3483066942682158, https://leetcode.com/problems/maximum-product-of-three-numbers
 1100,Find K-Length Substrings With No Repeated Characters,72.7%,Medium,0.3483066942682158, https://leetcode.com/problems/find-k-length-substrings-with-no-repeated-characters
 13,Roman to Integer,55.7%,Easy,0.34754876247610755, https://leetcode.com/problems/roman-to-integer
 39,Combination Sum,56.1%,Medium,0.34653485590252786, https://leetcode.com/problems/combination-sum
 312,Burst Balloons,51.8%,Hard,0.3462131701037017, https://leetcode.com/problems/burst-balloons
 529,Minesweeper,59.1%,Medium,0.3416302106614813, https://leetcode.com/problems/minesweeper
 1130,Minimum Cost Tree From Leaf Values,66.1%,Medium,0.33787755363431937, https://leetcode.com/problems/minimum-cost-tree-from-leaf-values
 133,Clone Graph,34.8%,Medium,0.33670563608545373, https://leetcode.com/problems/clone-graph
 287,Find the Duplicate Number,55.5%,Medium,0.33544722224040363, https://leetcode.com/problems/find-the-duplicate-number
 333,Largest BST Subtree,35.8%,Medium,0.32931497055013925, https://leetcode.com/problems/largest-bst-subtree
 560,Subarray Sum Equals K,43.9%,Medium,0.3271780031910384, https://leetcode.com/problems/subarray-sum-equals-k
 32,Longest Valid Parentheses,28.4%,Hard,0.3269467909737243, https://leetcode.com/problems/longest-valid-parentheses
 794,Valid Tic-Tac-Toe State,32.6%,Medium,0.32676342249425205, https://leetcode.com/problems/valid-tic-tac-toe-state
 695,Max Area of Island,62.7%,Medium,0.32657434158263016, https://leetcode.com/problems/max-area-of-island
 518,Coin Change 2,50.2%,Medium,0.32305590883561364, https://leetcode.com/problems/coin-change-2
 901,Online Stock Span,60.2%,Medium,0.3225465062722876, https://leetcode.com/problems/online-stock-span
 547,Friend Circles,58.6%,Medium,0.31641031482435944, https://leetcode.com/problems/friend-circles
 135,Candy,31.6%,Hard,0.3148768941781284, https://leetcode.com/problems/candy
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.3108352169668257, https://leetcode.com/problems/binary-tree-level-order-traversal
 72,Edit Distance,44.8%,Hard,0.30928199098237896, https://leetcode.com/problems/edit-distance
 41,First Missing Positive,32.0%,Hard,0.3088033158177097, https://leetcode.com/problems/first-missing-positive
 185,Department Top Three Salaries,34.5%,Hard,0.3067091029533853, https://leetcode.com/problems/department-top-three-salaries
 10,Regular Expression Matching,26.8%,Hard,0.3026257535192428, https://leetcode.com/problems/regular-expression-matching
 205,Isomorphic Strings,39.8%,Easy,0.30101800626340847, https://leetcode.com/problems/isomorphic-strings
 854,K-Similar Strings,38.2%,Hard,0.3001856330111831, https://leetcode.com/problems/k-similar-strings
 703,Kth Largest Element in a Stream,49.7%,Easy,0.3000268349758617, https://leetcode.com/problems/kth-largest-element-in-a-stream
 1244,Design A Leaderboard,60.7%,Medium,0.29681946470121906, https://leetcode.com/problems/design-a-leaderboard
 1229,Meeting Scheduler,52.7%,Medium,0.2955601745092634, https://leetcode.com/problems/meeting-scheduler
 134,Gas Station,38.5%,Medium,0.29303035974511743, https://leetcode.com/problems/gas-station
 1031,Maximum Sum of Two Non-Overlapping Subarrays,57.9%,Medium,0.2928670946738281, https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays
 1275,Find Winner on a Tic Tac Toe Game,52.8%,Easy,0.2924262358737592, https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
 261,Graph Valid Tree,42.2%,Medium,0.29095999624845137, https://leetcode.com/problems/graph-valid-tree
 1166,Design File System,56.8%,Medium,0.28978070910870213, https://leetcode.com/problems/design-file-system
 417,Pacific Atlantic Water Flow,41.1%,Medium,0.2794243872127994, https://leetcode.com/problems/pacific-atlantic-water-flow
 410,Split Array Largest Sum,44.5%,Hard,0.2778297760087693, https://leetcode.com/problems/split-array-largest-sum
 1172,Dinner Plate Stacks,38.2%,Hard,0.2711095169699942, https://leetcode.com/problems/dinner-plate-stacks
 1120,Maximum Average Subtree,61.9%,Medium,0.2694761079552085, https://leetcode.com/problems/maximum-average-subtree
 409,Longest Palindrome,50.3%,Easy,0.268782121321297, https://leetcode.com/problems/longest-palindrome
 19,Remove Nth Node From End of List,35.2%,Medium,0.2685901769658948, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 426,Convert Binary Search Tree to Sorted Doubly Linked List,59.1%,Medium,0.2625527836498761, https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
 18,4Sum,33.7%,Medium,0.26175539010512316, https://leetcode.com/problems/4sum
 1139,Largest 1-Bordered Square,47.5%,Medium,0.26159729523649006, https://leetcode.com/problems/largest-1-bordered-square
 300,Longest Increasing Subsequence,42.6%,Medium,0.25998614206252363, https://leetcode.com/problems/longest-increasing-subsequence
 37,Sudoku Solver,43.6%,Hard,0.2578291093020998, https://leetcode.com/problems/sudoku-solver
 632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.2574120081490246, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
 177,Nth Highest Salary,31.4%,Medium,0.25708853309999324, https://leetcode.com/problems/nth-highest-salary
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.2567607594720918, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 466,Count The Repetitions,28.2%,Hard,0.2561688067457042, https://leetcode.com/problems/count-the-repetitions
 286,Walls and Gates,54.5%,Medium,0.2531417471996048, https://leetcode.com/problems/walls-and-gates
 187,Repeated DNA Sequences,38.9%,Medium,0.2529118727100632, https://leetcode.com/problems/repeated-dna-sequences
 48,Rotate Image,56.7%,Medium,0.2525907526405108, https://leetcode.com/problems/rotate-image
 96,Unique Binary Search Trees,52.9%,Medium,0.24754171650095222, https://leetcode.com/problems/unique-binary-search-trees
 1066,Campus Bikes II,54.2%,Medium,0.24445333790096083, https://leetcode.com/problems/campus-bikes-ii
 128,Longest Consecutive Sequence,45.1%,Hard,0.24299520815961717, https://leetcode.com/problems/longest-consecutive-sequence
 153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.24048987826096146, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
 775,Global and Local Inversions,42.1%,Medium,0.23922968906583414, https://leetcode.com/problems/global-and-local-inversions
 120,Triangle,44.2%,Medium,0.23887525258068545, https://leetcode.com/problems/triangle
 176,Second Highest Salary,31.6%,Easy,0.2367792886617929, https://leetcode.com/problems/second-highest-salary
 296,Best Meeting Point,57.5%,Hard,0.23670108287626285, https://leetcode.com/problems/best-meeting-point
 51,N-Queens,46.6%,Hard,0.2346473757956944, https://leetcode.com/problems/n-queens
 1188,Design Bounded Blocking Queue,70.5%,Medium,0.23300728083654992, https://leetcode.com/problems/design-bounded-blocking-queue
 1094,Car Pooling,56.7%,Medium,0.2280495300830642, https://leetcode.com/problems/car-pooling
 682,Baseball Game,63.7%,Easy,0.22057361810180773, https://leetcode.com/problems/baseball-game
 29,Divide Two Integers,16.4%,Medium,0.2188530145453416, https://leetcode.com/problems/divide-two-integers
 1122,Relative Sort Array,67.7%,Easy,0.21796115980722663, https://leetcode.com/problems/relative-sort-array
 939,Minimum Area Rectangle,51.8%,Medium,0.2169226914391073, https://leetcode.com/problems/minimum-area-rectangle
 192,Word Frequency,25.8%,Medium,0.21614863444241852, https://leetcode.com/problems/word-frequency
 373,Find K Pairs with Smallest Sums,36.7%,Medium,0.21472498084861397, https://leetcode.com/problems/find-k-pairs-with-smallest-sums
 442,Find All Duplicates in an Array,67.8%,Medium,0.21334822899856468, https://leetcode.com/problems/find-all-duplicates-in-an-array
 152,Maximum Product Subarray,31.7%,Medium,0.21257635189056073, https://leetcode.com/problems/maximum-product-subarray
 356,Line Reflection,31.8%,Medium,0.2124355370417375, https://leetcode.com/problems/line-reflection
 229,Majority Element II,35.6%,Medium,0.21162970925187066, https://leetcode.com/problems/majority-element-ii
 1135,Connecting Cities With Minimum Cost,57.5%,Medium,0.21056476910734964, https://leetcode.com/problems/connecting-cities-with-minimum-cost
 117,Populating Next Right Pointers in Each Node II,39.1%,Medium,0.20860539286818253, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
 169,Majority Element,58.7%,Easy,0.2079562741042954, https://leetcode.com/problems/majority-element
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.2064707887143865, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 1004,Max Consecutive Ones III,59.1%,Medium,0.20643953436639223, https://leetcode.com/problems/max-consecutive-ones-iii
 148,Sort List,42.3%,Medium,0.20552445387361853, https://leetcode.com/problems/sort-list
 179,Largest Number,28.8%,Medium,0.20162217031985052, https://leetcode.com/problems/largest-number
 542,01 Matrix,39.8%,Medium,0.2005882722187499, https://leetcode.com/problems/01-matrix
 1143,Longest Common Subsequence,58.4%,Medium,0.20038826657183323, https://leetcode.com/problems/longest-common-subsequence
 63,Unique Paths II,34.6%,Medium,0.19784257168907113, https://leetcode.com/problems/unique-paths-ii
 690,Employee Importance,57.3%,Easy,0.19768561861869782, https://leetcode.com/problems/employee-importance
 1315,Sum of Nodes with Even-Valued Grandparent,83.5%,Medium,0.19757677034220278, https://leetcode.com/problems/sum-of-nodes-with-even-valued-grandparent
 88,Merge Sorted Array,39.4%,Easy,0.19706016197271087, https://leetcode.com/problems/merge-sorted-array
 31,Next Permutation,32.6%,Medium,0.19579797845713617, https://leetcode.com/problems/next-permutation
 1360,Number of Days Between Two Dates,48.8%,Easy,0.19578302313828744, https://leetcode.com/problems/number-of-days-between-two-dates
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.19478832555908462, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 73,Set Matrix Zeroes,43.1%,Medium,0.19305803523368698, https://leetcode.com/problems/set-matrix-zeroes
 272,Closest Binary Search Tree Value II,50.5%,Hard,0.1920777317393193, https://leetcode.com/problems/closest-binary-search-tree-value-ii
 1198,Find Smallest Common Element in All Rows,74.9%,Medium,0.19105523676270922, https://leetcode.com/problems/find-smallest-common-element-in-all-rows
 756,Pyramid Transition Matrix,54.6%,Medium,0.19105523676270922, https://leetcode.com/problems/pyramid-transition-matrix
 678,Valid Parenthesis String,31.0%,Medium,0.1879537610768114, https://leetcode.com/problems/valid-parenthesis-string
 438,Find All Anagrams in a String,43.3%,Medium,0.18564799141482685, https://leetcode.com/problems/find-all-anagrams-in-a-string
 262,Trips and Users,32.7%,Hard,0.18557888866426112, https://leetcode.com/problems/trips-and-users
 71,Simplify Path,32.6%,Medium,0.18300438372386543, https://leetcode.com/problems/simplify-path
 113,Path Sum II,46.7%,Medium,0.181583821607415, https://leetcode.com/problems/path-sum-ii
 59,Spiral Matrix II,53.9%,Medium,0.1781345304397381, https://leetcode.com/problems/spiral-matrix-ii
 473,Matchsticks to Square,37.7%,Medium,0.17589066646366422, https://leetcode.com/problems/matchsticks-to-square
 230,Kth Smallest Element in a BST,60.2%,Medium,0.17586503601879516, https://leetcode.com/problems/kth-smallest-element-in-a-bst
 234,Palindrome Linked List,39.3%,Easy,0.17561579569700486, https://leetcode.com/problems/palindrome-linked-list
 698,Partition to K Equal Sum Subsets,45.0%,Medium,0.1755467047088198, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
 701,Insert into a Binary Search Tree,77.7%,Medium,0.17532280369452244, https://leetcode.com/problems/insert-into-a-binary-search-tree
 636,Exclusive Time of Functions,52.0%,Medium,0.17494800586305592, https://leetcode.com/problems/exclusive-time-of-functions
 453,Minimum Moves to Equal Array Elements,50.2%,Easy,0.17435338714477774, https://leetcode.com/problems/minimum-moves-to-equal-array-elements
 419,Battleships in a Board,70.0%,Medium,0.1724841713694404, https://leetcode.com/problems/battleships-in-a-board
 8,String to Integer (atoi),15.4%,Medium,0.1707447178638203, https://leetcode.com/problems/string-to-integer-atoi
 1430,Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree,44.8%,Medium,0.16917873135476025, https://leetcode.com/problems/check-if-a-string-is-a-valid-sequence-from-root-to-leaves-path-in-a-binary-tree
 805,Split Array With Same Average,26.4%,Hard,0.16635770580494058, https://leetcode.com/problems/split-array-with-same-average
 963,Minimum Area Rectangle II,50.9%,Medium,0.16635770580494058, https://leetcode.com/problems/minimum-area-rectangle-ii
 785,Is Graph Bipartite?,47.5%,Medium,0.16618451939098186, https://leetcode.com/problems/is-graph-bipartite
 301,Remove Invalid Parentheses,43.3%,Hard,0.16424785299136993, https://leetcode.com/problems/remove-invalid-parentheses
 715,Range Module,38.5%,Hard,0.1636294237818021, https://leetcode.com/problems/range-module
 881,Boats to Save People,46.8%,Medium,0.16229864091884685, https://leetcode.com/problems/boats-to-save-people
 242,Valid Anagram,56.9%,Easy,0.1620140669319784, https://leetcode.com/problems/valid-anagram
 653,Two Sum IV - Input is a BST,55.5%,Easy,0.16169480776777312, https://leetcode.com/problems/two-sum-iv-input-is-a-bst
 68,Text Justification,27.7%,Hard,0.16143214434637243, https://leetcode.com/problems/text-justification
 540,Single Element in a Sorted Array,57.9%,Medium,0.16091725953613234, https://leetcode.com/problems/single-element-in-a-sorted-array
 716,Max Stack,42.6%,Easy,0.16082720489992372, https://leetcode.com/problems/max-stack
 150,Evaluate Reverse Polish Notation,36.3%,Medium,0.16073798512678014, https://leetcode.com/problems/evaluate-reverse-polish-notation
 611,Valid Triangle Number,48.4%,Medium,0.1603426500751794, https://leetcode.com/problems/valid-triangle-number
 1373,Maximum Sum BST in Binary Tree,40.2%,Hard,0.1599143845440084, https://leetcode.com/problems/maximum-sum-bst-in-binary-tree
 1010,Pairs of Songs With Total Durations Divisible by 60,47.4%,Easy,0.15765117803680806, https://leetcode.com/problems/pairs-of-songs-with-total-durations-divisible-by-60
 335,Self Crossing,28.0%,Hard,0.15535044001916237, https://leetcode.com/problems/self-crossing
 647,Palindromic Substrings,60.6%,Medium,0.154673282399905, https://leetcode.com/problems/palindromic-substrings
 62,Unique Paths,54.1%,Medium,0.15421684583780285, https://leetcode.com/problems/unique-paths
 1074,Number of Submatrices That Sum to Target,60.4%,Hard,0.1536233927072112, https://leetcode.com/problems/number-of-submatrices-that-sum-to-target
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.15294542476994444, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 1084,Sales Analysis III,54.3%,Easy,0.15232085315018215, https://leetcode.com/problems/sales-analysis-iii
 1242,Web Crawler Multithreaded,45.9%,Medium,0.14953173397096375, https://leetcode.com/problems/web-crawler-multithreaded
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.1483524778541147, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 538,Convert BST to Greater Tree,55.4%,Easy,0.14526651855317063, https://leetcode.com/problems/convert-bst-to-greater-tree
 270,Closest Binary Search Tree Value,48.5%,Easy,0.1444815825552332, https://leetcode.com/problems/closest-binary-search-tree-value
 310,Minimum Height Trees,32.3%,Medium,0.143926096421159, https://leetcode.com/problems/minimum-height-trees
 415,Add Strings,47.5%,Easy,0.14343082219506165, https://leetcode.com/problems/add-strings
 836,Rectangle Overlap,48.6%,Easy,0.14261022668001652, https://leetcode.com/problems/rectangle-overlap
 16,3Sum Closest,46.0%,Medium,0.14234512850929823, https://leetcode.com/problems/3sum-closest
 1083,Sales Analysis II,50.5%,Easy,0.1417462887434142, https://leetcode.com/problems/sales-analysis-ii
 992,Subarrays with K Different Integers,48.6%,Hard,0.14045833549672154, https://leetcode.com/problems/subarrays-with-k-different-integers
 354,Russian Doll Envelopes,35.6%,Hard,0.13850969523609932, https://leetcode.com/problems/russian-doll-envelopes
 130,Surrounded Regions,28.1%,Medium,0.13754829150296946, https://leetcode.com/problems/surrounded-regions
 349,Intersection of Two Arrays,62.5%,Easy,0.13745763880299086, https://leetcode.com/problems/intersection-of-two-arrays
 1161,Maximum Level Sum of a Binary Tree,72.2%,Medium,0.13727657783562877, https://leetcode.com/problems/maximum-level-sum-of-a-binary-tree
 340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.13652366061094043, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
 427,Construct Quad Tree,61.4%,Medium,0.13580154115906176, https://leetcode.com/problems/construct-quad-tree
 1405,Longest Happy String,49.0%,Medium,0.1343297958605471, https://leetcode.com/problems/longest-happy-string
 732,My Calendar III,60.0%,Hard,0.13397932096347895, https://leetcode.com/problems/my-calendar-iii
 86,Partition List,41.5%,Medium,0.1338296774887775, https://leetcode.com/problems/partition-list
 1007,Minimum Domino Rotations For Equal Row,50.0%,Medium,0.1318780442181351, https://leetcode.com/problems/minimum-domino-rotations-for-equal-row
 307,Range Sum Query - Mutable,34.6%,Medium,0.1314916521599796, https://leetcode.com/problems/range-sum-query-mutable
 1002,Find Common Characters,67.6%,Easy,0.12972461775871938, https://leetcode.com/problems/find-common-characters
 1117,Building H2O,52.6%,Medium,0.12796988096337653, https://leetcode.com/problems/building-h2o
 528,Random Pick with Weight,43.9%,Medium,0.12617342152539626, https://leetcode.com/problems/random-pick-with-weight
 78,Subsets,62.0%,Medium,0.12486971572185374, https://leetcode.com/problems/subsets
 873,Length of Longest Fibonacci Subsequence,48.0%,Medium,0.12378418901663191, https://leetcode.com/problems/length-of-longest-fibonacci-subsequence
 844,Backspace String Compare,46.4%,Easy,0.12201137176590456, https://leetcode.com/problems/backspace-string-compare
 92,Reverse Linked List II,38.8%,Medium,0.12080664535613118, https://leetcode.com/problems/reverse-linked-list-ii
 202,Happy Number,50.4%,Easy,0.11982401289364229, https://leetcode.com/problems/happy-number
 525,Contiguous Array,42.8%,Medium,0.11750591219610916, https://leetcode.com/problems/contiguous-array
 44,Wildcard Matching,24.7%,Hard,0.11705454991590605, https://leetcode.com/problems/wildcard-matching
 6,ZigZag Conversion,36.3%,Medium,0.11677183708486526, https://leetcode.com/problems/zigzag-conversion
 368,Largest Divisible Subset,38.0%,Medium,0.11624101530456815, https://leetcode.com/problems/largest-divisible-subset
 268,Missing Number,51.7%,Easy,0.11538834636572094, https://leetcode.com/problems/missing-number
 283,Move Zeroes,57.8%,Easy,0.11518710330017225, https://leetcode.com/problems/move-zeroes
 1375,Bulb Switcher III,62.6%,Medium,0.11506932978478719, https://leetcode.com/problems/bulb-switcher-iii
 339,Nested List Weight Sum,74.0%,Easy,0.11351649636962678, https://leetcode.com/problems/nested-list-weight-sum
 451,Sort Characters By Frequency,63.0%,Medium,0.11258362132121401, https://leetcode.com/problems/sort-characters-by-frequency
 787,Cheapest Flights Within K Stops,39.3%,Medium,0.11222526033403632, https://leetcode.com/problems/cheapest-flights-within-k-stops
 1008,Construct Binary Search Tree from Preorder Traversal,78.4%,Medium,0.11004936619718413, https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal
 181,Employees Earning More Than Their Managers,56.9%,Easy,0.10821358464023274, https://leetcode.com/problems/employees-earning-more-than-their-managers
 321,Create Maximum Number,27.0%,Hard,0.10821358464023274, https://leetcode.com/problems/create-maximum-number
 509,Fibonacci Number,67.2%,Easy,0.1081586674964596, https://leetcode.com/problems/fibonacci-number
 969,Pancake Sorting,67.5%,Medium,0.10724553035359762, https://leetcode.com/problems/pancake-sorting
 966,Vowel Spellchecker,47.2%,Medium,0.10676797542570607, https://leetcode.com/problems/vowel-spellchecker
 1153,String Transforms Into Another String,35.8%,Hard,0.10623186692973738, https://leetcode.com/problems/string-transforms-into-another-string
 498,Diagonal Traverse,48.2%,Medium,0.10598924878133596, https://leetcode.com/problems/diagonal-traverse
 112,Path Sum,41.2%,Easy,0.10531937947649221, https://leetcode.com/problems/path-sum
 407,Trapping Rain Water II,42.4%,Hard,0.10486899438963619, https://leetcode.com/problems/trapping-rain-water-ii
 1013,Partition Array Into Three Parts With Equal Sum,51.8%,Easy,0.10294796925244239, https://leetcode.com/problems/partition-array-into-three-parts-with-equal-sum
 986,Interval List Intersections,67.3%,Medium,0.10288907161978299, https://leetcode.com/problems/interval-list-intersections
 337,House Robber III,50.6%,Medium,0.10284435451079782, https://leetcode.com/problems/house-robber-iii
 402,Remove K Digits,28.4%,Medium,0.10101435005393304, https://leetcode.com/problems/remove-k-digits
 264,Ugly Number II,42.0%,Medium,0.09988890602718599, https://leetcode.com/problems/ugly-number-ii
 843,Guess the Word,46.1%,Hard,0.09952959534703311, https://leetcode.com/problems/guess-the-word
 1162,As Far from Land as Possible,43.5%,Medium,0.09876441467241241, https://leetcode.com/problems/as-far-from-land-as-possible
 1202,Smallest String With Swaps,46.5%,Medium,0.09740053011838201, https://leetcode.com/problems/smallest-string-with-swaps
 849,Maximize Distance to Closest Person,42.6%,Easy,0.09669362480247104, https://leetcode.com/problems/maximize-distance-to-closest-person
 235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.09628480221531907, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
 14,Longest Common Prefix,35.4%,Easy,0.09586181640315415, https://leetcode.com/problems/longest-common-prefix
 390,Elimination Game,44.5%,Medium,0.09576690509200843, https://leetcode.com/problems/elimination-game
 579,Find Cumulative Salary of an Employee,37.0%,Hard,0.0955379961853079, https://leetcode.com/problems/find-cumulative-salary-of-an-employee
 983,Minimum Cost For Tickets,60.5%,Medium,0.09525339549949145, https://leetcode.com/problems/minimum-cost-for-tickets
 233,Number of Digit One,31.3%,Hard,0.09463320809845266, https://leetcode.com/problems/number-of-digit-one
 463,Island Perimeter,65.7%,Easy,0.0943601559822778, https://leetcode.com/problems/island-perimeter
 132,Palindrome Partitioning II,30.2%,Hard,0.0943539685775445, https://leetcode.com/problems/palindrome-partitioning-ii
 827,Making A Large Island,45.7%,Hard,0.09287412500644375, https://leetcode.com/problems/making-a-large-island
 70,Climbing Stairs,47.8%,Easy,0.09222789908966633, https://leetcode.com/problems/climbing-stairs
 1062,Longest Repeating Substring,57.2%,Medium,0.09201889872025212, https://leetcode.com/problems/longest-repeating-substring
 430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,0.09115618648618105, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
 252,Meeting Rooms,54.6%,Easy,0.09020195522698488, https://leetcode.com/problems/meeting-rooms
 516,Longest Palindromic Subsequence,53.2%,Medium,0.08985926725218181, https://leetcode.com/problems/longest-palindromic-subsequence
 243,Shortest Word Distance,61.0%,Easy,0.08952296190665864, https://leetcode.com/problems/shortest-word-distance
 652,Find Duplicate Subtrees,50.2%,Medium,0.08907963005368878, https://leetcode.com/problems/find-duplicate-subtrees
 995,Minimum Number of K Consecutive Bit Flips,46.8%,Hard,0.08894748601649616, https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips
 686,Repeated String Match,32.3%,Easy,0.08751937801655657, https://leetcode.com/problems/repeated-string-match
 285,Inorder Successor in BST,40.4%,Medium,0.08649364464568089, https://leetcode.com/problems/inorder-successor-in-bst
 1247,Minimum Swaps to Make Strings Equal,60.1%,Medium,0.08626034428440695, https://leetcode.com/problems/minimum-swaps-to-make-strings-equal
 61,Rotate List,30.0%,Medium,0.08597176778902096, https://leetcode.com/problems/rotate-list
 916,Word Subsets,47.8%,Medium,0.08479653666007693, https://leetcode.com/problems/word-subsets
 443,String Compression,41.3%,Easy,0.08391368024915737, https://leetcode.com/problems/string-compression
 131,Palindrome Partitioning,47.5%,Medium,0.08388550716227433, https://leetcode.com/problems/palindrome-partitioning
 1019,Next Greater Node In Linked List,57.4%,Medium,0.08373089291046797, https://leetcode.com/problems/next-greater-node-in-linked-list
 1245,Tree Diameter,60.1%,Medium,0.08338160893905106, https://leetcode.com/problems/tree-diameter
 110,Balanced Binary Tree,43.5%,Easy,0.0828596109446498, https://leetcode.com/problems/balanced-binary-tree
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.08268327002043342, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 359,Logger Rate Limiter,70.8%,Easy,0.08167803101426718, https://leetcode.com/problems/logger-rate-limiter
 94,Binary Tree Inorder Traversal,63.3%,Medium,0.08067588488738961, https://leetcode.com/problems/binary-tree-inorder-traversal
 581,Shortest Unsorted Continuous Subarray,31.1%,Easy,0.08061081614588511, https://leetcode.com/problems/shortest-unsorted-continuous-subarray
 350,Intersection of Two Arrays II,51.4%,Easy,0.08027374155116185, https://leetcode.com/problems/intersection-of-two-arrays-ii
 729,My Calendar I,51.8%,Medium,0.0801854119192299, https://leetcode.com/problems/my-calendar-i
 279,Perfect Squares,47.4%,Medium,0.08004270767353643, https://leetcode.com/problems/perfect-squares
 1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.07986504044378952, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
 161,One Edit Distance,32.3%,Medium,0.07982960165248484, https://leetcode.com/problems/one-edit-distance
 875,Koko Eating Bananas,52.1%,Medium,0.07919704166119315, https://leetcode.com/problems/koko-eating-bananas
 1047,Remove All Adjacent Duplicates In String,68.6%,Easy,0.0789551324793932, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string
 69,Sqrt(x),33.9%,Easy,0.07866461906091221, https://leetcode.com/problems/sqrtx
 1254,Number of Closed Islands,60.5%,Medium,0.07796154146971186, https://leetcode.com/problems/number-of-closed-islands
 1104,Path In Zigzag Labelled Binary Tree,72.0%,Medium,0.07786032177227234, https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree
 1024,Video Stitching,49.2%,Medium,0.07710947515747849, https://leetcode.com/problems/video-stitching
 129,Sum Root to Leaf Numbers,49.1%,Medium,0.07707974254287937, https://leetcode.com/problems/sum-root-to-leaf-numbers
 852,Peak Index in a Mountain Array,71.6%,Easy,0.07637297878457401, https://leetcode.com/problems/peak-index-in-a-mountain-array
 468,Validate IP Address,24.1%,Medium,0.07598590697792203, https://leetcode.com/problems/validate-ip-address
 137,Single Number II,52.4%,Medium,0.07583984694698977, https://leetcode.com/problems/single-number-ii
 214,Shortest Palindrome,29.8%,Hard,0.0753494372417868, https://leetcode.com/problems/shortest-palindrome
 183,Customers Who Never Order,53.4%,Easy,0.07513295051837407, https://leetcode.com/problems/customers-who-never-order
 515,Find Largest Value in Each Tree Row,61.1%,Medium,0.07428007438287054, https://leetcode.com/problems/find-largest-value-in-each-tree-row
 974,Subarray Sums Divisible by K,48.9%,Medium,0.07423027387221347, https://leetcode.com/problems/subarray-sums-divisible-by-k
 1022,Sum of Root To Leaf Binary Numbers,67.2%,Easy,0.07410797215372188, https://leetcode.com/problems/sum-of-root-to-leaf-binary-numbers
 209,Minimum Size Subarray Sum,38.2%,Medium,0.07329286546547308, https://leetcode.com/problems/minimum-size-subarray-sum
 184,Department Highest Salary,36.7%,Medium,0.07292523990467245, https://leetcode.com/problems/department-highest-salary
 539,Minimum Time Difference,51.5%,Medium,0.07236429254889504, https://leetcode.com/problems/minimum-time-difference
 860,Lemonade Change,51.6%,Easy,0.07208884919207953, https://leetcode.com/problems/lemonade-change
 351,Android Unlock Patterns,48.4%,Medium,0.07197349962508924, https://leetcode.com/problems/android-unlock-patterns
 523,Continuous Subarray Sum,24.6%,Medium,0.07166389251403688, https://leetcode.com/problems/continuous-subarray-sum
 81,Search in Rotated Sorted Array II,33.0%,Medium,0.07091146875905202, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
 570,Managers with at Least 5 Direct Reports,66.0%,Medium,0.07020425867324853, https://leetcode.com/problems/managers-with-at-least-5-direct-reports
 1146,Snapshot Array,37.0%,Medium,0.07017687679183775, https://leetcode.com/problems/snapshot-array
 228,Summary Ranges,39.5%,Medium,0.06968763142190673, https://leetcode.com/problems/summary-ranges
 136,Single Number,65.5%,Easy,0.0693807551554477, https://leetcode.com/problems/single-number
 90,Subsets II,47.1%,Medium,0.06927977437229342, https://leetcode.com/problems/subsets-ii
 432,All O`one Data Structure,32.4%,Hard,0.06887402901251127, https://leetcode.com/problems/all-oone-data-structure
 284,Peeking Iterator,45.7%,Medium,0.06867686579621939, https://leetcode.com/problems/peeking-iterator
 141,Linked List Cycle,41.1%,Easy,0.06847358948474051, https://leetcode.com/problems/linked-list-cycle
 1081,Smallest Subsequence of Distinct Characters,50.4%,Medium,0.06840272688440052, https://leetcode.com/problems/smallest-subsequence-of-distinct-characters
 232,Implement Queue using Stacks,49.6%,Easy,0.06827657958623828, https://leetcode.com/problems/implement-queue-using-stacks
 163,Missing Ranges,24.3%,Medium,0.06820825002653358, https://leetcode.com/problems/missing-ranges
 1060,Missing Element in Sorted Array,54.5%,Medium,0.06796670413163937, https://leetcode.com/problems/missing-element-in-sorted-array
 993,Cousins in Binary Tree,52.0%,Easy,0.06790898756146661, https://leetcode.com/problems/cousins-in-binary-tree
 316,Remove Duplicate Letters,35.8%,Hard,0.067239661116769, https://leetcode.com/problems/remove-duplicate-letters
 50,Pow(x, n),30.3%,Medium,0.06647190010502257, https://leetcode.com/problems/powx-n
 584,Find Customer Referee,72.3%,Easy,0.06592172080482424, https://leetcode.com/problems/find-customer-referee
 662,Maximum Width of Binary Tree,41.0%,Medium,0.06560589270959301, https://leetcode.com/problems/maximum-width-of-binary-tree
 178,Rank Scores,45.8%,Medium,0.06551667145414991, https://leetcode.com/problems/rank-scores
 226,Invert Binary Tree,65.0%,Easy,0.06547015000263501, https://leetcode.com/problems/invert-binary-tree
 167,Two Sum II - Input array is sorted,54.1%,Easy,0.06546140041370939, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
 298,Binary Tree Longest Consecutive Sequence,47.1%,Medium,0.065169635074581, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence
 1270,All People Report to the Given Manager,87.1%,Medium,0.06412452816953867, https://leetcode.com/problems/all-people-report-to-the-given-manager
 1005,Maximize Sum Of Array After K Negations,51.3%,Easy,0.06371581438610768, https://leetcode.com/problems/maximize-sum-of-array-after-k-negations
 257,Binary Tree Paths,51.5%,Easy,0.06363469625372709, https://leetcode.com/problems/binary-tree-paths
 702,Search in a Sorted Array of Unknown Size,66.9%,Medium,0.06361444899419297, https://leetcode.com/problems/search-in-a-sorted-array-of-unknown-size
 299,Bulls and Cows,42.4%,Easy,0.0633875522784949, https://leetcode.com/problems/bulls-and-cows
 397,Integer Replacement,32.9%,Medium,0.06331227941432688, https://leetcode.com/problems/integer-replacement
 413,Arithmetic Slices,57.9%,Medium,0.06286986221654821, https://leetcode.com/problems/arithmetic-slices
 1299,Replace Elements with Greatest Element on Right Side,75.4%,Easy,0.06197770027589752, https://leetcode.com/problems/replace-elements-with-greatest-element-on-right-side
 204,Count Primes,31.5%,Easy,0.06191798620391749, https://leetcode.com/problems/count-primes
 801,Minimum Swaps To Make Sequences Increasing,38.9%,Medium,0.06146327443046864, https://leetcode.com/problems/minimum-swaps-to-make-sequences-increasing
 938,Range Sum of BST,81.3%,Easy,0.06140035686425664, https://leetcode.com/problems/range-sum-of-bst
 28,Implement strStr(),34.5%,Easy,0.061298390181781764, https://leetcode.com/problems/implement-strstr
 420,Strong Password Checker,14.0%,Hard,0.061087691979838175, https://leetcode.com/problems/strong-password-checker
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.06042105947476499, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 567,Permutation in String,44.4%,Medium,0.05849620668160855, https://leetcode.com/problems/permutation-in-string
 160,Intersection of Two Linked Lists,40.6%,Easy,0.05844735064567987, https://leetcode.com/problems/intersection-of-two-linked-lists
 52,N-Queens II,57.9%,Hard,0.058155920157074034, https://leetcode.com/problems/n-queens-ii
 164,Maximum Gap,35.5%,Hard,0.05790329283155908, https://leetcode.com/problems/maximum-gap
 1233,Remove Sub-Folders from the Filesystem,59.5%,Medium,0.057076831135436705, https://leetcode.com/problems/remove-sub-folders-from-the-filesystem
 106,Construct Binary Tree from Inorder and Postorder Traversal,47.2%,Medium,0.05692732601741117, https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
 586,Customer Placing the Largest Number of Orders,73.0%,Easy,0.0568334747631659, https://leetcode.com/problems/customer-placing-the-largest-number-of-orders
 741,Cherry Pickup,33.9%,Hard,0.056512210263342307, https://leetcode.com/problems/cherry-pickup
 862,Shortest Subarray with Sum at Least K,24.6%,Hard,0.056264838586137754, https://leetcode.com/problems/shortest-subarray-with-sum-at-least-k
 541,Reverse String II,48.4%,Easy,0.05615948403872344, https://leetcode.com/problems/reverse-string-ii
 951,Flip Equivalent Binary Trees,65.8%,Medium,0.05598476739954757, https://leetcode.com/problems/flip-equivalent-binary-trees
 83,Remove Duplicates from Sorted List,45.4%,Easy,0.055776537457411894, https://leetcode.com/problems/remove-duplicates-from-sorted-list
 421,Maximum XOR of Two Numbers in an Array,53.5%,Medium,0.055569851154810765, https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array
 366,Find Leaves of Binary Tree,70.6%,Medium,0.05526267867504946, https://leetcode.com/problems/find-leaves-of-binary-tree
 30,Substring with Concatenation of All Words,25.4%,Hard,0.05509349054082484, https://leetcode.com/problems/substring-with-concatenation-of-all-words
 149,Max Points on a Line,16.9%,Hard,0.0550597771830274, https://leetcode.com/problems/max-points-on-a-line
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.05499247412856504, https://leetcode.com/problems/maximum-depth-of-binary-tree
 222,Count Complete Tree Nodes,46.8%,Medium,0.05492114472894792, https://leetcode.com/problems/count-complete-tree-nodes
 839,Similar String Groups,38.6%,Hard,0.05480823649499502, https://leetcode.com/problems/similar-string-groups
 304,Range Sum Query 2D - Immutable,38.6%,Medium,0.054527987071175225, https://leetcode.com/problems/range-sum-query-2d-immutable
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.05371219359052555, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 708,Insert into a Sorted Circular Linked List,31.6%,Medium,0.05142521180743711, https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
 65,Valid Number,15.3%,Hard,0.05071509257901641, https://leetcode.com/problems/valid-number
 1339,Maximum Product of Splitted Binary Tree,37.2%,Medium,0.05064373281875492, https://leetcode.com/problems/maximum-product-of-splitted-binary-tree
 681,Next Closest Time,45.0%,Medium,0.05045206096038863, https://leetcode.com/problems/next-closest-time
 382,Linked List Random Node,52.1%,Medium,0.05045206096038863, https://leetcode.com/problems/linked-list-random-node
 743,Network Delay Time,45.0%,Medium,0.05002606023684499, https://leetcode.com/problems/network-delay-time
 100,Same Tree,53.4%,Easy,0.049479328471840896, https://leetcode.com/problems/same-tree
 889,Construct Binary Tree from Preorder and Postorder Traversal,66.2%,Medium,0.04902942724031861, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal
 1267,Count Servers that Communicate,57.9%,Medium,0.04902942724031861, https://leetcode.com/problems/count-servers-that-communicate
 189,Rotate Array,34.7%,Easy,0.04828048261319787, https://leetcode.com/problems/rotate-array
 38,Count and Say,44.6%,Easy,0.04795702191135356, https://leetcode.com/problems/count-and-say
 841,Keys and Rooms,64.3%,Medium,0.04757768320775592, https://leetcode.com/problems/keys-and-rooms
 486,Predict the Winner,47.9%,Medium,0.047122970130097065, https://leetcode.com/problems/predict-the-winner
 977,Squares of a Sorted Array,72.1%,Easy,0.046652914831048324, https://leetcode.com/problems/squares-of-a-sorted-array
 621,Task Scheduler,50.1%,Medium,0.04638413032188776, https://leetcode.com/problems/task-scheduler
 1248,Count Number of Nice Subarrays,56.4%,Medium,0.04593229889743518, https://leetcode.com/problems/count-number-of-nice-subarrays
 609,Find Duplicate File in System,59.5%,Medium,0.045205436768046794, https://leetcode.com/problems/find-duplicate-file-in-system
 784,Letter Case Permutation,64.6%,Medium,0.045030118720867006, https://leetcode.com/problems/letter-case-permutation
 1108,Defanging an IP Address,87.5%,Easy,0.044971606629326595, https://leetcode.com/problems/defanging-an-ip-address
 325,Maximum Size Subarray Sum Equals k,46.8%,Medium,0.04495138786226632, https://leetcode.com/problems/maximum-size-subarray-sum-equals-k
 180,Consecutive Numbers,39.7%,Medium,0.044917730294359005, https://leetcode.com/problems/consecutive-numbers
 1382,Balance a Binary Search Tree,74.8%,Medium,0.04480032475536626, https://leetcode.com/problems/balance-a-binary-search-tree
 412,Fizz Buzz,62.3%,Easy,0.04396698989626337, https://leetcode.com/problems/fizz-buzz
 435,Non-overlapping Intervals,42.9%,Medium,0.04325518123147988, https://leetcode.com/problems/non-overlapping-intervals
 559,Maximum Depth of N-ary Tree,68.7%,Easy,0.04319159858277399, https://leetcode.com/problems/maximum-depth-of-n-ary-tree
 727,Minimum Window Subsequence,41.8%,Hard,0.04237922296886145, https://leetcode.com/problems/minimum-window-subsequence
 266,Palindrome Permutation,61.9%,Easy,0.04158603377810283, https://leetcode.com/problems/palindrome-permutation
 507,Perfect Number,35.5%,Easy,0.041499730906752734, https://leetcode.com/problems/perfect-number
 450,Delete Node in a BST,43.1%,Medium,0.041233509462184105, https://leetcode.com/problems/delete-node-in-a-bst
 918,Maximum Sum Circular Subarray,33.7%,Medium,0.04045040846284272, https://leetcode.com/problems/maximum-sum-circular-subarray
 406,Queue Reconstruction by Height,66.9%,Medium,0.03949613834265583, https://leetcode.com/problems/queue-reconstruction-by-height
 107,Binary Tree Level Order Traversal II,53.5%,Easy,0.03948712621281427, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
 637,Average of Levels in Binary Tree,63.1%,Easy,0.039272062353528786, https://leetcode.com/problems/average-of-levels-in-binary-tree
 1049,Last Stone Weight II,44.2%,Medium,0.03902934390573525, https://leetcode.com/problems/last-stone-weight-ii
 241,Different Ways to Add Parentheses,55.2%,Medium,0.03880215185647971, https://leetcode.com/problems/different-ways-to-add-parentheses
 24,Swap Nodes in Pairs,50.4%,Medium,0.03826607060639552, https://leetcode.com/problems/swap-nodes-in-pairs
 47,Permutations II,46.4%,Medium,0.038145268259690404, https://leetcode.com/problems/permutations-ii
 40,Combination Sum II,48.2%,Medium,0.037775974158907266, https://leetcode.com/problems/combination-sum-ii
 1110,Delete Nodes And Return Forest,67.0%,Medium,0.03698038470938097, https://leetcode.com/problems/delete-nodes-and-return-forest
 646,Maximum Length of Pair Chain,51.9%,Medium,0.036870535808327706, https://leetcode.com/problems/maximum-length-of-pair-chain
 626,Exchange Seats,62.3%,Medium,0.03676884778708897, https://leetcode.com/problems/exchange-seats
 884,Uncommon Words from Two Sentences,63.3%,Easy,0.036301626676214796, https://leetcode.com/problems/uncommon-words-from-two-sentences
 250,Count Univalue Subtrees,52.0%,Medium,0.036235848454044865, https://leetcode.com/problems/count-univalue-subtrees
 334,Increasing Triplet Subsequence,40.0%,Medium,0.03577488021091517, https://leetcode.com/problems/increasing-triplet-subsequence
 416,Partition Equal Subset Sum,43.7%,Medium,0.034301326353463016, https://leetcode.com/problems/partition-equal-subset-sum
 217,Contains Duplicate,56.0%,Easy,0.03367321510658789, https://leetcode.com/problems/contains-duplicate
 912,Sort an Array,63.9%,Medium,0.03218010960381167, https://leetcode.com/problems/sort-an-array
 1114,Print in Order,65.7%,Easy,0.0317486983145803, https://leetcode.com/problems/print-in-order
 345,Reverse Vowels of a String,44.2%,Easy,0.031112084201956228, https://leetcode.com/problems/reverse-vowels-of-a-string
 1179,Reformat Department Table,80.6%,Easy,0.030653741091002412, https://leetcode.com/problems/reformat-department-table
 557,Reverse Words in a String III,69.8%,Easy,0.03063547953861342, https://leetcode.com/problems/reverse-words-in-a-string-iii
 1027,Longest Arithmetic Sequence,53.4%,Medium,0.03030534949532895, https://leetcode.com/problems/longest-arithmetic-sequence
 671,Second Minimum Node In a Binary Tree,42.7%,Easy,0.02958795718549609, https://leetcode.com/problems/second-minimum-node-in-a-binary-tree
 452,Minimum Number of Arrows to Burst Balloons,49.6%,Medium,0.029478921626711667, https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons
 344,Reverse String,68.5%,Easy,0.029048355159926334, https://leetcode.com/problems/reverse-string
 77,Combinations,54.7%,Medium,0.028021758737593695, https://leetcode.com/problems/combinations
 115,Distinct Subsequences,38.3%,Hard,0.027798871362742988, https://leetcode.com/problems/distinct-subsequences
 249,Group Shifted Strings,55.1%,Medium,0.0276069982440099, https://leetcode.com/problems/group-shifted-strings
 796,Rotate String,49.6%,Easy,0.02701041988276247, https://leetcode.com/problems/rotate-string
 118,Pascal's Triangle,52.5%,Easy,0.02673062594465844, https://leetcode.com/problems/pascals-triangle
 931,Minimum Falling Path Sum,62.5%,Medium,0.02672169681715245, https://leetcode.com/problems/minimum-falling-path-sum
 158,Read N Characters Given Read4 II - Call multiple times,33.8%,Hard,0.026196651946570663, https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
 1395,Count Number of Teams,82.0%,Medium,0.025462865161248044, https://leetcode.com/problems/count-number-of-teams
 162,Find Peak Element,43.3%,Medium,0.02516251642407408, https://leetcode.com/problems/find-peak-element
 171,Excel Sheet Column Number,55.9%,Easy,0.025015200987536713, https://leetcode.com/problems/excel-sheet-column-number
 714,Best Time to Buy and Sell Stock with Transaction Fee,54.7%,Medium,0.024258315059789946, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee
 704,Binary Search,52.1%,Easy,0.02368531774150923, https://leetcode.com/problems/binary-search
 429,N-ary Tree Level Order Traversal,65.0%,Medium,0.023270392682351006, https://leetcode.com/problems/n-ary-tree-level-order-traversal
 198,House Robber,42.0%,Easy,0.023256862164267263, https://leetcode.com/problems/house-robber
 414,Third Maximum Number,30.5%,Easy,0.023155137938555212, https://leetcode.com/problems/third-maximum-number
 684,Redundant Connection,57.4%,Medium,0.02262539951797868, https://leetcode.com/problems/redundant-connection
 1160,Find Words That Can Be Formed by Characters,67.4%,Easy,0.02262539951797868, https://leetcode.com/problems/find-words-that-can-be-formed-by-characters
 7,Reverse Integer,25.8%,Easy,0.022564965520585834, https://leetcode.com/problems/reverse-integer
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.022033389270751453, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 1520,Maximum Number of Non-Overlapping Substrings,32.8%,Hard,0.021485667755491482, https://leetcode.com/problems/maximum-number-of-non-overlapping-substrings
 905,Sort Array By Parity,74.1%,Easy,0.02148053951675942, https://leetcode.com/problems/sort-array-by-parity
 921,Minimum Add to Make Parentheses Valid,73.7%,Medium,0.021425565169310254, https://leetcode.com/problems/minimum-add-to-make-parentheses-valid
 459,Repeated Substring Pattern,42.2%,Easy,0.021402636114384706, https://leetcode.com/problems/repeated-substring-pattern
 485,Max Consecutive Ones,54.6%,Easy,0.021092266245534258, https://leetcode.com/problems/max-consecutive-ones
 654,Maximum Binary Tree,79.9%,Medium,0.02060866342778963, https://leetcode.com/problems/maximum-binary-tree
 60,Permutation Sequence,38.4%,Hard,0.020471543980187256, https://leetcode.com/problems/permutation-sequence
 43,Multiply Strings,33.9%,Medium,0.020459908965027862, https://leetcode.com/problems/multiply-strings
 392,Is Subsequence,49.2%,Easy,0.02033508842008217, https://leetcode.com/problems/is-subsequence
 67,Add Binary,45.2%,Easy,0.020171933774613085, https://leetcode.com/problems/add-binary
 1048,Longest String Chain,54.7%,Medium,0.019361689049145963, https://leetcode.com/problems/longest-string-chain
 674,Longest Continuous Increasing Subsequence,45.9%,Easy,0.01900294712561538, https://leetcode.com/problems/longest-continuous-increasing-subsequence
 9,Palindrome Number,48.4%,Easy,0.018837205580381582, https://leetcode.com/problems/palindrome-number
 965,Univalued Binary Tree,67.7%,Easy,0.018665964249802672, https://leetcode.com/problems/univalued-binary-tree
 290,Word Pattern,37.0%,Easy,0.01839978311884168, https://leetcode.com/problems/word-pattern
 590,N-ary Tree Postorder Traversal,72.1%,Easy,0.018182319083190436, https://leetcode.com/problems/n-ary-tree-postorder-traversal
 346,Moving Average from Data Stream,70.9%,Easy,0.0176683041333139, https://leetcode.com/problems/moving-average-from-data-stream
 953,Verifying an Alien Dictionary,54.1%,Easy,0.017654440483007624, https://leetcode.com/problems/verifying-an-alien-dictionary
 383,Ransom Note,53.1%,Easy,0.017621601349819518, https://leetcode.com/problems/ransom-note
 657,Robot Return to Origin,73.5%,Easy,0.017505917513614497, https://leetcode.com/problems/robot-return-to-origin
 1266,Minimum Time Visiting All Points,79.6%,Easy,0.017354014693151613, https://leetcode.com/problems/minimum-time-visiting-all-points
 876,Middle of the Linked List,68.4%,Easy,0.01707497375257815, https://leetcode.com/problems/middle-of-the-linked-list
 389,Find the Difference,55.3%,Easy,0.016978336534417868, https://leetcode.com/problems/find-the-difference
 145,Binary Tree Postorder Traversal,55.0%,Hard,0.01682911820009702, https://leetcode.com/problems/binary-tree-postorder-traversal
 771,Jewels and Stones,86.4%,Easy,0.01631653312373806, https://leetcode.com/problems/jewels-and-stones
 1304,Find N Unique Integers Sum up to Zero,76.3%,Easy,0.015892269319508656, https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
 125,Valid Palindrome,36.7%,Easy,0.01582781088607703, https://leetcode.com/problems/valid-palindrome
 404,Sum of Left Leaves,50.9%,Easy,0.013981353230340547, https://leetcode.com/problems/sum-of-left-leaves
 724,Find Pivot Index,44.0%,Easy,0.013850636933899008, https://leetcode.com/problems/find-pivot-index
 151,Reverse Words in a String,21.9%,Medium,0.013753273019471011, https://leetcode.com/problems/reverse-words-in-a-string
 144,Binary Tree Preorder Traversal,55.7%,Medium,0.013667638728663807, https://leetcode.com/problems/binary-tree-preorder-traversal
 303,Range Sum Query - Immutable,44.7%,Easy,0.013240842236997532, https://leetcode.com/problems/range-sum-query-immutable
 665,Non-decreasing Array,19.5%,Easy,0.013016779950191773, https://leetcode.com/problems/non-decreasing-array
 66,Plus One,43.0%,Easy,0.012985087498808112, https://leetcode.com/problems/plus-one
 219,Contains Duplicate II,37.7%,Easy,0.01276748910345265, https://leetcode.com/problems/contains-duplicate-ii
 213,House Robber II,36.5%,Medium,0.012654392210497564, https://leetcode.com/problems/house-robber-ii
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.012133715163198892, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 338,Counting Bits,69.5%,Medium,0.01088446119842327, https://leetcode.com/problems/counting-bits
 1221,Split a String in Balanced Strings,83.3%,Easy,0.008775835172724969, https://leetcode.com/problems/split-a-string-in-balanced-strings
 154,Find Minimum in Rotated Sorted Array II,41.6%,Hard,0.008482264714858658, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
 461,Hamming Distance,72.8%,Easy,0.00833685528906183, https://leetcode.com/problems/hamming-distance
 617,Merge Two Binary Trees,74.1%,Easy,0.008262802639833214, https://leetcode.com/problems/merge-two-binary-trees
 260,Single Number III,64.3%,Medium,0.008090659020153698, https://leetcode.com/problems/single-number-iii
 1344,Angle Between Hands of a Clock,61.4%,Medium,0.007795031188053973, https://leetcode.com/problems/angle-between-hands-of-a-clock
 175,Combine Two Tables,60.8%,Easy,0.007696786120491369, https://leetcode.com/problems/combine-two-tables
 328,Odd Even Linked List,55.7%,Medium,0.00764383618585562, https://leetcode.com/problems/odd-even-linked-list
 1365,How Many Numbers Are Smaller Than the Current Number,85.6%,Easy,0.007109877088701047, https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number
 142,Linked List Cycle II,37.3%,Medium,0.006564934131150057, https://leetcode.com/problems/linked-list-cycle-ii
 203,Remove Linked List Elements,38.6%,Easy,0.006479067005887776, https://leetcode.com/problems/remove-linked-list-elements
 309,Best Time to Buy and Sell Stock with Cooldown,47.4%,Medium,0.006400704591951834, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown
 1431,Kids With the Greatest Number of Candies,88.9%,Easy,0.005927699633275225, https://leetcode.com/problems/kids-with-the-greatest-number-of-candies
 237,Delete Node in a Linked List,63.8%,Easy,0.005144705881237697, https://leetcode.com/problems/delete-node-in-a-linked-list
 35,Search Insert Position,42.6%,Easy,0.004646848510375352, https://leetcode.com/problems/search-insert-position
 797,All Paths From Source to Target,77.9%,Medium,0.0024703569875376783, https://leetcode.com/problems/all-paths-from-source-to-target
--- a/amazon_2year.csv
+++ b/amazon_2year.csv
@@ -0,0 +1,708 @@
 937,Reorder Data in Log Files,54.3%,Easy,4.767247308723531, https://leetcode.com/problems/reorder-data-in-log-files
 1192,Critical Connections in a Network,48.6%,Hard,4.608392488817646, https://leetcode.com/problems/critical-connections-in-a-network
 200,Number of Islands,46.8%,Medium,4.5237927479658, https://leetcode.com/problems/number-of-islands
 973,K Closest Points to Origin,63.8%,Medium,4.3649379280599145, https://leetcode.com/problems/k-closest-points-to-origin
 819,Most Common Word,44.8%,Easy,4.206083108154029, https://leetcode.com/problems/most-common-word
 994,Rotting Oranges,49.2%,Medium,4.12888767326667, https://leetcode.com/problems/rotting-oranges
 146,LRU Cache,33.2%,Medium,4.1259125217530634, https://leetcode.com/problems/lru-cache
 1,Two Sum,45.6%,Easy,3.9670577018471778, https://leetcode.com/problems/two-sum
 138,Copy List with Random Pointer,36.4%,Medium,3.8082028819412925, https://leetcode.com/problems/copy-list-with-random-pointer
 763,Partition Labels,76.1%,Medium,3.6493480620354073, https://leetcode.com/problems/partition-labels
 5,Longest Palindromic Substring,29.5%,Medium,3.6112713851966896, https://leetcode.com/problems/longest-palindromic-substring
 692,Top K Frequent Words,51.8%,Medium,3.4524165652908043, https://leetcode.com/problems/top-k-frequent-words
 572,Subtree of Another Tree,44.1%,Easy,3.293561745384919, https://leetcode.com/problems/subtree-of-another-tree
 23,Merge k Sorted Lists,40.2%,Hard,3.275608353119414, https://leetcode.com/problems/merge-k-sorted-lists
 21,Merge Two Sorted Lists,53.5%,Easy,3.1760577119891367, https://leetcode.com/problems/merge-two-sorted-lists
 957,Prison Cells After N Days,40.7%,Medium,3.1619868806897298, https://leetcode.com/problems/prison-cells-after-n-days
 472,Concatenated Words,43.7%,Hard,3.1035670505472908, https://leetcode.com/problems/concatenated-words
 295,Find Median from Data Stream,44.3%,Hard,3.071377319923169, https://leetcode.com/problems/find-median-from-data-stream
 42,Trapping Rain Water,48.9%,Hard,3.0345785163632195, https://leetcode.com/problems/trapping-rain-water
 240,Search a 2D Matrix II,43.2%,Medium,2.8882389761040663, https://leetcode.com/problems/search-a-2d-matrix-ii
 642,Design Search Autocomplete System,44.7%,Hard,2.850097902691714, https://leetcode.com/problems/design-search-autocomplete-system
 297,Serialize and Deserialize Binary Tree,47.5%,Hard,2.691243082785829, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
 348,Design Tic-Tac-Toe,54.3%,Medium,2.6765966310651685, https://leetcode.com/problems/design-tic-tac-toe
 127,Word Ladder,29.6%,Medium,2.6565727712956915, https://leetcode.com/problems/word-ladder
 126,Word Ladder II,22.1%,Hard,2.6210965949028595, https://leetcode.com/problems/word-ladder-ii
 253,Meeting Rooms II,45.7%,Medium,2.5426760894240816, https://leetcode.com/problems/meeting-rooms-ii
 588,Design In-Memory File System,45.9%,Hard,2.481768900116033, https://leetcode.com/problems/design-in-memory-file-system
 1167,Minimum Cost to Connect Sticks,62.8%,Medium,2.423130930639536, https://leetcode.com/problems/minimum-cost-to-connect-sticks
 212,Word Search II,34.9%,Hard,2.409742163556229, https://leetcode.com/problems/word-search-ii
 909,Snakes and Ladders,38.4%,Medium,2.3368173292871526, https://leetcode.com/problems/snakes-and-ladders
 273,Integer to English Words,27.1%,Hard,2.3215771011354915, https://leetcode.com/problems/integer-to-english-words
 460,LFU Cache,34.2%,Hard,2.311351586206228, https://leetcode.com/problems/lfu-cache
 2,Add Two Numbers,33.9%,Medium,2.2533444302046233, https://leetcode.com/problems/add-two-numbers
 545,Boundary of Binary Tree,38.9%,Medium,2.2324541765453, https://leetcode.com/problems/boundary-of-binary-tree
 139,Word Break,40.1%,Medium,2.2058799303129293, https://leetcode.com/problems/word-break
 694,Number of Distinct Islands,56.0%,Medium,2.1981500748571623, https://leetcode.com/problems/number-of-distinct-islands
 1152,Analyze User Website Visit Pattern,43.5%,Medium,2.1610636126719283, https://leetcode.com/problems/analyze-user-website-visit-pattern
 1268,Search Suggestions System,63.2%,Medium,2.157831912757614, https://leetcode.com/problems/search-suggestions-system
 1000,Minimum Cost to Merge Stones,39.8%,Hard,2.0763714386373158, https://leetcode.com/problems/minimum-cost-to-merge-stones
 380,Insert Delete GetRandom O(1),47.5%,Medium,2.0707373499375032, https://leetcode.com/problems/insert-delete-getrandom-o1
 675,Cut Off Trees for Golf Event,34.6%,Hard,2.0356851106499882, https://leetcode.com/problems/cut-off-trees-for-golf-event
 269,Alien Dictionary,33.3%,Hard,2.01306490259895, https://leetcode.com/problems/alien-dictionary
 121,Best Time to Buy and Sell Stock,50.5%,Easy,2.0057576952331098, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 49,Group Anagrams,56.9%,Medium,1.9598330557667063, https://leetcode.com/problems/group-anagrams
 772,Basic Calculator III,41.3%,Hard,1.93133194589594, https://leetcode.com/problems/basic-calculator-iii
 863,All Nodes Distance K in Binary Tree,55.4%,Medium,1.924676094041702, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
 155,Min Stack,44.5%,Easy,1.9215077818220445, https://leetcode.com/problems/min-stack
 20,Valid Parentheses,39.0%,Easy,1.9107339238261305, https://leetcode.com/problems/valid-parentheses
 15,3Sum,26.8%,Medium,1.889218736497702, https://leetcode.com/problems/3sum
 165,Compare Version Numbers,27.4%,Medium,1.7706467919904958, https://leetcode.com/problems/compare-version-numbers
 239,Sliding Window Maximum,43.0%,Hard,1.7509567493480187, https://leetcode.com/problems/sliding-window-maximum
 733,Flood Fill,55.3%,Easy,1.74755550107457, https://leetcode.com/problems/flood-fill
 866,Prime Palindrome,24.9%,Medium,1.7204703854807533, https://leetcode.com/problems/prime-palindrome
 238,Product of Array Except Self,60.1%,Medium,1.71425284264257, https://leetcode.com/problems/product-of-array-except-self
 341,Flatten Nested List Iterator,52.9%,Medium,1.7121511329488845, https://leetcode.com/problems/flatten-nested-list-iterator
 490,The Maze,51.4%,Medium,1.6829041515736798, https://leetcode.com/problems/the-maze
 17,Letter Combinations of a Phone Number,46.8%,Medium,1.6822073282155063, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 3,Longest Substring Without Repeating Characters,30.4%,Medium,1.6660170989747354, https://leetcode.com/problems/longest-substring-without-repeating-characters
 45,Jump Game II,30.6%,Hard,1.6544525444028277, https://leetcode.com/problems/jump-game-ii
 1099,Two Sum Less Than K,60.6%,Easy,1.6416694814604238, https://leetcode.com/problems/two-sum-less-than-k
 207,Course Schedule,43.1%,Medium,1.61781279723231, https://leetcode.com/problems/course-schedule
 12,Integer to Roman,55.1%,Medium,1.6016095787657718, https://leetcode.com/problems/integer-to-roman
 1102,Path With Maximum Minimum Value,49.2%,Medium,1.586376093728572, https://leetcode.com/problems/path-with-maximum-minimum-value
 33,Search in Rotated Sorted Array,34.5%,Medium,1.5791221107028763, https://leetcode.com/problems/search-in-rotated-sorted-array
 56,Merge Intervals,39.3%,Medium,1.5421333498120642, https://leetcode.com/problems/merge-intervals
 895,Maximum Frequency Stack,60.6%,Hard,1.5225874235471424, https://leetcode.com/problems/maximum-frequency-stack
 314,Binary Tree Vertical Order Traversal,45.3%,Medium,1.5177649083529745, https://leetcode.com/problems/binary-tree-vertical-order-traversal
 53,Maximum Subarray,46.5%,Easy,1.516974311835203, https://leetcode.com/problems/maximum-subarray
 353,Design Snake Game,34.2%,Medium,1.506328285095676, https://leetcode.com/problems/design-snake-game
 322,Coin Change,35.5%,Medium,1.4806772164640813, https://leetcode.com/problems/coin-change
 4,Median of Two Sorted Arrays,29.6%,Hard,1.4554565552515453, https://leetcode.com/problems/median-of-two-sorted-arrays
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,1.4259067156727416, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 99,Recover Binary Search Tree,39.7%,Hard,1.4089750010850042, https://leetcode.com/problems/recover-binary-search-tree
 76,Minimum Window Substring,34.6%,Hard,1.3926423524495424, https://leetcode.com/problems/minimum-window-substring
 706,Design HashMap,61.3%,Easy,1.3834166612922754, https://leetcode.com/problems/design-hashmap
 449,Serialize and Deserialize BST,52.0%,Medium,1.3213393231925648, https://leetcode.com/problems/serialize-and-deserialize-bst
 289,Game of Life,54.5%,Medium,1.3165288639550394, https://leetcode.com/problems/game-of-life
 64,Minimum Path Sum,54.5%,Medium,1.3111693715773884, https://leetcode.com/problems/minimum-path-sum
 140,Word Break II,32.6%,Hard,1.3055596050544398, https://leetcode.com/problems/word-break-ii
 505,The Maze II,47.7%,Medium,1.2979377678520694, https://leetcode.com/problems/the-maze-ii
 227,Basic Calculator II,36.9%,Medium,1.287359403895079, https://leetcode.com/problems/basic-calculator-ii
 323,Number of Connected Components in an Undirected Graph,56.0%,Medium,1.2764047315524085, https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
 124,Binary Tree Maximum Path Sum,34.3%,Hard,1.270922263715394, https://leetcode.com/problems/binary-tree-maximum-path-sum
 224,Basic Calculator,36.8%,Hard,1.270759854947338, https://leetcode.com/problems/basic-calculator
 206,Reverse Linked List,62.5%,Easy,1.2672568786519014, https://leetcode.com/problems/reverse-linked-list
 503,Next Greater Element II,56.5%,Medium,1.2578496219398863, https://leetcode.com/problems/next-greater-element-ii
 387,First Unique Character in a String,53.4%,Easy,1.2577684700448748, https://leetcode.com/problems/first-unique-character-in-a-string
 208,Implement Trie (Prefix Tree),49.4%,Medium,1.2499823265022014, https://leetcode.com/problems/implement-trie-prefix-tree
 543,Diameter of Binary Tree,48.4%,Easy,1.2410094815743256, https://leetcode.com/problems/diameter-of-binary-tree
 535,Encode and Decode TinyURL,79.9%,Medium,1.227174226434749, https://leetcode.com/problems/encode-and-decode-tinyurl
 815,Bus Routes,42.5%,Hard,1.2156017946017912, https://leetcode.com/problems/bus-routes
 11,Container With Most Water,50.8%,Medium,1.2010266143542228, https://leetcode.com/problems/container-with-most-water
 1091,Shortest Path in Binary Matrix,38.2%,Medium,1.200913466942589, https://leetcode.com/problems/shortest-path-in-binary-matrix
 362,Design Hit Counter,63.7%,Medium,1.199980268917449, https://leetcode.com/problems/design-hit-counter
 489,Robot Room Cleaner,69.7%,Hard,1.1739954424366683, https://leetcode.com/problems/robot-room-cleaner
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,1.1582287933185333, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 277,Find the Celebrity,41.8%,Medium,1.1562032194143523, https://leetcode.com/problems/find-the-celebrity
 980,Unique Paths III,73.3%,Hard,1.1561821404895873, https://leetcode.com/problems/unique-paths-iii
 716,Max Stack,42.6%,Easy,1.143395891295083, https://leetcode.com/problems/max-stack
 74,Search a 2D Matrix,36.5%,Medium,1.1351642692702506, https://leetcode.com/problems/search-a-2d-matrix
 759,Employee Free Time,66.2%,Hard,1.1328873695767963, https://leetcode.com/problems/employee-free-time
 496,Next Greater Element I,63.8%,Easy,1.1237639698973036, https://leetcode.com/problems/next-greater-element-i
 97,Interleaving String,31.5%,Hard,1.1211081248375274, https://leetcode.com/problems/interleaving-string
 173,Binary Search Tree Iterator,56.6%,Medium,1.114540456834975, https://leetcode.com/problems/binary-search-tree-iterator
 54,Spiral Matrix,34.1%,Medium,1.1072855603632137, https://leetcode.com/problems/spiral-matrix
 394,Decode String,50.0%,Medium,1.0885854207873837, https://leetcode.com/problems/decode-string
 22,Generate Parentheses,62.7%,Medium,1.0741309008544615, https://leetcode.com/problems/generate-parentheses
 211,Add and Search Word - Data structure design,38.1%,Medium,1.068971286476014, https://leetcode.com/problems/add-and-search-word-data-structure-design
 317,Shortest Distance from All Buildings,41.4%,Hard,1.0631755099111992, https://leetcode.com/problems/shortest-distance-from-all-buildings
 703,Kth Largest Element in a Stream,49.7%,Easy,1.0476504188568838, https://leetcode.com/problems/kth-largest-element-in-a-stream
 93,Restore IP Addresses,35.6%,Medium,1.0301182947170724, https://leetcode.com/problems/restore-ip-addresses
 640,Solve the Equation,42.0%,Medium,1.0254396827784502, https://leetcode.com/problems/solve-the-equation
 445,Add Two Numbers II,54.5%,Medium,1.0248223927917601, https://leetcode.com/problems/add-two-numbers-ii
 564,Find the Closest Palindrome,19.7%,Hard,1.0211247931897356, https://leetcode.com/problems/find-the-closest-palindrome
 102,Binary Tree Level Order Traversal,54.6%,Medium,1.0168566877633323, https://leetcode.com/problems/binary-tree-level-order-traversal
 437,Path Sum III,47.2%,Medium,1.01420443066745, https://leetcode.com/problems/path-sum-iii
 631,Design Excel Sum Formula,31.6%,Hard,1.007640510462383, https://leetcode.com/problems/design-excel-sum-formula
 215,Kth Largest Element in an Array,55.4%,Medium,1.0022262615303217, https://leetcode.com/problems/kth-largest-element-in-an-array
 997,Find the Town Judge,50.1%,Easy,0.9903020109316887, https://leetcode.com/problems/find-the-town-judge
 695,Max Area of Island,62.7%,Medium,0.988975047363172, https://leetcode.com/problems/max-area-of-island
 403,Frog Jump,39.7%,Hard,0.986149938424414, https://leetcode.com/problems/frog-jump
 116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.9771405730638729, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
 726,Number of Atoms,49.0%,Hard,0.9725715677727447, https://leetcode.com/problems/number-of-atoms
 55,Jump Game,34.6%,Medium,0.9675236014754398, https://leetcode.com/problems/jump-game
 98,Validate Binary Search Tree,27.8%,Medium,0.9662594465630313, https://leetcode.com/problems/validate-binary-search-tree
 767,Reorganize String,48.7%,Medium,0.963102782263259, https://leetcode.com/problems/reorganize-string
 1044,Longest Duplicate Substring,31.9%,Hard,0.9584751419361788, https://leetcode.com/problems/longest-duplicate-substring
 770,Basic Calculator IV,48.1%,Hard,0.9582549309731873, https://leetcode.com/problems/basic-calculator-iv
 210,Course Schedule II,40.7%,Medium,0.9580946198777129, https://leetcode.com/problems/course-schedule-ii
 739,Daily Temperatures,63.3%,Medium,0.9460428580770935, https://leetcode.com/problems/daily-temperatures
 347,Top K Frequent Elements,61.2%,Medium,0.944060927263745, https://leetcode.com/problems/top-k-frequent-elements
 91,Decode Ways,24.7%,Medium,0.9291972065677444, https://leetcode.com/problems/decode-ways
 388,Longest Absolute File Path,41.8%,Medium,0.91753219696222, https://leetcode.com/problems/longest-absolute-file-path
 57,Insert Interval,33.5%,Hard,0.8985038991641041, https://leetcode.com/problems/insert-interval
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.8940038587005907, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 13,Roman to Integer,55.7%,Easy,0.8933962612312258, https://leetcode.com/problems/roman-to-integer
 653,Two Sum IV - Input is a BST,55.5%,Easy,0.8889872641089201, https://leetcode.com/problems/two-sum-iv-input-is-a-bst
 399,Evaluate Division,51.6%,Medium,0.8812413457657069, https://leetcode.com/problems/evaluate-division
 143,Reorder List,37.1%,Medium,0.8793923055639359, https://leetcode.com/problems/reorder-list
 79,Word Search,35.6%,Medium,0.8759684458676714, https://leetcode.com/problems/word-search
 384,Shuffle an Array,52.8%,Medium,0.8699792450691285, https://leetcode.com/problems/shuffle-an-array
 1155,Number of Dice Rolls With Target Sum,49.0%,Medium,0.8666032186425704, https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
 25,Reverse Nodes in k-Group,42.1%,Hard,0.8575824149327572, https://leetcode.com/problems/reverse-nodes-in-k-group
 252,Meeting Rooms,54.6%,Easy,0.844766213465424, https://leetcode.com/problems/meeting-rooms
 221,Maximal Square,37.7%,Medium,0.8389600248044948, https://leetcode.com/problems/maximal-square
 622,Design Circular Queue,43.7%,Medium,0.8231587572738468, https://leetcode.com/problems/design-circular-queue
 981,Time Based Key-Value Store,53.1%,Medium,0.8180951326968029, https://leetcode.com/problems/time-based-key-value-store
 333,Largest BST Subtree,35.8%,Medium,0.8169787959635177, https://leetcode.com/problems/largest-bst-subtree
 185,Department Top Three Salaries,34.5%,Hard,0.8162131770102277, https://leetcode.com/problems/department-top-three-salaries
 456,132 Pattern,28.9%,Medium,0.8138174114576592, https://leetcode.com/problems/132-pattern
 480,Sliding Window Median,37.2%,Hard,0.8042373907743527, https://leetcode.com/problems/sliding-window-median
 36,Valid Sudoku,48.7%,Medium,0.802497178015298, https://leetcode.com/problems/valid-sudoku
 48,Rotate Image,56.7%,Medium,0.8008039084781219, https://leetcode.com/problems/rotate-image
 628,Maximum Product of Three Numbers,47.1%,Easy,0.790349508516308, https://leetcode.com/problems/maximum-product-of-three-numbers
 188,Best Time to Buy and Sell Stock IV,28.0%,Hard,0.7898945225949174, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
 336,Palindrome Pairs,33.7%,Hard,0.7886756056728623, https://leetcode.com/problems/palindrome-pairs
 199,Binary Tree Right Side View,54.1%,Medium,0.7876280977126043, https://leetcode.com/problems/binary-tree-right-side-view
 556,Next Greater Element III,31.7%,Medium,0.7873680356378151, https://leetcode.com/problems/next-greater-element-iii
 352,Data Stream as Disjoint Intervals,47.3%,Hard,0.7849120431121034, https://leetcode.com/problems/data-stream-as-disjoint-intervals
 688,Knight Probability in Chessboard,48.9%,Medium,0.7779674428567601, https://leetcode.com/problems/knight-probability-in-chessboard
 133,Clone Graph,34.8%,Medium,0.7777045685880084, https://leetcode.com/problems/clone-graph
 340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.7767156879202488, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
 286,Walls and Gates,54.5%,Medium,0.7665200207243745, https://leetcode.com/problems/walls-and-gates
 117,Populating Next Right Pointers in Each Node II,39.1%,Medium,0.7633611466044863, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
 529,Minesweeper,59.1%,Medium,0.7566953924986649, https://leetcode.com/problems/minesweeper
 373,Find K Pairs with Smallest Sums,36.7%,Medium,0.7534978029618075, https://leetcode.com/problems/find-k-pairs-with-smallest-sums
 39,Combination Sum,56.1%,Medium,0.7530803152298828, https://leetcode.com/problems/combination-sum
 312,Burst Balloons,51.8%,Hard,0.7383294033531782, https://leetcode.com/problems/burst-balloons
 540,Single Element in a Sorted Array,57.9%,Medium,0.7377254480119279, https://leetcode.com/problems/single-element-in-a-sorted-array
 1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.7366460015524573, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
 378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.7208465856314515, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
 987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.7193470381638601, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
 109,Convert Sorted List to Binary Search Tree,47.7%,Medium,0.7182831538314877, https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
 1046,Last Stone Weight,62.2%,Easy,0.7136834368003875, https://leetcode.com/problems/last-stone-weight
 560,Subarray Sum Equals K,43.9%,Medium,0.7082042605360416, https://leetcode.com/problems/subarray-sum-equals-k
 46,Permutations,63.5%,Medium,0.7006713538066263, https://leetcode.com/problems/permutations
 332,Reconstruct Itinerary,36.7%,Medium,0.6934933810134637, https://leetcode.com/problems/reconstruct-itinerary
 62,Unique Paths,54.1%,Medium,0.679976059447545, https://leetcode.com/problems/unique-paths
 284,Peeking Iterator,45.7%,Medium,0.6707820311003652, https://leetcode.com/problems/peeking-iterator
 417,Pacific Atlantic Water Flow,41.1%,Medium,0.666478933477784, https://leetcode.com/problems/pacific-atlantic-water-flow
 261,Graph Valid Tree,42.2%,Medium,0.661701044953794, https://leetcode.com/problems/graph-valid-tree
 218,The Skyline Problem,34.6%,Hard,0.6570184564714399, https://leetcode.com/problems/the-skyline-problem
 84,Largest Rectangle in Histogram,35.2%,Hard,0.6538762359232341, https://leetcode.com/problems/largest-rectangle-in-histogram
 32,Longest Valid Parentheses,28.4%,Hard,0.6498908753938852, https://leetcode.com/problems/longest-valid-parentheses
 711,Number of Distinct Islands II,47.3%,Hard,0.6359887667199967, https://leetcode.com/problems/number-of-distinct-islands-ii
 101,Symmetric Tree,46.8%,Easy,0.6277269630953998, https://leetcode.com/problems/symmetric-tree
 287,Find the Duplicate Number,55.5%,Medium,0.6216243663856534, https://leetcode.com/problems/find-the-duplicate-number
 41,First Missing Positive,32.0%,Hard,0.6155202158646018, https://leetcode.com/problems/first-missing-positive
 1219,Path with Maximum Gold,65.1%,Medium,0.6151572787436681, https://leetcode.com/problems/path-with-maximum-gold
 205,Isomorphic Strings,39.8%,Easy,0.6091659093074805, https://leetcode.com/problems/isomorphic-strings
 1214,Two Sum BSTs,67.6%,Medium,0.5957174923400869, https://leetcode.com/problems/two-sum-bsts
 518,Coin Change 2,50.2%,Medium,0.5915614413251872, https://leetcode.com/problems/coin-change-2
 721,Accounts Merge,48.8%,Medium,0.5908536653497264, https://leetcode.com/problems/accounts-merge
 787,Cheapest Flights Within K Stops,39.3%,Medium,0.5893689437132485, https://leetcode.com/problems/cheapest-flights-within-k-stops
 150,Evaluate Reverse Polish Notation,36.3%,Medium,0.5881819999537198, https://leetcode.com/problems/evaluate-reverse-polish-notation
 10,Regular Expression Matching,26.8%,Hard,0.5850984373117593, https://leetcode.com/problems/regular-expression-matching
 63,Unique Paths II,34.6%,Medium,0.5820823931819539, https://leetcode.com/problems/unique-paths-ii
 134,Gas Station,38.5%,Medium,0.5687668431527801, https://leetcode.com/problems/gas-station
 737,Sentence Similarity II,45.8%,Medium,0.5686930060865394, https://leetcode.com/problems/sentence-similarity-ii
 978,Longest Turbulent Subarray,46.6%,Medium,0.5684623920757161, https://leetcode.com/problems/longest-turbulent-subarray
 268,Missing Number,51.7%,Easy,0.5678291006201323, https://leetcode.com/problems/missing-number
 992,Subarrays with K Different Integers,48.6%,Hard,0.5672611876601065, https://leetcode.com/problems/subarrays-with-k-different-integers
 409,Longest Palindrome,50.3%,Easy,0.5661573229787376, https://leetcode.com/problems/longest-palindrome
 300,Longest Increasing Subsequence,42.6%,Medium,0.5653677916137054, https://leetcode.com/problems/longest-increasing-subsequence
 983,Minimum Cost For Tickets,60.5%,Medium,0.5629118579098171, https://leetcode.com/problems/minimum-cost-for-tickets
 135,Candy,31.6%,Hard,0.5626323814748484, https://leetcode.com/problems/candy
 634,Find the Derangement of An Array,40.1%,Medium,0.5623075796011341, https://leetcode.com/problems/find-the-derangement-of-an-array
 8,String to Integer (atoi),15.4%,Medium,0.5566121908772103, https://leetcode.com/problems/string-to-integer-atoi
 993,Cousins in Binary Tree,52.0%,Easy,0.5551513544505905, https://leetcode.com/problems/cousins-in-binary-tree
 1100,Find K-Length Substrings With No Repeated Characters,72.7%,Medium,0.5543107357057295, https://leetcode.com/problems/find-k-length-substrings-with-no-repeated-characters
 516,Longest Palindromic Subsequence,53.2%,Medium,0.5522281191875855, https://leetcode.com/problems/longest-palindromic-subsequence
 75,Sort Colors,47.3%,Medium,0.5427432267342958, https://leetcode.com/problems/sort-colors
 943,Find the Shortest Superstring,42.9%,Hard,0.5357102670818683, https://leetcode.com/problems/find-the-shortest-superstring
 71,Simplify Path,32.6%,Medium,0.5262793676678309, https://leetcode.com/problems/simplify-path
 547,Friend Circles,58.6%,Medium,0.5259672525715527, https://leetcode.com/problems/friend-circles
 1429,First Unique Number,47.0%,Medium,0.5239621016713606, https://leetcode.com/problems/first-unique-number
 153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.5222372151929279, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
 86,Partition List,41.5%,Medium,0.5141613428466489, https://leetcode.com/problems/partition-list
 192,Word Frequency,25.8%,Medium,0.5129680991436376, https://leetcode.com/problems/word-frequency
 1057,Campus Bikes,57.7%,Medium,0.50861323348305, https://leetcode.com/problems/campus-bikes
 37,Sudoku Solver,43.6%,Hard,0.5078801135362339, https://leetcode.com/problems/sudoku-solver
 85,Maximal Rectangle,37.7%,Hard,0.505442030682518, https://leetcode.com/problems/maximal-rectangle
 349,Intersection of Two Arrays,62.5%,Easy,0.5048408597071582, https://leetcode.com/problems/intersection-of-two-arrays
 1135,Connecting Cities With Minimum Cost,57.5%,Medium,0.501406401849499, https://leetcode.com/problems/connecting-cities-with-minimum-cost
 72,Edit Distance,44.8%,Hard,0.4973447790261514, https://leetcode.com/problems/edit-distance
 636,Exclusive Time of Functions,52.0%,Medium,0.49627524402791723, https://leetcode.com/problems/exclusive-time-of-functions
 528,Random Pick with Weight,43.9%,Medium,0.48937950996520846, https://leetcode.com/problems/random-pick-with-weight
 113,Path Sum II,46.7%,Medium,0.48815162137800294, https://leetcode.com/problems/path-sum-ii
 735,Asteroid Collision,41.0%,Medium,0.48598907090432486, https://leetcode.com/problems/asteroid-collision
 538,Convert BST to Greater Tree,55.4%,Easy,0.485748321807536, https://leetcode.com/problems/convert-bst-to-greater-tree
 1236,Web Crawler,64.3%,Medium,0.48550781578170077, https://leetcode.com/problems/web-crawler
 1011,Capacity To Ship Packages Within D Days,58.1%,Medium,0.4816807923583991, https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
 1032,Stream of Characters,48.3%,Hard,0.4815348268449252, https://leetcode.com/problems/stream-of-characters
 301,Remove Invalid Parentheses,43.3%,Hard,0.47974654080004886, https://leetcode.com/problems/remove-invalid-parentheses
 426,Convert Binary Search Tree to Sorted Doubly Linked List,59.1%,Medium,0.47793775692115553, https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
 16,3Sum Closest,46.0%,Medium,0.4774123771930342, https://leetcode.com/problems/3sum-closest
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.4767121931596299, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 298,Binary Tree Longest Consecutive Sequence,47.1%,Medium,0.4737843520856416, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence
 794,Valid Tic-Tac-Toe State,32.6%,Medium,0.4724161756511195, https://leetcode.com/problems/valid-tic-tac-toe-state
 176,Second Highest Salary,31.6%,Easy,0.47069912017443083, https://leetcode.com/problems/second-highest-salary
 558,Logical OR of Two Binary Grids Represented as Quad-Trees,44.6%,Medium,0.46813621507094005, https://leetcode.com/problems/logical-or-of-two-binary-grids-represented-as-quad-trees
 88,Merge Sorted Array,39.4%,Easy,0.46429699445861544, https://leetcode.com/problems/merge-sorted-array
 272,Closest Binary Search Tree Value II,50.5%,Hard,0.462623521948113, https://leetcode.com/problems/closest-binary-search-tree-value-ii
 59,Spiral Matrix II,53.9%,Medium,0.4529975257530934, https://leetcode.com/problems/spiral-matrix-ii
 68,Text Justification,27.7%,Hard,0.4495613440132932, https://leetcode.com/problems/text-justification
 635,Design Log Storage System,58.6%,Medium,0.4485486942444761, https://leetcode.com/problems/design-log-storage-system
 285,Inorder Successor in BST,40.4%,Medium,0.44766390708014486, https://leetcode.com/problems/inorder-successor-in-bst
 465,Optimal Account Balancing,46.9%,Hard,0.44746022914476763, https://leetcode.com/problems/optimal-account-balancing
 120,Triangle,44.2%,Medium,0.4465801975799588, https://leetcode.com/problems/triangle
 19,Remove Nth Node From End of List,35.2%,Medium,0.4456768409675064, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.44142820516401104, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 167,Two Sum II - Input array is sorted,54.1%,Easy,0.43971022755443356, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
 1120,Maximum Average Subtree,61.9%,Medium,0.43814407233118585, https://leetcode.com/problems/maximum-average-subtree
 854,K-Similar Strings,38.2%,Hard,0.43634727500236803, https://leetcode.com/problems/k-similar-strings
 361,Bomb Enemy,46.0%,Medium,0.4333220626111306, https://leetcode.com/problems/bomb-enemy
 356,Line Reflection,31.8%,Medium,0.4269293467764643, https://leetcode.com/problems/line-reflection
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.4220164440136994, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 1010,Pairs of Songs With Total Durations Divisible by 60,47.4%,Easy,0.42064633523841427, https://leetcode.com/problems/pairs-of-songs-with-total-durations-divisible-by-60
 96,Unique Binary Search Trees,52.9%,Medium,0.42021191912831435, https://leetcode.com/problems/unique-binary-search-trees
 438,Find All Anagrams in a String,43.3%,Medium,0.42018018969304527, https://leetcode.com/problems/find-all-anagrams-in-a-string
 177,Nth Highest Salary,31.4%,Medium,0.41948151008170015, https://leetcode.com/problems/nth-highest-salary
 169,Majority Element,58.7%,Easy,0.4187817161007766, https://leetcode.com/problems/majority-element
 228,Summary Ranges,39.5%,Medium,0.41424759968851377, https://leetcode.com/problems/summary-ranges
 128,Longest Consecutive Sequence,45.1%,Hard,0.4130892250537352, https://leetcode.com/problems/longest-consecutive-sequence
 366,Find Leaves of Binary Tree,70.6%,Medium,0.4130123137435473, https://leetcode.com/problems/find-leaves-of-binary-tree
 149,Max Points on a Line,16.9%,Hard,0.4117347211217598, https://leetcode.com/problems/max-points-on-a-line
 234,Palindrome Linked List,39.3%,Easy,0.40610862095331074, https://leetcode.com/problems/palindrome-linked-list
 442,Find All Duplicates in an Array,67.8%,Medium,0.4029173360293657, https://leetcode.com/problems/find-all-duplicates-in-an-array
 1066,Campus Bikes II,54.2%,Medium,0.40032370860774574, https://leetcode.com/problems/campus-bikes-ii
 78,Subsets,62.0%,Medium,0.3978316012118198, https://leetcode.com/problems/subsets
 1335,Minimum Difficulty of a Job Schedule,57.6%,Hard,0.3963047387095001, https://leetcode.com/problems/minimum-difficulty-of-a-job-schedule
 18,4Sum,33.7%,Medium,0.3951916126129905, https://leetcode.com/problems/4sum
 1197,Minimum Knight Moves,36.1%,Medium,0.39358878405685155, https://leetcode.com/problems/minimum-knight-moves
 296,Best Meeting Point,57.5%,Hard,0.388507095744267, https://leetcode.com/problems/best-meeting-point
 1215,Stepping Numbers,41.6%,Medium,0.3856624808119847, https://leetcode.com/problems/stepping-numbers
 230,Kth Smallest Element in a BST,60.2%,Medium,0.37791604408658863, https://leetcode.com/problems/kth-smallest-element-in-a-bst
 152,Maximum Product Subarray,31.7%,Medium,0.37438681518796224, https://leetcode.com/problems/maximum-product-subarray
 283,Move Zeroes,57.8%,Easy,0.37259180599681807, https://leetcode.com/problems/move-zeroes
 1279,Traffic Light Controlled Intersection,74.3%,Easy,0.37117603462953225, https://leetcode.com/problems/traffic-light-controlled-intersection
 498,Diagonal Traverse,48.2%,Medium,0.36965808183913323, https://leetcode.com/problems/diagonal-traverse
 346,Moving Average from Data Stream,70.9%,Easy,0.3685471485927166, https://leetcode.com/problems/moving-average-from-data-stream
 432,All O`one Data Structure,32.4%,Hard,0.3685471485927166, https://leetcode.com/problems/all-oone-data-structure
 92,Reverse Linked List II,38.8%,Medium,0.36663565313437546, https://leetcode.com/problems/reverse-linked-list-ii
 647,Palindromic Substrings,60.6%,Medium,0.3658330889129942, https://leetcode.com/problems/palindromic-substrings
 6,ZigZag Conversion,36.3%,Medium,0.3614824134493735, https://leetcode.com/problems/zigzag-conversion
 31,Next Permutation,32.6%,Medium,0.3605125693237505, https://leetcode.com/problems/next-permutation
 1083,Sales Analysis II,50.5%,Easy,0.35277564256684985, https://leetcode.com/problems/sales-analysis-ii
 1022,Sum of Root To Leaf Binary Numbers,67.2%,Easy,0.34981385355878714, https://leetcode.com/problems/sum-of-root-to-leaf-binary-numbers
 843,Guess the Word,46.1%,Hard,0.34967374847974886, https://leetcode.com/problems/guess-the-word
 410,Split Array Largest Sum,44.5%,Hard,0.3494594321480241, https://leetcode.com/problems/split-array-largest-sum
 51,N-Queens,46.6%,Hard,0.34587301090591877, https://leetcode.com/problems/n-queens
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.34223732585313005, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 785,Is Graph Bipartite?,47.5%,Medium,0.3413031638908785, https://leetcode.com/problems/is-graph-bipartite
 148,Sort List,42.3%,Medium,0.3404883062761029, https://leetcode.com/problems/sort-list
 30,Substring with Concatenation of All Words,25.4%,Hard,0.3384481668491529, https://leetcode.com/problems/substring-with-concatenation-of-all-words
 14,Longest Common Prefix,35.4%,Easy,0.33820492794739787, https://leetcode.com/problems/longest-common-prefix
 1130,Minimum Cost Tree From Leaf Values,66.1%,Medium,0.33787755363431937, https://leetcode.com/problems/minimum-cost-tree-from-leaf-values
 715,Range Module,38.5%,Hard,0.33647223662121295, https://leetcode.com/problems/range-module
 233,Number of Digit One,31.3%,Hard,0.3343430661930074, https://leetcode.com/problems/number-of-digit-one
 428,Serialize and Deserialize N-ary Tree,59.4%,Hard,0.3333026618599339, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
 28,Implement strStr(),34.5%,Easy,0.3329666353832624, https://leetcode.com/problems/implement-strstr
 187,Repeated DNA Sequences,38.9%,Medium,0.3305164293012779, https://leetcode.com/problems/repeated-dna-sequences
 611,Valid Triangle Number,48.4%,Medium,0.33024168687057687, https://leetcode.com/problems/valid-triangle-number
 827,Making A Large Island,45.7%,Hard,0.32879599515977564, https://leetcode.com/problems/making-a-large-island
 129,Sum Root to Leaf Numbers,49.1%,Medium,0.3277345401930075, https://leetcode.com/problems/sum-root-to-leaf-numbers
 430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,0.32335829449138764, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
 901,Online Stock Span,60.2%,Medium,0.3225465062722876, https://leetcode.com/problems/online-stock-span
 1004,Max Consecutive Ones III,59.1%,Medium,0.3213847274185471, https://leetcode.com/problems/max-consecutive-ones-iii
 243,Shortest Word Distance,61.0%,Easy,0.3181698955520328, https://leetcode.com/problems/shortest-word-distance
 652,Find Duplicate Subtrees,50.2%,Medium,0.31675833653328983, https://leetcode.com/problems/find-duplicate-subtrees
 164,Maximum Gap,35.5%,Hard,0.31669089928362504, https://leetcode.com/problems/maximum-gap
 710,Random Pick with Blacklist,32.5%,Hard,0.3161972427598021, https://leetcode.com/problems/random-pick-with-blacklist
 1094,Car Pooling,56.7%,Medium,0.3139727676834986, https://leetcode.com/problems/car-pooling
 678,Valid Parenthesis String,31.0%,Medium,0.31306090671867376, https://leetcode.com/problems/valid-parenthesis-string
 542,01 Matrix,39.8%,Medium,0.3127505293143989, https://leetcode.com/problems/01-matrix
 986,Interval List Intersections,67.3%,Medium,0.31059633197465675, https://leetcode.com/problems/interval-list-intersections
 682,Baseball Game,63.7%,Easy,0.30408190151928766, https://leetcode.com/problems/baseball-game
 179,Largest Number,28.8%,Medium,0.2993933318726824, https://leetcode.com/problems/largest-number
 235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.29906505953500556, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
 1244,Design A Leaderboard,60.7%,Medium,0.29681946470121906, https://leetcode.com/problems/design-a-leaderboard
 1229,Meeting Scheduler,52.7%,Medium,0.2955601745092634, https://leetcode.com/problems/meeting-scheduler
 1031,Maximum Sum of Two Non-Overlapping Subarrays,57.9%,Medium,0.2928670946738281, https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays
 1275,Find Winner on a Tic Tac Toe Game,52.8%,Easy,0.2924262358737592, https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
 658,Find K Closest Elements,40.9%,Medium,0.29206941888140686, https://leetcode.com/problems/find-k-closest-elements
 1166,Design File System,56.8%,Medium,0.28978070910870213, https://leetcode.com/problems/design-file-system
 729,My Calendar I,51.8%,Medium,0.28814578681204955, https://leetcode.com/problems/my-calendar-i
 463,Island Perimeter,65.7%,Easy,0.2871321686710828, https://leetcode.com/problems/island-perimeter
 161,One Edit Distance,32.3%,Medium,0.28698931177288023, https://leetcode.com/problems/one-edit-distance
 699,Falling Squares,41.8%,Hard,0.2856138193877219, https://leetcode.com/problems/falling-squares
 708,Insert into a Sorted Circular Linked List,31.6%,Medium,0.28504006298894224, https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
 1104,Path In Zigzag Labelled Binary Tree,72.0%,Medium,0.2805718342692762, https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree
 525,Contiguous Array,42.8%,Medium,0.2770270045517302, https://leetcode.com/problems/contiguous-array
 701,Insert into a Binary Search Tree,77.7%,Medium,0.27518744386988786, https://leetcode.com/problems/insert-into-a-binary-search-tree
 1172,Dinner Plate Stacks,38.2%,Hard,0.2711095169699942, https://leetcode.com/problems/dinner-plate-stacks
 229,Majority Element II,35.6%,Medium,0.2683771567744578, https://leetcode.com/problems/majority-element-ii
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.2681513034845063, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 24,Swap Nodes in Pairs,50.4%,Medium,0.26683115052864725, https://leetcode.com/problems/swap-nodes-in-pairs
 773,Sliding Puzzle,59.3%,Hard,0.26329061932762177, https://leetcode.com/problems/sliding-puzzle
 242,Valid Anagram,56.9%,Easy,0.262948481812954, https://leetcode.com/problems/valid-anagram
 1139,Largest 1-Bordered Square,47.5%,Medium,0.26159729523649006, https://leetcode.com/problems/largest-1-bordered-square
 690,Employee Importance,57.3%,Easy,0.26044752514150726, https://leetcode.com/problems/employee-importance
 1074,Number of Submatrices That Sum to Target,60.4%,Hard,0.2586674025861649, https://leetcode.com/problems/number-of-submatrices-that-sum-to-target
 508,Most Frequent Subtree Sum,57.9%,Medium,0.25863376562317586, https://leetcode.com/problems/most-frequent-subtree-sum
 262,Trips and Users,32.7%,Hard,0.2574582856986366, https://leetcode.com/problems/trips-and-users
 632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.2574120081490246, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
 683,K Empty Slots,35.6%,Hard,0.25708853309999324, https://leetcode.com/problems/k-empty-slots
 1084,Sales Analysis III,54.3%,Easy,0.25658186347459155, https://leetcode.com/problems/sales-analysis-iii
 466,Count The Repetitions,28.2%,Hard,0.2561688067457042, https://leetcode.com/problems/count-the-repetitions
 325,Maximum Size Subarray Sum Equals k,46.8%,Medium,0.2525907526405108, https://leetcode.com/problems/maximum-size-subarray-sum-equals-k
 29,Divide Two Integers,16.4%,Medium,0.2524087060724961, https://leetcode.com/problems/divide-two-integers
 337,House Robber III,50.6%,Medium,0.24474562568123703, https://leetcode.com/problems/house-robber-iii
 270,Closest Binary Search Tree Value,48.5%,Easy,0.24399544337520654, https://leetcode.com/problems/closest-binary-search-tree-value
 94,Binary Tree Inorder Traversal,63.3%,Medium,0.24076588645845454, https://leetcode.com/problems/binary-tree-inorder-traversal
 402,Remove K Digits,28.4%,Medium,0.24067603007585034, https://leetcode.com/problems/remove-k-digits
 662,Maximum Width of Binary Tree,41.0%,Medium,0.23997959968856164, https://leetcode.com/problems/maximum-width-of-binary-tree
 419,Battleships in a Board,70.0%,Medium,0.23987034511952326, https://leetcode.com/problems/battleships-in-a-board
 775,Global and Local Inversions,42.1%,Medium,0.23922968906583414, https://leetcode.com/problems/global-and-local-inversions
 112,Path Sum,41.2%,Easy,0.23803283926479718, https://leetcode.com/problems/path-sum
 1019,Next Greater Node In Linked List,57.4%,Medium,0.2370206170237612, https://leetcode.com/problems/next-greater-node-in-linked-list
 225,Implement Stack using Queues,45.1%,Easy,0.2352539271098461, https://leetcode.com/problems/implement-stack-using-queues
 1188,Design Bounded Blocking Queue,70.5%,Medium,0.23300728083654992, https://leetcode.com/problems/design-bounded-blocking-queue
 397,Integer Replacement,32.9%,Medium,0.2322522675124501, https://leetcode.com/problems/integer-replacement
 698,Partition to K Equal Sum Subsets,45.0%,Medium,0.23205891497216208, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
 509,Fibonacci Number,67.2%,Easy,0.22873204718012582, https://leetcode.com/problems/fibonacci-number
 369,Plus One Linked List,58.2%,Medium,0.22538822116803361, https://leetcode.com/problems/plus-one-linked-list
 159,Longest Substring with At Most Two Distinct Characters,49.4%,Medium,0.22148929121818325, https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters
 1122,Relative Sort Array,67.7%,Easy,0.21796115980722663, https://leetcode.com/problems/relative-sort-array
 939,Minimum Area Rectangle,51.8%,Medium,0.2169226914391073, https://leetcode.com/problems/minimum-area-rectangle
 40,Combination Sum II,48.2%,Medium,0.21560801183996, https://leetcode.com/problems/combination-sum-ii
 81,Search in Rotated Sorted Array II,33.0%,Medium,0.21357410029805904, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
 90,Subsets II,47.1%,Medium,0.2089835112237315, https://leetcode.com/problems/subsets-ii
 279,Perfect Squares,47.4%,Medium,0.20821790109753407, https://leetcode.com/problems/perfect-squares
 83,Remove Duplicates from Sorted List,45.4%,Easy,0.20656326017269647, https://leetcode.com/problems/remove-duplicates-from-sorted-list
 604,Design Compressed String Iterator,37.5%,Easy,0.20585205420414873, https://leetcode.com/problems/design-compressed-string-iterator
 579,Find Cumulative Salary of an Employee,37.0%,Hard,0.20340107258500856, https://leetcode.com/problems/find-cumulative-salary-of-an-employee
 443,String Compression,41.3%,Easy,0.2021974133159511, https://leetcode.com/problems/string-compression
 141,Linked List Cycle,41.1%,Easy,0.2021173215788326, https://leetcode.com/problems/linked-list-cycle
 1143,Longest Common Subsequence,58.4%,Medium,0.20038826657183323, https://leetcode.com/problems/longest-common-subsequence
 44,Wildcard Matching,24.7%,Hard,0.19947835142380788, https://leetcode.com/problems/wildcard-matching
 836,Rectangle Overlap,48.6%,Easy,0.19944370144318244, https://leetcode.com/problems/rectangle-overlap
 1007,Minimum Domino Rotations For Equal Row,50.0%,Medium,0.19906748870593582, https://leetcode.com/problems/minimum-domino-rotations-for-equal-row
 50,Pow(x, n),30.3%,Medium,0.1981682603478686, https://leetcode.com/problems/powx-n
 1315,Sum of Nodes with Even-Valued Grandparent,83.5%,Medium,0.19757677034220278, https://leetcode.com/problems/sum-of-nodes-with-even-valued-grandparent
 637,Average of Levels in Binary Tree,63.1%,Easy,0.1972664368553499, https://leetcode.com/problems/average-of-levels-in-binary-tree
 214,Shortest Palindrome,29.8%,Hard,0.19671029424605424, https://leetcode.com/problems/shortest-palindrome
 1062,Longest Repeating Substring,57.2%,Medium,0.19627990904466153, https://leetcode.com/problems/longest-repeating-substring
 1360,Number of Days Between Two Dates,48.8%,Easy,0.19578302313828744, https://leetcode.com/problems/number-of-days-between-two-dates
 581,Shortest Unsorted Continuous Subarray,31.1%,Easy,0.19466945271128616, https://leetcode.com/problems/shortest-unsorted-continuous-subarray
 73,Set Matrix Zeroes,43.1%,Medium,0.19305803523368698, https://leetcode.com/problems/set-matrix-zeroes
 451,Sort Characters By Frequency,63.0%,Medium,0.19214843173356422, https://leetcode.com/problems/sort-characters-by-frequency
 1198,Find Smallest Common Element in All Rows,74.9%,Medium,0.19105523676270922, https://leetcode.com/problems/find-smallest-common-element-in-all-rows
 756,Pyramid Transition Matrix,54.6%,Medium,0.19105523676270922, https://leetcode.com/problems/pyramid-transition-matrix
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.19007687356143277, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 864,Shortest Path to Get All Keys,40.1%,Hard,0.18924199963852842, https://leetcode.com/problems/shortest-path-to-get-all-keys
 136,Single Number,65.5%,Easy,0.18865964400599367, https://leetcode.com/problems/single-number
 900,RLE Iterator,53.5%,Medium,0.1884471502206373, https://leetcode.com/problems/rle-iterator
 178,Rank Scores,45.8%,Medium,0.18843907402659216, https://leetcode.com/problems/rank-scores
 7,Reverse Integer,25.8%,Easy,0.18680592133798127, https://leetcode.com/problems/reverse-integer
 743,Network Delay Time,45.0%,Medium,0.18664052695637473, https://leetcode.com/problems/network-delay-time
 181,Employees Earning More Than Their Managers,56.9%,Easy,0.18496356625679328, https://leetcode.com/problems/employees-earning-more-than-their-managers
 307,Range Sum Query - Mutable,34.6%,Medium,0.1842870214165705, https://leetcode.com/problems/range-sum-query-mutable
 137,Single Number II,52.4%,Medium,0.18373876827436816, https://leetcode.com/problems/single-number-ii
 969,Pancake Sorting,67.5%,Medium,0.18336922582639836, https://leetcode.com/problems/pancake-sorting
 226,Invert Binary Tree,65.0%,Easy,0.18135450553395235, https://leetcode.com/problems/invert-binary-tree
 407,Trapping Rain Water II,42.4%,Hard,0.17945093763999478, https://leetcode.com/problems/trapping-rain-water-ii
 163,Missing Ranges,24.3%,Medium,0.17904823144898546, https://leetcode.com/problems/missing-ranges
 316,Remove Duplicate Letters,35.8%,Hard,0.17663825552387563, https://leetcode.com/problems/remove-duplicate-letters
 162,Find Peak Element,43.3%,Medium,0.17622454513525765, https://leetcode.com/problems/find-peak-element
 130,Surrounded Regions,28.1%,Medium,0.17613332483584074, https://leetcode.com/problems/surrounded-regions
 473,Matchsticks to Square,37.7%,Medium,0.17589066646366422, https://leetcode.com/problems/matchsticks-to-square
 453,Minimum Moves to Equal Array Elements,50.2%,Easy,0.17435338714477774, https://leetcode.com/problems/minimum-moves-to-equal-array-elements
 415,Add Strings,47.5%,Easy,0.17429245611868044, https://leetcode.com/problems/add-strings
 202,Happy Number,50.4%,Easy,0.17408932588103054, https://leetcode.com/problems/happy-number
 1002,Find Common Characters,67.6%,Easy,0.17272065827709143, https://leetcode.com/problems/find-common-characters
 350,Intersection of Two Arrays II,51.4%,Easy,0.1723244267089384, https://leetcode.com/problems/intersection-of-two-arrays-ii
 929,Unique Email Addresses,67.4%,Easy,0.17132822097463707, https://leetcode.com/problems/unique-email-addresses
 264,Ugly Number II,42.0%,Medium,0.1712203840326157, https://leetcode.com/problems/ugly-number-ii
 609,Find Duplicate File in System,59.5%,Medium,0.16971838464062922, https://leetcode.com/problems/find-duplicate-file-in-system
 1430,Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree,44.8%,Medium,0.16917873135476025, https://leetcode.com/problems/check-if-a-string-is-a-valid-sequence-from-root-to-leaves-path-in-a-binary-tree
 69,Sqrt(x),33.9%,Easy,0.1690194941008683, https://leetcode.com/problems/sqrtx
 618,Students Report By Geography,55.0%,Hard,0.1684645221325284, https://leetcode.com/problems/students-report-by-geography
 70,Climbing Stairs,47.8%,Easy,0.16776798899548578, https://leetcode.com/problems/climbing-stairs
 805,Split Array With Same Average,26.4%,Hard,0.16635770580494058, https://leetcode.com/problems/split-array-with-same-average
 963,Minimum Area Rectangle II,50.9%,Medium,0.16635770580494058, https://leetcode.com/problems/minimum-area-rectangle-ii
 232,Implement Queue using Stacks,49.6%,Easy,0.16627106739678052, https://leetcode.com/problems/implement-queue-using-stacks
 1024,Video Stitching,49.2%,Medium,0.16582008790006805, https://leetcode.com/problems/video-stitching
 412,Fizz Buzz,62.3%,Easy,0.16533767872713678, https://leetcode.com/problems/fizz-buzz
 244,Shortest Word Distance II,52.3%,Medium,0.16400297627026994, https://leetcode.com/problems/shortest-word-distance-ii
 204,Count Primes,31.5%,Easy,0.1633347782917643, https://leetcode.com/problems/count-primes
 110,Balanced Binary Tree,43.5%,Easy,0.16237787582661925, https://leetcode.com/problems/balanced-binary-tree
 881,Boats to Save People,46.8%,Medium,0.16229864091884685, https://leetcode.com/problems/boats-to-save-people
 1373,Maximum Sum BST in Binary Tree,40.2%,Hard,0.1599143845440084, https://leetcode.com/problems/maximum-sum-bst-in-binary-tree
 727,Minimum Window Subsequence,41.8%,Hard,0.15970111035790735, https://leetcode.com/problems/minimum-window-subsequence
 131,Palindrome Partitioning,47.5%,Medium,0.15829229898055353, https://leetcode.com/problems/palindrome-partitioning
 209,Minimum Size Subarray Sum,38.2%,Medium,0.1579457507958099, https://leetcode.com/problems/minimum-size-subarray-sum
 189,Rotate Array,34.7%,Easy,0.1575195768933631, https://leetcode.com/problems/rotate-array
 266,Palindrome Permutation,61.9%,Easy,0.15687671513649673, https://leetcode.com/problems/palindrome-permutation
 381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.15656906069153992, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
 507,Perfect Number,35.5%,Easy,0.15656906069153992, https://leetcode.com/problems/perfect-number
 844,Backspace String Compare,46.4%,Easy,0.15656906069153992, https://leetcode.com/problems/backspace-string-compare
 450,Delete Node in a BST,43.1%,Medium,0.15561959910053247, https://leetcode.com/problems/delete-node-in-a-bst
 257,Binary Tree Paths,51.5%,Easy,0.15546387765221875, https://leetcode.com/problems/binary-tree-paths
 335,Self Crossing,28.0%,Hard,0.15535044001916237, https://leetcode.com/problems/self-crossing
 351,Android Unlock Patterns,48.4%,Medium,0.15521621002929656, https://leetcode.com/problems/android-unlock-patterns
 1008,Construct Binary Search Tree from Preorder Traversal,78.4%,Medium,0.15488164972391183, https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal
 847,Shortest Path Visiting All Nodes,52.0%,Hard,0.1541506798272583, https://leetcode.com/problems/shortest-path-visiting-all-nodes
 686,Repeated String Match,32.3%,Easy,0.1506602748874898, https://leetcode.com/problems/repeated-string-match
 1242,Web Crawler Multithreaded,45.9%,Medium,0.14953173397096375, https://leetcode.com/problems/web-crawler-multithreaded
 406,Queue Reconstruction by Height,66.9%,Medium,0.14940738524724317, https://leetcode.com/problems/queue-reconstruction-by-height
 344,Reverse String,68.5%,Easy,0.14882646558712123, https://leetcode.com/problems/reverse-string
 541,Reverse String II,48.4%,Easy,0.14881831452142824, https://leetcode.com/problems/reverse-string-ii
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.1483524778541147, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 61,Rotate List,30.0%,Medium,0.1480759782807871, https://leetcode.com/problems/rotate-list
 849,Maximize Distance to Closest Person,42.6%,Easy,0.14723779073708934, https://leetcode.com/problems/maximize-distance-to-closest-person
 241,Different Ways to Add Parentheses,55.2%,Medium,0.14691814457724592, https://leetcode.com/problems/different-ways-to-add-parentheses
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.14586085041092384, https://leetcode.com/problems/maximum-depth-of-binary-tree
 852,Peak Index in a Mountain Array,71.6%,Easy,0.1445812288111076, https://leetcode.com/problems/peak-index-in-a-mountain-array
 47,Permutations II,46.4%,Medium,0.14455786186832048, https://leetcode.com/problems/permutations-ii
 310,Minimum Height Trees,32.3%,Medium,0.143926096421159, https://leetcode.com/problems/minimum-height-trees
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.14261022668001652, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 183,Customers Who Never Order,53.4%,Easy,0.14230985257093545, https://leetcode.com/problems/customers-who-never-order
 919,Complete Binary Tree Inserter,57.3%,Medium,0.14008879317068168, https://leetcode.com/problems/complete-binary-tree-inserter
 731,My Calendar II,49.1%,Medium,0.13976194237515868, https://leetcode.com/problems/my-calendar-ii
 9,Palindrome Number,48.4%,Easy,0.13896461684712066, https://leetcode.com/problems/palindrome-number
 354,Russian Doll Envelopes,35.6%,Hard,0.13850969523609932, https://leetcode.com/problems/russian-doll-envelopes
 771,Jewels and Stones,86.4%,Easy,0.13806778839055484, https://leetcode.com/problems/jewels-and-stones
 1005,Maximize Sum Of Array After K Negations,51.3%,Easy,0.13804422079620546, https://leetcode.com/problems/maximize-sum-of-array-after-k-negations
 702,Search in a Sorted Array of Unknown Size,66.9%,Medium,0.13783247452391326, https://leetcode.com/problems/search-in-a-sorted-array-of-unknown-size
 250,Count Univalue Subtrees,52.0%,Medium,0.13767409129953323, https://leetcode.com/problems/count-univalue-subtrees
 299,Bulls and Cows,42.4%,Easy,0.1373584160478243, https://leetcode.com/problems/bulls-and-cows
 1161,Maximum Level Sum of a Binary Tree,72.2%,Medium,0.13727657783562877, https://leetcode.com/problems/maximum-level-sum-of-a-binary-tree
 427,Construct Quad Tree,61.4%,Medium,0.13580154115906176, https://leetcode.com/problems/construct-quad-tree
 1405,Longest Happy String,49.0%,Medium,0.1343297958605471, https://leetcode.com/problems/longest-happy-string
 732,My Calendar III,60.0%,Hard,0.13397932096347895, https://leetcode.com/problems/my-calendar-iii
 938,Range Sum of BST,81.3%,Easy,0.13320152292006351, https://leetcode.com/problems/range-sum-of-bst
 305,Number of Islands II,40.1%,Hard,0.1304306149462744, https://leetcode.com/problems/number-of-islands-ii
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.13035872370331572, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 1117,Building H2O,52.6%,Medium,0.12796988096337653, https://leetcode.com/problems/building-h2o
 567,Permutation in String,44.4%,Medium,0.1271102185315222, https://leetcode.com/problems/permutation-in-string
 559,Maximum Depth of N-ary Tree,68.7%,Easy,0.126784545822395, https://leetcode.com/problems/maximum-depth-of-n-ary-tree
 1059,All Paths from Source Lead to Destination,44.7%,Medium,0.12675170563914387, https://leetcode.com/problems/all-paths-from-source-lead-to-destination
 359,Logger Rate Limiter,70.8%,Easy,0.1248502028794759, https://leetcode.com/problems/logger-rate-limiter
 106,Construct Binary Tree from Inorder and Postorder Traversal,47.2%,Medium,0.12381146988063069, https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
 873,Length of Longest Fibonacci Subsequence,48.0%,Medium,0.12378418901663191, https://leetcode.com/problems/length-of-longest-fibonacci-subsequence
 741,Cherry Pickup,33.9%,Hard,0.12293768624504794, https://leetcode.com/problems/cherry-pickup
 1086,High Five,79.7%,Easy,0.12219606573898939, https://leetcode.com/problems/high-five
 222,Count Complete Tree Nodes,46.8%,Medium,0.119584908524332, https://leetcode.com/problems/count-complete-tree-nodes
 1026,Maximum Difference Between Node and Ancestor,66.0%,Medium,0.11947365313429092, https://leetcode.com/problems/maximum-difference-between-node-and-ancestor
 839,Similar String Groups,38.6%,Hard,0.11934675763256619, https://leetcode.com/problems/similar-string-groups
 304,Range Sum Query 2D - Immutable,38.6%,Medium,0.11875551458160917, https://leetcode.com/problems/range-sum-query-2d-immutable
 175,Combine Two Tables,60.8%,Easy,0.11655892700886014, https://leetcode.com/problems/combine-two-tables
 368,Largest Divisible Subset,38.0%,Medium,0.11624101530456815, https://leetcode.com/problems/largest-divisible-subset
 160,Intersection of Two Linked Lists,40.6%,Easy,0.11585676607984101, https://leetcode.com/problems/intersection-of-two-linked-lists
 435,Non-overlapping Intervals,42.9%,Medium,0.1158164666843426, https://leetcode.com/problems/non-overlapping-intervals
 281,Zigzag Iterator,58.4%,Medium,0.11506932978478719, https://leetcode.com/problems/zigzag-iterator
 1375,Bulb Switcher III,62.6%,Medium,0.11506932978478719, https://leetcode.com/problems/bulb-switcher-iii
 515,Find Largest Value in Each Tree Row,61.1%,Medium,0.11375888535665801, https://leetcode.com/problems/find-largest-value-in-each-tree-row
 339,Nested List Weight Sum,74.0%,Easy,0.11351649636962678, https://leetcode.com/problems/nested-list-weight-sum
 452,Minimum Number of Arrows to Burst Balloons,49.6%,Medium,0.11303480731768517, https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons
 742,Closest Leaf in a Binary Tree,43.6%,Medium,0.11060987154397002, https://leetcode.com/problems/closest-leaf-in-a-binary-tree
 174,Dungeon Game,32.3%,Hard,0.11053338064061342, https://leetcode.com/problems/dungeon-game
 382,Linked List Random Node,52.1%,Medium,0.11013564249600598, https://leetcode.com/problems/linked-list-random-node
 924,Minimize Malware Spread,42.0%,Hard,0.10821358464023274, https://leetcode.com/problems/minimize-malware-spread
 321,Create Maximum Number,27.0%,Hard,0.10821358464023274, https://leetcode.com/problems/create-maximum-number
 889,Construct Binary Tree from Preorder and Postorder Traversal,66.2%,Medium,0.10711776476069794, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal
 115,Distinct Subsequences,38.3%,Hard,0.10683933709559944, https://leetcode.com/problems/distinct-subsequences
 966,Vowel Spellchecker,47.2%,Medium,0.10676797542570607, https://leetcode.com/problems/vowel-spellchecker
 1153,String Transforms Into Another String,35.8%,Hard,0.10623186692973738, https://leetcode.com/problems/string-transforms-into-another-string
 267,Palindrome Permutation II,36.4%,Medium,0.10345133738802471, https://leetcode.com/problems/palindrome-permutation-ii
 486,Predict the Winner,47.9%,Medium,0.10306596722039207, https://leetcode.com/problems/predict-the-winner
 1013,Partition Array Into Three Parts With Equal Sum,51.8%,Easy,0.10294796925244239, https://leetcode.com/problems/partition-array-into-three-parts-with-equal-sum
 393,UTF-8 Validation,37.5%,Medium,0.10212949507637983, https://leetcode.com/problems/utf-8-validation
 523,Continuous Subarray Sum,24.6%,Medium,0.1016388887348317, https://leetcode.com/problems/continuous-subarray-sum
 1162,As Far from Land as Possible,43.5%,Medium,0.09876441467241241, https://leetcode.com/problems/as-far-from-land-as-possible
 1023,Camelcase Matching,57.0%,Medium,0.09860197680453955, https://leetcode.com/problems/camelcase-matching
 862,Shortest Subarray with Sum at Least K,24.6%,Hard,0.09793753498670578, https://leetcode.com/problems/shortest-subarray-with-sum-at-least-k
 951,Flip Equivalent Binary Trees,65.8%,Medium,0.09745990610645301, https://leetcode.com/problems/flip-equivalent-binary-trees
 1202,Smallest String With Swaps,46.5%,Medium,0.09740053011838201, https://leetcode.com/problems/smallest-string-with-swaps
 100,Same Tree,53.4%,Easy,0.09694519966241283, https://leetcode.com/problems/same-tree
 390,Elimination Game,44.5%,Medium,0.09576690509200843, https://leetcode.com/problems/elimination-game
 280,Wiggle Sort,63.8%,Medium,0.09561417737468547, https://leetcode.com/problems/wiggle-sort
 807,Max Increase to Keep City Skyline,83.7%,Medium,0.09510858722224913, https://leetcode.com/problems/max-increase-to-keep-city-skyline
 132,Palindrome Partitioning II,30.2%,Hard,0.0943539685775445, https://leetcode.com/problems/palindrome-partitioning-ii
 720,Longest Word in Dictionary,48.2%,Easy,0.09362342046209744, https://leetcode.com/problems/longest-word-in-dictionary
 826,Most Profit Assigning Work,38.5%,Medium,0.09287412500644375, https://leetcode.com/problems/most-profit-assigning-work
 38,Count and Say,44.6%,Easy,0.09192820125669567, https://leetcode.com/problems/count-and-say
 447,Number of Boomerangs,51.8%,Easy,0.09159716909540325, https://leetcode.com/problems/number-of-boomerangs
 198,House Robber,42.0%,Easy,0.08994823666293948, https://leetcode.com/problems/house-robber
 328,Odd Even Linked List,55.7%,Medium,0.08983684638843294, https://leetcode.com/problems/odd-even-linked-list
 358,Rearrange String k Distance Apart,34.9%,Hard,0.08894748601649616, https://leetcode.com/problems/rearrange-string-k-distance-apart
 995,Minimum Number of K Consecutive Bit Flips,46.8%,Hard,0.08894748601649616, https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips
 65,Valid Number,15.3%,Hard,0.08845542056186342, https://leetcode.com/problems/valid-number
 145,Binary Tree Postorder Traversal,55.0%,Hard,0.08837759395949414, https://leetcode.com/problems/binary-tree-postorder-traversal
 549,Binary Tree Longest Consecutive Sequence II,47.0%,Medium,0.08816278759467164, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence-ii
 433,Minimum Genetic Mutation,41.8%,Medium,0.08701137698962977, https://leetcode.com/problems/minimum-genetic-mutation
 1247,Minimum Swaps to Make Strings Equal,60.1%,Medium,0.08626034428440695, https://leetcode.com/problems/minimum-swaps-to-make-strings-equal
 942,DI String Match,72.6%,Easy,0.08495672247596549, https://leetcode.com/problems/di-string-match
 916,Word Subsets,47.8%,Medium,0.08479653666007693, https://leetcode.com/problems/word-subsets
 582,Kill Process,60.8%,Medium,0.08355588569097351, https://leetcode.com/problems/kill-process
 1245,Tree Diameter,60.1%,Medium,0.08338160893905106, https://leetcode.com/problems/tree-diameter
 905,Sort Array By Parity,74.1%,Easy,0.08328510247304294, https://leetcode.com/problems/sort-array-by-parity
 841,Keys and Rooms,64.3%,Medium,0.08307836859709818, https://leetcode.com/problems/keys-and-rooms
 871,Minimum Number of Refueling Stops,31.4%,Hard,0.08252102368800351, https://leetcode.com/problems/minimum-number-of-refueling-stops
 654,Maximum Binary Tree,79.9%,Medium,0.08000266362507777, https://leetcode.com/problems/maximum-binary-tree
 884,Uncommon Words from Two Sentences,63.3%,Easy,0.07990051073053109, https://leetcode.com/problems/uncommon-words-from-two-sentences
 1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.07986504044378952, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
 118,Pascal's Triangle,52.5%,Easy,0.07970401164997687, https://leetcode.com/problems/pascals-triangle
 60,Permutation Sequence,38.4%,Hard,0.07948571541724253, https://leetcode.com/problems/permutation-sequence
 875,Koko Eating Bananas,52.1%,Medium,0.07919704166119315, https://leetcode.com/problems/koko-eating-bananas
 1047,Remove All Adjacent Duplicates In String,68.6%,Easy,0.0789551324793932, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string
 784,Letter Case Permutation,64.6%,Medium,0.0787033338274549, https://leetcode.com/problems/letter-case-permutation
 180,Consecutive Numbers,39.7%,Medium,0.07851014032375832, https://leetcode.com/problems/consecutive-numbers
 1254,Number of Closed Islands,60.5%,Medium,0.07796154146971186, https://leetcode.com/problems/number-of-closed-islands
 904,Fruit Into Baskets,42.5%,Medium,0.07767124189113186, https://leetcode.com/problems/fruit-into-baskets
 125,Valid Palindrome,36.7%,Easy,0.07766984472754161, https://leetcode.com/problems/valid-palindrome
 977,Squares of a Sorted Array,72.1%,Easy,0.07598590697792203, https://leetcode.com/problems/squares-of-a-sorted-array
 468,Validate IP Address,24.1%,Medium,0.07598590697792203, https://leetcode.com/problems/validate-ip-address
 765,Couples Holding Hands,54.3%,Hard,0.07579383936953364, https://leetcode.com/problems/couples-holding-hands
 217,Contains Duplicate,56.0%,Easy,0.07423027387221347, https://leetcode.com/problems/contains-duplicate
 974,Subarray Sums Divisible by K,48.9%,Medium,0.07423027387221347, https://leetcode.com/problems/subarray-sums-divisible-by-k
 184,Department Highest Salary,36.7%,Medium,0.07292523990467245, https://leetcode.com/problems/department-highest-salary
 539,Minimum Time Difference,51.5%,Medium,0.07236429254889504, https://leetcode.com/problems/minimum-time-difference
 860,Lemonade Change,51.6%,Easy,0.07208884919207953, https://leetcode.com/problems/lemonade-change
 290,Word Pattern,37.0%,Easy,0.071651050037288, https://leetcode.com/problems/word-pattern
 1082,Sales Analysis I,71.8%,Easy,0.07145896398214495, https://leetcode.com/problems/sales-analysis-i
 570,Managers with at Least 5 Direct Reports,66.0%,Medium,0.07020425867324853, https://leetcode.com/problems/managers-with-at-least-5-direct-reports
 1146,Snapshot Array,37.0%,Medium,0.07017687679183775, https://leetcode.com/problems/snapshot-array
 1114,Print in Order,65.7%,Easy,0.0700675626167169, https://leetcode.com/problems/print-in-order
 621,Task Scheduler,50.1%,Medium,0.06851994643675606, https://leetcode.com/problems/task-scheduler
 1081,Smallest Subsequence of Distinct Characters,50.4%,Medium,0.06840272688440052, https://leetcode.com/problems/smallest-subsequence-of-distinct-characters
 171,Excel Sheet Column Number,55.9%,Easy,0.06799791190723256, https://leetcode.com/problems/excel-sheet-column-number
 1060,Missing Element in Sorted Array,54.5%,Medium,0.06796670413163937, https://leetcode.com/problems/missing-element-in-sorted-array
 365,Water and Jug Problem,30.6%,Medium,0.06736553182757604, https://leetcode.com/problems/water-and-jug-problem
 584,Find Customer Referee,72.3%,Easy,0.06592172080482424, https://leetcode.com/problems/find-customer-referee
 671,Second Minimum Node In a Binary Tree,42.7%,Easy,0.06538275926285174, https://leetcode.com/problems/second-minimum-node-in-a-binary-tree
 1270,All People Report to the Given Manager,87.1%,Medium,0.06412452816953867, https://leetcode.com/problems/all-people-report-to-the-given-manager
 855,Exam Room,43.1%,Medium,0.06371581438610768, https://leetcode.com/problems/exam-room
 413,Arithmetic Slices,57.9%,Medium,0.06286986221654821, https://leetcode.com/problems/arithmetic-slices
 334,Increasing Triplet Subsequence,40.0%,Medium,0.06274107505168265, https://leetcode.com/problems/increasing-triplet-subsequence
 1299,Replace Elements with Greatest Element on Right Side,75.4%,Easy,0.06197770027589752, https://leetcode.com/problems/replace-elements-with-greatest-element-on-right-side
 801,Minimum Swaps To Make Sequences Increasing,38.9%,Medium,0.06146327443046864, https://leetcode.com/problems/minimum-swaps-to-make-sequences-increasing
 420,Strong Password Checker,14.0%,Hard,0.061087691979838175, https://leetcode.com/problems/strong-password-checker
 796,Rotate String,49.6%,Easy,0.059778751425839334, https://leetcode.com/problems/rotate-string
 931,Minimum Falling Path Sum,62.5%,Medium,0.05914995982464103, https://leetcode.com/problems/minimum-falling-path-sum
 475,Heaters,33.1%,Easy,0.058155920157074034, https://leetcode.com/problems/heaters
 52,N-Queens II,57.9%,Hard,0.058155920157074034, https://leetcode.com/problems/n-queens-ii
 783,Minimum Distance Between BST Nodes,52.6%,Easy,0.05800594958851697, https://leetcode.com/problems/minimum-distance-between-bst-nodes
 979,Distribute Coins in Binary Tree,68.9%,Medium,0.05800594958851697, https://leetcode.com/problems/distribute-coins-in-binary-tree
 1233,Remove Sub-Folders from the Filesystem,59.5%,Medium,0.057076831135436705, https://leetcode.com/problems/remove-sub-folders-from-the-filesystem
 586,Customer Placing the Largest Number of Orders,73.0%,Easy,0.0568334747631659, https://leetcode.com/problems/customer-placing-the-largest-number-of-orders
 421,Maximum XOR of Two Numbers in an Array,53.5%,Medium,0.055569851154810765, https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array
 404,Sum of Left Leaves,50.9%,Easy,0.05478946358617918, https://leetcode.com/problems/sum-of-left-leaves
 345,Reverse Vowels of a String,44.2%,Easy,0.054658412537864055, https://leetcode.com/problems/reverse-vowels-of-a-string
 557,Reverse Words in a String III,69.8%,Easy,0.05383068775874275, https://leetcode.com/problems/reverse-words-in-a-string-iii
 714,Best Time to Buy and Sell Stock with Transaction Fee,54.7%,Medium,0.05377639678080413, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee
 719,Find K-th Smallest Pair Distance,31.5%,Hard,0.05370417897186106, https://leetcode.com/problems/find-k-th-smallest-pair-distance
 679,24 Game,46.4%,Hard,0.05341723749698583, https://leetcode.com/problems/24-game
 416,Partition Equal Subset Sum,43.7%,Medium,0.05309102319682948, https://leetcode.com/problems/partition-equal-subset-sum
 601,Human Traffic of Stadium,41.7%,Hard,0.05223119222544569, https://leetcode.com/problems/human-traffic-of-stadium
 687,Longest Univalue Path,36.2%,Easy,0.05212529063213289, https://leetcode.com/problems/longest-univalue-path
 791,Custom Sort String,65.7%,Medium,0.05164658886216683, https://leetcode.com/problems/custom-sort-string
 429,N-ary Tree Level Order Traversal,65.0%,Medium,0.051616961836787136, https://leetcode.com/problems/n-ary-tree-level-order-traversal
 66,Plus One,43.0%,Easy,0.05095832569582088, https://leetcode.com/problems/plus-one
 1339,Maximum Product of Splitted Binary Tree,37.2%,Medium,0.05064373281875492, https://leetcode.com/problems/maximum-product-of-splitted-binary-tree
 617,Merge Two Binary Trees,74.1%,Easy,0.05055666138939678, https://leetcode.com/problems/merge-two-binary-trees
 681,Next Closest Time,45.0%,Medium,0.05045206096038863, https://leetcode.com/problems/next-closest-time
 684,Redundant Connection,57.4%,Medium,0.05020574670015159, https://leetcode.com/problems/redundant-connection
 792,Number of Matching Subsequences,47.4%,Medium,0.04976150955906385, https://leetcode.com/problems/number-of-matching-subsequences
 77,Combinations,54.7%,Medium,0.04928622947983693, https://leetcode.com/problems/combinations
 67,Add Binary,45.2%,Easy,0.049093096377302976, https://leetcode.com/problems/add-binary
 1267,Count Servers that Communicate,57.9%,Medium,0.04902942724031861, https://leetcode.com/problems/count-servers-that-communicate
 725,Split Linked List in Parts,52.2%,Medium,0.04603804920255727, https://leetcode.com/problems/split-linked-list-in-parts
 1248,Count Number of Nice Subarrays,56.4%,Medium,0.04593229889743518, https://leetcode.com/problems/count-number-of-nice-subarrays
 856,Score of Parentheses,60.5%,Medium,0.04567003683318837, https://leetcode.com/problems/score-of-parentheses
 151,Reverse Words in a String,21.9%,Medium,0.04549485717913582, https://leetcode.com/problems/reverse-words-in-a-string
 1108,Defanging an IP Address,87.5%,Easy,0.044971606629326595, https://leetcode.com/problems/defanging-an-ip-address
 1382,Balance a Binary Search Tree,74.8%,Medium,0.04480032475536626, https://leetcode.com/problems/balance-a-binary-search-tree
 493,Reverse Pairs,25.2%,Hard,0.043110123653728516, https://leetcode.com/problems/reverse-pairs
 704,Binary Search,52.1%,Easy,0.04172704422666836, https://leetcode.com/problems/binary-search
 532,K-diff Pairs in an Array,31.6%,Easy,0.041672696400568025, https://leetcode.com/problems/k-diff-pairs-in-an-array
 590,N-ary Tree Postorder Traversal,72.1%,Easy,0.040454954692313666, https://leetcode.com/problems/n-ary-tree-postorder-traversal
 918,Maximum Sum Circular Subarray,33.7%,Medium,0.04045040846284272, https://leetcode.com/problems/maximum-sum-circular-subarray
 142,Linked List Cycle II,37.3%,Medium,0.04034106216103786, https://leetcode.com/problems/linked-list-cycle-ii
 107,Binary Tree Level Order Traversal II,53.5%,Easy,0.03948712621281427, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
 1049,Last Stone Weight II,44.2%,Medium,0.03902934390573525, https://leetcode.com/problems/last-stone-weight-ii
 657,Robot Return to Origin,73.5%,Easy,0.03896596853338373, https://leetcode.com/problems/robot-return-to-origin
 231,Power of Two,43.7%,Easy,0.0383924310382344, https://leetcode.com/problems/power-of-two
 1110,Delete Nodes And Return Forest,67.0%,Medium,0.03698038470938097, https://leetcode.com/problems/delete-nodes-and-return-forest
 646,Maximum Length of Pair Chain,51.9%,Medium,0.036870535808327706, https://leetcode.com/problems/maximum-length-of-pair-chain
 626,Exchange Seats,62.3%,Medium,0.03676884778708897, https://leetcode.com/problems/exchange-seats
 376,Wiggle Subsequence,39.6%,Medium,0.03666771919188123, https://leetcode.com/problems/wiggle-subsequence
 673,Number of Longest Increasing Subsequence,35.7%,Medium,0.036467121912812143, https://leetcode.com/problems/number-of-longest-increasing-subsequence
 1029,Two City Scheduling,56.1%,Easy,0.03633827343880724, https://leetcode.com/problems/two-city-scheduling
 43,Multiply Strings,33.9%,Medium,0.03608871558298825, https://leetcode.com/problems/multiply-strings
 705,Design HashSet,64.3%,Easy,0.03401688527825427, https://leetcode.com/problems/design-hashset
 561,Array Partition I,72.0%,Easy,0.033850542978687455, https://leetcode.com/problems/array-partition-i
 912,Sort an Array,63.9%,Medium,0.03218010960381167, https://leetcode.com/problems/sort-an-array
 953,Verifying an Alien Dictionary,54.1%,Easy,0.03117337947619734, https://leetcode.com/problems/verifying-an-alien-dictionary
 814,Binary Tree Pruning,74.5%,Medium,0.03113091859517317, https://leetcode.com/problems/binary-tree-pruning
 1179,Reformat Department Table,80.6%,Easy,0.030653741091002412, https://leetcode.com/problems/reformat-department-table
 1027,Longest Arithmetic Sequence,53.4%,Medium,0.03030534949532895, https://leetcode.com/problems/longest-arithmetic-sequence
 319,Bulb Switcher,45.4%,Medium,0.029852963149681156, https://leetcode.com/problems/bulb-switcher
 501,Find Mode in Binary Search Tree,42.4%,Easy,0.029808466297826082, https://leetcode.com/problems/find-mode-in-binary-search-tree
 191,Number of 1 Bits,49.8%,Easy,0.029560622742018188, https://leetcode.com/problems/number-of-1-bits
 779,K-th Symbol in Grammar,37.2%,Medium,0.029050699422092676, https://leetcode.com/problems/k-th-symbol-in-grammar
 219,Contains Duplicate II,37.7%,Easy,0.028500979167549973, https://leetcode.com/problems/contains-duplicate-ii
 213,House Robber II,36.5%,Medium,0.028250466285851712, https://leetcode.com/problems/house-robber-ii
 811,Subdomain Visit Count,69.9%,Easy,0.02772180293027194, https://leetcode.com/problems/subdomain-visit-count
 311,Sparse Matrix Multiplication,61.9%,Medium,0.027702602549335792, https://leetcode.com/problems/sparse-matrix-multiplication
 249,Group Shifted Strings,55.1%,Medium,0.0276069982440099, https://leetcode.com/problems/group-shifted-strings
 119,Pascal's Triangle II,49.0%,Easy,0.026565907037593445, https://leetcode.com/problems/pascals-triangle-ii
 158,Read N Characters Given Read4 II - Call multiple times,33.8%,Hard,0.026196651946570663, https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
 203,Remove Linked List Elements,38.6%,Easy,0.025668142709851988, https://leetcode.com/problems/remove-linked-list-elements
 1395,Count Number of Teams,82.0%,Medium,0.025462865161248044, https://leetcode.com/problems/count-number-of-teams
 752,Open the Lock,51.8%,Medium,0.024586364440127736, https://leetcode.com/problems/open-the-lock
 605,Can Place Flowers,31.6%,Easy,0.02457126073050533, https://leetcode.com/problems/can-place-flowers
 338,Counting Bits,69.5%,Medium,0.024325523767440974, https://leetcode.com/problems/counting-bits
 414,Third Maximum Number,30.5%,Easy,0.023155137938555212, https://leetcode.com/problems/third-maximum-number
 1160,Find Words That Can Be Formed by Characters,67.4%,Easy,0.02262539951797868, https://leetcode.com/problems/find-words-that-can-be-formed-by-characters
 216,Combination Sum III,56.6%,Medium,0.02261260849011709, https://leetcode.com/problems/combination-sum-iii
 746,Min Cost Climbing Stairs,50.3%,Easy,0.021957456927373643, https://leetcode.com/problems/min-cost-climbing-stairs
 958,Check Completeness of a Binary Tree,52.1%,Medium,0.021763644636359686, https://leetcode.com/problems/check-completeness-of-a-binary-tree
 1520,Maximum Number of Non-Overlapping Substrings,32.8%,Hard,0.021485667755491482, https://leetcode.com/problems/maximum-number-of-non-overlapping-substrings
 921,Minimum Add to Make Parentheses Valid,73.7%,Medium,0.021425565169310254, https://leetcode.com/problems/minimum-add-to-make-parentheses-valid
 459,Repeated Substring Pattern,42.2%,Easy,0.021402636114384706, https://leetcode.com/problems/repeated-substring-pattern
 485,Max Consecutive Ones,54.6%,Easy,0.021092266245534258, https://leetcode.com/problems/max-consecutive-ones
 377,Combination Sum IV,45.3%,Medium,0.02087758502155521, https://leetcode.com/problems/combination-sum-iv
 670,Maximum Swap,43.6%,Medium,0.020844944430365928, https://leetcode.com/problems/maximum-swap
 392,Is Subsequence,49.2%,Easy,0.02033508842008217, https://leetcode.com/problems/is-subsequence
 166,Fraction to Recurring Decimal,21.6%,Medium,0.02015181543730795, https://leetcode.com/problems/fraction-to-recurring-decimal
 1048,Longest String Chain,54.7%,Medium,0.019361689049145963, https://leetcode.com/problems/longest-string-chain
 669,Trim a Binary Search Tree,63.0%,Easy,0.019139340210697423, https://leetcode.com/problems/trim-a-binary-search-tree
 674,Longest Continuous Increasing Subsequence,45.9%,Easy,0.01900294712561538, https://leetcode.com/problems/longest-continuous-increasing-subsequence
 196,Delete Duplicate Emails,41.1%,Easy,0.018735911057469818, https://leetcode.com/problems/delete-duplicate-emails
 965,Univalued Binary Tree,67.7%,Easy,0.018665964249802672, https://leetcode.com/problems/univalued-binary-tree
 35,Search Insert Position,42.6%,Easy,0.018459222797986813, https://leetcode.com/problems/search-insert-position
 260,Single Number III,64.3%,Medium,0.01811279141389457, https://leetcode.com/problems/single-number-iii
 309,Best Time to Buy and Sell Stock with Cooldown,47.4%,Medium,0.01767954966181075, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown
 383,Ransom Note,53.1%,Easy,0.017621601349819518, https://leetcode.com/problems/ransom-note
 872,Leaf-Similar Trees,64.5%,Easy,0.01752125418714782, https://leetcode.com/problems/leaf-similar-trees
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.017426260234777304, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 1266,Minimum Time Visiting All Points,79.6%,Easy,0.017354014693151613, https://leetcode.com/problems/minimum-time-visiting-all-points
 876,Middle of the Linked List,68.4%,Easy,0.01707497375257815, https://leetcode.com/problems/middle-of-the-linked-list
 389,Find the Difference,55.3%,Easy,0.016978336534417868, https://leetcode.com/problems/find-the-difference
 95,Unique Binary Search Trees II,40.6%,Medium,0.016856699181010838, https://leetcode.com/problems/unique-binary-search-trees-ii
 1304,Find N Unique Integers Sum up to Zero,76.3%,Easy,0.015892269319508656, https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
 707,Design Linked List,24.5%,Medium,0.015054857167065819, https://leetcode.com/problems/design-linked-list
 367,Valid Perfect Square,41.7%,Easy,0.014992784586141334, https://leetcode.com/problems/valid-perfect-square
 80,Remove Duplicates from Sorted Array II,44.0%,Medium,0.014815085785140639, https://leetcode.com/problems/remove-duplicates-from-sorted-array-ii
 371,Sum of Two Integers,50.7%,Medium,0.014064929467403538, https://leetcode.com/problems/sum-of-two-integers
 724,Find Pivot Index,44.0%,Easy,0.013850636933899008, https://leetcode.com/problems/find-pivot-index
 144,Binary Tree Preorder Traversal,55.7%,Medium,0.013667638728663807, https://leetcode.com/problems/binary-tree-preorder-traversal
 303,Range Sum Query - Immutable,44.7%,Easy,0.013240842236997532, https://leetcode.com/problems/range-sum-query-immutable
 154,Find Minimum in Rotated Sorted Array II,41.6%,Hard,0.013222109274363887, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
 665,Non-decreasing Array,19.5%,Easy,0.013016779950191773, https://leetcode.com/problems/non-decreasing-array
 172,Factorial Trailing Zeroes,37.8%,Easy,0.012326812480658571, https://leetcode.com/problems/factorial-trailing-zeroes
 237,Delete Node in a Linked List,63.8%,Easy,0.01153858955649377, https://leetcode.com/problems/delete-node-in-a-linked-list
 1051,Height Checker,71.1%,Easy,0.011468015591641189, https://leetcode.com/problems/height-checker
 797,All Paths From Source to Target,77.9%,Medium,0.009845021678804893, https://leetcode.com/problems/all-paths-from-source-to-target
 1221,Split a String in Balanced Strings,83.3%,Easy,0.008775835172724969, https://leetcode.com/problems/split-a-string-in-balanced-strings
 461,Hamming Distance,72.8%,Easy,0.00833685528906183, https://leetcode.com/problems/hamming-distance
 1344,Angle Between Hands of a Clock,61.4%,Medium,0.007795031188053973, https://leetcode.com/problems/angle-between-hands-of-a-clock
 1365,How Many Numbers Are Smaller Than the Current Number,85.6%,Easy,0.007109877088701047, https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number
 111,Minimum Depth of Binary Tree,37.4%,Easy,0.0066203485760693214, https://leetcode.com/problems/minimum-depth-of-binary-tree
 1431,Kids With the Greatest Number of Candies,88.9%,Easy,0.005927699633275225, https://leetcode.com/problems/kids-with-the-greatest-number-of-candies
 278,First Bad Version,35.7%,Easy,0.005391575265790431, https://leetcode.com/problems/first-bad-version
 27,Remove Element,48.2%,Easy,0.0035524016043678225, https://leetcode.com/problems/remove-element
 190,Reverse Bits,39.8%,Easy,0.0018316700789167337, https://leetcode.com/problems/reverse-bits
--- a/amazon_6months.csv
+++ b/amazon_6months.csv
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 937,Reorder Data in Log Files,54.3%,Easy,3.9547702430822818, https://leetcode.com/problems/reorder-data-in-log-files
 200,Number of Islands,46.8%,Medium,3.6590323855166846, https://leetcode.com/problems/number-of-islands
 1192,Critical Connections in a Network,48.6%,Hard,3.3632945279510875, https://leetcode.com/problems/critical-connections-in-a-network
 763,Partition Labels,76.1%,Medium,3.1678101129592746, https://leetcode.com/problems/partition-labels
 994,Rotting Oranges,49.2%,Medium,2.8720722553936775, https://leetcode.com/problems/rotting-oranges
 692,Top K Frequent Words,51.8%,Medium,2.7214375224426046, https://leetcode.com/problems/top-k-frequent-words
 819,Most Common Word,44.8%,Easy,2.4256996648770075, https://leetcode.com/problems/most-common-word
 146,LRU Cache,33.2%,Medium,2.1299618073114104, https://leetcode.com/problems/lru-cache
 1152,Analyze User Website Visit Pattern,43.5%,Medium,1.8342239497458135, https://leetcode.com/problems/analyze-user-website-visit-pattern
 23,Merge k Sorted Lists,40.2%,Hard,1.739235050219392, https://leetcode.com/problems/merge-k-sorted-lists
 588,Design In-Memory File System,45.9%,Hard,1.6763233015814871, https://leetcode.com/problems/design-in-memory-file-system
 1,Two Sum,45.6%,Easy,1.5089728550598949, https://leetcode.com/problems/two-sum
 472,Concatenated Words,43.7%,Hard,1.4802648705378958, https://leetcode.com/problems/concatenated-words
 973,K Closest Points to Origin,63.8%,Medium,1.4345467018065698, https://leetcode.com/problems/k-closest-points-to-origin
 957,Prison Cells After N Days,40.7%,Medium,1.3423289104477119, https://leetcode.com/problems/prison-cells-after-n-days
 460,LFU Cache,34.2%,Hard,1.1854052630535123, https://leetcode.com/problems/lfu-cache
 1167,Minimum Cost to Connect Sticks,62.8%,Medium,1.1814314904899383, https://leetcode.com/problems/minimum-cost-to-connect-sticks
 42,Trapping Rain Water,48.9%,Hard,1.1037585327659545, https://leetcode.com/problems/trapping-rain-water
 138,Copy List with Random Pointer,36.4%,Medium,1.102640803567812, https://leetcode.com/problems/copy-list-with-random-pointer
 127,Word Ladder,29.6%,Medium,1.0425997036961998, https://leetcode.com/problems/word-ladder
 295,Find Median from Data Stream,44.3%,Hard,1.0194793992505597, https://leetcode.com/problems/find-median-from-data-stream
 348,Design Tic-Tac-Toe,54.3%,Medium,0.9433716904768258, https://leetcode.com/problems/design-tic-tac-toe
 212,Word Search II,34.9%,Hard,0.8857014706209553, https://leetcode.com/problems/word-search-ii
 253,Meeting Rooms II,45.7%,Medium,0.8632775077826929, https://leetcode.com/problems/meeting-rooms-ii
 21,Merge Two Sorted Lists,53.5%,Easy,0.8095181456041088, https://leetcode.com/problems/merge-two-sorted-lists
 694,Number of Distinct Islands,56.0%,Medium,0.7884573603642702, https://leetcode.com/problems/number-of-distinct-islands
 269,Alien Dictionary,33.3%,Hard,0.7683984542353193, https://leetcode.com/problems/alien-dictionary
 273,Integer to English Words,27.1%,Hard,0.7404748586772619, https://leetcode.com/problems/integer-to-english-words
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.7362463730417975, https://leetcode.com/problems/insert-delete-getrandom-o1
 297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.7044467358138786, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
 863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.6739386478106545, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
 139,Word Break,40.1%,Medium,0.6613827480153901, https://leetcode.com/problems/word-break
 2,Add Two Numbers,33.9%,Medium,0.5977271417553114, https://leetcode.com/problems/add-two-numbers
 726,Number of Atoms,49.0%,Hard,0.591070740103309, https://leetcode.com/problems/number-of-atoms
 909,Snakes and Ladders,38.4%,Medium,0.581062856900522, https://leetcode.com/problems/snakes-and-ladders
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.5695968683666981, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 126,Word Ladder II,22.1%,Hard,0.5693600008081126, https://leetcode.com/problems/word-ladder-ii
 353,Design Snake Game,34.2%,Medium,0.5678280191954505, https://leetcode.com/problems/design-snake-game
 1268,Search Suggestions System,63.2%,Medium,0.5670827306499265, https://leetcode.com/problems/search-suggestions-system
 240,Search a 2D Matrix II,43.2%,Medium,0.5659839416965464, https://leetcode.com/problems/search-a-2d-matrix-ii
 733,Flood Fill,55.3%,Easy,0.5434516866606699, https://leetcode.com/problems/flood-fill
 49,Group Anagrams,56.9%,Medium,0.5274564521278222, https://leetcode.com/problems/group-anagrams
 1429,First Unique Number,47.0%,Medium,0.5239621016713606, https://leetcode.com/problems/first-unique-number
 56,Merge Intervals,39.3%,Medium,0.5198989648602567, https://leetcode.com/problems/merge-intervals
 1091,Shortest Path in Binary Matrix,38.2%,Medium,0.5014571171893788, https://leetcode.com/problems/shortest-path-in-binary-matrix
 15,3Sum,26.8%,Medium,0.4923847546019265, https://leetcode.com/problems/3sum
 227,Basic Calculator II,36.9%,Medium,0.47707464048628756, https://leetcode.com/problems/basic-calculator-ii
 815,Bus Routes,42.5%,Hard,0.46566970439379607, https://leetcode.com/problems/bus-routes
 465,Optimal Account Balancing,46.9%,Hard,0.44746022914476763, https://leetcode.com/problems/optimal-account-balancing
 564,Find the Closest Palindrome,19.7%,Hard,0.43712242797885603, https://leetcode.com/problems/find-the-closest-palindrome
 5,Longest Palindromic Substring,29.5%,Medium,0.43711515550369573, https://leetcode.com/problems/longest-palindromic-substring
 642,Design Search Autocomplete System,44.7%,Hard,0.43349242036282026, https://leetcode.com/problems/design-search-autocomplete-system
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.42775086183255473, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 403,Frog Jump,39.7%,Hard,0.42647291912626817, https://leetcode.com/problems/frog-jump
 394,Decode String,50.0%,Medium,0.42186669570914975, https://leetcode.com/problems/decode-string
 210,Course Schedule II,40.7%,Medium,0.4187970574421199, https://leetcode.com/problems/course-schedule-ii
 239,Sliding Window Maximum,43.0%,Hard,0.4104750065235096, https://leetcode.com/problems/sliding-window-maximum
 1335,Minimum Difficulty of a Job Schedule,57.6%,Hard,0.3963047387095001, https://leetcode.com/problems/minimum-difficulty-of-a-job-schedule
 317,Shortest Distance from All Buildings,41.4%,Hard,0.3879036811782171, https://leetcode.com/problems/shortest-distance-from-all-buildings
 208,Implement Trie (Prefix Tree),49.4%,Medium,0.3703247851035097, https://leetcode.com/problems/implement-trie-prefix-tree
 322,Coin Change,35.5%,Medium,0.3682371587377334, https://leetcode.com/problems/coin-change
 572,Subtree of Another Tree,44.1%,Easy,0.36744178604609046, https://leetcode.com/problems/subtree-of-another-tree
 211,Add and Search Word - Data structure design,38.1%,Medium,0.3669576767104271, https://leetcode.com/problems/add-and-search-word-data-structure-design
 437,Path Sum III,47.2%,Medium,0.36415150066384533, https://leetcode.com/problems/path-sum-iii
 238,Product of Array Except Self,60.1%,Medium,0.3605955735094466, https://leetcode.com/problems/product-of-array-except-self
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.3551971839535377, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 140,Word Break II,32.6%,Hard,0.35315833146615444, https://leetcode.com/problems/word-break-ii
 97,Interleaving String,31.5%,Hard,0.3498263128325362, https://leetcode.com/problems/interleaving-string
 173,Binary Search Tree Iterator,56.6%,Medium,0.3490586305394522, https://leetcode.com/problems/binary-search-tree-iterator
 188,Best Time to Buy and Sell Stock IV,28.0%,Hard,0.3480617703158782, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
 489,Robot Room Cleaner,69.7%,Hard,0.34393738002030483, https://leetcode.com/problems/robot-room-cleaner
 93,Restore IP Addresses,35.6%,Medium,0.33946177546957895, https://leetcode.com/problems/restore-ip-addresses
 76,Minimum Window Substring,34.6%,Hard,0.33651688545811814, https://leetcode.com/problems/minimum-window-substring
 895,Maximum Frequency Stack,60.6%,Hard,0.33520721431462625, https://leetcode.com/problems/maximum-frequency-stack
 165,Compare Version Numbers,27.4%,Medium,0.33499311472223486, https://leetcode.com/problems/compare-version-numbers
 53,Maximum Subarray,46.5%,Easy,0.33316614062015326, https://leetcode.com/problems/maximum-subarray
 490,The Maze,51.4%,Medium,0.33239571796243805, https://leetcode.com/problems/the-maze
 20,Valid Parentheses,39.0%,Easy,0.32875969157833257, https://leetcode.com/problems/valid-parentheses
 721,Accounts Merge,48.8%,Medium,0.3264810496971675, https://leetcode.com/problems/accounts-merge
 155,Min Stack,44.5%,Easy,0.32611635610879774, https://leetcode.com/problems/min-stack
 901,Online Stock Span,60.2%,Medium,0.3225465062722876, https://leetcode.com/problems/online-stock-span
 1219,Path with Maximum Gold,65.1%,Medium,0.3204549706485941, https://leetcode.com/problems/path-with-maximum-gold
 277,Find the Celebrity,41.8%,Medium,0.3142660340639637, https://leetcode.com/problems/find-the-celebrity
 55,Jump Game,34.6%,Medium,0.31027241049283566, https://leetcode.com/problems/jump-game
 12,Integer to Roman,55.1%,Medium,0.30898314806430144, https://leetcode.com/problems/integer-to-roman
 185,Department Top Three Salaries,34.5%,Hard,0.3067091029533853, https://leetcode.com/problems/department-top-three-salaries
 987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.30230623809780655, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
 4,Median of Two Sorted Arrays,29.6%,Hard,0.30208546395829133, https://leetcode.com/problems/median-of-two-sorted-arrays
 224,Basic Calculator,36.8%,Hard,0.291910408561302, https://leetcode.com/problems/basic-calculator
 74,Search a 2D Matrix,36.5%,Medium,0.29107845681405486, https://leetcode.com/problems/search-a-2d-matrix
 640,Solve the Equation,42.0%,Medium,0.2840257612486704, https://leetcode.com/problems/solve-the-equation
 54,Spiral Matrix,34.1%,Medium,0.28079436421311554, https://leetcode.com/problems/spiral-matrix
 362,Design Hit Counter,63.7%,Medium,0.2737682417732349, https://leetcode.com/problems/design-hit-counter
 399,Evaluate Division,51.6%,Medium,0.27239954676797734, https://leetcode.com/problems/evaluate-division
 480,Sliding Window Median,37.2%,Hard,0.2690708449339646, https://leetcode.com/problems/sliding-window-median
 1057,Campus Bikes,57.7%,Medium,0.2582475718767295, https://leetcode.com/problems/campus-bikes
 91,Decode Ways,24.7%,Medium,0.2572166935751766, https://leetcode.com/problems/decode-ways
 466,Count The Repetitions,28.2%,Hard,0.2561688067457042, https://leetcode.com/problems/count-the-repetitions
 45,Jump Game II,30.6%,Hard,0.25477233836298296, https://leetcode.com/problems/jump-game-ii
 323,Number of Connected Components in an Undirected Graph,56.0%,Medium,0.25237712763702813, https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
 99,Recover Binary Search Tree,39.7%,Hard,0.25183380763426816, https://leetcode.com/problems/recover-binary-search-tree
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.24977369595529056, https://leetcode.com/problems/longest-substring-without-repeating-characters
 332,Reconstruct Itinerary,36.7%,Medium,0.24722791193435328, https://leetcode.com/problems/reconstruct-itinerary
 1197,Minimum Knight Moves,36.1%,Medium,0.24003104821376078, https://leetcode.com/problems/minimum-knight-moves
 775,Global and Local Inversions,42.1%,Medium,0.23922968906583414, https://leetcode.com/problems/global-and-local-inversions
 496,Next Greater Element I,63.8%,Easy,0.23831034385769945, https://leetcode.com/problems/next-greater-element-i
 33,Search in Rotated Sorted Array,34.5%,Medium,0.2327382673745402, https://leetcode.com/problems/search-in-rotated-sorted-array
 772,Basic Calculator III,41.3%,Hard,0.2322522675124501, https://leetcode.com/problems/basic-calculator-iii
 543,Diameter of Binary Tree,48.4%,Easy,0.2316456750750147, https://leetcode.com/problems/diameter-of-binary-tree
 445,Add Two Numbers II,54.5%,Medium,0.22413561488763817, https://leetcode.com/problems/add-two-numbers-ii
 333,Largest BST Subtree,35.8%,Medium,0.2228314901476892, https://leetcode.com/problems/largest-bst-subtree
 11,Container With Most Water,50.8%,Medium,0.22223677269815797, https://leetcode.com/problems/container-with-most-water
 75,Sort Colors,47.3%,Medium,0.21933249465057122, https://leetcode.com/problems/sort-colors
 688,Knight Probability in Chessboard,48.9%,Medium,0.2176811889223697, https://leetcode.com/problems/knight-probability-in-chessboard
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.2138725437818616, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 356,Line Reflection,31.8%,Medium,0.2124355370417375, https://leetcode.com/problems/line-reflection
 143,Reorder List,37.1%,Medium,0.21178045827645292, https://leetcode.com/problems/reorder-list
 1155,Number of Dice Rolls With Target Sum,49.0%,Medium,0.21008151389087, https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
 503,Next Greater Element II,56.5%,Medium,0.20963047971710957, https://leetcode.com/problems/next-greater-element-ii
 312,Burst Balloons,51.8%,Hard,0.20921375502735295, https://leetcode.com/problems/burst-balloons
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.2038677804597886, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 735,Asteroid Collision,41.0%,Medium,0.20317069676423571, https://leetcode.com/problems/asteroid-collision
 314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.20100106920044414, https://leetcode.com/problems/binary-tree-vertical-order-traversal
 64,Minimum Path Sum,54.5%,Medium,0.19988813533277905, https://leetcode.com/problems/minimum-path-sum
 352,Data Stream as Disjoint Intervals,47.3%,Hard,0.1980128865886302, https://leetcode.com/problems/data-stream-as-disjoint-intervals
 1315,Sum of Nodes with Even-Valued Grandparent,83.5%,Medium,0.19757677034220278, https://leetcode.com/problems/sum-of-nodes-with-even-valued-grandparent
 706,Design HashMap,61.3%,Easy,0.1960785423771685, https://leetcode.com/problems/design-hashmap
 1360,Number of Days Between Two Dates,48.8%,Easy,0.19578302313828744, https://leetcode.com/problems/number-of-days-between-two-dates
 85,Maximal Rectangle,37.7%,Hard,0.1945507253203666, https://leetcode.com/problems/maximal-rectangle
 756,Pyramid Transition Matrix,54.6%,Medium,0.19105523676270922, https://leetcode.com/problems/pyramid-transition-matrix
 25,Reverse Nodes in k-Group,42.1%,Hard,0.18884373606243307, https://leetcode.com/problems/reverse-nodes-in-k-group
 199,Binary Tree Right Side View,54.1%,Medium,0.18661020557359304, https://leetcode.com/problems/binary-tree-right-side-view
 449,Serialize and Deserialize BST,52.0%,Medium,0.1860058460684763, https://leetcode.com/problems/serialize-and-deserialize-bst
 79,Word Search,35.6%,Medium,0.18365355832289545, https://leetcode.com/problems/word-search
 759,Employee Free Time,66.2%,Hard,0.1816986978513639, https://leetcode.com/problems/employee-free-time
 1244,Design A Leaderboard,60.7%,Medium,0.17763094743610072, https://leetcode.com/problems/design-a-leaderboard
 13,Roman to Integer,55.7%,Easy,0.17663825552387563, https://leetcode.com/problems/roman-to-integer
 737,Sentence Similarity II,45.8%,Medium,0.17520408902509066, https://leetcode.com/problems/sentence-similarity-ii
 1011,Capacity To Ship Packages Within D Days,58.1%,Medium,0.1747811031478766, https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
 205,Isomorphic Strings,39.8%,Easy,0.1703978238463443, https://leetcode.com/problems/isomorphic-strings
 1099,Two Sum Less Than K,60.6%,Easy,0.16935823314801637, https://leetcode.com/problems/two-sum-less-than-k
 1430,Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree,44.8%,Medium,0.16917873135476025, https://leetcode.com/problems/check-if-a-string-is-a-valid-sequence-from-root-to-leaves-path-in-a-binary-tree
 36,Valid Sudoku,48.7%,Medium,0.16730621375459595, https://leetcode.com/problems/valid-sudoku
 715,Range Module,38.5%,Hard,0.1636294237818021, https://leetcode.com/problems/range-module
 1373,Maximum Sum BST in Binary Tree,40.2%,Hard,0.1599143845440084, https://leetcode.com/problems/maximum-sum-bst-in-binary-tree
 535,Encode and Decode TinyURL,79.9%,Medium,0.15827628732919474, https://leetcode.com/problems/encode-and-decode-tinyurl
 545,Boundary of Binary Tree,38.9%,Medium,0.15687671513649673, https://leetcode.com/problems/boundary-of-binary-tree
 335,Self Crossing,28.0%,Hard,0.15535044001916237, https://leetcode.com/problems/self-crossing
 101,Symmetric Tree,46.8%,Easy,0.15457702816029933, https://leetcode.com/problems/symmetric-tree
 767,Reorganize String,48.7%,Medium,0.15185314866152042, https://leetcode.com/problems/reorganize-string
 410,Split Array Largest Sum,44.5%,Hard,0.1513456288996497, https://leetcode.com/problems/split-array-largest-sum
 57,Insert Interval,33.5%,Hard,0.14994432629434787, https://leetcode.com/problems/insert-interval
 739,Daily Temperatures,63.3%,Medium,0.14956674442158685, https://leetcode.com/problems/daily-temperatures
 1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.14935273742511918, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
 221,Maximal Square,37.7%,Medium,0.1475288463816385, https://leetcode.com/problems/maximal-square
 682,Baseball Game,63.7%,Easy,0.14664834440479207, https://leetcode.com/problems/baseball-game
 22,Generate Parentheses,62.7%,Medium,0.14612656455721032, https://leetcode.com/problems/generate-parentheses
 1102,Path With Maximum Minimum Value,49.2%,Medium,0.1444815825552332, https://leetcode.com/problems/path-with-maximum-minimum-value
 426,Convert Binary Search Tree to Sorted Doubly Linked List,59.1%,Medium,0.14252878462127264, https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
 1083,Sales Analysis II,50.5%,Easy,0.1417462887434142, https://leetcode.com/problems/sales-analysis-ii
 690,Employee Importance,57.3%,Easy,0.14131823975737387, https://leetcode.com/problems/employee-importance
 207,Course Schedule,43.1%,Medium,0.1402270159030123, https://leetcode.com/problems/course-schedule
 261,Graph Valid Tree,42.2%,Medium,0.13984351177036686, https://leetcode.com/problems/graph-valid-tree
 354,Russian Doll Envelopes,35.6%,Hard,0.13850969523609932, https://leetcode.com/problems/russian-doll-envelopes
 286,Walls and Gates,54.5%,Medium,0.13712574822724946, https://leetcode.com/problems/walls-and-gates
 10,Regular Expression Matching,26.8%,Hard,0.13632230148088326, https://leetcode.com/problems/regular-expression-matching
 1405,Longest Happy String,49.0%,Medium,0.1343297958605471, https://leetcode.com/problems/longest-happy-string
 378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.13397014948713715, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
 215,Kth Largest Element in an Array,55.4%,Medium,0.13169686633492952, https://leetcode.com/problems/kth-largest-element-in-an-array
 981,Time Based Key-Value Store,53.1%,Medium,0.1316303182973487, https://leetcode.com/problems/time-based-key-value-store
 148,Sort List,42.3%,Medium,0.1292970884857343, https://leetcode.com/problems/sort-list
 1117,Building H2O,52.6%,Medium,0.12796988096337653, https://leetcode.com/problems/building-h2o
 347,Top K Frequent Elements,61.2%,Medium,0.12591062025304192, https://leetcode.com/problems/top-k-frequent-elements
 84,Largest Rectangle in Histogram,35.2%,Hard,0.12570469475928556, https://leetcode.com/problems/largest-rectangle-in-histogram
 1139,Largest 1-Bordered Square,47.5%,Medium,0.12477221253464107, https://leetcode.com/problems/largest-1-bordered-square
 1130,Minimum Cost Tree From Leaf Values,66.1%,Medium,0.12332774831203028, https://leetcode.com/problems/minimum-cost-tree-from-leaf-values
 262,Trips and Users,32.7%,Hard,0.12266506325369182, https://leetcode.com/problems/trips-and-users
 177,Nth Highest Salary,31.4%,Medium,0.12247703235966204, https://leetcode.com/problems/nth-highest-salary
 1214,Two Sum BSTs,67.6%,Medium,0.12247703235966204, https://leetcode.com/problems/two-sum-bsts
 19,Remove Nth Node From End of List,35.2%,Medium,0.12237713290283221, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 844,Backspace String Compare,46.4%,Easy,0.12201137176590456, https://leetcode.com/problems/backspace-string-compare
 46,Permutations,63.5%,Medium,0.12027982804941116, https://leetcode.com/problems/permutations
 1229,Meeting Scheduler,52.7%,Medium,0.11671261732648351, https://leetcode.com/problems/meeting-scheduler
 1275,Find Winner on a Tic Tac Toe Game,52.8%,Easy,0.11536465479210183, https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
 1375,Bulb Switcher III,62.6%,Medium,0.11506932978478719, https://leetcode.com/problems/bulb-switcher-iii
 540,Single Element in a Sorted Array,57.9%,Medium,0.11443656521536286, https://leetcode.com/problems/single-element-in-a-sorted-array
 229,Majority Element II,35.6%,Medium,0.11355198202632807, https://leetcode.com/problems/majority-element-ii
 120,Triangle,44.2%,Medium,0.11325730177515365, https://leetcode.com/problems/triangle
 296,Best Meeting Point,57.5%,Hard,0.11216225709564905, https://leetcode.com/problems/best-meeting-point
 1004,Max Consecutive Ones III,59.1%,Medium,0.11063437101968247, https://leetcode.com/problems/max-consecutive-ones-iii
 39,Combination Sum,56.1%,Medium,0.10982174474537089, https://leetcode.com/problems/combination-sum
 695,Max Area of Island,62.7%,Medium,0.10876995385464024, https://leetcode.com/problems/max-area-of-island
 96,Unique Binary Search Trees,52.9%,Medium,0.10772540512336069, https://leetcode.com/problems/unique-binary-search-trees
 152,Maximum Product Subarray,31.7%,Medium,0.10753054905987956, https://leetcode.com/problems/maximum-product-subarray
 29,Divide Two Integers,16.4%,Medium,0.10321754835984784, https://leetcode.com/problems/divide-two-integers
 1143,Longest Common Subsequence,58.4%,Medium,0.10320598865355674, https://leetcode.com/problems/longest-common-subsequence
 1013,Partition Array Into Three Parts With Equal Sum,51.8%,Easy,0.10294796925244239, https://leetcode.com/problems/partition-array-into-three-parts-with-equal-sum
 453,Minimum Moves to Equal Array Elements,50.2%,Easy,0.10178269430994231, https://leetcode.com/problems/minimum-moves-to-equal-array-elements
 442,Find All Duplicates in an Array,67.8%,Medium,0.10047484799446413, https://leetcode.com/problems/find-all-duplicates-in-an-array
 417,Pacific Atlantic Water Flow,41.1%,Medium,0.10008345855698253, https://leetcode.com/problems/pacific-atlantic-water-flow
 628,Maximum Product of Three Numbers,47.1%,Easy,0.09909090264423091, https://leetcode.com/problems/maximum-product-of-three-numbers
 1135,Connecting Cities With Minimum Cost,57.5%,Medium,0.09909090264423091, https://leetcode.com/problems/connecting-cities-with-minimum-cost
 51,N-Queens,46.6%,Hard,0.09831093224356313, https://leetcode.com/problems/n-queens
 218,The Skyline Problem,34.6%,Hard,0.09823843958341322, https://leetcode.com/problems/the-skyline-problem
 41,First Missing Positive,32.0%,Hard,0.0979525363954321, https://leetcode.com/problems/first-missing-positive
 529,Minesweeper,59.1%,Medium,0.09695424100489167, https://leetcode.com/problems/minesweeper
 1046,Last Stone Weight,62.2%,Easy,0.09686234390618549, https://leetcode.com/problems/last-stone-weight
 230,Kth Smallest Element in a BST,60.2%,Medium,0.09685471541555685, https://leetcode.com/problems/kth-smallest-element-in-a-bst
 980,Unique Paths III,73.3%,Hard,0.09531017980432487, https://leetcode.com/problems/unique-paths-iii
 86,Partition List,41.5%,Medium,0.09480379573736777, https://leetcode.com/problems/partition-list
 716,Max Stack,42.6%,Easy,0.09362342046209744, https://leetcode.com/problems/max-stack
 611,Valid Triangle Number,48.4%,Medium,0.09333193979221914, https://leetcode.com/problems/valid-triangle-number
 827,Making A Large Island,45.7%,Hard,0.09287412500644375, https://leetcode.com/problems/making-a-large-island
 384,Shuffle an Array,52.8%,Medium,0.09170644621893462, https://leetcode.com/problems/shuffle-an-array
 8,String to Integer (atoi),15.4%,Medium,0.09074872434968777, https://leetcode.com/problems/string-to-integer-atoi
 153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.0899077741767165, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
 243,Shortest Word Distance,61.0%,Easy,0.08952296190665864, https://leetcode.com/problems/shortest-word-distance
 995,Minimum Number of K Consecutive Bit Flips,46.8%,Hard,0.08894748601649616, https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips
 301,Remove Invalid Parentheses,43.3%,Hard,0.08716315660591871, https://leetcode.com/problems/remove-invalid-parentheses
 109,Convert Sorted List to Binary Search Tree,47.7%,Medium,0.08701137698962977, https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
 176,Second Highest Salary,31.6%,Easy,0.08701137698962977, https://leetcode.com/problems/second-highest-salary
 622,Design Circular Queue,43.7%,Medium,0.08696405427235052, https://leetcode.com/problems/design-circular-queue
 72,Edit Distance,44.8%,Hard,0.08673866592531046, https://leetcode.com/problems/edit-distance
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.08649925937213519, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 18,4Sum,33.7%,Medium,0.08527891770220855, https://leetcode.com/problems/4sum
 113,Path Sum II,46.7%,Medium,0.08479653666007693, https://leetcode.com/problems/path-sum-ii
 916,Word Subsets,47.8%,Medium,0.08479653666007693, https://leetcode.com/problems/word-subsets
 1245,Tree Diameter,60.1%,Medium,0.08338160893905106, https://leetcode.com/problems/tree-diameter
 473,Matchsticks to Square,37.7%,Medium,0.08201315166083516, https://leetcode.com/problems/matchsticks-to-square
 134,Gas Station,38.5%,Medium,0.08169138321871633, https://leetcode.com/problems/gas-station
 636,Exclusive Time of Functions,52.0%,Medium,0.08155306616046964, https://leetcode.com/problems/exclusive-time-of-functions
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.08066286273217169, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 161,One Edit Distance,32.3%,Medium,0.07982960165248484, https://leetcode.com/problems/one-edit-distance
 451,Sort Characters By Frequency,63.0%,Medium,0.07950784615171191, https://leetcode.com/problems/sort-characters-by-frequency
 128,Longest Consecutive Sequence,45.1%,Hard,0.0786603197723907, https://leetcode.com/problems/longest-consecutive-sequence
 341,Flatten Nested List Iterator,52.9%,Medium,0.07763353611776078, https://leetcode.com/problems/flatten-nested-list-iterator
 518,Coin Change 2,50.2%,Medium,0.07583984694698977, https://leetcode.com/problems/coin-change-2
 547,Friend Circles,58.6%,Medium,0.07408600065076033, https://leetcode.com/problems/friend-circles
 860,Lemonade Change,51.6%,Easy,0.07208884919207953, https://leetcode.com/problems/lemonade-change
 1008,Construct Binary Search Tree from Preorder Traversal,78.4%,Medium,0.07181191271198491, https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal
 523,Continuous Subarray Sum,24.6%,Medium,0.07166389251403688, https://leetcode.com/problems/continuous-subarray-sum
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.0712263700241388, https://leetcode.com/problems/binary-tree-level-order-traversal
 1074,Number of Submatrices That Sum to Target,60.4%,Hard,0.07120444629179161, https://leetcode.com/problems/number-of-submatrices-that-sum-to-target
 37,Sudoku Solver,43.6%,Hard,0.07095173597228444, https://leetcode.com/problems/sudoku-solver
 438,Find All Anagrams in a String,43.3%,Medium,0.07086789751218016, https://leetcode.com/problems/find-all-anagrams-in-a-string
 632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.07082605256861242, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
 187,Repeated DNA Sequences,38.9%,Medium,0.06947237281476738, https://leetcode.com/problems/repeated-dna-sequences
 117,Populating Next Right Pointers in Each Node II,39.1%,Medium,0.0691455898745421, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
 432,All O`one Data Structure,32.4%,Hard,0.06887402901251127, https://leetcode.com/problems/all-oone-data-structure
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.06838868749455218, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 316,Remove Duplicate Letters,35.8%,Hard,0.067239661116769, https://leetcode.com/problems/remove-duplicate-letters
 368,Largest Divisible Subset,38.0%,Medium,0.0670392438027145, https://leetcode.com/problems/largest-divisible-subset
 1032,Stream of Characters,48.3%,Hard,0.06646964500774162, https://leetcode.com/problems/stream-of-characters
 584,Find Customer Referee,72.3%,Easy,0.06592172080482424, https://leetcode.com/problems/find-customer-referee
 16,3Sum Closest,46.0%,Medium,0.065777130514714, https://leetcode.com/problems/3sum-closest
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.06574255262249057, https://leetcode.com/problems/binary-tree-maximum-path-sum
 997,Find the Town Judge,50.1%,Easy,0.06548984513511495, https://leetcode.com/problems/find-the-town-judge
 287,Find the Duplicate Number,55.5%,Medium,0.06539148783312071, https://leetcode.com/problems/find-the-duplicate-number
 387,First Unique Character in a String,53.4%,Easy,0.06495130161301915, https://leetcode.com/problems/first-unique-character-in-a-string
 116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.06417026482702023, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
 1270,All People Report to the Given Manager,87.1%,Medium,0.06412452816953867, https://leetcode.com/problems/all-people-report-to-the-given-manager
 1005,Maximize Sum Of Array After K Negations,51.3%,Easy,0.06371581438610768, https://leetcode.com/problems/maximize-sum-of-array-after-k-negations
 71,Simplify Path,32.6%,Medium,0.06351340572232586, https://leetcode.com/problems/simplify-path
 300,Longest Increasing Subsequence,42.6%,Medium,0.06265630749555627, https://leetcode.com/problems/longest-increasing-subsequence
 1044,Longest Duplicate Substring,31.9%,Hard,0.062325463197828765, https://leetcode.com/problems/longest-duplicate-substring
 73,Set Matrix Zeroes,43.1%,Medium,0.061431799532484045, https://leetcode.com/problems/set-matrix-zeroes
 48,Rotate Image,56.7%,Medium,0.06069974483040549, https://leetcode.com/problems/rotate-image
 701,Insert into a Binary Search Tree,77.7%,Medium,0.06069363413516112, https://leetcode.com/problems/insert-into-a-binary-search-tree
 88,Merge Sorted Array,39.4%,Easy,0.059258174101133876, https://leetcode.com/problems/merge-sorted-array
 373,Find K Pairs with Smallest Sums,36.7%,Medium,0.058155920157074034, https://leetcode.com/problems/find-k-pairs-with-smallest-sums
 98,Validate Binary Search Tree,27.8%,Medium,0.057985181512132535, https://leetcode.com/problems/validate-binary-search-tree
 206,Reverse Linked List,62.5%,Easy,0.05691436258797462, https://leetcode.com/problems/reverse-linked-list
 873,Length of Longest Fibonacci Subsequence,48.0%,Medium,0.05691436258797462, https://leetcode.com/problems/length-of-longest-fibonacci-subsequence
 283,Move Zeroes,57.8%,Easy,0.05686540295029014, https://leetcode.com/problems/move-zeroes
 586,Customer Placing the Largest Number of Orders,73.0%,Easy,0.0568334747631659, https://leetcode.com/problems/customer-placing-the-largest-number-of-orders
 279,Perfect Squares,47.4%,Medium,0.05625780265009439, https://leetcode.com/problems/perfect-squares
 32,Longest Valid Parentheses,28.4%,Hard,0.0556316959861487, https://leetcode.com/problems/longest-valid-parentheses
 849,Maximize Distance to Closest Person,42.6%,Easy,0.055535552308963565, https://leetcode.com/problems/maximize-distance-to-closest-person
 366,Find Leaves of Binary Tree,70.6%,Medium,0.05526267867504946, https://leetcode.com/problems/find-leaves-of-binary-tree
 839,Similar String Groups,38.6%,Hard,0.05480823649499502, https://leetcode.com/problems/similar-string-groups
 538,Convert BST to Greater Tree,55.4%,Easy,0.05475820397384584, https://leetcode.com/problems/convert-bst-to-greater-tree
 983,Minimum Cost For Tickets,60.5%,Medium,0.05469163590186561, https://leetcode.com/problems/minimum-cost-for-tickets
 443,String Compression,41.3%,Easy,0.05450940566837169, https://leetcode.com/problems/string-compression
 131,Palindrome Partitioning,47.5%,Medium,0.05449083692828802, https://leetcode.com/problems/palindrome-partitioning
 703,Kth Largest Element in a Stream,49.7%,Easy,0.054472280837981495, https://leetcode.com/problems/kth-largest-element-in-a-stream
 179,Largest Number,28.8%,Medium,0.0543427413161019, https://leetcode.com/problems/largest-number
 310,Minimum Height Trees,32.3%,Medium,0.05423015406086025, https://leetcode.com/problems/minimum-height-trees
 234,Palindrome Linked List,39.3%,Easy,0.05416885609643319, https://leetcode.com/problems/palindrome-linked-list
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.052557250738676044, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 581,Shortest Unsorted Continuous Subarray,31.1%,Easy,0.052333720049023605, https://leetcode.com/problems/shortest-unsorted-continuous-subarray
 209,Minimum Size Subarray Sum,38.2%,Medium,0.05146227039335983, https://leetcode.com/problems/minimum-size-subarray-sum
 560,Subarray Sum Equals K,43.9%,Medium,0.0512021569656579, https://leetcode.com/problems/subarray-sum-equals-k
 65,Valid Number,15.3%,Hard,0.05071509257901641, https://leetcode.com/problems/valid-number
 1339,Maximum Product of Splitted Binary Tree,37.2%,Medium,0.05064373281875492, https://leetcode.com/problems/maximum-product-of-splitted-binary-tree
 681,Next Closest Time,45.0%,Medium,0.05045206096038863, https://leetcode.com/problems/next-closest-time
 382,Linked List Random Node,52.1%,Medium,0.05045206096038863, https://leetcode.com/problems/linked-list-random-node
 743,Network Delay Time,45.0%,Medium,0.05002606023684499, https://leetcode.com/problems/network-delay-time
 129,Sum Root to Leaf Numbers,49.1%,Medium,0.050010420574661374, https://leetcode.com/problems/sum-root-to-leaf-numbers
 242,Valid Anagram,56.9%,Easy,0.04973624974928908, https://leetcode.com/problems/valid-anagram
 285,Inorder Successor in BST,40.4%,Medium,0.049569618859417214, https://leetcode.com/problems/inorder-successor-in-bst
 181,Employees Earning More Than Their Managers,56.9%,Easy,0.04954573655142984, https://leetcode.com/problems/employees-earning-more-than-their-managers
 137,Single Number II,52.4%,Medium,0.04919528672454412, https://leetcode.com/problems/single-number-ii
 969,Pancake Sorting,67.5%,Medium,0.04908961019652358, https://leetcode.com/problems/pancake-sorting
 1267,Count Servers that Communicate,57.9%,Medium,0.04902942724031861, https://leetcode.com/problems/count-servers-that-communicate
 1153,String Transforms Into Another String,35.8%,Hard,0.04861224405509378, https://leetcode.com/problems/string-transforms-into-another-string
 407,Trapping Rain Water II,42.4%,Hard,0.04797082778602956, https://leetcode.com/problems/trapping-rain-water-ii
 986,Interval List Intersections,67.3%,Medium,0.04703983015489417, https://leetcode.com/problems/interval-list-intersections
 336,Palindrome Pairs,33.7%,Hard,0.04690191367275952, https://leetcode.com/problems/palindrome-pairs
 698,Partition to K Equal Sum Subsets,45.0%,Medium,0.04685917114094188, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
 556,Next Greater Element III,31.7%,Medium,0.04679216150675895, https://leetcode.com/problems/next-greater-element-iii
 359,Logger Rate Limiter,70.8%,Easy,0.0467617659080393, https://leetcode.com/problems/logger-rate-limiter
 978,Longest Turbulent Subarray,46.6%,Medium,0.046737477851689815, https://leetcode.com/problems/longest-turbulent-subarray
 415,Add Strings,47.5%,Easy,0.04650270606183304, https://leetcode.com/problems/add-strings
 264,Ugly Number II,42.0%,Medium,0.04563095565767374, https://leetcode.com/problems/ugly-number-ii
 843,Guess the Word,46.1%,Hard,0.045462374076757336, https://leetcode.com/problems/guess-the-word
 1162,As Far from Land as Possible,43.5%,Medium,0.04510347333459475, https://leetcode.com/problems/as-far-from-land-as-possible
 1382,Balance a Binary Search Tree,74.8%,Medium,0.04480032475536626, https://leetcode.com/problems/balance-a-binary-search-tree
 349,Intersection of Two Arrays,62.5%,Easy,0.04447549064708117, https://leetcode.com/problems/intersection-of-two-arrays
 268,Missing Number,51.7%,Easy,0.043089480538103624, https://leetcode.com/problems/missing-number
 515,Find Largest Value in Each Tree Row,61.1%,Medium,0.042459207771791546, https://leetcode.com/problems/find-largest-value-in-each-tree-row
 184,Department Highest Salary,36.7%,Medium,0.041672696400568025, https://leetcode.com/problems/department-highest-salary
 169,Majority Element,58.7%,Easy,0.041581229756944955, https://leetcode.com/problems/majority-element
 430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,0.04154283751370906, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
 92,Reverse Linked List II,38.8%,Medium,0.041073535208287514, https://leetcode.com/problems/reverse-linked-list-ii
 647,Palindromic Substrings,60.6%,Medium,0.040968350772541844, https://leetcode.com/problems/palindromic-substrings
 62,Unique Paths,54.1%,Medium,0.04084052144450833, https://leetcode.com/problems/unique-paths
 1094,Car Pooling,56.7%,Medium,0.04016604172533471, https://leetcode.com/problems/car-pooling
 686,Repeated String Match,32.3%,Easy,0.03984590854719967, https://leetcode.com/problems/repeated-string-match
 406,Queue Reconstruction by Height,66.9%,Medium,0.03949613834265583, https://leetcode.com/problems/queue-reconstruction-by-height
 289,Game of Life,54.5%,Medium,0.03856519035039098, https://leetcode.com/problems/game-of-life
 202,Happy Number,50.4%,Easy,0.03853744444187023, https://leetcode.com/problems/happy-number
 178,Rank Scores,45.8%,Medium,0.037379767071581464, https://leetcode.com/problems/rank-scores
 1031,Maximum Sum of Two Non-Overlapping Subarrays,57.9%,Medium,0.03711000965123125, https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays
 646,Maximum Length of Pair Chain,51.9%,Medium,0.036870535808327706, https://leetcode.com/problems/maximum-length-of-pair-chain
 729,My Calendar I,51.8%,Medium,0.036433902246102004, https://leetcode.com/problems/my-calendar-i
 884,Uncommon Words from Two Sentences,63.3%,Easy,0.036301626676214796, https://leetcode.com/problems/uncommon-words-from-two-sentences
 1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.03628515973976445, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
 875,Koko Eating Bananas,52.1%,Medium,0.0359751024582779, https://leetcode.com/problems/koko-eating-bananas
 1254,Number of Closed Islands,60.5%,Medium,0.03540192705091593, https://leetcode.com/problems/number-of-closed-islands
 63,Unique Paths II,34.6%,Medium,0.03440459729940371, https://leetcode.com/problems/unique-paths-ii
 1002,Find Common Characters,67.6%,Easy,0.03404262162737441, https://leetcode.com/problems/find-common-characters
 226,Invert Binary Tree,65.0%,Easy,0.03393837323839263, https://leetcode.com/problems/invert-binary-tree
 528,Random Pick with Weight,43.9%,Medium,0.03306693626657339, https://leetcode.com/problems/random-pick-with-weight
 235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.032470385030784074, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
 133,Clone Graph,34.8%,Medium,0.03215711163453134, https://leetcode.com/problems/clone-graph
 1146,Snapshot Array,37.0%,Medium,0.0317991816929387, https://leetcode.com/problems/snapshot-array
 653,Two Sum IV - Input is a BST,55.5%,Easy,0.031726312677204306, https://leetcode.com/problems/two-sum-iv-input-is-a-bst
 150,Evaluate Reverse Polish Notation,36.3%,Medium,0.031526253646773944, https://leetcode.com/problems/evaluate-reverse-polish-notation
 38,Count and Say,44.6%,Easy,0.030956234663467107, https://leetcode.com/problems/count-and-say
 1179,Reformat Department Table,80.6%,Easy,0.030653741091002412, https://leetcode.com/problems/reformat-department-table
 135,Candy,31.6%,Hard,0.029764101906453892, https://leetcode.com/problems/candy
 419,Battleships in a Board,70.0%,Medium,0.02967576814611661, https://leetcode.com/problems/battleships-in-a-board
 413,Arithmetic Slices,57.9%,Medium,0.028431197162004825, https://leetcode.com/problems/arithmetic-slices
 77,Combinations,54.7%,Medium,0.028021758737593695, https://leetcode.com/problems/combinations
 204,Count Primes,31.5%,Easy,0.02799343042200216, https://leetcode.com/problems/count-primes
 183,Customers Who Never Order,53.4%,Easy,0.027702602549335792, https://leetcode.com/problems/customers-who-never-order
 68,Text Justification,27.7%,Hard,0.0276451606661453, https://leetcode.com/problems/text-justification
 249,Group Shifted Strings,55.1%,Medium,0.0276069982440099, https://leetcode.com/problems/group-shifted-strings
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.02730545069026746, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 130,Surrounded Regions,28.1%,Medium,0.02672368055211276, https://leetcode.com/problems/surrounded-regions
 931,Minimum Falling Path Sum,62.5%,Medium,0.02672169681715245, https://leetcode.com/problems/minimum-falling-path-sum
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.026256496787488606, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 158,Read N Characters Given Read4 II - Call multiple times,33.8%,Hard,0.026196651946570663, https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
 1395,Count Number of Teams,82.0%,Medium,0.025462865161248044, https://leetcode.com/problems/count-number-of-teams
 862,Shortest Subarray with Sum at Least K,24.6%,Hard,0.025398190605610438, https://leetcode.com/problems/shortest-subarray-with-sum-at-least-k
 951,Flip Equivalent Binary Trees,65.8%,Medium,0.025269822188076344, https://leetcode.com/problems/flip-equivalent-binary-trees
 232,Implement Queue using Stacks,49.6%,Easy,0.025119936515296634, https://leetcode.com/problems/implement-queue-using-stacks
 785,Is Graph Bipartite?,47.5%,Medium,0.02510592113107633, https://leetcode.com/problems/is-graph-bipartite
 132,Palindrome Partitioning II,30.2%,Hard,0.024436157849456068, https://leetcode.com/problems/palindrome-partitioning-ii
 714,Best Time to Buy and Sell Stock with Transaction Fee,54.7%,Medium,0.024258315059789946, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee
 836,Rectangle Overlap,48.6%,Easy,0.024228925974379843, https://leetcode.com/problems/rectangle-overlap
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.024228925974379843, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 70,Climbing Stairs,47.8%,Easy,0.023866591309041507, https://leetcode.com/problems/climbing-stairs
 31,Next Permutation,32.6%,Medium,0.023747034562878154, https://leetcode.com/problems/next-permutation
 704,Binary Search,52.1%,Easy,0.02368531774150923, https://leetcode.com/problems/binary-search
 1161,Maximum Level Sum of a Binary Tree,72.2%,Medium,0.023270392682351006, https://leetcode.com/problems/maximum-level-sum-of-a-binary-tree
 1299,Replace Elements with Greatest Element on Right Side,75.4%,Easy,0.022756987122616215, https://leetcode.com/problems/replace-elements-with-greatest-element-on-right-side
 678,Valid Parenthesis String,31.0%,Medium,0.02271534352147261, https://leetcode.com/problems/valid-parenthesis-string
 61,Rotate List,30.0%,Medium,0.022195732391784302, https://leetcode.com/problems/rotate-list
 112,Path Sum,41.2%,Easy,0.021701651897460775, https://leetcode.com/problems/path-sum
 1019,Next Greater Node In Linked List,57.4%,Medium,0.02159911180346178, https://leetcode.com/problems/next-greater-node-in-linked-list
 1520,Maximum Number of Non-Overlapping Substrings,32.8%,Hard,0.021485667755491482, https://leetcode.com/problems/maximum-number-of-non-overlapping-substrings
 841,Keys and Rooms,64.3%,Medium,0.021425565169310254, https://leetcode.com/problems/keys-and-rooms
 921,Minimum Add to Make Parentheses Valid,73.7%,Medium,0.021425565169310254, https://leetcode.com/problems/minimum-add-to-make-parentheses-valid
 14,Longest Common Prefix,35.4%,Easy,0.02057347087022327, https://leetcode.com/problems/longest-common-prefix
 784,Letter Case Permutation,64.6%,Medium,0.02026411791905559, https://leetcode.com/problems/letter-case-permutation
 69,Sqrt(x),33.9%,Easy,0.020253856904497686, https://leetcode.com/problems/sqrtx
 180,Consecutive Numbers,39.7%,Medium,0.02021291655585931, https://leetcode.com/problems/consecutive-numbers
 525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
 435,Non-overlapping Intervals,42.9%,Medium,0.019455866615365896, https://leetcode.com/problems/non-overlapping-intervals
 416,Partition Equal Subset Sum,43.7%,Medium,0.01943905703222215, https://leetcode.com/problems/partition-equal-subset-sum
 1048,Longest String Chain,54.7%,Medium,0.019361689049145963, https://leetcode.com/problems/longest-string-chain
 787,Cheapest Flights Within K Stops,39.3%,Medium,0.018824085245635554, https://leetcode.com/problems/cheapest-flights-within-k-stops
 450,Delete Node in a BST,43.1%,Medium,0.018536211907915243, https://leetcode.com/problems/delete-node-in-a-bst
 290,Word Pattern,37.0%,Easy,0.01839978311884168, https://leetcode.com/problems/word-pattern
 590,N-ary Tree Postorder Traversal,72.1%,Easy,0.018182319083190436, https://leetcode.com/problems/n-ary-tree-postorder-traversal
 542,01 Matrix,39.8%,Medium,0.01796993548494071, https://leetcode.com/problems/01-matrix
 383,Ransom Note,53.1%,Easy,0.017621601349819518, https://leetcode.com/problems/ransom-note
 993,Cousins in Binary Tree,52.0%,Easy,0.017414458368636587, https://leetcode.com/problems/cousins-in-binary-tree
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.017297878201610554, https://leetcode.com/problems/maximum-depth-of-binary-tree
 6,ZigZag Conversion,36.3%,Medium,0.01726827253226344, https://leetcode.com/problems/zigzag-conversion
 337,House Robber III,50.6%,Medium,0.017182553319996886, https://leetcode.com/problems/house-robber-iii
 50,Pow(x, n),30.3%,Medium,0.017036779497025166, https://leetcode.com/problems/powx-n
 389,Find the Difference,55.3%,Easy,0.016978336534417868, https://leetcode.com/problems/find-the-difference
 402,Remove K Digits,28.4%,Medium,0.016863806052004816, https://leetcode.com/problems/remove-k-digits
 1110,Delete Nodes And Return Forest,67.0%,Medium,0.01660478167636296, https://leetcode.com/problems/delete-nodes-and-return-forest
 1108,Defanging an IP Address,87.5%,Easy,0.016423726830643748, https://leetcode.com/problems/defanging-an-ip-address
 299,Bulls and Cows,42.4%,Easy,0.016227536621756702, https://leetcode.com/problems/bulls-and-cows
 340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.016122880486563188, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
 412,Fizz Buzz,62.3%,Easy,0.016051709010507904, https://leetcode.com/problems/fizz-buzz
 509,Fibonacci Number,67.2%,Easy,0.01593518138579736, https://leetcode.com/problems/fibonacci-number
 1304,Find N Unique Integers Sum up to Zero,76.3%,Easy,0.015892269319508656, https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
 938,Range Sum of BST,81.3%,Easy,0.015707129205357877, https://leetcode.com/problems/range-sum-of-bst
 28,Implement strStr(),34.5%,Easy,0.01568044672076543, https://leetcode.com/problems/implement-strstr
 118,Pascal's Triangle,52.5%,Easy,0.015123796918620345, https://leetcode.com/problems/pascals-triangle
 567,Permutation in String,44.4%,Medium,0.014947961435873182, https://leetcode.com/problems/permutation-in-string
 912,Sort an Array,63.9%,Medium,0.01443026482902881, https://leetcode.com/problems/sort-an-array
 107,Binary Tree Level Order Traversal II,53.5%,Easy,0.014395642075089957, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
 404,Sum of Left Leaves,50.9%,Easy,0.013981353230340547, https://leetcode.com/problems/sum-of-left-leaves
 304,Range Sum Query 2D - Immutable,38.6%,Medium,0.013913267916985026, https://leetcode.com/problems/range-sum-query-2d-immutable
 724,Find Pivot Index,44.0%,Easy,0.013850636933899008, https://leetcode.com/problems/find-pivot-index
 44,Wildcard Matching,24.7%,Hard,0.013703537497261858, https://leetcode.com/problems/wildcard-matching
 1047,Remove All Adjacent Duplicates In String,68.6%,Easy,0.013059277989179281, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string
 344,Reverse String,68.5%,Easy,0.013014662307854044, https://leetcode.com/problems/reverse-string
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.01297035044262745, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 213,House Robber II,36.5%,Medium,0.012654392210497564, https://leetcode.com/problems/house-robber-ii
 852,Peak Index in a Mountain Array,71.6%,Easy,0.012618463959211509, https://leetcode.com/problems/peak-index-in-a-mountain-array
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.012453461071286613, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 167,Two Sum II - Input array is sorted,54.1%,Easy,0.012349223898473458, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
 9,Palindrome Number,48.4%,Easy,0.01209661684713821, https://leetcode.com/problems/palindrome-number
 81,Search in Rotated Sorted Array II,33.0%,Medium,0.011689203815677656, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
 350,Intersection of Two Arrays II,51.4%,Easy,0.01168540951877908, https://leetcode.com/problems/intersection-of-two-arrays-ii
 136,Single Number,65.5%,Easy,0.011429512235126808, https://leetcode.com/problems/single-number
 90,Subsets II,47.1%,Medium,0.011412392051744769, https://leetcode.com/problems/subsets-ii
 171,Excel Sheet Column Number,55.9%,Easy,0.011195191092491645, https://leetcode.com/problems/excel-sheet-column-number
 559,Maximum Depth of N-ary Tree,68.7%,Easy,0.010974047031976715, https://leetcode.com/problems/maximum-depth-of-n-ary-tree
 463,Island Perimeter,65.7%,Easy,0.010935046086198837, https://leetcode.com/problems/island-perimeter
 662,Maximum Width of Binary Tree,41.0%,Medium,0.010790501245113902, https://leetcode.com/problems/maximum-width-of-binary-tree
 414,Third Maximum Number,30.5%,Easy,0.010357420400453607, https://leetcode.com/problems/third-maximum-number
 40,Combination Sum II,48.2%,Medium,0.009578617297069781, https://leetcode.com/problems/combination-sum-ii
 106,Construct Binary Tree from Inorder and Postorder Traversal,47.2%,Medium,0.009328969762346678, https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
 189,Rotate Array,34.7%,Easy,0.00904437880665999, https://leetcode.com/problems/rotate-array
 125,Valid Palindrome,36.7%,Easy,0.008933948641551634, https://leetcode.com/problems/valid-palindrome
 953,Verifying an Alien Dictionary,54.1%,Easy,0.007884921592696038, https://leetcode.com/problems/verifying-an-alien-dictionary
 141,Linked List Cycle,41.1%,Easy,0.007843861028908454, https://leetcode.com/problems/linked-list-cycle
 1344,Angle Between Hands of a Clock,61.4%,Medium,0.007795031188053973, https://leetcode.com/problems/angle-between-hands-of-a-clock
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.007782518973063169, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 94,Binary Tree Inorder Traversal,63.3%,Medium,0.007533307577636257, https://leetcode.com/problems/binary-tree-inorder-traversal
 66,Plus One,43.0%,Easy,0.007324847595025828, https://leetcode.com/problems/plus-one
 771,Jewels and Stones,86.4%,Easy,0.007284679819409419, https://leetcode.com/problems/jewels-and-stones
 1365,How Many Numbers Are Smaller Than the Current Number,85.6%,Easy,0.007109877088701047, https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number
 110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
 67,Add Binary,45.2%,Easy,0.006631598888145552, https://leetcode.com/problems/add-binary
 203,Remove Linked List Elements,38.6%,Easy,0.006479067005887776, https://leetcode.com/problems/remove-linked-list-elements
 151,Reverse Words in a String,21.9%,Medium,0.0061359296669270605, https://leetcode.com/problems/reverse-words-in-a-string
 1431,Kids With the Greatest Number of Candies,88.9%,Easy,0.005927699633275225, https://leetcode.com/problems/kids-with-the-greatest-number-of-candies
 621,Task Scheduler,50.1%,Medium,0.005261323957171611, https://leetcode.com/problems/task-scheduler
 160,Intersection of Two Linked Lists,40.6%,Easy,0.004901369939720486, https://leetcode.com/problems/intersection-of-two-linked-lists
 35,Search Insert Position,42.6%,Easy,0.004646848510375352, https://leetcode.com/problems/search-insert-position
 7,Reverse Integer,25.8%,Easy,0.00418293972984512, https://leetcode.com/problems/reverse-integer
 977,Squares of a Sorted Array,72.1%,Easy,0.003891055492966611, https://leetcode.com/problems/squares-of-a-sorted-array
 78,Subsets,62.0%,Medium,0.00368765975195334, https://leetcode.com/problems/subsets
 100,Same Tree,53.4%,Easy,0.003165227373565798, https://leetcode.com/problems/same-tree
 309,Best Time to Buy and Sell Stock with Cooldown,47.4%,Medium,0.0028498166907604426, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown
 797,All Paths From Source to Target,77.9%,Medium,0.0024703569875376783, https://leetcode.com/problems/all-paths-from-source-to-target
 260,Single Number III,64.3%,Medium,0.0020288097849578786, https://leetcode.com/problems/single-number-iii
--- a/amazon_alltime.csv
+++ b/amazon_alltime.csv
@@ -0,0 +1,780 @@
 937,Reorder Data in Log Files,54.3%,Easy,5.669086974531991, https://leetcode.com/problems/reorder-data-in-log-files
 200,Number of Islands,46.8%,Medium,5.5619953379074385, https://leetcode.com/problems/number-of-islands
 1192,Critical Connections in a Network,48.6%,Hard,5.451163696788967, https://leetcode.com/problems/critical-connections-in-a-network
 1,Two Sum,45.6%,Easy,5.340332055670496, https://leetcode.com/problems/two-sum
 146,LRU Cache,33.2%,Medium,5.266473618736184, https://leetcode.com/problems/lru-cache
 973,K Closest Points to Origin,63.8%,Medium,5.155641977617712, https://leetcode.com/problems/k-closest-points-to-origin
 819,Most Common Word,44.8%,Easy,5.044810336499242, https://leetcode.com/problems/most-common-word
 138,Copy List with Random Pointer,36.4%,Medium,5.028653490396094, https://leetcode.com/problems/copy-list-with-random-pointer
 5,Longest Palindromic Substring,29.5%,Medium,4.9178218492776224, https://leetcode.com/problems/longest-palindromic-substring
 994,Rotting Oranges,49.2%,Medium,4.806990208159151, https://leetcode.com/problems/rotting-oranges
 42,Trapping Rain Water,48.9%,Hard,4.697248826330039, https://leetcode.com/problems/trapping-rain-water
 23,Merge k Sorted Lists,40.2%,Hard,4.599324597310145, https://leetcode.com/problems/merge-k-sorted-lists
 763,Partition Labels,76.1%,Medium,4.548324962256519, https://leetcode.com/problems/partition-labels
 2,Add Two Numbers,33.9%,Medium,4.4374933211380485, https://leetcode.com/problems/add-two-numbers
 20,Valid Parentheses,39.0%,Easy,4.362623996011495, https://leetcode.com/problems/valid-parentheses
 21,Merge Two Sorted Lists,53.5%,Easy,4.322317225718424, https://leetcode.com/problems/merge-two-sorted-lists
 127,Word Ladder,29.6%,Medium,4.310600785424381, https://leetcode.com/problems/word-ladder
 295,Find Median from Data Stream,44.3%,Hard,4.2919882291467175, https://leetcode.com/problems/find-median-from-data-stream
 297,Serialize and Deserialize Binary Tree,47.5%,Hard,4.29109371663071, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
 692,Top K Frequent Words,51.8%,Medium,4.255293916882421, https://leetcode.com/problems/top-k-frequent-words
 572,Subtree of Another Tree,44.1%,Easy,4.159077466360555, https://leetcode.com/problems/subtree-of-another-tree
 240,Search a 2D Matrix II,43.2%,Medium,4.048245825242085, https://leetcode.com/problems/search-a-2d-matrix-ii
 126,Word Ladder II,22.1%,Hard,4.024013333632092, https://leetcode.com/problems/word-ladder-ii
 472,Concatenated Words,43.7%,Hard,3.9215983336727347, https://leetcode.com/problems/concatenated-words
 642,Design Search Autocomplete System,44.7%,Hard,3.8667846655909375, https://leetcode.com/problems/design-search-autocomplete-system
 957,Prison Cells After N Days,40.7%,Medium,3.8492305425836575, https://leetcode.com/problems/prison-cells-after-n-days
 121,Best Time to Buy and Sell Stock,50.5%,Easy,3.8154100052812234, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 273,Integer to English Words,27.1%,Hard,3.751742974770793, https://leetcode.com/problems/integer-to-english-words
 4,Median of Two Sorted Arrays,29.6%,Hard,3.7294575736470525, https://leetcode.com/problems/median-of-two-sorted-arrays
 3,Longest Substring Without Repeating Characters,30.4%,Medium,3.673122324413377, https://leetcode.com/problems/longest-substring-without-repeating-characters
 253,Meeting Rooms II,45.7%,Medium,3.650908416088221, https://leetcode.com/problems/meeting-rooms-ii
 17,Letter Combinations of a Phone Number,46.8%,Medium,3.646488617199801, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 348,Design Tic-Tac-Toe,54.3%,Medium,3.644912199818459, https://leetcode.com/problems/design-tic-tac-toe
 139,Word Break,40.1%,Medium,3.568929344215992, https://leetcode.com/problems/word-break
 155,Min Stack,44.5%,Easy,3.5435069249614877, https://leetcode.com/problems/min-stack
 48,Rotate Image,56.7%,Medium,3.5414589493287463, https://leetcode.com/problems/rotate-image
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,3.5247783696000754, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 238,Product of Array Except Self,60.1%,Medium,3.514882900018146, https://leetcode.com/problems/product-of-array-except-self
 212,Word Search II,34.9%,Hard,3.4837901561793956, https://leetcode.com/problems/word-search-ii
 12,Integer to Roman,55.1%,Medium,3.4609849174972926, https://leetcode.com/problems/integer-to-roman
 239,Sliding Window Maximum,43.0%,Hard,3.433795326058728, https://leetcode.com/problems/sliding-window-maximum
 269,Alien Dictionary,33.3%,Hard,3.377668409524585, https://leetcode.com/problems/alien-dictionary
 460,LFU Cache,34.2%,Hard,3.3776519095965654, https://leetcode.com/problems/lfu-cache
 15,3Sum,26.8%,Medium,3.3710842155526985, https://leetcode.com/problems/3sum
 33,Search in Rotated Sorted Array,34.5%,Medium,3.3666485807729396, https://leetcode.com/problems/search-in-rotated-sorted-array
 675,Cut Off Trees for Golf Event,34.6%,Hard,3.36225540086527, https://leetcode.com/problems/cut-off-trees-for-golf-event
 588,Design In-Memory File System,45.9%,Hard,3.360532016478895, https://leetcode.com/problems/design-in-memory-file-system
 909,Snakes and Ladders,38.4%,Medium,3.343741372618161, https://leetcode.com/problems/snakes-and-ladders
 165,Compare Version Numbers,27.4%,Medium,3.2759201587167275, https://leetcode.com/problems/compare-version-numbers
 56,Merge Intervals,39.3%,Medium,3.274551916823998, https://leetcode.com/problems/merge-intervals
 380,Insert Delete GetRandom O(1),47.5%,Medium,3.264575909538694, https://leetcode.com/problems/insert-delete-getrandom-o1
 53,Maximum Subarray,46.5%,Easy,3.2518398869431175, https://leetcode.com/problems/maximum-subarray
 49,Group Anagrams,56.9%,Medium,3.2464298158187788, https://leetcode.com/problems/group-anagrams
 545,Boundary of Binary Tree,38.9%,Medium,3.2370535533630154, https://leetcode.com/problems/boundary-of-binary-tree
 11,Container With Most Water,50.8%,Medium,3.1775832534023336, https://leetcode.com/problems/container-with-most-water
 76,Minimum Window Substring,34.6%,Hard,3.1730470473640895, https://leetcode.com/problems/minimum-window-substring
 54,Spiral Matrix,34.1%,Medium,3.1133021060526898, https://leetcode.com/problems/spiral-matrix
 1152,Analyze User Website Visit Pattern,43.5%,Medium,3.092908705843992, https://leetcode.com/problems/analyze-user-website-visit-pattern
 45,Jump Game II,30.6%,Hard,3.0792002097019933, https://leetcode.com/problems/jump-game-ii
 206,Reverse Linked List,62.5%,Easy,3.0671059105253646, https://leetcode.com/problems/reverse-linked-list
 1167,Minimum Cost to Connect Sticks,62.8%,Medium,3.0601766637553607, https://leetcode.com/problems/minimum-cost-to-connect-sticks
 277,Find the Celebrity,41.8%,Medium,2.94934502263689, https://leetcode.com/problems/find-the-celebrity
 124,Binary Tree Maximum Path Sum,34.3%,Hard,2.9289335381500554, https://leetcode.com/problems/binary-tree-maximum-path-sum
 322,Coin Change,35.5%,Medium,2.9225882870663615, https://leetcode.com/problems/coin-change
 863,All Nodes Distance K in Binary Tree,55.4%,Medium,2.8584437554191786, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
 694,Number of Distinct Islands,56.0%,Medium,2.8410258837930096, https://leetcode.com/problems/number-of-distinct-islands
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,2.828681880742103, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 733,Flood Fill,55.3%,Easy,2.79988479636092, https://leetcode.com/problems/flood-fill
 25,Reverse Nodes in k-Group,42.1%,Hard,2.7613797410092618, https://leetcode.com/problems/reverse-nodes-in-k-group
 341,Flatten Nested List Iterator,52.9%,Medium,2.754450954511437, https://leetcode.com/problems/flatten-nested-list-iterator
 98,Validate Binary Search Tree,27.8%,Medium,2.737334189986096, https://leetcode.com/problems/validate-binary-search-tree
 490,The Maze,51.4%,Medium,2.6684292618304393, https://leetcode.com/problems/the-maze
 208,Implement Trie (Prefix Tree),49.4%,Medium,2.65382797633134, https://leetcode.com/problems/implement-trie-prefix-tree
 535,Encode and Decode TinyURL,79.9%,Medium,2.648278198910626, https://leetcode.com/problems/encode-and-decode-tinyurl
 1268,Search Suggestions System,63.2%,Medium,2.6191388654944228, https://leetcode.com/problems/search-suggestions-system
 224,Basic Calculator,36.8%,Hard,2.6186476779233394, https://leetcode.com/problems/basic-calculator
 99,Recover Binary Search Tree,39.7%,Hard,2.5927917375731657, https://leetcode.com/problems/recover-binary-search-tree
 289,Game of Life,54.5%,Medium,2.5856365392630773, https://leetcode.com/problems/game-of-life
 438,Find All Anagrams in a String,43.3%,Medium,2.5722353072335498, https://leetcode.com/problems/find-all-anagrams-in-a-string
 116,Populating Next Right Pointers in Each Node,45.2%,Medium,2.57096386118438, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
 22,Generate Parentheses,62.7%,Medium,2.5685235165995333, https://leetcode.com/problems/generate-parentheses
 218,The Skyline Problem,34.6%,Hard,2.559475345285509, https://leetcode.com/problems/the-skyline-problem
 772,Basic Calculator III,41.3%,Hard,2.55813888845901, https://leetcode.com/problems/basic-calculator-iii
 314,Binary Tree Vertical Order Traversal,45.3%,Medium,2.550800170263845, https://leetcode.com/problems/binary-tree-vertical-order-traversal
 387,First Unique Character in a String,53.4%,Easy,2.54799745525127, https://leetcode.com/problems/first-unique-character-in-a-string
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,2.5404024506810825, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 215,Kth Largest Element in an Array,55.4%,Medium,2.5347978538534184, https://leetcode.com/problems/kth-largest-element-in-an-array
 102,Binary Tree Level Order Traversal,54.6%,Medium,2.5203331450038857, https://leetcode.com/problems/binary-tree-level-order-traversal
 207,Course Schedule,43.1%,Medium,2.503721648394562, https://leetcode.com/problems/course-schedule
 91,Decode Ways,24.7%,Medium,2.490602261668241, https://leetcode.com/problems/decode-ways
 140,Word Break II,32.6%,Hard,2.479095544790561, https://leetcode.com/problems/word-break-ii
 64,Minimum Path Sum,54.5%,Medium,2.4716559596617222, https://leetcode.com/problems/minimum-path-sum
 84,Largest Rectangle in Histogram,35.2%,Hard,2.4467234894421694, https://leetcode.com/problems/largest-rectangle-in-histogram
 866,Prime Palindrome,24.9%,Medium,2.426668322236189, https://leetcode.com/problems/prime-palindrome
 13,Roman to Integer,55.7%,Easy,2.416073231744048, https://leetcode.com/problems/roman-to-integer
 227,Basic Calculator II,36.9%,Medium,2.4100145835028153, https://leetcode.com/problems/basic-calculator-ii
 117,Populating Next Right Pointers in Each Node II,39.1%,Medium,2.3950274761670123, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
 505,The Maze II,47.7%,Medium,2.3775245123756745, https://leetcode.com/problems/the-maze-ii
 449,Serialize and Deserialize BST,52.0%,Medium,2.355719394696847, https://leetcode.com/problems/serialize-and-deserialize-bst
 55,Jump Game,34.6%,Medium,2.354033209232933, https://leetcode.com/problems/jump-game
 695,Max Area of Island,62.7%,Medium,2.3328594765055053, https://leetcode.com/problems/max-area-of-island
 362,Design Hit Counter,63.7%,Medium,2.3302202652283723, https://leetcode.com/problems/design-hit-counter
 235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,2.3282029797125845, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
 93,Restore IP Addresses,35.6%,Medium,2.3249869771549077, https://leetcode.com/problems/restore-ip-addresses
 1000,Minimum Cost to Merge Stones,39.8%,Hard,2.285269832848969, https://leetcode.com/problems/minimum-cost-to-merge-stones
 74,Search a 2D Matrix,36.5%,Medium,2.2752799670533843, https://leetcode.com/problems/search-a-2d-matrix
 8,String to Integer (atoi),15.4%,Medium,2.240034398814754, https://leetcode.com/problems/string-to-integer-atoi
 1102,Path With Maximum Minimum Value,49.2%,Medium,2.236364097993119, https://leetcode.com/problems/path-with-maximum-minimum-value
 221,Maximal Square,37.7%,Medium,2.2359845035549557, https://leetcode.com/problems/maximal-square
 543,Diameter of Binary Tree,48.4%,Easy,2.2300472912033396, https://leetcode.com/problems/diameter-of-binary-tree
 101,Symmetric Tree,46.8%,Easy,2.218229616099434, https://leetcode.com/problems/symmetric-tree
 711,Number of Distinct Islands II,47.3%,Hard,2.1972245773362196, https://leetcode.com/problems/number-of-distinct-islands-ii
 173,Binary Search Tree Iterator,56.6%,Medium,2.1894746276945916, https://leetcode.com/problems/binary-search-tree-iterator
 445,Add Two Numbers II,54.5%,Medium,2.1695498551799988, https://leetcode.com/problems/add-two-numbers-ii
 143,Reorder List,37.1%,Medium,2.148764391721176, https://leetcode.com/problems/reorder-list
 31,Next Permutation,32.6%,Medium,2.1484244000997346, https://leetcode.com/problems/next-permutation
 134,Gas Station,38.5%,Medium,2.142566589871282, https://leetcode.com/problems/gas-station
 234,Palindrome Linked List,39.3%,Easy,2.134538085279358, https://leetcode.com/problems/palindrome-linked-list
 199,Binary Tree Right Side View,54.1%,Medium,2.1265239954461888, https://leetcode.com/problems/binary-tree-right-side-view
 72,Edit Distance,44.8%,Hard,2.121008287749178, https://leetcode.com/problems/edit-distance
 149,Max Points on a Line,16.9%,Hard,2.1126877423916333, https://leetcode.com/problems/max-points-on-a-line
 79,Word Search,35.6%,Medium,2.1111316640536213, https://leetcode.com/problems/word-search
 347,Top K Frequent Elements,61.2%,Medium,2.101870619522738, https://leetcode.com/problems/top-k-frequent-elements
 62,Unique Paths,54.1%,Medium,2.0850418565392053, https://leetcode.com/problems/unique-paths
 631,Design Excel Sum Formula,31.6%,Hard,2.0739919369122712, https://leetcode.com/problems/design-excel-sum-formula
 394,Decode String,50.0%,Medium,2.0663903647082917, https://leetcode.com/problems/decode-string
 353,Design Snake Game,34.2%,Medium,2.0643120655473823, https://leetcode.com/problems/design-snake-game
 384,Shuffle an Array,52.8%,Medium,2.051144428767012, https://leetcode.com/problems/shuffle-an-array
 323,Number of Connected Components in an Undirected Graph,56.0%,Medium,2.0420691989817303, https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
 133,Clone Graph,34.8%,Medium,2.032877757580115, https://leetcode.com/problems/clone-graph
 706,Design HashMap,61.3%,Easy,1.9992790950371089, https://leetcode.com/problems/design-hashmap
 336,Palindrome Pairs,33.7%,Hard,1.9947738093111118, https://leetcode.com/problems/palindrome-pairs
 682,Baseball Game,63.7%,Easy,1.9698767413574847, https://leetcode.com/problems/baseball-game
 759,Employee Free Time,66.2%,Hard,1.9498164040223784, https://leetcode.com/problems/employee-free-time
 281,Zigzag Iterator,58.4%,Medium,1.9424197441155449, https://leetcode.com/problems/zigzag-iterator
 1091,Shortest Path in Binary Matrix,38.2%,Medium,1.9257261904488205, https://leetcode.com/problems/shortest-path-in-binary-matrix
 1120,Maximum Average Subtree,61.9%,Medium,1.9180337795270583, https://leetcode.com/problems/maximum-average-subtree
 185,Department Top Three Salaries,34.5%,Hard,1.9085241431117688, https://leetcode.com/problems/department-top-three-salaries
 150,Evaluate Reverse Polish Notation,36.3%,Medium,1.9012041599672846, https://leetcode.com/problems/evaluate-reverse-polish-notation
 10,Regular Expression Matching,26.8%,Hard,1.8952971922607, https://leetcode.com/problems/regular-expression-matching
 564,Find the Closest Palindrome,19.7%,Hard,1.8891939196134606, https://leetcode.com/problems/find-the-closest-palindrome
 71,Simplify Path,32.6%,Medium,1.888682852832007, https://leetcode.com/problems/simplify-path
 1099,Two Sum Less Than K,60.6%,Easy,1.8844097937561664, https://leetcode.com/problems/two-sum-less-than-k
 96,Unique Binary Search Trees,52.9%,Medium,1.883023885568637, https://leetcode.com/problems/unique-binary-search-trees
 417,Pacific Atlantic Water Flow,41.1%,Medium,1.8768501431988962, https://leetcode.com/problems/pacific-atlantic-water-flow
 1279,Traffic Light Controlled Intersection,74.3%,Easy,1.8726661078408553, https://leetcode.com/problems/traffic-light-controlled-intersection
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,1.8525949058444695, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 895,Maximum Frequency Stack,60.6%,Hard,1.8490817503358836, https://leetcode.com/problems/maximum-frequency-stack
 97,Interleaving String,31.5%,Hard,1.83971213304063, https://leetcode.com/problems/interleaving-string
 286,Walls and Gates,54.5%,Medium,1.8391208816311395, https://leetcode.com/problems/walls-and-gates
 640,Solve the Equation,42.0%,Medium,1.833456992769655, https://leetcode.com/problems/solve-the-equation
 39,Combination Sum,56.1%,Medium,1.817926014095787, https://leetcode.com/problems/combination-sum
 59,Spiral Matrix II,53.9%,Medium,1.8176193109460805, https://leetcode.com/problems/spiral-matrix-ii
 317,Shortest Distance from All Buildings,41.4%,Hard,1.8109171432609883, https://leetcode.com/problems/shortest-distance-from-all-buildings
 529,Minesweeper,59.1%,Medium,1.7898723201494031, https://leetcode.com/problems/minesweeper
 169,Majority Element,58.7%,Easy,1.7889052208605918, https://leetcode.com/problems/majority-element
 152,Maximum Product Subarray,31.7%,Medium,1.7713469853694581, https://leetcode.com/problems/maximum-product-subarray
 503,Next Greater Element II,56.5%,Medium,1.770513630608183, https://leetcode.com/problems/next-greater-element-ii
 210,Course Schedule II,40.7%,Medium,1.7702354394987208, https://leetcode.com/problems/course-schedule-ii
 167,Two Sum II - Input array is sorted,54.1%,Easy,1.7588952422994573, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
 78,Subsets,62.0%,Medium,1.755791978967868, https://leetcode.com/problems/subsets
 312,Burst Balloons,51.8%,Hard,1.7426298809449383, https://leetcode.com/problems/burst-balloons
 88,Merge Sorted Array,39.4%,Easy,1.741132376248305, https://leetcode.com/problems/merge-sorted-array
 315,Count of Smaller Numbers After Self,41.5%,Hard,1.7376152797037996, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 211,Add and Search Word - Data structure design,38.1%,Medium,1.727663895328723, https://leetcode.com/problems/add-and-search-word-data-structure-design
 252,Meeting Rooms,54.6%,Easy,1.727286498219969, https://leetcode.com/problems/meeting-rooms
 92,Reverse Linked List II,38.8%,Medium,1.7268015729532826, https://leetcode.com/problems/reverse-linked-list-ii
 1155,Number of Dice Rolls With Target Sum,49.0%,Medium,1.7200707644102335, https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
 160,Intersection of Two Linked Lists,40.6%,Easy,1.7175192044428398, https://leetcode.com/problems/intersection-of-two-linked-lists
 538,Convert BST to Greater Tree,55.4%,Easy,1.7154361234077207, https://leetcode.com/problems/convert-bst-to-greater-tree
 36,Valid Sudoku,48.7%,Medium,1.7143211698041672, https://leetcode.com/problems/valid-sudoku
 261,Graph Valid Tree,42.2%,Medium,1.7120554575780782, https://leetcode.com/problems/graph-valid-tree
 41,First Missing Positive,32.0%,Hard,1.7077985883022846, https://leetcode.com/problems/first-missing-positive
 75,Sort Colors,47.3%,Medium,1.7055667578592613, https://leetcode.com/problems/sort-colors
 332,Reconstruct Itinerary,36.7%,Medium,1.70247908836567, https://leetcode.com/problems/reconstruct-itinerary
 388,Longest Absolute File Path,41.8%,Medium,1.701920835619497, https://leetcode.com/problems/longest-absolute-file-path
 980,Unique Paths III,73.3%,Hard,1.6945957207744073, https://leetcode.com/problems/unique-paths-iii
 32,Longest Valid Parentheses,28.4%,Hard,1.6919770613401734, https://leetcode.com/problems/longest-valid-parentheses
 128,Longest Consecutive Sequence,45.1%,Hard,1.6865841637000685, https://leetcode.com/problems/longest-consecutive-sequence
 653,Two Sum IV - Input is a BST,55.5%,Easy,1.6840881035040853, https://leetcode.com/problems/two-sum-iv-input-is-a-bst
 153,Find Minimum in Rotated Sorted Array,45.1%,Medium,1.6770877689648518, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
 46,Permutations,63.5%,Medium,1.6727146787726128, https://leetcode.com/problems/permutations
 57,Insert Interval,33.5%,Hard,1.663668453758183, https://leetcode.com/problems/insert-interval
 560,Subarray Sum Equals K,43.9%,Medium,1.6592537569720698, https://leetcode.com/problems/subarray-sum-equals-k
 228,Summary Ranges,39.5%,Medium,1.6567376779326932, https://leetcode.com/problems/summary-ranges
 19,Remove Nth Node From End of List,35.2%,Medium,1.65214258899559, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 815,Bus Routes,42.5%,Hard,1.6520112554791415, https://leetcode.com/problems/bus-routes
 109,Convert Sorted List to Binary Search Tree,47.7%,Medium,1.6493576818898796, https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
 177,Nth Highest Salary,31.4%,Medium,1.6455495908564486, https://leetcode.com/problems/nth-highest-salary
 489,Robot Room Cleaner,69.7%,Hard,1.6324326136038003, https://leetcode.com/problems/robot-room-cleaner
 268,Missing Number,51.7%,Easy,1.6320760079492722, https://leetcode.com/problems/missing-number
 767,Reorganize String,48.7%,Medium,1.629188040780247, https://leetcode.com/problems/reorganize-string
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,1.6269507084661998, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 496,Next Greater Element I,63.8%,Easy,1.6232949470955267, https://leetcode.com/problems/next-greater-element-i
 179,Largest Number,28.8%,Medium,1.6163944622274604, https://leetcode.com/problems/largest-number
 739,Daily Temperatures,63.3%,Medium,1.6160707692725675, https://leetcode.com/problems/daily-temperatures
 135,Candy,31.6%,Hard,1.6085311570447844, https://leetcode.com/problems/candy
 333,Largest BST Subtree,35.8%,Medium,1.6081890830491932, https://leetcode.com/problems/largest-bst-subtree
 716,Max Stack,42.6%,Easy,1.5967072751794937, https://leetcode.com/problems/max-stack
 983,Minimum Cost For Tickets,60.5%,Medium,1.5900124782015408, https://leetcode.com/problems/minimum-cost-for-tickets
 284,Peeking Iterator,45.7%,Medium,1.5734095705907016, https://leetcode.com/problems/peeking-iterator
 703,Kth Largest Element in a Stream,49.7%,Easy,1.5707712794799118, https://leetcode.com/problems/kth-largest-element-in-a-stream
 403,Frog Jump,39.7%,Hard,1.5648607913227532, https://leetcode.com/problems/frog-jump
 987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,1.5645723589490914, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
 1135,Connecting Cities With Minimum Cost,57.5%,Medium,1.55814461804655, https://leetcode.com/problems/connecting-cities-with-minimum-cost
 24,Swap Nodes in Pairs,50.4%,Medium,1.5573641606589284, https://leetcode.com/problems/swap-nodes-in-pairs
 437,Path Sum III,47.2%,Medium,1.5554113655450712, https://leetcode.com/problems/path-sum-iii
 300,Longest Increasing Subsequence,42.6%,Medium,1.5490046156762238, https://leetcode.com/problems/longest-increasing-subsequence
 85,Maximal Rectangle,37.7%,Hard,1.537804933809427, https://leetcode.com/problems/maximal-rectangle
 456,132 Pattern,28.9%,Medium,1.525732992790649, https://leetcode.com/problems/132-pattern
 141,Linked List Cycle,41.1%,Easy,1.522542660710357, https://leetcode.com/problems/linked-list-cycle
 113,Path Sum II,46.7%,Medium,1.5150515928584396, https://leetcode.com/problems/path-sum-ii
 285,Inorder Successor in BST,40.4%,Medium,1.510518743584091, https://leetcode.com/problems/inorder-successor-in-bst
 373,Find K Pairs with Smallest Sums,36.7%,Medium,1.5084295594383275, https://leetcode.com/problems/find-k-pairs-with-smallest-sums
 188,Best Time to Buy and Sell Stock IV,28.0%,Hard,1.5043549047564093, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
 346,Moving Average from Data Stream,70.9%,Easy,1.5026900216652235, https://leetcode.com/problems/moving-average-from-data-stream
 16,3Sum Closest,46.0%,Medium,1.502292150830875, https://leetcode.com/problems/3sum-closest
 70,Climbing Stairs,47.8%,Easy,1.4992054591551138, https://leetcode.com/problems/climbing-stairs
 51,N-Queens,46.6%,Hard,1.4985525208443042, https://leetcode.com/problems/n-queens
 556,Next Greater Element III,31.7%,Medium,1.4953904059628045, https://leetcode.com/problems/next-greater-element-iii
 148,Sort List,42.3%,Medium,1.4930623365455966, https://leetcode.com/problems/sort-list
 287,Find the Duplicate Number,55.5%,Medium,1.4924096601235335, https://leetcode.com/problems/find-the-duplicate-number
 518,Coin Change 2,50.2%,Medium,1.4888697222870522, https://leetcode.com/problems/coin-change-2
 176,Second Highest Salary,31.6%,Easy,1.4884959036034955, https://leetcode.com/problems/second-highest-salary
 120,Triangle,44.2%,Medium,1.484114863291384, https://leetcode.com/problems/triangle
 18,4Sum,33.7%,Medium,1.4782493997995902, https://leetcode.com/problems/4sum
 270,Closest Binary Search Tree Value,48.5%,Easy,1.4782231041316831, https://leetcode.com/problems/closest-binary-search-tree-value
 378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,1.4775268731337763, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
 540,Single Element in a Sorted Array,57.9%,Medium,1.4535722160879798, https://leetcode.com/problems/single-element-in-a-sorted-array
 205,Isomorphic Strings,39.8%,Easy,1.4257801948697113, https://leetcode.com/problems/isomorphic-strings
 63,Unique Paths II,34.6%,Medium,1.4252857596598822, https://leetcode.com/problems/unique-paths-ii
 1044,Longest Duplicate Substring,31.9%,Hard,1.4233794786674083, https://leetcode.com/problems/longest-duplicate-substring
 73,Set Matrix Zeroes,43.1%,Medium,1.412093837666145, https://leetcode.com/problems/set-matrix-zeroes
 480,Sliding Window Median,37.2%,Hard,1.4100242881620002, https://leetcode.com/problems/sliding-window-median
 68,Text Justification,27.7%,Hard,1.4086426277269546, https://leetcode.com/problems/text-justification
 232,Implement Queue using Stacks,49.6%,Easy,1.405609167303699, https://leetcode.com/problems/implement-queue-using-stacks
 628,Maximum Product of Three Numbers,47.1%,Easy,1.395625688548775, https://leetcode.com/problems/maximum-product-of-three-numbers
 442,Find All Duplicates in an Array,67.8%,Medium,1.3879078561527354, https://leetcode.com/problems/find-all-duplicates-in-an-array
 229,Majority Element II,35.6%,Medium,1.3878563920773275, https://leetcode.com/problems/majority-element-ii
 14,Longest Common Prefix,35.4%,Easy,1.3846092304355875, https://leetcode.com/problems/longest-common-prefix
 787,Cheapest Flights Within K Stops,39.3%,Medium,1.3785446949130122, https://leetcode.com/problems/cheapest-flights-within-k-stops
 340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,1.376802072444063, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
 325,Maximum Size Subarray Sum Equals k,46.8%,Medium,1.3718223285113562, https://leetcode.com/problems/maximum-size-subarray-sum-equals-k
 44,Wildcard Matching,24.7%,Hard,1.3612330189496715, https://leetcode.com/problems/wildcard-matching
 770,Basic Calculator IV,48.1%,Hard,1.349926716949016, https://leetcode.com/problems/basic-calculator-iv
 136,Single Number,65.5%,Easy,1.3484621511838726, https://leetcode.com/problems/single-number
 298,Binary Tree Longest Consecutive Sequence,47.1%,Medium,1.3468042514132559, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence
 329,Longest Increasing Path in a Matrix,43.4%,Hard,1.3445409323873254, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 943,Find the Shortest Superstring,42.9%,Hard,1.3440770366239985, https://leetcode.com/problems/find-the-shortest-superstring
 636,Exclusive Time of Functions,52.0%,Medium,1.337457727469282, https://leetcode.com/problems/exclusive-time-of-functions
 369,Plus One Linked List,58.2%,Medium,1.3373637376483105, https://leetcode.com/problems/plus-one-linked-list
 836,Rectangle Overlap,48.6%,Easy,1.3093762375177274, https://leetcode.com/problems/rectangle-overlap
 104,Maximum Depth of Binary Tree,66.0%,Easy,1.3036892816187777, https://leetcode.com/problems/maximum-depth-of-binary-tree
 28,Implement strStr(),34.5%,Easy,1.3004317080961885, https://leetcode.com/problems/implement-strstr
 652,Find Duplicate Subtrees,50.2%,Medium,1.2947555287452976, https://leetcode.com/problems/find-duplicate-subtrees
 6,ZigZag Conversion,36.3%,Medium,1.2945919484397381, https://leetcode.com/problems/zigzag-conversion
 399,Evaluate Division,51.6%,Medium,1.2776123973076763, https://leetcode.com/problems/evaluate-division
 516,Longest Palindromic Subsequence,53.2%,Medium,1.2647788135797973, https://leetcode.com/problems/longest-palindromic-subsequence
 678,Valid Parenthesis String,31.0%,Medium,1.2621550094401792, https://leetcode.com/problems/valid-parenthesis-string
 30,Substring with Concatenation of All Words,25.4%,Hard,1.2576954927329822, https://leetcode.com/problems/substring-with-concatenation-of-all-words
 242,Valid Anagram,56.9%,Easy,1.2523912240430903, https://leetcode.com/problems/valid-anagram
 349,Intersection of Two Arrays,62.5%,Easy,1.2500304774974387, https://leetcode.com/problems/intersection-of-two-arrays
 688,Knight Probability in Chessboard,48.9%,Medium,1.2499797771635763, https://leetcode.com/problems/knight-probability-in-chessboard
 981,Time Based Key-Value Store,53.1%,Medium,1.2475237673763375, https://leetcode.com/problems/time-based-key-value-store
 344,Reverse String,68.5%,Easy,1.246073823348854, https://leetcode.com/problems/reverse-string
 1011,Capacity To Ship Packages Within D Days,58.1%,Medium,1.2456439416601042, https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
 301,Remove Invalid Parentheses,43.3%,Hard,1.2420369009788985, https://leetcode.com/problems/remove-invalid-parentheses
 29,Divide Two Integers,16.4%,Medium,1.2393242049042936, https://leetcode.com/problems/divide-two-integers
 112,Path Sum,41.2%,Easy,1.229277243236903, https://leetcode.com/problems/path-sum
 1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,1.2017796795353952, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
 1100,Find K-Length Substrings With No Repeated Characters,72.7%,Medium,1.184336829809077, https://leetcode.com/problems/find-k-length-substrings-with-no-repeated-characters
 50,Pow(x, n),30.3%,Medium,1.1768920107434977, https://leetcode.com/problems/powx-n
 997,Find the Town Judge,50.1%,Easy,1.1748732874596588, https://leetcode.com/problems/find-the-town-judge
 37,Sudoku Solver,43.6%,Hard,1.1707049260761857, https://leetcode.com/problems/sudoku-solver
 805,Split Array With Same Average,26.4%,Hard,1.1685097282854882, https://leetcode.com/problems/split-array-with-same-average
 225,Implement Stack using Queues,45.1%,Easy,1.1607390767279342, https://leetcode.com/problems/implement-stack-using-queues
 854,K-Similar Strings,38.2%,Hard,1.159451415301, https://leetcode.com/problems/k-similar-strings
 230,Kth Smallest Element in a BST,60.2%,Medium,1.1554440075543555, https://leetcode.com/problems/kth-smallest-element-in-a-bst
 721,Accounts Merge,48.8%,Medium,1.132047679382686, https://leetcode.com/problems/accounts-merge
 622,Design Circular Queue,43.7%,Medium,1.1151322814092532, https://leetcode.com/problems/design-circular-queue
 409,Longest Palindrome,50.3%,Easy,1.111534519336826, https://leetcode.com/problems/longest-palindrome
 542,01 Matrix,39.8%,Medium,1.0983100368900796, https://leetcode.com/problems/01-matrix
 726,Number of Atoms,49.0%,Hard,1.0953173927712572, https://leetcode.com/problems/number-of-atoms
 426,Convert Binary Search Tree to Sorted Doubly Linked List,59.1%,Medium,1.0936982738656806, https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
 352,Data Stream as Disjoint Intervals,47.3%,Hard,1.08883225961447, https://leetcode.com/problems/data-stream-as-disjoint-intervals
 794,Valid Tic-Tac-Toe State,32.6%,Medium,1.084013489246957, https://leetcode.com/problems/valid-tic-tac-toe-state
 430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,1.0759104468012752, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
 257,Binary Tree Paths,51.5%,Easy,1.0701785650709081, https://leetcode.com/problems/binary-tree-paths
 130,Surrounded Regions,28.1%,Medium,1.0580786465917589, https://leetcode.com/problems/surrounded-regions
 283,Move Zeroes,57.8%,Easy,1.0574179950057128, https://leetcode.com/problems/move-zeroes
 94,Binary Tree Inorder Traversal,63.3%,Medium,1.0494187495898502, https://leetcode.com/problems/binary-tree-inorder-traversal
 131,Palindrome Partitioning,47.5%,Medium,1.0478776380798687, https://leetcode.com/problems/palindrome-partitioning
 81,Search in Rotated Sorted Array II,33.0%,Medium,1.0428016537891152, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
 187,Repeated DNA Sequences,38.9%,Medium,1.0291054104877544, https://leetcode.com/problems/repeated-dna-sequences
 266,Palindrome Permutation,61.9%,Easy,1.0274940178688448, https://leetcode.com/problems/palindrome-permutation
 7,Reverse Integer,25.8%,Easy,1.0261569402361814, https://leetcode.com/problems/reverse-integer
 381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,1.0261327161577256, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
 498,Diagonal Traverse,48.2%,Medium,1.025668325492283, https://leetcode.com/problems/diagonal-traverse
 1219,Path with Maximum Gold,65.1%,Medium,1.0200550109500872, https://leetcode.com/problems/path-with-maximum-gold
 547,Friend Circles,58.6%,Medium,1.019483411931132, https://leetcode.com/problems/friend-circles
 86,Partition List,41.5%,Medium,1.013118527145907, https://leetcode.com/problems/partition-list
 1032,Stream of Characters,48.3%,Hard,0.9999747005961613, https://leetcode.com/problems/stream-of-characters
 508,Most Frequent Subtree Sum,57.9%,Medium,0.9932954993707267, https://leetcode.com/problems/most-frequent-subtree-sum
 226,Invert Binary Tree,65.0%,Easy,0.9901067136378103, https://leetcode.com/problems/invert-binary-tree
 279,Perfect Squares,47.4%,Medium,0.9886113934537812, https://leetcode.com/problems/perfect-squares
 181,Employees Earning More Than Their Managers,56.9%,Easy,0.985579855770324, https://leetcode.com/problems/employees-earning-more-than-their-managers
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.9793142651665018, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 647,Palindromic Substrings,60.6%,Medium,0.9683364874723026, https://leetcode.com/problems/palindromic-substrings
 412,Fizz Buzz,62.3%,Easy,0.9624576401607463, https://leetcode.com/problems/fizz-buzz
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.9591890988977407, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 1236,Web Crawler,64.3%,Medium,0.9555114450274365, https://leetcode.com/problems/web-crawler
 1214,Two Sum BSTs,67.6%,Medium,0.9540069312030179, https://leetcode.com/problems/two-sum-bsts
 993,Cousins in Binary Tree,52.0%,Easy,0.9498877429645217, https://leetcode.com/problems/cousins-in-binary-tree
 635,Design Log Storage System,58.6%,Medium,0.9448109538225702, https://leetcode.com/problems/design-log-storage-system
 186,Reverse Words in a String II,43.3%,Medium,0.9444616088408514, https://leetcode.com/problems/reverse-words-in-a-string-ii
 61,Rotate List,30.0%,Medium,0.9394615984241457, https://leetcode.com/problems/rotate-list
 1010,Pairs of Songs With Total Durations Divisible by 60,47.4%,Easy,0.9309111851217717, https://leetcode.com/problems/pairs-of-songs-with-total-durations-divisible-by-60
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.9308485059516647, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 175,Combine Two Tables,60.8%,Easy,0.922030457564559, https://leetcode.com/problems/combine-two-tables
 272,Closest Binary Search Tree Value II,50.5%,Hard,0.9186409092191087, https://leetcode.com/problems/closest-binary-search-tree-value-ii
 847,Shortest Path Visiting All Nodes,52.0%,Hard,0.9162907318741551, https://leetcode.com/problems/shortest-path-visiting-all-nodes
 243,Shortest Word Distance,61.0%,Easy,0.9156661872509607, https://leetcode.com/problems/shortest-word-distance
 204,Count Primes,31.5%,Easy,0.9131630637003949, https://leetcode.com/problems/count-primes
 142,Linked List Cycle II,37.3%,Medium,0.9090523469129539, https://leetcode.com/problems/linked-list-cycle-ii
 69,Sqrt(x),33.9%,Easy,0.9075570519054004, https://leetcode.com/problems/sqrtx
 419,Battleships in a Board,70.0%,Medium,0.9066054261396913, https://leetcode.com/problems/battleships-in-a-board
 9,Palindrome Number,48.4%,Easy,0.9052618550446729, https://leetcode.com/problems/palindrome-number
 166,Fraction to Recurring Decimal,21.6%,Medium,0.9045168564220636, https://leetcode.com/problems/fraction-to-recurring-decimal
 1046,Last Stone Weight,62.2%,Easy,0.9036810503424428, https://leetcode.com/problems/last-stone-weight
 463,Island Perimeter,65.7%,Easy,0.8977583255430246, https://leetcode.com/problems/island-perimeter
 406,Queue Reconstruction by Height,66.9%,Medium,0.8962159099714784, https://leetcode.com/problems/queue-reconstruction-by-height
 978,Longest Turbulent Subarray,46.6%,Medium,0.8950133334268702, https://leetcode.com/problems/longest-turbulent-subarray
 162,Find Peak Element,43.3%,Medium,0.8892686044386049, https://leetcode.com/problems/find-peak-element
 366,Find Leaves of Binary Tree,70.6%,Medium,0.8839553512312186, https://leetcode.com/problems/find-leaves-of-binary-tree
 690,Employee Importance,57.3%,Easy,0.8612515751610689, https://leetcode.com/problems/employee-importance
 698,Partition to K Equal Sum Subsets,45.0%,Medium,0.8606112189040876, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
 528,Random Pick with Weight,43.9%,Medium,0.8537872448627086, https://leetcode.com/problems/random-pick-with-weight
 38,Count and Say,44.6%,Easy,0.8451621282279073, https://leetcode.com/problems/count-and-say
 986,Interval List Intersections,67.3%,Medium,0.8448005501549813, https://leetcode.com/problems/interval-list-intersections
 699,Falling Squares,41.8%,Hard,0.8425641237370047, https://leetcode.com/problems/falling-squares
 708,Insert into a Sorted Circular Linked List,31.6%,Medium,0.8412486926027506, https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
 316,Remove Duplicate Letters,35.8%,Hard,0.8355264862628056, https://leetcode.com/problems/remove-duplicate-letters
 110,Balanced Binary Tree,43.5%,Easy,0.8264802107756979, https://leetcode.com/problems/balanced-binary-tree
 1024,Video Stitching,49.2%,Medium,0.8252998676956634, https://leetcode.com/problems/video-stitching
 428,Serialize and Deserialize N-ary Tree,59.4%,Hard,0.8248969236980369, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
 443,String Compression,41.3%,Easy,0.8171356348259033, https://leetcode.com/problems/string-compression
 402,Remove K Digits,28.4%,Medium,0.8014370748648341, https://leetcode.com/problems/remove-k-digits
 361,Bomb Enemy,46.0%,Medium,0.7976598792954321, https://leetcode.com/problems/bomb-enemy
 233,Number of Digit One,31.3%,Hard,0.795650018929816, https://leetcode.com/problems/number-of-digit-one
 658,Find K Closest Elements,40.9%,Medium,0.7930910425507767, https://leetcode.com/problems/find-k-closest-elements
 451,Sort Characters By Frequency,63.0%,Medium,0.7861677199821956, https://leetcode.com/problems/sort-characters-by-frequency
 351,Android Unlock Patterns,48.4%,Medium,0.7857399673877702, https://leetcode.com/problems/android-unlock-patterns
 350,Intersection of Two Arrays II,51.4%,Easy,0.7772102863639844, https://leetcode.com/problems/intersection-of-two-arrays-ii
 632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.7767122589059875, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
 159,Longest Substring with At Most Two Distinct Characters,49.4%,Medium,0.771917623430825, https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters
 843,Guess the Word,46.1%,Hard,0.7713993774596936, https://leetcode.com/problems/guess-the-word
 421,Maximum XOR of Two Numbers in an Array,53.5%,Medium,0.7687845947655654, https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array
 198,House Robber,42.0%,Easy,0.7668348963511045, https://leetcode.com/problems/house-robber
 432,All O`one Data Structure,32.4%,Hard,0.7611889165572873, https://leetcode.com/problems/all-oone-data-structure
 992,Subarrays with K Different Integers,48.6%,Hard,0.7610084034915754, https://leetcode.com/problems/subarrays-with-k-different-integers
 785,Is Graph Bipartite?,47.5%,Medium,0.7560954548741816, https://leetcode.com/problems/is-graph-bipartite
 280,Wiggle Sort,63.8%,Medium,0.7489731078762181, https://leetcode.com/problems/wiggle-sort
 337,House Robber III,50.6%,Medium,0.7463018264794276, https://leetcode.com/problems/house-robber-iii
 807,Max Increase to Keep City Skyline,83.7%,Medium,0.7460467230427119, https://leetcode.com/problems/max-increase-to-keep-city-skyline
 465,Optimal Account Balancing,46.9%,Hard,0.7448354308022082, https://leetcode.com/problems/optimal-account-balancing
 410,Split Array Largest Sum,44.5%,Hard,0.7441136241519729, https://leetcode.com/problems/split-array-largest-sum
 189,Rotate Array,34.7%,Easy,0.7416200263554233, https://leetcode.com/problems/rotate-array
 125,Valid Palindrome,36.7%,Easy,0.7351769408009121, https://leetcode.com/problems/valid-palindrome
 1197,Minimum Knight Moves,36.1%,Medium,0.7348429454547184, https://leetcode.com/problems/minimum-knight-moves
 662,Maximum Width of Binary Tree,41.0%,Medium,0.7347174711149875, https://leetcode.com/problems/maximum-width-of-binary-tree
 1083,Sales Analysis II,50.5%,Easy,0.7337661087783554, https://leetcode.com/problems/sales-analysis-ii
 83,Remove Duplicates from Sorted List,45.4%,Easy,0.730981926104529, https://leetcode.com/problems/remove-duplicates-from-sorted-list
 40,Combination Sum II,48.2%,Medium,0.7232478059561983, https://leetcode.com/problems/combination-sum-ii
 1215,Stepping Numbers,41.6%,Medium,0.7221347174331976, https://leetcode.com/problems/stepping-numbers
 735,Asteroid Collision,41.0%,Medium,0.7215266298498505, https://leetcode.com/problems/asteroid-collision
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.7214631006772332, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 310,Minimum Height Trees,32.3%,Medium,0.7161015166290298, https://leetcode.com/problems/minimum-height-trees
 737,Sentence Similarity II,45.8%,Medium,0.7142005897577777, https://leetcode.com/problems/sentence-similarity-ii
 129,Sum Root to Leaf Numbers,49.1%,Medium,0.7121953755306398, https://leetcode.com/problems/sum-root-to-leaf-numbers
 171,Excel Sheet Column Number,55.9%,Easy,0.7011365705934242, https://leetcode.com/problems/excel-sheet-column-number
 328,Odd Even Linked List,55.7%,Medium,0.7005054248546695, https://leetcode.com/problems/odd-even-linked-list
 617,Merge Two Binary Trees,74.1%,Easy,0.6951157871118873, https://leetcode.com/problems/merge-two-binary-trees
 1429,First Unique Number,47.0%,Medium,0.6890063878939139, https://leetcode.com/problems/first-unique-number
 1086,High Five,79.7%,Easy,0.6845809442085066, https://leetcode.com/problems/high-five
 231,Power of Two,43.7%,Easy,0.682325628816767, https://leetcode.com/problems/power-of-two
 525,Contiguous Array,42.8%,Medium,0.6818617943282788, https://leetcode.com/problems/contiguous-array
 65,Valid Number,15.3%,Hard,0.6815191425648263, https://leetcode.com/problems/valid-number
 151,Reverse Words in a String,21.9%,Medium,0.6738045182437734, https://leetcode.com/problems/reverse-words-in-a-string
 164,Maximum Gap,35.5%,Hard,0.669776346792018, https://leetcode.com/problems/maximum-gap
 356,Line Reflection,31.8%,Medium,0.6661590358422984, https://leetcode.com/problems/line-reflection
 509,Fibonacci Number,67.2%,Easy,0.664818212517161, https://leetcode.com/problems/fibonacci-number
 161,One Edit Distance,32.3%,Medium,0.6540741942599814, https://leetcode.com/problems/one-edit-distance
 901,Online Stock Span,60.2%,Medium,0.6528732814220053, https://leetcode.com/problems/online-stock-span
 202,Happy Number,50.4%,Easy,0.6446045105137912, https://leetcode.com/problems/happy-number
 1229,Meeting Scheduler,52.7%,Medium,0.6314473591904302, https://leetcode.com/problems/meeting-scheduler
 517,Super Washing Machines,38.3%,Hard,0.6257058997644127, https://leetcode.com/problems/super-washing-machines
 1275,Find Winner on a Tic Tac Toe Game,52.8%,Easy,0.6257058997644127, https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
 1022,Sum of Root To Leaf Binary Numbers,67.2%,Easy,0.6177234187427034, https://leetcode.com/problems/sum-of-root-to-leaf-binary-numbers
 90,Subsets II,47.1%,Medium,0.6039160468320026, https://leetcode.com/problems/subsets-ii
 775,Global and Local Inversions,42.1%,Medium,0.6030598245224211, https://leetcode.com/problems/global-and-local-inversions
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.599298406136, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 433,Minimum Genetic Mutation,41.8%,Medium,0.5978370007556205, https://leetcode.com/problems/minimum-genetic-mutation
 137,Single Number II,52.4%,Medium,0.5915614413251872, https://leetcode.com/problems/single-number-ii
 184,Department Highest Salary,36.7%,Medium,0.5872611788154078, https://leetcode.com/problems/department-highest-salary
 1004,Max Consecutive Ones III,59.1%,Medium,0.5826782301065547, https://leetcode.com/problems/max-consecutive-ones-iii
 407,Trapping Rain Water II,42.4%,Hard,0.5801132920909243, https://leetcode.com/problems/trapping-rain-water-ii
 377,Combination Sum IV,45.3%,Medium,0.5650260806636703, https://leetcode.com/problems/combination-sum-iv
 106,Construct Binary Tree from Inorder and Postorder Traversal,47.2%,Medium,0.5648490640754893, https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
 1166,Design File System,56.8%,Medium,0.5632107588532816, https://leetcode.com/problems/design-file-system
 634,Find the Derangement of An Array,40.1%,Medium,0.5623075796011341, https://leetcode.com/problems/find-the-derangement-of-an-array
 725,Split Linked List in Parts,52.2%,Medium,0.5618008463726617, https://leetcode.com/problems/split-linked-list-in-parts
 729,My Calendar I,51.8%,Medium,0.5604105952365035, https://leetcode.com/problems/my-calendar-i
 132,Palindrome Partitioning II,30.2%,Hard,0.5586434981164835, https://leetcode.com/problems/palindrome-partitioning-ii
 929,Unique Email Addresses,67.4%,Easy,0.5581981986897957, https://leetcode.com/problems/unique-email-addresses
 250,Count Univalue Subtrees,52.0%,Medium,0.558033091746432, https://leetcode.com/problems/count-univalue-subtrees
 118,Pascal's Triangle,52.5%,Easy,0.5577273046973674, https://leetcode.com/problems/pascals-triangle
 217,Contains Duplicate,56.0%,Easy,0.5572210986447601, https://leetcode.com/problems/contains-duplicate
 60,Permutation Sequence,38.4%,Hard,0.556508587092674, https://leetcode.com/problems/permutation-sequence
 296,Best Meeting Point,57.5%,Hard,0.5549418894757348, https://leetcode.com/problems/best-meeting-point
 66,Plus One,43.0%,Easy,0.5511076914704698, https://leetcode.com/problems/plus-one
 355,Design Twitter,30.3%,Medium,0.5507956812780529, https://leetcode.com/problems/design-twitter
 715,Range Module,38.5%,Hard,0.537142932083364, https://leetcode.com/problems/range-module
 765,Couples Holding Hands,54.3%,Hard,0.5357102670818683, https://leetcode.com/problems/couples-holding-hands
 611,Valid Triangle Number,48.4%,Medium,0.5280674302004967, https://leetcode.com/problems/valid-triangle-number
 299,Bulls and Cows,42.4%,Easy,0.5254422055488193, https://leetcode.com/problems/bulls-and-cows
 415,Add Strings,47.5%,Easy,0.523163516336748, https://leetcode.com/problems/add-strings
 209,Minimum Size Subarray Sum,38.2%,Medium,0.521415737867371, https://leetcode.com/problems/minimum-size-subarray-sum
 557,Reverse Words in a String III,69.8%,Easy,0.517303044429081, https://leetcode.com/problems/reverse-words-in-a-string-iii
 719,Find K-th Smallest Pair Distance,31.5%,Hard,0.516327700919974, https://leetcode.com/problems/find-k-th-smallest-pair-distance
 335,Self Crossing,28.0%,Hard,0.5141813316129631, https://leetcode.com/problems/self-crossing
 393,UTF-8 Validation,37.5%,Medium,0.5140462384660329, https://leetcode.com/problems/utf-8-validation
 192,Word Frequency,25.8%,Medium,0.5129680991436376, https://leetcode.com/problems/word-frequency
 1057,Campus Bikes,57.7%,Medium,0.50861323348305, https://leetcode.com/problems/campus-bikes
 701,Insert into a Binary Search Tree,77.7%,Medium,0.5073781550220846, https://leetcode.com/problems/insert-into-a-binary-search-tree
 771,Jewels and Stones,86.4%,Easy,0.5067229036260024, https://leetcode.com/problems/jewels-and-stones
 686,Repeated String Match,32.3%,Easy,0.5010216236693699, https://leetcode.com/problems/repeated-string-match
 541,Reverse String II,48.4%,Easy,0.4958227557080944, https://leetcode.com/problems/reverse-string-ii
 637,Average of Levels in Binary Tree,63.1%,Easy,0.49521712604881535, https://leetcode.com/problems/average-of-levels-in-binary-tree
 163,Missing Ranges,24.3%,Medium,0.49182267664037527, https://leetcode.com/problems/missing-ranges
 743,Network Delay Time,45.0%,Medium,0.48760195419344177, https://leetcode.com/problems/network-delay-time
 365,Water and Jug Problem,30.6%,Medium,0.4868470419092762, https://leetcode.com/problems/water-and-jug-problem
 319,Bulb Switcher,45.4%,Medium,0.47849024312305427, https://leetcode.com/problems/bulb-switcher
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.47817067841927885, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 339,Nested List Weight Sum,74.0%,Easy,0.47534247019457115, https://leetcode.com/problems/nested-list-weight-sum
 1031,Maximum Sum of Two Non-Overlapping Subarrays,57.9%,Medium,0.4730707544530479, https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays
 1122,Relative Sort Array,67.7%,Easy,0.47087303251728985, https://leetcode.com/problems/relative-sort-array
 89,Gray Code,49.1%,Medium,0.4705903115740917, https://leetcode.com/problems/gray-code
 111,Minimum Depth of Binary Tree,37.4%,Easy,0.46967145850692316, https://leetcode.com/problems/minimum-depth-of-binary-tree
 371,Sum of Two Integers,50.7%,Medium,0.46902935876434837, https://leetcode.com/problems/sum-of-two-integers
 558,Logical OR of Two Binary Grids Represented as Quad-Trees,44.6%,Medium,0.46813621507094005, https://leetcode.com/problems/logical-or-of-two-binary-grids-represented-as-quad-trees
 844,Backspace String Compare,46.4%,Easy,0.46741819242485527, https://leetcode.com/problems/backspace-string-compare
 354,Russian Doll Envelopes,35.6%,Hard,0.4663991837410869, https://leetcode.com/problems/russian-doll-envelopes
 773,Sliding Puzzle,59.3%,Hard,0.4639613147897729, https://leetcode.com/problems/sliding-puzzle
 1161,Maximum Level Sum of a Binary Tree,72.2%,Medium,0.4628414913460726, https://leetcode.com/problems/maximum-level-sum-of-a-binary-tree
 413,Arithmetic Slices,57.9%,Medium,0.45994965206977856, https://leetcode.com/problems/arithmetic-slices
 515,Find Largest Value in Each Tree Row,61.1%,Medium,0.4594054982539122, https://leetcode.com/problems/find-largest-value-in-each-tree-row
 427,Construct Quad Tree,61.4%,Medium,0.45857493342211275, https://leetcode.com/problems/construct-quad-tree
 450,Delete Node in a BST,43.1%,Medium,0.44849234002437544, https://leetcode.com/problems/delete-node-in-a-bst
 100,Same Tree,53.4%,Easy,0.44698994480168297, https://leetcode.com/problems/same-tree
 468,Validate IP Address,24.1%,Medium,0.44558510189758965, https://leetcode.com/problems/validate-ip-address
 305,Number of Islands II,40.1%,Hard,0.44293784687708265, https://leetcode.com/problems/number-of-islands-ii
 1002,Find Common Characters,67.6%,Easy,0.4408703809219226, https://leetcode.com/problems/find-common-characters
 1172,Dinner Plate Stacks,38.2%,Hard,0.44059619962982216, https://leetcode.com/problems/dinner-plate-stacks
 1360,Number of Days Between Two Dates,48.8%,Easy,0.44059619962982216, https://leetcode.com/problems/number-of-days-between-two-dates
 1019,Next Greater Node In Linked List,57.4%,Medium,0.4355749095795348, https://leetcode.com/problems/next-greater-node-in-linked-list
 473,Matchsticks to Square,37.7%,Medium,0.42800127313057745, https://leetcode.com/problems/matchsticks-to-square
 727,Minimum Window Subsequence,41.8%,Hard,0.4254657748148339, https://leetcode.com/problems/minimum-window-subsequence
 183,Customers Who Never Order,53.4%,Easy,0.4236099358143671, https://leetcode.com/problems/customers-who-never-order
 1130,Minimum Cost Tree From Leaf Values,66.1%,Medium,0.4220078582401725, https://leetcode.com/problems/minimum-cost-tree-from-leaf-values
 683,K Empty Slots,35.6%,Hard,0.41948151008170015, https://leetcode.com/problems/k-empty-slots
 43,Multiply Strings,33.9%,Medium,0.41658056324552584, https://leetcode.com/problems/multiply-strings
 849,Maximize Distance to Closest Person,42.6%,Easy,0.414728332240037, https://leetcode.com/problems/maximize-distance-to-closest-person
 178,Rank Scores,45.8%,Medium,0.41347358083650193, https://leetcode.com/problems/rank-scores
 222,Count Complete Tree Nodes,46.8%,Medium,0.4108610156284672, https://leetcode.com/problems/count-complete-tree-nodes
 304,Range Sum Query 2D - Immutable,38.6%,Medium,0.40837971232824516, https://leetcode.com/problems/range-sum-query-2d-immutable
 1094,Car Pooling,56.7%,Medium,0.4068302960335043, https://leetcode.com/problems/car-pooling
 1066,Campus Bikes II,54.2%,Medium,0.40032370860774574, https://leetcode.com/problems/campus-bikes-ii
 416,Partition Equal Subset Sum,43.7%,Medium,0.3992663644674847, https://leetcode.com/problems/partition-equal-subset-sum
 1335,Minimum Difficulty of a Job Schedule,57.6%,Hard,0.3963047387095001, https://leetcode.com/problems/minimum-difficulty-of-a-job-schedule
 241,Different Ways to Add Parentheses,55.2%,Medium,0.3951916126129905, https://leetcode.com/problems/different-ways-to-add-parentheses
 145,Binary Tree Postorder Traversal,55.0%,Hard,0.39389551485438606, https://leetcode.com/problems/binary-tree-postorder-traversal
 1373,Maximum Sum BST in Binary Tree,40.2%,Hard,0.39318708633975535, https://leetcode.com/problems/maximum-sum-bst-in-binary-tree
 687,Longest Univalue Path,36.2%,Easy,0.3931020393744504, https://leetcode.com/problems/longest-univalue-path
 47,Permutations II,46.4%,Medium,0.38954315509757903, https://leetcode.com/problems/permutations-ii
 1188,Design Bounded Blocking Queue,70.5%,Medium,0.3828597229337993, https://leetcode.com/problems/design-bounded-blocking-queue
 237,Delete Node in a Linked List,63.8%,Easy,0.3822006606760044, https://leetcode.com/problems/delete-node-in-a-linked-list
 1074,Number of Submatrices That Sum to Target,60.4%,Hard,0.37929539037477966, https://leetcode.com/problems/number-of-submatrices-that-sum-to-target
 646,Maximum Length of Pair Chain,51.9%,Medium,0.378500746469809, https://leetcode.com/problems/maximum-length-of-pair-chain
 924,Minimize Malware Spread,42.0%,Hard,0.3764775712349121, https://leetcode.com/problems/minimize-malware-spread
 321,Create Maximum Number,27.0%,Hard,0.3764775712349121, https://leetcode.com/problems/create-maximum-number
 1084,Sales Analysis III,54.3%,Easy,0.37640587636823386, https://leetcode.com/problems/sales-analysis-iii
 567,Permutation in String,44.4%,Medium,0.3753991491719517, https://leetcode.com/problems/permutation-in-string
 307,Range Sum Query - Mutable,34.6%,Medium,0.3752202920857025, https://leetcode.com/problems/range-sum-query-mutable
 969,Pancake Sorting,67.5%,Medium,0.37351350830156205, https://leetcode.com/problems/pancake-sorting
 889,Construct Binary Tree from Preorder and Postorder Traversal,66.2%,Medium,0.3731218633879398, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal
 115,Distinct Subsequences,38.3%,Hard,0.3722680298677468, https://leetcode.com/problems/distinct-subsequences
 1081,Smallest Subsequence of Distinct Characters,50.4%,Medium,0.3663623820944218, https://leetcode.com/problems/smallest-subsequence-of-distinct-characters
 1143,Longest Common Subsequence,58.4%,Medium,0.3610805787559445, https://leetcode.com/problems/longest-common-subsequence
 214,Shortest Palindrome,29.8%,Hard,0.35493429946094834, https://leetcode.com/problems/shortest-palindrome
 345,Reverse Vowels of a String,44.2%,Easy,0.35407324785389366, https://leetcode.com/problems/reverse-vowels-of-a-string
 783,Minimum Distance Between BST Nodes,52.6%,Easy,0.35395059925228556, https://leetcode.com/problems/minimum-distance-between-bst-nodes
 264,Ugly Number II,42.0%,Medium,0.3507924879588455, https://leetcode.com/problems/ugly-number-ii
 180,Consecutive Numbers,39.7%,Medium,0.3460521052264211, https://leetcode.com/problems/consecutive-numbers
 618,Students Report By Geography,55.0%,Hard,0.34560472018448546, https://leetcode.com/problems/students-report-by-geography
 107,Binary Tree Level Order Traversal II,53.5%,Easy,0.3453169851749328, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
 905,Sort Array By Parity,74.1%,Easy,0.341971477151261, https://leetcode.com/problems/sort-array-by-parity
 860,Lemonade Change,51.6%,Easy,0.34144324934323333, https://leetcode.com/problems/lemonade-change
 581,Shortest Unsorted Continuous Subarray,31.1%,Easy,0.34097135874647316, https://leetcode.com/problems/shortest-unsorted-continuous-subarray
 334,Increasing Triplet Subsequence,40.0%,Medium,0.33981980987317617, https://leetcode.com/problems/increasing-triplet-subsequence
 390,Elimination Game,44.5%,Medium,0.33790695709687324, https://leetcode.com/problems/elimination-game
 579,Find Cumulative Salary of an Employee,37.0%,Hard,0.3371880562652357, https://leetcode.com/problems/find-cumulative-salary-of-an-employee
 262,Trips and Users,32.7%,Hard,0.3362391635517509, https://leetcode.com/problems/trips-and-users
 1405,Longest Happy String,49.0%,Medium,0.3360157198362929, https://leetcode.com/problems/longest-happy-string
 420,Strong Password Checker,14.0%,Hard,0.3319626461152379, https://leetcode.com/problems/strong-password-checker
 827,Making A Large Island,45.7%,Hard,0.32879599515977564, https://leetcode.com/problems/making-a-large-island
 1315,Sum of Nodes with Even-Valued Grandparent,83.5%,Medium,0.3281156420302715, https://leetcode.com/problems/sum-of-nodes-with-even-valued-grandparent
 1062,Longest Repeating Substring,57.2%,Medium,0.32609152056665214, https://leetcode.com/problems/longest-repeating-substring
 447,Number of Boomerangs,51.8%,Easy,0.3247560447092981, https://leetcode.com/problems/number-of-boomerangs
 532,K-diff Pairs in an Array,31.6%,Easy,0.32423966818557853, https://leetcode.com/problems/k-diff-pairs-in-an-array
 1311,Get Watched Videos by Your Friends,43.1%,Medium,0.320742934712669, https://leetcode.com/problems/get-watched-videos-by-your-friends
 290,Word Pattern,37.0%,Easy,0.31921312869964363, https://leetcode.com/problems/word-pattern
 876,Middle of the Linked List,68.4%,Easy,0.31848852159290625, https://leetcode.com/problems/middle-of-the-linked-list
 710,Random Pick with Blacklist,32.5%,Hard,0.3161972427598021, https://leetcode.com/problems/random-pick-with-blacklist
 918,Maximum Sum Circular Subarray,33.7%,Medium,0.31591744682247913, https://leetcode.com/problems/maximum-sum-circular-subarray
 191,Number of 1 Bits,49.8%,Easy,0.31300105238363085, https://leetcode.com/problems/number-of-1-bits
 873,Length of Longest Fibonacci Subsequence,48.0%,Medium,0.31191034127655376, https://leetcode.com/problems/length-of-longest-fibonacci-subsequence
 586,Customer Placing the Largest Number of Orders,73.0%,Easy,0.31151852060629215, https://leetcode.com/problems/customer-placing-the-largest-number-of-orders
 383,Ransom Note,53.1%,Easy,0.3074846997479606, https://leetcode.com/problems/ransom-note
 174,Dungeon Game,32.3%,Hard,0.3059581624329951, https://leetcode.com/problems/dungeon-game
 657,Robot Return to Origin,73.5%,Easy,0.30573014232348383, https://leetcode.com/problems/robot-return-to-origin
 841,Keys and Rooms,64.3%,Medium,0.29751446360416467, https://leetcode.com/problems/keys-and-rooms
 1244,Design A Leaderboard,60.7%,Medium,0.29681946470121906, https://leetcode.com/problems/design-a-leaderboard
 938,Range Sum of BST,81.3%,Easy,0.29622071217852625, https://leetcode.com/problems/range-sum-of-bst
 95,Unique Binary Search Trees II,40.6%,Medium,0.2958298345782864, https://leetcode.com/problems/unique-binary-search-trees-ii
 203,Remove Linked List Elements,38.6%,Easy,0.2939088371982251, https://leetcode.com/problems/remove-linked-list-elements
 359,Logger Rate Limiter,70.8%,Easy,0.2929871246814741, https://leetcode.com/problems/logger-rate-limiter
 919,Complete Binary Tree Inserter,57.3%,Medium,0.2914344220703314, https://leetcode.com/problems/complete-binary-tree-inserter
 796,Rotate String,49.6%,Easy,0.28922092887241174, https://leetcode.com/problems/rotate-string
 559,Maximum Depth of N-ary Tree,68.7%,Easy,0.28802684059861955, https://leetcode.com/problems/maximum-depth-of-n-ary-tree
 158,Read N Characters Given Read4 II - Call multiple times,33.8%,Hard,0.2815251347893198, https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
 1104,Path In Zigzag Labelled Binary Tree,72.0%,Medium,0.2805718342692762, https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree
 382,Linked List Random Node,52.1%,Medium,0.2802157173642045, https://leetcode.com/problems/linked-list-random-node
 732,My Calendar III,60.0%,Hard,0.27958486221916157, https://leetcode.com/problems/my-calendar-iii
 1007,Minimum Domino Rotations For Equal Row,50.0%,Medium,0.27549355590928376, https://leetcode.com/problems/minimum-domino-rotations-for-equal-row
 244,Shortest Word Distance II,52.3%,Medium,0.2752286113804943, https://leetcode.com/problems/shortest-word-distance-ii
 77,Combinations,54.7%,Medium,0.2744115848838137, https://leetcode.com/problems/combinations
 414,Third Maximum Number,30.5%,Easy,0.2737911401418798, https://leetcode.com/problems/third-maximum-number
 1108,Defanging an IP Address,87.5%,Easy,0.27075020558154145, https://leetcode.com/problems/defanging-an-ip-address
 1013,Partition Array Into Three Parts With Equal Sum,51.8%,Easy,0.26329061932762177, https://leetcode.com/problems/partition-array-into-three-parts-with-equal-sum
 119,Pascal's Triangle II,49.0%,Easy,0.26169674611472327, https://leetcode.com/problems/pascals-triangle-ii
 1139,Largest 1-Bordered Square,47.5%,Medium,0.26159729523649006, https://leetcode.com/problems/largest-1-bordered-square
 746,Min Cost Climbing Stairs,50.3%,Easy,0.2611871459932078, https://leetcode.com/problems/min-cost-climbing-stairs
 453,Minimum Moves to Equal Array Elements,50.2%,Easy,0.2605310833858301, https://leetcode.com/problems/minimum-moves-to-equal-array-elements
 466,Count The Repetitions,28.2%,Hard,0.2561688067457042, https://leetcode.com/problems/count-the-repetitions
 570,Managers with at Least 5 Direct Reports,66.0%,Medium,0.2553466918088445, https://leetcode.com/problems/managers-with-at-least-5-direct-reports
 609,Find Duplicate File in System,59.5%,Medium,0.25388017696233983, https://leetcode.com/problems/find-duplicate-file-in-system
 762,Prime Number of Set Bits in Binary Representation,63.2%,Easy,0.24779329788232723, https://leetcode.com/problems/prime-number-of-set-bits-in-binary-representation
 368,Largest Divisible Subset,38.0%,Medium,0.24478743843120496, https://leetcode.com/problems/largest-divisible-subset
 881,Boats to Save People,46.8%,Medium,0.24320527953164725, https://leetcode.com/problems/boats-to-save-people
 452,Minimum Number of Arrows to Burst Balloons,49.6%,Medium,0.23843368813228313, https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons
 731,My Calendar II,49.1%,Medium,0.2363887780642304, https://leetcode.com/problems/my-calendar-ii
 1047,Remove All Adjacent Duplicates In String,68.6%,Easy,0.2360081947291865, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string
 779,K-th Symbol in Grammar,37.2%,Medium,0.23530220106260638, https://leetcode.com/problems/k-th-symbol-in-grammar
 1270,All People Report to the Given Manager,87.1%,Medium,0.23499359123170555, https://leetcode.com/problems/all-people-report-to-the-given-manager
 507,Perfect Number,35.5%,Easy,0.2349381278070467, https://leetcode.com/problems/perfect-number
 35,Search Insert Position,42.6%,Easy,0.23269259712738788, https://leetcode.com/problems/search-insert-position
 397,Integer Replacement,32.9%,Medium,0.2322522675124501, https://leetcode.com/problems/integer-replacement
 811,Subdomain Visit Count,69.9%,Easy,0.22553001977328802, https://leetcode.com/problems/subdomain-visit-count
 311,Sparse Matrix Multiplication,61.9%,Medium,0.22538822116803361, https://leetcode.com/problems/sparse-matrix-multiplication
 939,Minimum Area Rectangle,51.8%,Medium,0.2169226914391073, https://leetcode.com/problems/minimum-area-rectangle
 435,Non-overlapping Intervals,42.9%,Medium,0.21564992524002305, https://leetcode.com/problems/non-overlapping-intervals
 669,Trim a Binary Search Tree,63.0%,Easy,0.21245865121419338, https://leetcode.com/problems/trim-a-binary-search-tree
 626,Exchange Seats,62.3%,Medium,0.21032769554231237, https://leetcode.com/problems/exchange-seats
 741,Cherry Pickup,33.9%,Hard,0.20909179785855941, https://leetcode.com/problems/cherry-pickup
 862,Shortest Subarray with Sum at Least K,24.6%,Hard,0.20824207700141184, https://leetcode.com/problems/shortest-subarray-with-sum-at-least-k
 1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.20778369616335468, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
 1202,Smallest String With Swaps,46.5%,Medium,0.2071597101203954, https://leetcode.com/problems/smallest-string-with-swaps
 604,Design Compressed String Iterator,37.5%,Easy,0.20585205420414873, https://leetcode.com/problems/design-compressed-string-iterator
 1008,Construct Binary Search Tree from Preorder Traversal,78.4%,Medium,0.2053974398608136, https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal
 1254,Number of Closed Islands,60.5%,Medium,0.20312468442371787, https://leetcode.com/problems/number-of-closed-islands
 1375,Bulb Switcher III,62.6%,Medium,0.19622624370172712, https://leetcode.com/problems/bulb-switcher-iii
 1060,Missing Element in Sorted Array,54.5%,Medium,0.1950605825713844, https://leetcode.com/problems/missing-element-in-sorted-array
 601,Human Traffic of Stadium,41.7%,Hard,0.19431370583921848, https://leetcode.com/problems/human-traffic-of-stadium
 1198,Find Smallest Common Element in All Rows,74.9%,Medium,0.19105523676270922, https://leetcode.com/problems/find-smallest-common-element-in-all-rows
 756,Pyramid Transition Matrix,54.6%,Medium,0.19105523676270922, https://leetcode.com/problems/pyramid-transition-matrix
 358,Rearrange String k Distance Apart,34.9%,Hard,0.19004360288786493, https://leetcode.com/problems/rearrange-string-k-distance-apart
 995,Minimum Number of K Consecutive Bit Flips,46.8%,Hard,0.19004360288786493, https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips
 864,Shortest Path to Get All Keys,40.1%,Hard,0.18924199963852842, https://leetcode.com/problems/shortest-path-to-get-all-keys
 549,Binary Tree Longest Consecutive Sequence II,47.0%,Medium,0.1884471502206373, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence-ii
 900,RLE Iterator,53.5%,Medium,0.1884471502206373, https://leetcode.com/problems/rle-iterator
 681,Next Closest Time,45.0%,Medium,0.18812615225992188, https://leetcode.com/problems/next-closest-time
 684,Redundant Connection,57.4%,Medium,0.18726735344577217, https://leetcode.com/problems/redundant-connection
 219,Contains Duplicate II,37.7%,Easy,0.18696862869341266, https://leetcode.com/problems/contains-duplicate-ii
 792,Number of Matching Subsequences,47.4%,Medium,0.18571714579509285, https://leetcode.com/problems/number-of-matching-subsequences
 852,Peak Index in a Mountain Array,71.6%,Easy,0.18496356625679328, https://leetcode.com/problems/peak-index-in-a-mountain-array
 536,Construct Binary Tree from String,48.3%,Medium,0.18195193934380316, https://leetcode.com/problems/construct-binary-tree-from-string
 1153,String Transforms Into Another String,35.8%,Hard,0.1816986978513639, https://leetcode.com/problems/string-transforms-into-another-string
 1245,Tree Diameter,60.1%,Medium,0.17869178874337593, https://leetcode.com/problems/tree-diameter
 871,Minimum Number of Refueling Stops,31.4%,Hard,0.1769307081590782, https://leetcode.com/problems/minimum-number-of-refueling-stops
 486,Predict the Winner,47.9%,Medium,0.17647417648741714, https://leetcode.com/problems/predict-the-winner
 1027,Longest Arithmetic Sequence,53.4%,Medium,0.17589066646366422, https://leetcode.com/problems/longest-arithmetic-sequence
 977,Squares of a Sorted Array,72.1%,Easy,0.17482111400082578, https://leetcode.com/problems/squares-of-a-sorted-array
 523,Continuous Subarray Sum,24.6%,Medium,0.1741156174236314, https://leetcode.com/problems/continuous-subarray-sum
 670,Maximum Swap,43.6%,Medium,0.1735948056557174, https://leetcode.com/problems/maximum-swap
 1248,Count Number of Nice Subarrays,56.4%,Medium,0.17228309044709728, https://leetcode.com/problems/count-number-of-nice-subarrays
 561,Array Partition I,72.0%,Easy,0.1718099871189421, https://leetcode.com/problems/array-partition-i
 856,Score of Parentheses,60.5%,Medium,0.17135825199668508, https://leetcode.com/problems/score-of-parentheses
 707,Design Linked List,24.5%,Medium,0.1704321711045546, https://leetcode.com/problems/design-linked-list
 1162,As Far from Land as Possible,43.5%,Medium,0.16935823314801637, https://leetcode.com/problems/as-far-from-land-as-possible
 1430,Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree,44.8%,Medium,0.16917873135476025, https://leetcode.com/problems/check-if-a-string-is-a-valid-sequence-from-root-to-leaves-path-in-a-binary-tree
 1026,Maximum Difference Between Node and Ancestor,66.0%,Medium,0.16783472482771206, https://leetcode.com/problems/maximum-difference-between-node-and-ancestor
 963,Minimum Area Rectangle II,50.9%,Medium,0.16635770580494058, https://leetcode.com/problems/minimum-area-rectangle-ii
 493,Reverse Pairs,25.2%,Hard,0.16229864091884685, https://leetcode.com/problems/reverse-pairs
 1048,Longest String Chain,54.7%,Medium,0.1620789500230524, https://leetcode.com/problems/longest-string-chain
 338,Counting Bits,69.5%,Medium,0.16135546223447686, https://leetcode.com/problems/counting-bits
 720,Longest Word in Dictionary,48.2%,Easy,0.16082720489992372, https://leetcode.com/problems/longest-word-in-dictionary
 404,Sum of Left Leaves,50.9%,Easy,0.15911645633949173, https://leetcode.com/problems/sum-of-left-leaves
 724,Find Pivot Index,44.0%,Easy,0.15773063591797515, https://leetcode.com/problems/find-pivot-index
 539,Minimum Time Difference,51.5%,Medium,0.1560250946216086, https://leetcode.com/problems/minimum-time-difference
 979,Distribute Coins in Binary Tree,68.9%,Medium,0.15348688956060175, https://leetcode.com/problems/distribute-coins-in-binary-tree
 1242,Web Crawler Multithreaded,45.9%,Medium,0.14953173397096375, https://leetcode.com/problems/web-crawler-multithreaded
 1395,Count Number of Teams,82.0%,Medium,0.14944218199941725, https://leetcode.com/problems/count-number-of-teams
 951,Flip Equivalent Binary Trees,65.8%,Medium,0.14837588033337445, https://leetcode.com/problems/flip-equivalent-binary-trees
 942,DI String Match,72.6%,Easy,0.14637953510237162, https://leetcode.com/problems/di-string-match
 213,House Robber II,36.5%,Medium,0.14496687187568924, https://leetcode.com/problems/house-robber-ii
 714,Best Time to Buy and Sell Stock with Transaction Fee,54.7%,Medium,0.14277339081142018, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee
 376,Wiggle Subsequence,39.6%,Medium,0.13923405573670475, https://leetcode.com/problems/wiggle-subsequence
 673,Number of Longest Increasing Subsequence,35.7%,Medium,0.13850969523609932, https://leetcode.com/problems/number-of-longest-increasing-subsequence
 1005,Maximize Sum Of Array After K Negations,51.3%,Easy,0.13804422079620546, https://leetcode.com/problems/maximize-sum-of-array-after-k-negations
 855,Exam Room,43.1%,Medium,0.13804422079620546, https://leetcode.com/problems/exam-room
 702,Search in a Sorted Array of Unknown Size,66.9%,Medium,0.13783247452391326, https://leetcode.com/problems/search-in-a-sorted-array-of-unknown-size
 429,N-ary Tree Level Order Traversal,65.0%,Medium,0.13727657783562877, https://leetcode.com/problems/n-ary-tree-level-order-traversal
 392,Is Subsequence,49.2%,Easy,0.13635210822080704, https://leetcode.com/problems/is-subsequence
 1479,Sales by Day of the Week,83.4%,Hard,0.1348842676899421, https://leetcode.com/problems/sales-by-day-of-the-week
 1160,Find Words That Can Be Formed by Characters,67.4%,Easy,0.13367440299301808, https://leetcode.com/problems/find-words-that-can-be-formed-by-characters
 309,Best Time to Buy and Sell Stock with Cooldown,47.4%,Medium,0.1308880619194785, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown
 958,Check Completeness of a Binary Tree,52.1%,Medium,0.12884496089089562, https://leetcode.com/problems/check-completeness-of-a-binary-tree
 974,Subarray Sums Divisible by K,48.9%,Medium,0.12838116664820678, https://leetcode.com/problems/subarray-sums-divisible-by-k
 1117,Building H2O,52.6%,Medium,0.12796988096337653, https://leetcode.com/problems/building-h2o
 1059,All Paths from Source Lead to Destination,44.7%,Medium,0.12675170563914387, https://leetcode.com/problems/all-paths-from-source-lead-to-destination
 475,Heaters,33.1%,Easy,0.12639521210572593, https://leetcode.com/problems/heaters
 1233,Remove Sub-Folders from the Filesystem,59.5%,Medium,0.12412606741381713, https://leetcode.com/problems/remove-sub-folders-from-the-filesystem
 621,Task Scheduler,50.1%,Medium,0.12387972474581618, https://leetcode.com/problems/task-scheduler
 890,Find and Replace Pattern,73.4%,Medium,0.12361395596717664, https://leetcode.com/problems/find-and-replace-pattern
 912,Sort an Array,63.9%,Medium,0.12293768624504794, https://leetcode.com/problems/sort-an-array
 654,Maximum Binary Tree,79.9%,Medium,0.1223420071097352, https://leetcode.com/problems/maximum-binary-tree
 1114,Print in Order,65.7%,Easy,0.12136085700426744, https://leetcode.com/problems/print-in-order
 784,Letter Case Permutation,64.6%,Medium,0.12039533767007705, https://leetcode.com/problems/letter-case-permutation
 839,Similar String Groups,38.6%,Hard,0.11934675763256619, https://leetcode.com/problems/similar-string-groups
 904,Fruit Into Baskets,42.5%,Medium,0.11884814773398159, https://leetcode.com/problems/fruit-into-baskets
 1299,Replace Elements with Greatest Element on Right Side,75.4%,Easy,0.11806716692694107, https://leetcode.com/problems/replace-elements-with-greatest-element-on-right-side
 1179,Reformat Department Table,80.6%,Easy,0.11735060321721236, https://leetcode.com/problems/reformat-department-table
 144,Binary Tree Preorder Traversal,55.7%,Medium,0.11676314775563798, https://leetcode.com/problems/binary-tree-preorder-traversal
 679,24 Game,46.4%,Hard,0.11641035184441127, https://leetcode.com/problems/24-game
 67,Add Binary,45.2%,Easy,0.11349055756044761, https://leetcode.com/problems/add-binary
 671,Second Minimum Node In a Binary Tree,42.7%,Easy,0.11343592966337171, https://leetcode.com/problems/second-minimum-node-in-a-binary-tree
 1068,Product Sales Analysis I,83.1%,Easy,0.11247798342669027, https://leetcode.com/problems/product-sales-analysis-i
 842,Split Array into Fibonacci Sequence,36.3%,Medium,0.1118483001365689, https://leetcode.com/problems/split-array-into-fibonacci-sequence
 196,Delete Duplicate Emails,41.1%,Easy,0.111723209445655, https://leetcode.com/problems/delete-duplicate-emails
 742,Closest Leaf in a Binary Tree,43.6%,Medium,0.11060987154397002, https://leetcode.com/problems/closest-leaf-in-a-binary-tree
 966,Vowel Spellchecker,47.2%,Medium,0.10676797542570607, https://leetcode.com/problems/vowel-spellchecker
 249,Group Shifted Strings,55.1%,Medium,0.10612998860684858, https://leetcode.com/problems/group-shifted-strings
 172,Factorial Trailing Zeroes,37.8%,Easy,0.10582552380384787, https://leetcode.com/problems/factorial-trailing-zeroes
 1266,Minimum Time Visiting All Points,79.6%,Easy,0.10382761269697846, https://leetcode.com/problems/minimum-time-visiting-all-points
 396,Rotate Function,36.3%,Medium,0.10345133738802471, https://leetcode.com/problems/rotate-function
 267,Palindrome Permutation II,36.4%,Medium,0.10345133738802471, https://leetcode.com/problems/palindrome-permutation-ii
 485,Max Consecutive Ones,54.6%,Easy,0.10247866928293739, https://leetcode.com/problems/max-consecutive-ones
 27,Remove Element,48.2%,Easy,0.1022417784451716, https://leetcode.com/problems/remove-element
 1110,Delete Nodes And Return Forest,67.0%,Medium,0.09952518917751453, https://leetcode.com/problems/delete-nodes-and-return-forest
 661,Image Smoother,51.5%,Easy,0.09933718986563198, https://leetcode.com/problems/image-smoother
 1023,Camelcase Matching,57.0%,Medium,0.09860197680453955, https://leetcode.com/problems/camelcase-matching
 461,Hamming Distance,72.8%,Easy,0.09762873497741681, https://leetcode.com/problems/hamming-distance
 752,Open the Lock,51.8%,Medium,0.09491410658218381, https://leetcode.com/problems/open-the-lock
 605,Can Place Flowers,31.6%,Easy,0.09485779345867706, https://leetcode.com/problems/can-place-flowers
 826,Most Profit Assigning Work,38.5%,Medium,0.09287412500644375, https://leetcode.com/problems/most-profit-assigning-work
 367,Valid Perfect Square,41.7%,Easy,0.09021620582372886, https://leetcode.com/problems/valid-perfect-square
 791,Custom Sort String,65.7%,Medium,0.0900495525024912, https://leetcode.com/problems/custom-sort-string
 216,Combination Sum III,56.6%,Medium,0.08753534870714555, https://leetcode.com/problems/combination-sum-iii
 1247,Minimum Swaps to Make Strings Equal,60.1%,Medium,0.08626034428440695, https://leetcode.com/problems/minimum-swaps-to-make-strings-equal
 916,Word Subsets,47.8%,Medium,0.08479653666007693, https://leetcode.com/problems/word-subsets
 582,Kill Process,60.8%,Medium,0.08355588569097351, https://leetcode.com/problems/kill-process
 921,Minimum Add to Make Parentheses Valid,73.7%,Medium,0.08307836859709818, https://leetcode.com/problems/minimum-add-to-make-parentheses-valid
 459,Repeated Substring Pattern,42.2%,Easy,0.08299213342780958, https://leetcode.com/problems/repeated-substring-pattern
 278,First Bad Version,35.7%,Easy,0.08295984140240989, https://leetcode.com/problems/first-bad-version
 884,Uncommon Words from Two Sentences,63.3%,Easy,0.07990051073053109, https://leetcode.com/problems/uncommon-words-from-two-sentences
 875,Koko Eating Bananas,52.1%,Medium,0.07919704166119315, https://leetcode.com/problems/koko-eating-bananas
 705,Design HashSet,64.3%,Easy,0.07497265011507567, https://leetcode.com/problems/design-hashset
 674,Longest Continuous Increasing Subsequence,45.9%,Easy,0.07393666594345284, https://leetcode.com/problems/longest-continuous-increasing-subsequence
 1082,Sales Analysis I,71.8%,Easy,0.07145896398214495, https://leetcode.com/problems/sales-analysis-i
 260,Single Number III,64.3%,Medium,0.0705621783378718, https://leetcode.com/problems/single-number-iii
 1146,Snapshot Array,37.0%,Medium,0.07017687679183775, https://leetcode.com/problems/snapshot-array
 953,Verifying an Alien Dictionary,54.1%,Easy,0.06882134150506931, https://leetcode.com/problems/verifying-an-alien-dictionary
 814,Binary Tree Pruning,74.5%,Medium,0.06872933215218067, https://leetcode.com/problems/binary-tree-pruning
 1337,The K Weakest Rows in a Matrix,68.8%,Easy,0.06857217312147021, https://leetcode.com/problems/the-k-weakest-rows-in-a-matrix
 1495,Friendly Movies Streamed Last Month,52.6%,Easy,0.06851994643675606, https://leetcode.com/problems/friendly-movies-streamed-last-month
 872,Leaf-Similar Trees,64.5%,Easy,0.06831507518298836, https://leetcode.com/problems/leaf-similar-trees
 584,Find Customer Referee,72.3%,Easy,0.06592172080482424, https://leetcode.com/problems/find-customer-referee
 1332,Remove Palindromic Subsequences,60.1%,Easy,0.06581321856957176, https://leetcode.com/problems/remove-palindromic-subsequences
 1029,Two City Scheduling,56.1%,Easy,0.06371581438610768, https://leetcode.com/problems/two-city-scheduling
 1251,Average Selling Price,81.6%,Easy,0.06222847139840936, https://leetcode.com/problems/average-selling-price
 801,Minimum Swaps To Make Sequences Increasing,38.9%,Medium,0.06146327443046864, https://leetcode.com/problems/minimum-swaps-to-make-sequences-increasing
 1069,Product Sales Analysis II,82.9%,Easy,0.06080900459560568, https://leetcode.com/problems/product-sales-analysis-ii
 931,Minimum Falling Path Sum,62.5%,Medium,0.05914995982464103, https://leetcode.com/problems/minimum-falling-path-sum
 52,N-Queens II,57.9%,Hard,0.058155920157074034, https://leetcode.com/problems/n-queens-ii
 80,Remove Duplicates from Sorted Array II,44.0%,Medium,0.05798725765034936, https://leetcode.com/problems/remove-duplicates-from-sorted-array-ii
 922,Sort Array By Parity II,69.3%,Easy,0.057671328304390014, https://leetcode.com/problems/sort-array-by-parity-ii
 1221,Split a String in Balanced Strings,83.3%,Easy,0.05362640133807673, https://leetcode.com/problems/split-a-string-in-balanced-strings
 1303,Find the Team Size,87.8%,Easy,0.05155780966485001, https://leetcode.com/problems/find-the-team-size
 1339,Maximum Product of Splitted Binary Tree,37.2%,Medium,0.05064373281875492, https://leetcode.com/problems/maximum-product-of-splitted-binary-tree
 1128,Number of Equivalent Domino Pairs,47.3%,Easy,0.04951506452738057, https://leetcode.com/problems/number-of-equivalent-domino-pairs
 1267,Count Servers that Communicate,57.9%,Medium,0.04902942724031861, https://leetcode.com/problems/count-servers-that-communicate
 1051,Height Checker,71.1%,Easy,0.04510347333459475, https://leetcode.com/problems/height-checker
 1382,Balance a Binary Search Tree,74.8%,Medium,0.04480032475536626, https://leetcode.com/problems/balance-a-binary-search-tree
 1456,Maximum Number of Vowels in a Substring of Given Length,52.4%,Medium,0.04220035449037644, https://leetcode.com/problems/maximum-number-of-vowels-in-a-substring-of-given-length
 704,Binary Search,52.1%,Easy,0.04172704422666836, https://leetcode.com/problems/binary-search
 965,Univalued Binary Tree,67.7%,Easy,0.04151887834779356, https://leetcode.com/problems/univalued-binary-tree
 590,N-ary Tree Postorder Traversal,72.1%,Easy,0.040454954692313666, https://leetcode.com/problems/n-ary-tree-postorder-traversal
 1049,Last Stone Weight II,44.2%,Medium,0.03902934390573525, https://leetcode.com/problems/last-stone-weight-ii
 797,All Paths From Source to Target,77.9%,Medium,0.03881156536434583, https://leetcode.com/problems/all-paths-from-source-to-target
 1511,Customer Order Frequency,76.8%,Easy,0.0383924310382344, https://leetcode.com/problems/customer-order-frequency
 606,Construct String from Binary Tree,54.1%,Easy,0.03711000965123125, https://leetcode.com/problems/construct-string-from-binary-tree
 190,Reverse Bits,39.8%,Easy,0.03645276030534425, https://leetcode.com/problems/reverse-bits
 1304,Find N Unique Integers Sum up to Zero,76.3%,Easy,0.035408891906255915, https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
 1325,Delete Leaves With a Given Value,73.0%,Medium,0.03478611608541555, https://leetcode.com/problems/delete-leaves-with-a-given-value
 1344,Angle Between Hands of a Clock,61.4%,Medium,0.030822048819935596, https://leetcode.com/problems/angle-between-hands-of-a-clock
 501,Find Mode in Binary Search Tree,42.4%,Easy,0.029808466297826082, https://leetcode.com/problems/find-mode-in-binary-search-tree
 303,Range Sum Query - Immutable,44.7%,Easy,0.029549096691749193, https://leetcode.com/problems/range-sum-query-immutable
 665,Non-decreasing Array,19.5%,Easy,0.029053044062689753, https://leetcode.com/problems/non-decreasing-array
 1520,Maximum Number of Non-Overlapping Substrings,32.8%,Hard,0.021485667755491482, https://leetcode.com/problems/maximum-number-of-non-overlapping-substrings
 154,Find Minimum in Rotated Sorted Array II,41.6%,Hard,0.01898490812303644, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
 389,Find the Difference,55.3%,Easy,0.016978336534417868, https://leetcode.com/problems/find-the-difference
 1365,How Many Numbers Are Smaller Than the Current Number,85.6%,Easy,0.015926721367078105, https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number
 1351,Count Negative Numbers in a Sorted Matrix,76.5%,Easy,0.013016779950191773, https://leetcode.com/problems/count-negative-numbers-in-a-sorted-matrix
 1431,Kids With the Greatest Number of Candies,88.9%,Easy,0.005927699633275225, https://leetcode.com/problems/kids-with-the-greatest-number-of-candies
 663,Equal Tree Partition,39.5%,Medium,0, https://leetcode.com/problems/equal-tree-partition
 537,Complex Number Multiplication,67.4%,Medium,0, https://leetcode.com/problems/complex-number-multiplication
 553,Optimal Division,56.8%,Medium,0, https://leetcode.com/problems/optimal-division
 645,Set Mismatch,42.1%,Easy,0, https://leetcode.com/problems/set-mismatch
 738,Monotone Increasing Digits,44.3%,Medium,0, https://leetcode.com/problems/monotone-increasing-digits
 776,Split BST,55.8%,Medium,0, https://leetcode.com/problems/split-bst
 851,Loud and Rich,51.6%,Medium,0, https://leetcode.com/problems/loud-and-rich
 899,Orderly Queue,52.2%,Hard,0, https://leetcode.com/problems/orderly-queue
 902,Numbers At Most N Given Digit Set,31.5%,Hard,0, https://leetcode.com/problems/numbers-at-most-n-given-digit-set
 1067,Digit Count in Range,40.0%,Hard,0, https://leetcode.com/problems/digit-count-in-range
 1065,Index Pairs of a String,60.7%,Easy,0, https://leetcode.com/problems/index-pairs-of-a-string
 1085,Sum of Digits in the Minimum Number,74.6%,Easy,0, https://leetcode.com/problems/sum-of-digits-in-the-minimum-number
 1118,Number of Days in a Month,57.4%,Easy,0, https://leetcode.com/problems/number-of-days-in-a-month
 1119,Remove Vowels from a String,89.9%,Easy,0, https://leetcode.com/problems/remove-vowels-from-a-string
 1134,Armstrong Number,78.2%,Easy,0, https://leetcode.com/problems/armstrong-number
 1028,Recover a Tree From Preorder Traversal,69.9%,Hard,0, https://leetcode.com/problems/recover-a-tree-from-preorder-traversal
 1133,Largest Unique Number,66.8%,Easy,0, https://leetcode.com/problems/largest-unique-number
 1035,Uncrossed Lines,56.1%,Medium,0, https://leetcode.com/problems/uncrossed-lines
 1045,Customers Who Bought All Products,67.7%,Medium,0, https://leetcode.com/problems/customers-who-bought-all-products
 1050,Actors and Directors Who Cooperated At Least Three Times,71.7%,Easy,0, https://leetcode.com/problems/actors-and-directors-who-cooperated-at-least-three-times
 1054,Distant Barcodes,43.2%,Medium,0, https://leetcode.com/problems/distant-barcodes
 1070,Product Sales Analysis III,48.9%,Medium,0, https://leetcode.com/problems/product-sales-analysis-iii
 1080,Insufficient Nodes in Root to Leaf Paths,49.3%,Medium,0, https://leetcode.com/problems/insufficient-nodes-in-root-to-leaf-paths
 1259,Handshakes That Don't Cross,53.5%,Hard,0, https://leetcode.com/problems/handshakes-that-dont-cross
 1288,Remove Covered Intervals,57.9%,Medium,0, https://leetcode.com/problems/remove-covered-intervals
 1129,Shortest Path with Alternating Colors,38.9%,Medium,0, https://leetcode.com/problems/shortest-path-with-alternating-colors
 1362,Closest Divisors,56.8%,Medium,0, https://leetcode.com/problems/closest-divisors
 1363,Largest Multiple of Three,33.5%,Hard,0, https://leetcode.com/problems/largest-multiple-of-three
 1175,Prime Arrangements,51.0%,Easy,0, https://leetcode.com/problems/prime-arrangements
 1176,Diet Plan Performance,53.8%,Easy,0, https://leetcode.com/problems/diet-plan-performance
 1255,Maximum Score Words Formed by Letters,69.4%,Hard,0, https://leetcode.com/problems/maximum-score-words-formed-by-letters
 1260,Shift 2D Grid,61.4%,Easy,0, https://leetcode.com/problems/shift-2d-grid
 1305,All Elements in Two Binary Search Trees,76.1%,Medium,0, https://leetcode.com/problems/all-elements-in-two-binary-search-trees
 1327,List the Products Ordered in a Period,76.4%,Easy,0, https://leetcode.com/problems/list-the-products-ordered-in-a-period
 1350,Students With Invalid Departments,89.5%,Easy,0, https://leetcode.com/problems/students-with-invalid-departments
 1404,Number of Steps to Reduce a Number in Binary Representation to One,50.4%,Medium,0, https://leetcode.com/problems/number-of-steps-to-reduce-a-number-in-binary-representation-to-one
 1408,String Matching in an Array,61.4%,Easy,0, https://leetcode.com/problems/string-matching-in-an-array
 1409,Queries on a Permutation With Key,81.7%,Medium,0, https://leetcode.com/problems/queries-on-a-permutation-with-key
 1421,NPV Queries,80.6%,Medium,0, https://leetcode.com/problems/npv-queries
 1457,Pseudo-Palindromic Paths in a Binary Tree,67.3%,Medium,0, https://leetcode.com/problems/pseudo-palindromic-paths-in-a-binary-tree
 1489,Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree,50.6%,Hard,0, https://leetcode.com/problems/find-critical-and-pseudo-critical-edges-in-minimum-spanning-tree
 1496,Path Crossing,55.9%,Easy,0, https://leetcode.com/problems/path-crossing
 1485,Clone Binary Tree With Random Pointer,81.0%,Medium,0, https://leetcode.com/problems/clone-binary-tree-with-random-pointer
 1502,Can Make Arithmetic Progression From Sequence,73.3%,Easy,0, https://leetcode.com/problems/can-make-arithmetic-progression-from-sequence
 1490,Clone N-ary Tree,84.5%,Medium,0, https://leetcode.com/problems/clone-n-ary-tree
 1533,Find the Index of the Large Integer,57.1%,Medium,0, https://leetcode.com/problems/find-the-index-of-the-large-integer
--- a/american-express_alltime.csv
+++ b/american-express_alltime.csv
@@ -0,0 +1,3 @@
 1201,Ugly Number III,25.9%,Medium,0.2586674025861649, https://leetcode.com/problems/ugly-number-iii
 1224,Maximum Equal Frequency,33.5%,Hard,0, https://leetcode.com/problems/maximum-equal-frequency
 1521,Find a Value of a Mysterious Function Closest to Target,43.2%,Hard,0, https://leetcode.com/problems/find-a-value-of-a-mysterious-function-closest-to-target
--- a/appdynamics_1year.csv
+++ b/appdynamics_1year.csv
@@ -0,0 +1,3 @@
 346,Moving Average from Data Stream,70.9%,Easy,0.019707237852649603, https://leetcode.com/problems/moving-average-from-data-stream
 221,Maximal Square,37.7%,Medium,0.00988638798855515, https://leetcode.com/problems/maximal-square
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.009820849864094454, https://leetcode.com/problems/insert-delete-getrandom-o1
--- a/appdynamics_2year.csv
+++ b/appdynamics_2year.csv
@@ -0,0 +1,7 @@
 346,Moving Average from Data Stream,70.9%,Easy,0.02398572412300405, https://leetcode.com/problems/moving-average-from-data-stream
 394,Decode String,50.0%,Medium,0.0169360560557796, https://leetcode.com/problems/decode-string
 221,Maximal Square,37.7%,Medium,0.00988638798855515, https://leetcode.com/problems/maximal-square
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.009820849864094454, https://leetcode.com/problems/insert-delete-getrandom-o1
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.005531752454833179, https://leetcode.com/problems/binary-tree-maximum-path-sum
 200,Number of Islands,46.8%,Medium,0.0028897578265903614, https://leetcode.com/problems/number-of-islands
 5,Longest Palindromic Substring,29.5%,Medium,0.002279333142507479, https://leetcode.com/problems/longest-palindromic-substring
--- a/appdynamics_6months.csv
+++ b/appdynamics_6months.csv
@@ -0,0 +1,2 @@
 346,Moving Average from Data Stream,70.9%,Easy,0.015694908538438895, https://leetcode.com/problems/moving-average-from-data-stream
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.007847454269219447, https://leetcode.com/problems/insert-delete-getrandom-o1
--- a/appdynamics_alltime.csv
+++ b/appdynamics_alltime.csv
@@ -0,0 +1,8 @@
 394,Decode String,50.0%,Medium,0.06713782998723788, https://leetcode.com/problems/decode-string
 346,Moving Average from Data Stream,70.9%,Easy,0.03932354620391436, https://leetcode.com/problems/moving-average-from-data-stream
 200,Number of Islands,46.8%,Medium,0.011509262420590827, https://leetcode.com/problems/number-of-islands
 221,Maximal Square,37.7%,Medium,0.00988638798855515, https://leetcode.com/problems/maximal-square
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.009820849864094454, https://leetcode.com/problems/insert-delete-getrandom-o1
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.005531752454833179, https://leetcode.com/problems/binary-tree-maximum-path-sum
 5,Longest Palindromic Substring,29.5%,Medium,0.002279333142507479, https://leetcode.com/problems/longest-palindromic-substring
 340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
--- a/apple_1year.csv
+++ b/apple_1year.csv
@@ -0,0 +1,288 @@
 284,Peeking Iterator,45.7%,Medium,0.9541838033314709, https://leetcode.com/problems/peeking-iterator
 1,Two Sum,45.6%,Easy,0.8672052300421611, https://leetcode.com/problems/two-sum
 1095,Find in Mountain Array,35.8%,Hard,0.7768088090462424, https://leetcode.com/problems/find-in-mountain-array
 391,Perfect Rectangle,30.5%,Hard,0.6864123880503237, https://leetcode.com/problems/perfect-rectangle
 146,LRU Cache,33.2%,Medium,0.6316265551298528, https://leetcode.com/problems/lru-cache
 341,Flatten Nested List Iterator,52.9%,Medium,0.5412301341339341, https://leetcode.com/problems/flatten-nested-list-iterator
 428,Serialize and Deserialize N-ary Tree,59.4%,Hard,0.4508337131380154, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
 212,Word Search II,34.9%,Hard,0.44245091388616276, https://leetcode.com/problems/word-search-ii
 97,Interleaving String,31.5%,Hard,0.4167762826896874, https://leetcode.com/problems/interleaving-string
 4,Median of Two Sorted Arrays,29.6%,Hard,0.38719315710734664, https://leetcode.com/problems/median-of-two-sorted-arrays
 53,Maximum Subarray,46.5%,Easy,0.37577757790839306, https://leetcode.com/problems/maximum-subarray
 295,Find Median from Data Stream,44.3%,Hard,0.36668121102460977, https://leetcode.com/problems/find-median-from-data-stream
 42,Trapping Rain Water,48.9%,Hard,0.36187179404352093, https://leetcode.com/problems/trapping-rain-water
 2,Add Two Numbers,33.9%,Medium,0.3595270499317115, https://leetcode.com/problems/add-two-numbers
 981,Time Based Key-Value Store,53.1%,Medium,0.3076005525488317, https://leetcode.com/problems/time-based-key-value-store
 688,Knight Probability in Chessboard,48.9%,Medium,0.30024869505163937, https://leetcode.com/problems/knight-probability-in-chessboard
 1229,Meeting Scheduler,52.7%,Medium,0.2955601745092634, https://leetcode.com/problems/meeting-scheduler
 351,Android Unlock Patterns,48.4%,Medium,0.26121549926361765, https://leetcode.com/problems/android-unlock-patterns
 609,Find Duplicate File in System,59.5%,Medium,0.25388017696233983, https://leetcode.com/problems/find-duplicate-file-in-system
 348,Design Tic-Tac-Toe,54.3%,Medium,0.19933290262049122, https://leetcode.com/problems/design-tic-tac-toe
 49,Group Anagrams,56.9%,Medium,0.19424008455548245, https://leetcode.com/problems/group-anagrams
 12,Integer to Roman,55.1%,Medium,0.19410560740412444, https://leetcode.com/problems/integer-to-roman
 200,Number of Islands,46.8%,Medium,0.18986549858506208, https://leetcode.com/problems/number-of-islands
 227,Basic Calculator II,36.9%,Medium,0.18200959297922678, https://leetcode.com/problems/basic-calculator-ii
 1278,Palindrome Partitioning III,59.9%,Hard,0.17284281283941086, https://leetcode.com/problems/palindrome-partitioning-iii
 821,Shortest Distance to a Character,66.9%,Easy,0.16229864091884685, https://leetcode.com/problems/shortest-distance-to-a-character
 311,Sparse Matrix Multiplication,61.9%,Medium,0.16174615907749956, https://leetcode.com/problems/sparse-matrix-multiplication
 206,Reverse Linked List,62.5%,Easy,0.1563653350583309, https://leetcode.com/problems/reverse-linked-list
 238,Product of Array Except Self,60.1%,Medium,0.15391154801525797, https://leetcode.com/problems/product-of-array-except-self
 5,Longest Palindromic Substring,29.5%,Medium,0.152609187700488, https://leetcode.com/problems/longest-palindromic-substring
 403,Frog Jump,39.7%,Hard,0.1519909531790461, https://leetcode.com/problems/frog-jump
 362,Design Hit Counter,63.7%,Medium,0.1489960292385938, https://leetcode.com/problems/design-hit-counter
 269,Alien Dictionary,33.3%,Hard,0.14578781346149866, https://leetcode.com/problems/alien-dictionary
 546,Remove Boxes,42.7%,Hard,0.14361551169114867, https://leetcode.com/problems/remove-boxes
 836,Rectangle Overlap,48.6%,Easy,0.14261022668001652, https://leetcode.com/problems/rectangle-overlap
 658,Find K Closest Elements,40.9%,Medium,0.14041717882974725, https://leetcode.com/problems/find-k-closest-elements
 996,Number of Squareful Arrays,47.8%,Hard,0.13767409129953323, https://leetcode.com/problems/number-of-squareful-arrays
 139,Word Break,40.1%,Medium,0.1314440532234174, https://leetcode.com/problems/word-break
 54,Spiral Matrix,34.1%,Medium,0.12572728493821236, https://leetcode.com/problems/spiral-matrix
 636,Exclusive Time of Functions,52.0%,Medium,0.12466318981419816, https://leetcode.com/problems/exclusive-time-of-functions
 741,Cherry Pickup,33.9%,Hard,0.12293768624504794, https://leetcode.com/problems/cherry-pickup
 202,Happy Number,50.4%,Easy,0.11982401289364229, https://leetcode.com/problems/happy-number
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.11876423093459514, https://leetcode.com/problems/longest-substring-without-repeating-characters
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.11459264165812869, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 36,Valid Sudoku,48.7%,Medium,0.11024748048381532, https://leetcode.com/problems/valid-sudoku
 472,Concatenated Words,43.7%,Hard,0.10634180122055205, https://leetcode.com/problems/concatenated-words
 388,Longest Absolute File Path,41.8%,Medium,0.105981440856292, https://leetcode.com/problems/longest-absolute-file-path
 343,Integer Break,50.4%,Medium,0.10446541455492596, https://leetcode.com/problems/integer-break
 88,Merge Sorted Array,39.4%,Easy,0.10303644235421959, https://leetcode.com/problems/merge-sorted-array
 393,UTF-8 Validation,37.5%,Medium,0.10212949507637983, https://leetcode.com/problems/utf-8-validation
 223,Rectangle Area,37.8%,Medium,0.10064352577968744, https://leetcode.com/problems/rectangle-area
 56,Merge Intervals,39.3%,Medium,0.10005860920617055, https://leetcode.com/problems/merge-intervals
 48,Rotate Image,56.7%,Medium,0.09844007281325252, https://leetcode.com/problems/rotate-image
 733,Flood Fill,55.3%,Easy,0.09669362480247104, https://leetcode.com/problems/flood-fill
 23,Merge k Sorted Lists,40.2%,Hard,0.09666556212354038, https://leetcode.com/problems/merge-k-sorted-lists
 837,New 21 Game,34.6%,Medium,0.09646026618756222, https://leetcode.com/problems/new-21-game
 642,Design Search Autocomplete System,44.7%,Hard,0.09500811062818718, https://leetcode.com/problems/design-search-autocomplete-system
 87,Scramble String,33.7%,Hard,0.09333193979221914, https://leetcode.com/problems/scramble-string
 384,Shuffle an Array,52.8%,Medium,0.09170644621893462, https://leetcode.com/problems/shuffle-an-array
 127,Word Ladder,29.6%,Medium,0.09162341383415479, https://leetcode.com/problems/word-ladder
 545,Boundary of Binary Tree,38.9%,Medium,0.091248671465145, https://leetcode.com/problems/boundary-of-binary-tree
 266,Palindrome Permutation,61.9%,Easy,0.091248671465145, https://leetcode.com/problems/palindrome-permutation
 381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.09106388892287375, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
 15,3Sum,26.8%,Medium,0.08893577620894672, https://leetcode.com/problems/3sum
 739,Daily Temperatures,63.3%,Medium,0.08686431971055465, https://leetcode.com/problems/daily-temperatures
 177,Nth Highest Salary,31.4%,Medium,0.0866192142068847, https://leetcode.com/problems/nth-highest-salary
 18,4Sum,33.7%,Medium,0.08527891770220855, https://leetcode.com/problems/4sum
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.08503327428149603, https://leetcode.com/problems/binary-tree-maximum-path-sum
 909,Snakes and Ladders,38.4%,Medium,0.08392620769993404, https://leetcode.com/problems/snakes-and-ladders
 509,Fibonacci Number,67.2%,Easy,0.08383840268320984, https://leetcode.com/problems/fibonacci-number
 297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.0834242216674795, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
 193,Valid Phone Numbers,25.3%,Easy,0.08269171584511335, https://leetcode.com/problems/valid-phone-numbers
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.08268327002043342, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 46,Permutations,63.5%,Medium,0.08209632149618187, https://leetcode.com/problems/permutations
 387,First Unique Character in a String,53.4%,Easy,0.08151765202603821, https://leetcode.com/problems/first-unique-character-in-a-string
 729,My Calendar I,51.8%,Medium,0.0801854119192299, https://leetcode.com/problems/my-calendar-i
 14,Longest Common Prefix,35.4%,Easy,0.07987000438694741, https://leetcode.com/problems/longest-common-prefix
 128,Longest Consecutive Sequence,45.1%,Hard,0.0786603197723907, https://leetcode.com/problems/longest-consecutive-sequence
 125,Valid Palindrome,36.7%,Easy,0.07766984472754161, https://leetcode.com/problems/valid-palindrome
 1221,Split a String in Balanced Strings,83.3%,Easy,0.07634057217232601, https://leetcode.com/problems/split-a-string-in-balanced-strings
 273,Integer to English Words,27.1%,Hard,0.0732177031685638, https://leetcode.com/problems/integer-to-english-words
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.07288369759447264, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 986,Interval List Intersections,67.3%,Medium,0.07255865182314948, https://leetcode.com/problems/interval-list-intersections
 394,Decode String,50.0%,Medium,0.07120444629179161, https://leetcode.com/problems/decode-string
 632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.07082605256861242, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
 253,Meeting Rooms II,45.7%,Medium,0.07046545668000562, https://leetcode.com/problems/meeting-rooms-ii
 187,Repeated DNA Sequences,38.9%,Medium,0.06947237281476738, https://leetcode.com/problems/repeated-dna-sequences
 867,Transpose Matrix,62.8%,Easy,0.06883450582029693, https://leetcode.com/problems/transpose-matrix
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.06820582606617018, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 16,3Sum Closest,46.0%,Medium,0.065777130514714, https://leetcode.com/problems/3sum-closest
 178,Rank Scores,45.8%,Medium,0.06551667145414991, https://leetcode.com/problems/rank-scores
 86,Partition List,41.5%,Medium,0.06170036851169576, https://leetcode.com/problems/partition-list
 75,Sort Colors,47.3%,Medium,0.05950522970614658, https://leetcode.com/problems/sort-colors
 528,Random Pick with Weight,43.9%,Medium,0.05805039128849884, https://leetcode.com/problems/random-pick-with-weight
 417,Pacific Atlantic Water Flow,41.1%,Medium,0.057523844138186606, https://leetcode.com/problems/pacific-atlantic-water-flow
 283,Move Zeroes,57.8%,Easy,0.05686540295029014, https://leetcode.com/problems/move-zeroes
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.056692473087026664, https://leetcode.com/problems/binary-tree-level-order-traversal
 136,Single Number,65.5%,Easy,0.05656352626214251, https://leetcode.com/problems/single-number
 41,First Missing Positive,32.0%,Hard,0.056273635982108605, https://leetcode.com/problems/first-missing-positive
 21,Merge Two Sorted Lists,53.5%,Easy,0.05490757117845869, https://leetcode.com/problems/merge-two-sorted-lists
 7,Reverse Integer,25.8%,Easy,0.054824382173728654, https://leetcode.com/problems/reverse-integer
 443,String Compression,41.3%,Easy,0.05450940566837169, https://leetcode.com/problems/string-compression
 594,Longest Harmonious Subsequence,46.6%,Easy,0.054435206555017046, https://leetcode.com/problems/longest-harmonious-subsequence
 332,Reconstruct Itinerary,36.7%,Medium,0.053921416793820044, https://leetcode.com/problems/reconstruct-itinerary
 1275,Find Winner on a Tic Tac Toe Game,52.8%,Easy,0.05292240145434251, https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
 31,Next Permutation,32.6%,Medium,0.05265913800819017, https://leetcode.com/problems/next-permutation
 687,Longest Univalue Path,36.2%,Easy,0.05212529063213289, https://leetcode.com/problems/longest-univalue-path
 120,Triangle,44.2%,Medium,0.05192600557601006, https://leetcode.com/problems/triangle
 622,Design Circular Queue,43.7%,Medium,0.049844204077291364, https://leetcode.com/problems/design-circular-queue
 133,Clone Graph,34.8%,Medium,0.049801168649527466, https://leetcode.com/problems/clone-graph
 518,Coin Change 2,50.2%,Medium,0.04919528672454412, https://leetcode.com/problems/coin-change-2
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.048909503032274274, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 445,Add Two Numbers II,54.5%,Medium,0.04843561709959499, https://leetcode.com/problems/add-two-numbers-ii
 336,Palindrome Pairs,33.7%,Hard,0.04690191367275952, https://leetcode.com/problems/palindrome-pairs
 453,Minimum Moves to Equal Array Elements,50.2%,Easy,0.04652001563489285, https://leetcode.com/problems/minimum-moves-to-equal-array-elements
 442,Find All Duplicates in an Array,67.8%,Medium,0.04590593720045213, https://leetcode.com/problems/find-all-duplicates-in-an-array
 8,String to Integer (atoi),15.4%,Medium,0.04549614908874012, https://leetcode.com/problems/string-to-integer-atoi
 232,Implement Queue using Stacks,49.6%,Easy,0.04423053722733957, https://leetcode.com/problems/implement-queue-using-stacks
 93,Restore IP Addresses,35.6%,Medium,0.04393092922572675, https://leetcode.com/problems/restore-ip-addresses
 895,Maximum Frequency Stack,60.6%,Hard,0.04329680575332419, https://leetcode.com/problems/maximum-frequency-stack
 490,The Maze,51.4%,Medium,0.04287902305923364, https://leetcode.com/problems/the-maze
 515,Find Largest Value in Each Tree Row,61.1%,Medium,0.042459207771791546, https://leetcode.com/problems/find-largest-value-in-each-tree-row
 140,Word Break II,32.6%,Hard,0.04245795568707049, https://leetcode.com/problems/word-break-ii
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.04215422741819192, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.04214343508255059, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
 141,Linked List Cycle,41.1%,Easy,0.0419797805851107, https://leetcode.com/problems/linked-list-cycle
 155,Min Stack,44.5%,Easy,0.04194952712763244, https://leetcode.com/problems/min-stack
 647,Palindromic Substrings,60.6%,Medium,0.040968350772541844, https://leetcode.com/problems/palindromic-substrings
 37,Sudoku Solver,43.6%,Hard,0.040527833612118376, https://leetcode.com/problems/sudoku-solver
 25,Reverse Nodes in k-Group,42.1%,Hard,0.040236757867738004, https://leetcode.com/problems/reverse-nodes-in-k-group
 256,Paint House,52.1%,Easy,0.03937516523483013, https://leetcode.com/problems/paint-house
 344,Reverse String,68.5%,Easy,0.0393340697038369, https://leetcode.com/problems/reverse-string
 706,Design HashMap,61.3%,Easy,0.039016652342451774, https://leetcode.com/problems/design-hashmap
 1060,Missing Element in Sorted Array,54.5%,Medium,0.03879796954098255, https://leetcode.com/problems/missing-element-in-sorted-array
 168,Excel Sheet Column Title,31.1%,Easy,0.03861483612777958, https://leetcode.com/problems/excel-sheet-column-title
 24,Swap Nodes in Pairs,50.4%,Medium,0.03826607060639552, https://leetcode.com/problems/swap-nodes-in-pairs
 863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.037756162417993476, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
 11,Container With Most Water,50.8%,Medium,0.03694630107228425, https://leetcode.com/problems/container-with-most-water
 51,N-Queens,46.6%,Hard,0.03651521297509749, https://leetcode.com/problems/n-queens
 43,Multiply Strings,33.9%,Medium,0.03608871558298825, https://leetcode.com/problems/multiply-strings
 59,Spiral Matrix II,53.9%,Medium,0.0351873674509732, https://leetcode.com/problems/spiral-matrix-ii
 374,Guess Number Higher or Lower,43.1%,Easy,0.03422387238757742, https://leetcode.com/problems/guess-number-higher-or-lower
 886,Possible Bipartition,44.2%,Medium,0.034103901828857086, https://leetcode.com/problems/possible-bipartition
 287,Find the Duplicate Number,55.5%,Medium,0.033896954598043594, https://leetcode.com/problems/find-the-duplicate-number
 480,Sliding Window Median,37.2%,Hard,0.03373001037669306, https://leetcode.com/problems/sliding-window-median
 694,Number of Distinct Islands,56.0%,Medium,0.03278982282299087, https://leetcode.com/problems/number-of-distinct-islands
 300,Longest Increasing Subsequence,42.6%,Medium,0.03245773693742074, https://leetcode.com/problems/longest-increasing-subsequence
 1146,Snapshot Array,37.0%,Medium,0.0317991816929387, https://leetcode.com/problems/snapshot-array
 1114,Print in Order,65.7%,Easy,0.0317486983145803, https://leetcode.com/problems/print-in-order
 304,Range Sum Query 2D - Immutable,38.6%,Medium,0.031036973995576488, https://leetcode.com/problems/range-sum-query-2d-immutable
 703,Kth Largest Element in a Stream,49.7%,Easy,0.031004894819414507, https://leetcode.com/problems/kth-largest-element-in-a-stream
 460,LFU Cache,34.2%,Hard,0.030962225603966897, https://leetcode.com/problems/lfu-cache
 179,Largest Number,28.8%,Medium,0.03093030069135863, https://leetcode.com/problems/largest-number
 13,Roman to Integer,55.7%,Easy,0.030443751414723153, https://leetcode.com/problems/roman-to-integer
 268,Missing Number,51.7%,Easy,0.03011913009547617, https://leetcode.com/problems/missing-number
 1011,Capacity To Ship Packages Within D Days,58.1%,Medium,0.030100090297855955, https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
 415,Add Strings,47.5%,Easy,0.030009753867991852, https://leetcode.com/problems/add-strings
 135,Candy,31.6%,Hard,0.029764101906453892, https://leetcode.com/problems/candy
 277,Find the Celebrity,41.8%,Medium,0.02969780239174205, https://leetcode.com/problems/find-the-celebrity
 1197,Minimum Knight Moves,36.1%,Medium,0.02969780239174205, https://leetcode.com/problems/minimum-knight-moves
 191,Number of 1 Bits,49.8%,Easy,0.029560622742018188, https://leetcode.com/problems/number-of-1-bits
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.028950236662501776, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 771,Jewels and Stones,86.4%,Easy,0.028825631190792587, https://leetcode.com/problems/jewels-and-stones
 33,Search in Rotated Sorted Array,34.5%,Medium,0.0287009496170278, https://leetcode.com/problems/search-in-rotated-sorted-array
 62,Unique Paths,54.1%,Medium,0.02853749186115581, https://leetcode.com/problems/unique-paths
 77,Combinations,54.7%,Medium,0.028021758737593695, https://leetcode.com/problems/combinations
 20,Valid Parentheses,39.0%,Easy,0.02782373445001039, https://leetcode.com/problems/valid-parentheses
 68,Text Justification,27.7%,Hard,0.0276451606661453, https://leetcode.com/problems/text-justification
 796,Rotate String,49.6%,Easy,0.02701041988276247, https://leetcode.com/problems/rotate-string
 29,Divide Two Integers,16.4%,Medium,0.026820246545985277, https://leetcode.com/problems/divide-two-integers
 931,Minimum Falling Path Sum,62.5%,Medium,0.02672169681715245, https://leetcode.com/problems/minimum-falling-path-sum
 79,Word Search,35.6%,Medium,0.026308653156300807, https://leetcode.com/problems/word-search
 143,Reorder List,37.1%,Medium,0.025870945598649286, https://leetcode.com/problems/reorder-list
 242,Valid Anagram,56.9%,Easy,0.025684584297773504, https://leetcode.com/problems/valid-anagram
 218,The Skyline Problem,34.6%,Hard,0.025479085300984906, https://leetcode.com/problems/the-skyline-problem
 1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.025446665661164262, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
 162,Find Peak Element,43.3%,Medium,0.02516251642407408, https://leetcode.com/problems/find-peak-element
 322,Coin Change,35.5%,Medium,0.024924029676386045, https://leetcode.com/problems/coin-change
 220,Contains Duplicate III,20.9%,Medium,0.024876904755404577, https://leetcode.com/problems/contains-duplicate-iii
 138,Copy List with Random Pointer,36.4%,Medium,0.02453734514188008, https://leetcode.com/problems/copy-list-with-random-pointer
 310,Minimum Height Trees,32.3%,Medium,0.02446605215440636, https://leetcode.com/problems/minimum-height-trees
 977,Squares of a Sorted Array,72.1%,Easy,0.02407434514623628, https://leetcode.com/problems/squares-of-a-sorted-array
 1315,Sum of Nodes with Even-Valued Grandparent,83.5%,Medium,0.023981964686485415, https://leetcode.com/problems/sum-of-nodes-with-even-valued-grandparent
 91,Decode Ways,24.7%,Medium,0.023662742620848144, https://leetcode.com/problems/decode-ways
 198,House Robber,42.0%,Easy,0.023256862164267263, https://leetcode.com/problems/house-robber
 210,Course Schedule II,40.7%,Medium,0.023133880315464483, https://leetcode.com/problems/course-schedule-ii
 973,K Closest Points to Origin,63.8%,Medium,0.022897394173017796, https://leetcode.com/problems/k-closest-points-to-origin
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.022325470299025416, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.021962815449093263, https://leetcode.com/problems/insert-delete-getrandom-o1
 167,Two Sum II - Input array is sorted,54.1%,Easy,0.021849838247772296, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
 231,Power of Two,43.7%,Easy,0.021776810232970734, https://leetcode.com/problems/power-of-two
 45,Jump Game II,30.6%,Hard,0.021353124470568974, https://leetcode.com/problems/jump-game-ii
 359,Logger Rate Limiter,70.8%,Easy,0.021053409197832343, https://leetcode.com/problems/logger-rate-limiter
 670,Maximum Swap,43.6%,Medium,0.020844944430365928, https://leetcode.com/problems/maximum-swap
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.020783855622427426, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 279,Perfect Squares,47.4%,Medium,0.02061928720273568, https://leetcode.com/problems/perfect-squares
 32,Longest Valid Parentheses,28.4%,Hard,0.020385756924473915, https://leetcode.com/problems/longest-valid-parentheses
 454,4Sum II,53.1%,Medium,0.02033623717961716, https://leetcode.com/problems/4sum-ii
 166,Fraction to Recurring Decimal,21.6%,Medium,0.02015181543730795, https://leetcode.com/problems/fraction-to-recurring-decimal
 525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
 63,Unique Paths II,34.6%,Medium,0.01949801804099658, https://leetcode.com/problems/unique-paths-ii
 435,Non-overlapping Intervals,42.9%,Medium,0.019455866615365896, https://leetcode.com/problems/non-overlapping-intervals
 669,Trim a Binary Search Tree,63.0%,Easy,0.019139340210697423, https://leetcode.com/problems/trim-a-binary-search-tree
 229,Majority Element II,35.6%,Medium,0.019057270410286146, https://leetcode.com/problems/majority-element-ii
 151,Reverse Words in a String,21.9%,Medium,0.018673611472670153, https://leetcode.com/problems/reverse-words-in-a-string
 617,Merge Two Binary Trees,74.1%,Easy,0.018496211633622316, https://leetcode.com/problems/merge-two-binary-trees
 234,Palindrome Linked List,39.3%,Easy,0.01801241989645556, https://leetcode.com/problems/palindrome-linked-list
 126,Word Ladder II,22.1%,Hard,0.017994187717865196, https://leetcode.com/problems/word-ladder-ii
 542,01 Matrix,39.8%,Medium,0.01796993548494071, https://leetcode.com/problems/01-matrix
 406,Queue Reconstruction by Height,66.9%,Medium,0.01774669468133533, https://leetcode.com/problems/queue-reconstruction-by-height
 38,Count and Say,44.6%,Easy,0.01753063983505879, https://leetcode.com/problems/count-and-say
 22,Generate Parentheses,62.7%,Medium,0.017331456351639924, https://leetcode.com/problems/generate-parentheses
 95,Unique Binary Search Trees II,40.6%,Medium,0.016856699181010838, https://leetcode.com/problems/unique-binary-search-trees-ii
 692,Top K Frequent Words,51.8%,Medium,0.016832265743172113, https://leetcode.com/problems/top-k-frequent-words
 176,Second Highest Salary,31.6%,Easy,0.01655971603901838, https://leetcode.com/problems/second-highest-salary
 188,Best Time to Buy and Sell Stock IV,28.0%,Hard,0.01651565203072114, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
 116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.016432723251567683, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
 1108,Defanging an IP Address,87.5%,Easy,0.016423726830643748, https://leetcode.com/problems/defanging-an-ip-address
 73,Set Matrix Zeroes,43.1%,Medium,0.015715357479628243, https://leetcode.com/problems/set-matrix-zeroes
 938,Range Sum of BST,81.3%,Easy,0.015707129205357877, https://leetcode.com/problems/range-sum-of-bst
 215,Kth Largest Element in an Array,55.4%,Medium,0.015519225147600912, https://leetcode.com/problems/kth-largest-element-in-an-array
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.015450951155718977, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 1002,Find Common Characters,67.6%,Easy,0.015273301861833809, https://leetcode.com/problems/find-common-characters
 561,Array Partition I,72.0%,Easy,0.015186320707985562, https://leetcode.com/problems/array-partition-i
 153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.014939586916186732, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.014352596574956585, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 83,Remove Duplicates from Sorted List,45.4%,Easy,0.014238493989114923, https://leetcode.com/problems/remove-duplicates-from-sorted-list
 230,Kth Smallest Element in a BST,60.2%,Medium,0.014200301729123736, https://leetcode.com/problems/kth-smallest-element-in-a-bst
 371,Sum of Two Integers,50.7%,Medium,0.014064929467403538, https://leetcode.com/problems/sum-of-two-integers
 76,Minimum Window Substring,34.6%,Hard,0.013966707481708198, https://leetcode.com/problems/minimum-window-substring
 345,Reverse Vowels of a String,44.2%,Easy,0.013947227480850463, https://leetcode.com/problems/reverse-vowels-of-a-string
 724,Find Pivot Index,44.0%,Easy,0.013850636933899008, https://leetcode.com/problems/find-pivot-index
 767,Reorganize String,48.7%,Medium,0.01329806830463147, https://leetcode.com/problems/reorganize-string
 347,Top K Frequent Elements,61.2%,Medium,0.01329217620893675, https://leetcode.com/problems/top-k-frequent-elements
 695,Max Area of Island,62.7%,Medium,0.012686500631003836, https://leetcode.com/problems/max-area-of-island
 9,Palindrome Number,48.4%,Easy,0.01209661684713821, https://leetcode.com/problems/palindrome-number
 543,Diameter of Binary Tree,48.4%,Easy,0.011898606798495848, https://leetcode.com/problems/diameter-of-binary-tree
 378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.011634802567699611, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
 69,Sqrt(x),33.9%,Easy,0.011443227222342794, https://leetcode.com/problems/sqrtx
 190,Reverse Bits,39.8%,Easy,0.011393278234619338, https://leetcode.com/problems/reverse-bits
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.011261380272539033, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 171,Excel Sheet Column Number,55.9%,Easy,0.011195191092491645, https://leetcode.com/problems/excel-sheet-column-number
 207,Course Schedule,43.1%,Medium,0.01113459480911671, https://leetcode.com/problems/course-schedule
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.011105055822701604, https://leetcode.com/problems/maximum-depth-of-binary-tree
 169,Majority Element,58.7%,Easy,0.010558521365115802, https://leetcode.com/problems/majority-element
 211,Add and Search Word - Data structure design,38.1%,Medium,0.010438508143923443, https://leetcode.com/problems/add-and-search-word-data-structure-design
 67,Add Binary,45.2%,Easy,0.010342637288628867, https://leetcode.com/problems/add-binary
 819,Most Common Word,44.8%,Easy,0.010269666637456105, https://leetcode.com/problems/most-common-word
 113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
 47,Permutations II,46.4%,Medium,0.009673594178378379, https://leetcode.com/problems/permutations-ii
 905,Sort Array By Parity,74.1%,Easy,0.009603915354180344, https://leetcode.com/problems/sort-array-by-parity
 70,Climbing Stairs,47.8%,Easy,0.009390798483527519, https://leetcode.com/problems/climbing-stairs
 74,Search a 2D Matrix,36.5%,Medium,0.00934149716911291, https://leetcode.com/problems/search-a-2d-matrix
 28,Implement strStr(),34.5%,Easy,0.008850485542574548, https://leetcode.com/problems/implement-strstr
 700,Search in a Binary Search Tree,73.1%,Easy,0.008512500860171227, https://leetcode.com/problems/search-in-a-binary-search-tree
 173,Binary Search Tree Iterator,56.6%,Medium,0.008489015324911316, https://leetcode.com/problems/binary-search-tree-iterator
 209,Minimum Size Subarray Sum,38.2%,Medium,0.00841401682484616, https://leetcode.com/problems/minimum-size-subarray-sum
 763,Partition Labels,76.1%,Medium,0.008385793376274025, https://leetcode.com/problems/partition-labels
 78,Subsets,62.0%,Medium,0.008278192969371254, https://leetcode.com/problems/subsets
 239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
 6,ZigZag Conversion,36.3%,Medium,0.0077116248757144665, https://leetcode.com/problems/zigzag-conversion
 175,Combine Two Tables,60.8%,Easy,0.007696786120491369, https://leetcode.com/problems/combine-two-tables
 876,Middle of the Linked List,68.4%,Easy,0.007624893975696915, https://leetcode.com/problems/middle-of-the-linked-list
 240,Search a 2D Matrix II,43.2%,Medium,0.0075829747244553335, https://leetcode.com/problems/search-a-2d-matrix-ii
 66,Plus One,43.0%,Easy,0.007324847595025828, https://leetcode.com/problems/plus-one
 10,Regular Expression Matching,26.8%,Hard,0.0071865203293987245, https://leetcode.com/problems/regular-expression-matching
 204,Count Primes,31.5%,Easy,0.007072165261362441, https://leetcode.com/problems/count-primes
 110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.006816368572598042, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 118,Pascal's Triangle,52.5%,Easy,0.006749941254175012, https://leetcode.com/problems/pascals-triangle
 98,Validate Binary Search Tree,27.8%,Medium,0.006611351489350257, https://leetcode.com/problems/validate-binary-search-tree
 142,Linked List Cycle II,37.3%,Medium,0.006564934131150057, https://leetcode.com/problems/linked-list-cycle-ii
 107,Binary Tree Level Order Traversal II,53.5%,Easy,0.006423661079917184, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
 64,Minimum Path Sum,54.5%,Medium,0.006127470152097104, https://leetcode.com/problems/minimum-path-sum
 39,Combination Sum,56.1%,Medium,0.005715934396440999, https://leetcode.com/problems/combination-sum
 199,Binary Tree Right Side View,54.1%,Medium,0.0056826406650506926, https://leetcode.com/problems/binary-tree-right-side-view
 226,Invert Binary Tree,65.0%,Easy,0.005508138409792252, https://leetcode.com/problems/invert-binary-tree
 350,Intersection of Two Arrays II,51.4%,Easy,0.005210380421193978, https://leetcode.com/problems/intersection-of-two-arrays-ii
 55,Jump Game,34.6%,Medium,0.005022612266291382, https://leetcode.com/problems/jump-game
 35,Search Insert Position,42.6%,Easy,0.004646848510375352, https://leetcode.com/problems/search-insert-position
 560,Subarray Sum Equals K,43.9%,Medium,0.004279454482267064, https://leetcode.com/problems/subarray-sum-equals-k
 217,Contains Duplicate,56.0%,Easy,0.0037979536727587773, https://leetcode.com/problems/contains-duplicate
 203,Remove Linked List Elements,38.6%,Easy,0.0036496390875494257, https://leetcode.com/problems/remove-linked-list-elements
 101,Symmetric Tree,46.8%,Easy,0.0034057078469827435, https://leetcode.com/problems/symmetric-tree
 94,Binary Tree Inorder Traversal,63.3%,Medium,0.0033551449021403577, https://leetcode.com/problems/binary-tree-inorder-traversal
 260,Single Number III,64.3%,Medium,0.0020288097849578786, https://leetcode.com/problems/single-number-iii
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0019513153174351963, https://leetcode.com/problems/remove-duplicates-from-sorted-array
--- a/apple_2year.csv
+++ b/apple_2year.csv
@@ -0,0 +1,364 @@
 1,Two Sum,45.6%,Easy,1.3239393390446, https://leetcode.com/problems/two-sum
 284,Peeking Iterator,45.7%,Medium,1.225806299790293, https://leetcode.com/problems/peeking-iterator
 146,LRU Cache,33.2%,Medium,1.1817054748912657, https://leetcode.com/problems/lru-cache
 1095,Find in Mountain Array,35.8%,Hard,1.0835724356369587, https://leetcode.com/problems/find-in-mountain-array
 391,Perfect Rectangle,30.5%,Hard,0.9854393963826518, https://leetcode.com/problems/perfect-rectangle
 403,Frog Jump,39.7%,Hard,0.977549850058533, https://leetcode.com/problems/frog-jump
 2,Add Two Numbers,33.9%,Medium,0.9760771681710703, https://leetcode.com/problems/add-two-numbers
 341,Flatten Nested List Iterator,52.9%,Medium,0.9601739460032599, https://leetcode.com/problems/flatten-nested-list-iterator
 53,Maximum Subarray,46.5%,Easy,0.9397769028056373, https://leetcode.com/problems/maximum-subarray
 42,Trapping Rain Water,48.9%,Hard,0.8416438635513304, https://leetcode.com/problems/trapping-rain-water
 428,Serialize and Deserialize N-ary Tree,59.4%,Hard,0.8184023944755309, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
 4,Median of Two Sorted Arrays,29.6%,Hard,0.7804874458075195, https://leetcode.com/problems/median-of-two-sorted-arrays
 97,Interleaving String,31.5%,Hard,0.6933519806963994, https://leetcode.com/problems/interleaving-string
 295,Find Median from Data Stream,44.3%,Hard,0.6374386685560265, https://leetcode.com/problems/find-median-from-data-stream
 212,Word Search II,34.9%,Hard,0.5393056293017195, https://leetcode.com/problems/word-search-ii
 311,Sparse Matrix Multiplication,61.9%,Medium,0.4503238876572249, https://leetcode.com/problems/sparse-matrix-multiplication
 200,Number of Islands,46.8%,Medium,0.44929804774434284, https://leetcode.com/problems/number-of-islands
 479,Largest Palindrome Product,29.0%,Hard,0.44183275227903923, https://leetcode.com/problems/largest-palindrome-product
 49,Group Anagrams,56.9%,Medium,0.40816116873735864, https://leetcode.com/problems/group-anagrams
 688,Knight Probability in Chessboard,48.9%,Medium,0.38977851194046487, https://leetcode.com/problems/knight-probability-in-chessboard
 351,Android Unlock Patterns,48.4%,Medium,0.38282263135840455, https://leetcode.com/problems/android-unlock-patterns
 981,Time Based Key-Value Store,53.1%,Medium,0.3755723540313778, https://leetcode.com/problems/time-based-key-value-store
 227,Basic Calculator II,36.9%,Medium,0.3709825801608562, https://leetcode.com/problems/basic-calculator-ii
 206,Reverse Linked List,62.5%,Easy,0.3555322708386157, https://leetcode.com/problems/reverse-linked-list
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.34223732585313005, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 56,Merge Intervals,39.3%,Medium,0.324649020144345, https://leetcode.com/problems/merge-intervals
 12,Integer to Roman,55.1%,Medium,0.30898314806430144, https://leetcode.com/problems/integer-to-roman
 177,Nth Highest Salary,31.4%,Medium,0.3088994656700207, https://leetcode.com/problems/nth-highest-salary
 202,Happy Number,50.4%,Easy,0.3027727255563815, https://leetcode.com/problems/happy-number
 724,Find Pivot Index,44.0%,Easy,0.29912265485367395, https://leetcode.com/problems/find-pivot-index
 1229,Meeting Scheduler,52.7%,Medium,0.2955601745092634, https://leetcode.com/problems/meeting-scheduler
 387,First Unique Character in a String,53.4%,Easy,0.2924677090124108, https://leetcode.com/problems/first-unique-character-in-a-string
 996,Number of Squareful Arrays,47.8%,Hard,0.28675913745318005, https://leetcode.com/problems/number-of-squareful-arrays
 54,Spiral Matrix,34.1%,Medium,0.28079436421311554, https://leetcode.com/problems/spiral-matrix
 15,3Sum,26.8%,Medium,0.2753610195122021, https://leetcode.com/problems/3sum
 5,Longest Palindromic Substring,29.5%,Medium,0.2637368700238773, https://leetcode.com/problems/longest-palindromic-substring
 348,Design Tic-Tac-Toe,54.3%,Medium,0.2625527836498761, https://leetcode.com/problems/design-tic-tac-toe
 21,Merge Two Sorted Lists,53.5%,Easy,0.2612738868325316, https://leetcode.com/problems/merge-two-sorted-lists
 609,Find Duplicate File in System,59.5%,Medium,0.25388017696233983, https://leetcode.com/problems/find-duplicate-file-in-system
 238,Product of Array Except Self,60.1%,Medium,0.25039509932624693, https://leetcode.com/problems/product-of-array-except-self
 139,Word Break,40.1%,Medium,0.24836185186023652, https://leetcode.com/problems/word-break
 251,Flatten 2D Vector,45.7%,Medium,0.2425088583672668, https://leetcode.com/problems/flatten-2d-vector
 545,Boundary of Binary Tree,38.9%,Medium,0.235382573048932, https://leetcode.com/problems/boundary-of-binary-tree
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.23357430753991837, https://leetcode.com/problems/longest-substring-without-repeating-characters
 48,Rotate Image,56.7%,Medium,0.22339894653970727, https://leetcode.com/problems/rotate-image
 18,4Sum,33.7%,Medium,0.22096511694444815, https://leetcode.com/problems/4sum
 8,String to Integer (atoi),15.4%,Medium,0.2176759858041558, https://leetcode.com/problems/string-to-integer-atoi
 393,UTF-8 Validation,37.5%,Medium,0.2166710368085923, https://leetcode.com/problems/utf-8-validation
 661,Image Smoother,51.5%,Easy,0.21106039931128698, https://leetcode.com/problems/image-smoother
 729,My Calendar I,51.8%,Medium,0.20856657856743668, https://leetcode.com/problems/my-calendar-i
 362,Design Hit Counter,63.7%,Medium,0.20812125379246896, https://leetcode.com/problems/design-hit-counter
 23,Merge k Sorted Lists,40.2%,Hard,0.20567737841612924, https://leetcode.com/problems/merge-k-sorted-lists
 233,Number of Digit One,31.3%,Hard,0.20157261209600713, https://leetcode.com/problems/number-of-digit-one
 836,Rectangle Overlap,48.6%,Easy,0.19944370144318244, https://leetcode.com/problems/rectangle-overlap
 36,Valid Sudoku,48.7%,Medium,0.1991463806942981, https://leetcode.com/problems/valid-sudoku
 706,Design HashMap,61.3%,Easy,0.1960785423771685, https://leetcode.com/problems/design-hashmap
 46,Permutations,63.5%,Medium,0.18816690901782251, https://leetcode.com/problems/permutations
 658,Find K Closest Elements,40.9%,Medium,0.18663941293482042, https://leetcode.com/problems/find-k-closest-elements
 394,Decode String,50.0%,Medium,0.18648126820299707, https://leetcode.com/problems/decode-string
 253,Meeting Rooms II,45.7%,Medium,0.18465102561460048, https://leetcode.com/problems/meeting-rooms-ii
 911,Online Election,50.4%,Medium,0.1741842396477574, https://leetcode.com/problems/online-election
 1278,Palindrome Partitioning III,59.9%,Hard,0.17284281283941086, https://leetcode.com/problems/palindrome-partitioning-iii
 223,Rectangle Area,37.8%,Medium,0.172469260350943, https://leetcode.com/problems/rectangle-area
 7,Reverse Integer,25.8%,Easy,0.1708373626727859, https://leetcode.com/problems/reverse-integer
 31,Next Permutation,32.6%,Medium,0.16698476137397944, https://leetcode.com/problems/next-permutation
 642,Design Search Autocomplete System,44.7%,Hard,0.16312782492496253, https://leetcode.com/problems/design-search-autocomplete-system
 821,Shortest Distance to a Character,66.9%,Easy,0.16229864091884685, https://leetcode.com/problems/shortest-distance-to-a-character
 242,Valid Anagram,56.9%,Easy,0.1620140669319784, https://leetcode.com/problems/valid-anagram
 155,Min Stack,44.5%,Easy,0.15817175770099312, https://leetcode.com/problems/min-stack
 88,Merge Sorted Array,39.4%,Easy,0.15664551938695154, https://leetcode.com/problems/merge-sorted-array
 381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.15656906069153992, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
 125,Valid Palindrome,36.7%,Easy,0.15573056017039402, https://leetcode.com/problems/valid-palindrome
 20,Valid Parentheses,39.0%,Easy,0.15392855906669206, https://leetcode.com/problems/valid-parentheses
 14,Longest Common Prefix,35.4%,Easy,0.15097420446868728, https://leetcode.com/problems/longest-common-prefix
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.14740025304271914, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.1466146891661091, https://leetcode.com/problems/insert-delete-getrandom-o1
 269,Alien Dictionary,33.3%,Hard,0.14578781346149866, https://leetcode.com/problems/alien-dictionary
 909,Snakes and Ladders,38.4%,Medium,0.14465605390747982, https://leetcode.com/problems/snakes-and-ladders
 546,Remove Boxes,42.7%,Hard,0.14361551169114867, https://leetcode.com/problems/remove-boxes
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.14290237960985536, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 16,3Sum Closest,46.0%,Medium,0.14234512850929823, https://leetcode.com/problems/3sum-closest
 75,Sort Colors,47.3%,Medium,0.14097981038702445, https://leetcode.com/problems/sort-colors
 127,Word Ladder,29.6%,Medium,0.13969675545163246, https://leetcode.com/problems/word-ladder
 141,Linked List Cycle,41.1%,Easy,0.13790757618343236, https://leetcode.com/problems/linked-list-cycle
 427,Construct Quad Tree,61.4%,Medium,0.13580154115906176, https://leetcode.com/problems/construct-quad-tree
 509,Fibonacci Number,67.2%,Easy,0.1350250115835784, https://leetcode.com/problems/fibonacci-number
 297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.13437443205326582, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.13360522333074684, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 195,Tenth Line,33.0%,Easy,0.1329388000145885, https://leetcode.com/problems/tenth-line
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.12986708079202924, https://leetcode.com/problems/binary-tree-maximum-path-sum
 384,Shuffle an Array,52.8%,Medium,0.12953764257899986, https://leetcode.com/problems/shuffle-an-array
 733,Flood Fill,55.3%,Easy,0.1294338948393464, https://leetcode.com/problems/flood-fill
 528,Random Pick with Weight,43.9%,Medium,0.12617342152539626, https://leetcode.com/problems/random-pick-with-weight
 694,Number of Distinct Islands,56.0%,Medium,0.12516314295400602, https://leetcode.com/problems/number-of-distinct-islands
 636,Exclusive Time of Functions,52.0%,Medium,0.12466318981419816, https://leetcode.com/problems/exclusive-time-of-functions
 741,Cherry Pickup,33.9%,Hard,0.12293768624504794, https://leetcode.com/problems/cherry-pickup
 133,Clone Graph,34.8%,Medium,0.1228536731053435, https://leetcode.com/problems/clone-graph
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.12112367112240524, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 867,Transpose Matrix,62.8%,Easy,0.11927747573936125, https://leetcode.com/problems/transpose-matrix
 76,Minimum Window Substring,34.6%,Hard,0.11918851726511835, https://leetcode.com/problems/minimum-window-substring
 443,String Compression,41.3%,Easy,0.11871630683938197, https://leetcode.com/problems/string-compression
 332,Reconstruct Itinerary,36.7%,Medium,0.11747520126885172, https://leetcode.com/problems/reconstruct-itinerary
 739,Daily Temperatures,63.3%,Medium,0.11646575243222568, https://leetcode.com/problems/daily-temperatures
 268,Missing Number,51.7%,Easy,0.11538834636572094, https://leetcode.com/problems/missing-number
 281,Zigzag Iterator,58.4%,Medium,0.11506932978478719, https://leetcode.com/problems/zigzag-iterator
 401,Binary Watch,47.5%,Easy,0.1149222341870932, https://leetcode.com/problems/binary-watch
 692,Top K Frequent Words,51.8%,Medium,0.1139616691735821, https://leetcode.com/problems/top-k-frequent-words
 277,Find the Celebrity,41.8%,Medium,0.11383991212794757, https://leetcode.com/problems/find-the-celebrity
 120,Triangle,44.2%,Medium,0.11325730177515365, https://leetcode.com/problems/triangle
 977,Squares of a Sorted Array,72.1%,Easy,0.11148209139865584, https://leetcode.com/problems/squares-of-a-sorted-array
 412,Fizz Buzz,62.3%,Easy,0.1089140648664841, https://leetcode.com/problems/fizz-buzz
 472,Concatenated Words,43.7%,Hard,0.10634180122055205, https://leetcode.com/problems/concatenated-words
 388,Longest Absolute File Path,41.8%,Medium,0.105981440856292, https://leetcode.com/problems/longest-absolute-file-path
 128,Longest Consecutive Sequence,45.1%,Hard,0.10561054122992579, https://leetcode.com/problems/longest-consecutive-sequence
 343,Integer Break,50.4%,Medium,0.10446541455492596, https://leetcode.com/problems/integer-break
 796,Rotate String,49.6%,Easy,0.10392210998497661, https://leetcode.com/problems/rotate-string
 986,Interval List Intersections,67.3%,Medium,0.10288907161978299, https://leetcode.com/problems/interval-list-intersections
 178,Rank Scores,45.8%,Medium,0.10056698833370464, https://leetcode.com/problems/rank-scores
 350,Intersection of Two Arrays II,51.4%,Easy,0.10055599252915376, https://leetcode.com/problems/intersection-of-two-arrays-ii
 136,Single Number,65.5%,Easy,0.09844680818822771, https://leetcode.com/problems/single-number
 218,The Skyline Problem,34.6%,Hard,0.09823843958341322, https://leetcode.com/problems/the-skyline-problem
 232,Implement Queue using Stacks,49.6%,Easy,0.09690200534777553, https://leetcode.com/problems/implement-queue-using-stacks
 837,New 21 Game,34.6%,Medium,0.09646026618756222, https://leetcode.com/problems/new-21-game
 895,Maximum Frequency Stack,60.6%,Hard,0.09490784626439754, https://leetcode.com/problems/maximum-frequency-stack
 86,Partition List,41.5%,Medium,0.09480379573736777, https://leetcode.com/problems/partition-list
 344,Reverse String,68.5%,Easy,0.09446131492390734, https://leetcode.com/problems/reverse-string
 33,Search in Rotated Sorted Array,34.5%,Medium,0.09336717401169674, https://leetcode.com/problems/search-in-rotated-sorted-array
 87,Scramble String,33.7%,Hard,0.09333193979221914, https://leetcode.com/problems/scramble-string
 140,Word Break II,32.6%,Hard,0.09311451843548549, https://leetcode.com/problems/word-break-ii
 266,Palindrome Permutation,61.9%,Easy,0.091248671465145, https://leetcode.com/problems/palindrome-permutation
 175,Combine Two Tables,60.8%,Easy,0.09043413926771789, https://leetcode.com/problems/combine-two-tables
 973,K Closest Points to Origin,63.8%,Medium,0.08860246722187161, https://leetcode.com/problems/k-closest-points-to-origin
 549,Binary Tree Longest Consecutive Sequence II,47.0%,Medium,0.08816278759467164, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence-ii
 256,Paint House,52.1%,Easy,0.08650924290928251, https://leetcode.com/problems/paint-house
 116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.08636683942300452, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
 771,Jewels and Stones,86.4%,Easy,0.08577683715610061, https://leetcode.com/problems/jewels-and-stones
 22,Generate Parentheses,62.7%,Medium,0.08480542001364956, https://leetcode.com/problems/generate-parentheses
 167,Two Sum II - Input array is sorted,54.1%,Easy,0.08467305686458218, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
 283,Move Zeroes,57.8%,Easy,0.08379761717276897, https://leetcode.com/problems/move-zeroes
 582,Kill Process,60.8%,Medium,0.08355588569097351, https://leetcode.com/problems/kill-process
 193,Valid Phone Numbers,25.3%,Easy,0.08269171584511335, https://leetcode.com/problems/valid-phone-numbers
 300,Longest Increasing Subsequence,42.6%,Medium,0.08107755786480896, https://leetcode.com/problems/longest-increasing-subsequence
 43,Multiply Strings,33.9%,Medium,0.07944184170158367, https://leetcode.com/problems/multiply-strings
 93,Restore IP Addresses,35.6%,Medium,0.07681317776161672, https://leetcode.com/problems/restore-ip-addresses
 1221,Split a String in Balanced Strings,83.3%,Easy,0.07634057217232601, https://leetcode.com/problems/split-a-string-in-balanced-strings
 77,Combinations,54.7%,Medium,0.07597820557665204, https://leetcode.com/problems/combinations
 41,First Missing Positive,32.0%,Hard,0.07584078645899876, https://leetcode.com/problems/first-missing-positive
 435,Non-overlapping Intervals,42.9%,Medium,0.07565042495900788, https://leetcode.com/problems/non-overlapping-intervals
 515,Find Largest Value in Each Tree Row,61.1%,Medium,0.07428007438287054, https://leetcode.com/problems/find-largest-value-in-each-tree-row
 273,Integer to English Words,27.1%,Hard,0.0732177031685638, https://leetcode.com/problems/integer-to-english-words
 37,Sudoku Solver,43.6%,Hard,0.07095173597228444, https://leetcode.com/problems/sudoku-solver
 632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.07082605256861242, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
 91,Decode Ways,24.7%,Medium,0.07076721180832166, https://leetcode.com/problems/decode-ways
 470,Implement Rand10() Using Rand7(),46.3%,Medium,0.07020425867324853, https://leetcode.com/problems/implement-rand10-using-rand7
 187,Repeated DNA Sequences,38.9%,Medium,0.06947237281476738, https://leetcode.com/problems/repeated-dna-sequences
 460,LFU Cache,34.2%,Hard,0.06836374280939023, https://leetcode.com/problems/lfu-cache
 39,Combination Sum,56.1%,Medium,0.0678648829148938, https://leetcode.com/problems/combination-sum
 1011,Capacity To Ship Packages Within D Days,58.1%,Medium,0.06649420875558125, https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
 419,Battleships in a Board,70.0%,Medium,0.06557337705569365, https://leetcode.com/problems/battleships-in-a-board
 51,N-Queens,46.6%,Hard,0.06402185876493102, https://leetcode.com/problems/n-queens
 772,Basic Calculator III,41.3%,Hard,0.06331227941432688, https://leetcode.com/problems/basic-calculator-iii
 647,Palindromic Substrings,60.6%,Medium,0.06329624434241725, https://leetcode.com/problems/palindromic-substrings
 10,Regular Expression Matching,26.8%,Hard,0.06289183612814463, https://leetcode.com/problems/regular-expression-matching
 322,Coin Change,35.5%,Medium,0.06260600694223208, https://leetcode.com/problems/coin-change
 1044,Longest Duplicate Substring,31.9%,Hard,0.062325463197828765, https://leetcode.com/problems/longest-duplicate-substring
 25,Reverse Nodes in k-Group,42.1%,Hard,0.062178154907672076, https://leetcode.com/problems/reverse-nodes-in-k-group
 353,Design Snake Game,34.2%,Medium,0.06053284922884233, https://leetcode.com/problems/design-snake-game
 333,Largest BST Subtree,35.8%,Medium,0.06053284922884233, https://leetcode.com/problems/largest-bst-subtree
 11,Container With Most Water,50.8%,Medium,0.060358007567261264, https://leetcode.com/problems/container-with-most-water
 448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.060138358738533404, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
 45,Jump Game II,30.6%,Hard,0.05822366027889668, https://leetcode.com/problems/jump-game-ii
 417,Pacific Atlantic Water Flow,41.1%,Medium,0.057523844138186606, https://leetcode.com/problems/pacific-atlantic-water-flow
 890,Find and Replace Pattern,73.4%,Medium,0.0568334747631659, https://leetcode.com/problems/find-and-replace-pattern
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.056692473087026664, https://leetcode.com/problems/binary-tree-level-order-traversal
 279,Perfect Squares,47.4%,Medium,0.05625780265009439, https://leetcode.com/problems/perfect-squares
 30,Substring with Concatenation of All Words,25.4%,Hard,0.05509349054082484, https://leetcode.com/problems/substring-with-concatenation-of-all-words
 149,Max Points on a Line,16.9%,Hard,0.0550597771830274, https://leetcode.com/problems/max-points-on-a-line
 594,Longest Harmonious Subsequence,46.6%,Easy,0.054435206555017046, https://leetcode.com/problems/longest-harmonious-subsequence
 557,Reverse Words in a String III,69.8%,Easy,0.05383068775874275, https://leetcode.com/problems/reverse-words-in-a-string-iii
 1275,Find Winner on a Tic Tac Toe Game,52.8%,Easy,0.05292240145434251, https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
 687,Longest Univalue Path,36.2%,Easy,0.05212529063213289, https://leetcode.com/problems/longest-univalue-path
 65,Valid Number,15.3%,Hard,0.05071509257901641, https://leetcode.com/problems/valid-number
 282,Expression Add Operators,35.5%,Hard,0.049982640867735496, https://leetcode.com/problems/expression-add-operators
 622,Design Circular Queue,43.7%,Medium,0.049844204077291364, https://leetcode.com/problems/design-circular-queue
 518,Coin Change 2,50.2%,Medium,0.04919528672454412, https://leetcode.com/problems/coin-change-2
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.048909503032274274, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 445,Add Two Numbers II,54.5%,Medium,0.04843561709959499, https://leetcode.com/problems/add-two-numbers-ii
 407,Trapping Rain Water II,42.4%,Hard,0.04797082778602956, https://leetcode.com/problems/trapping-rain-water-ii
 6,ZigZag Conversion,36.3%,Medium,0.04724990737071425, https://leetcode.com/problems/zigzag-conversion
 486,Predict the Winner,47.9%,Medium,0.047122970130097065, https://leetcode.com/problems/predict-the-winner
 336,Palindrome Pairs,33.7%,Hard,0.04690191367275952, https://leetcode.com/problems/palindrome-pairs
 215,Kth Largest Element in an Array,55.4%,Medium,0.04678657567912081, https://leetcode.com/problems/kth-largest-element-in-an-array
 359,Logger Rate Limiter,70.8%,Easy,0.0467617659080393, https://leetcode.com/problems/logger-rate-limiter
 453,Minimum Moves to Equal Array Elements,50.2%,Easy,0.04652001563489285, https://leetcode.com/problems/minimum-moves-to-equal-array-elements
 415,Add Strings,47.5%,Easy,0.04650270606183304, https://leetcode.com/problems/add-strings
 442,Find All Duplicates in an Array,67.8%,Medium,0.04590593720045213, https://leetcode.com/problems/find-all-duplicates-in-an-array
 191,Number of 1 Bits,49.8%,Easy,0.045812334709758235, https://leetcode.com/problems/number-of-1-bits
 454,4Sum II,53.1%,Medium,0.045188410854606134, https://leetcode.com/problems/4sum-ii
 198,House Robber,42.0%,Easy,0.045085832605679374, https://leetcode.com/problems/house-robber
 78,Subsets,62.0%,Medium,0.044263005655043326, https://leetcode.com/problems/subsets
 73,Set Matrix Zeroes,43.1%,Medium,0.043058140843689474, https://leetcode.com/problems/set-matrix-zeroes
 463,Island Perimeter,65.7%,Easy,0.04304053229416362, https://leetcode.com/problems/island-perimeter
 490,The Maze,51.4%,Medium,0.04287902305923364, https://leetcode.com/problems/the-maze
 338,Counting Bits,69.5%,Medium,0.0428445715346785, https://leetcode.com/problems/counting-bits
 540,Single Element in a Sorted Array,57.9%,Medium,0.042721256704769804, https://leetcode.com/problems/single-element-in-a-sorted-array
 229,Majority Element II,35.6%,Medium,0.04237922296886145, https://leetcode.com/problems/majority-element-ii
 674,Longest Continuous Increasing Subsequence,45.9%,Easy,0.04225980928988265, https://leetcode.com/problems/longest-continuous-increasing-subsequence
 29,Divide Two Integers,16.4%,Medium,0.04159641425367403, https://leetcode.com/problems/divide-two-integers
 169,Majority Element,58.7%,Easy,0.041581229756944955, https://leetcode.com/problems/majority-element
 13,Roman to Integer,55.7%,Easy,0.04121346863130292, https://leetcode.com/problems/roman-to-integer
 79,Word Search,35.6%,Medium,0.0408086655410548, https://leetcode.com/problems/word-search
 907,Sum of Subarray Minimums,32.3%,Medium,0.04069737616380998, https://leetcode.com/problems/sum-of-subarray-minimums
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.04033800644917969, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 234,Palindrome Linked List,39.3%,Easy,0.04008106350430711, https://leetcode.com/problems/palindrome-linked-list
 126,Word Ladder II,22.1%,Hard,0.04004093605556132, https://leetcode.com/problems/word-ladder-ii
 542,01 Matrix,39.8%,Medium,0.03998755762600926, https://leetcode.com/problems/01-matrix
 221,Maximal Square,37.7%,Medium,0.03897229680620825, https://leetcode.com/problems/maximal-square
 1060,Missing Element in Sorted Array,54.5%,Medium,0.03879796954098255, https://leetcode.com/problems/missing-element-in-sorted-array
 168,Excel Sheet Column Title,31.1%,Easy,0.03861483612777958, https://leetcode.com/problems/excel-sheet-column-title
 24,Swap Nodes in Pairs,50.4%,Medium,0.03826607060639552, https://leetcode.com/problems/swap-nodes-in-pairs
 560,Subarray Sum Equals K,43.9%,Medium,0.037871360699521406, https://leetcode.com/problems/subarray-sum-equals-k
 863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.037756162417993476, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
 32,Longest Valid Parentheses,28.4%,Hard,0.03595893038744387, https://leetcode.com/problems/longest-valid-parentheses
 59,Spiral Matrix II,53.9%,Medium,0.0351873674509732, https://leetcode.com/problems/spiral-matrix-ii
 28,Implement strStr(),34.5%,Easy,0.03494144277828229, https://leetcode.com/problems/implement-strstr
 374,Guess Number Higher or Lower,43.1%,Easy,0.03422387238757742, https://leetcode.com/problems/guess-number-higher-or-lower
 886,Possible Bipartition,44.2%,Medium,0.034103901828857086, https://leetcode.com/problems/possible-bipartition
 287,Find the Duplicate Number,55.5%,Medium,0.033896954598043594, https://leetcode.com/problems/find-the-duplicate-number
 561,Array Partition I,72.0%,Easy,0.033850542978687455, https://leetcode.com/problems/array-partition-i
 480,Sliding Window Median,37.2%,Hard,0.03373001037669306, https://leetcode.com/problems/sliding-window-median
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.03362699323605452, https://leetcode.com/problems/maximum-depth-of-binary-tree
 153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.033305576061673434, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
 516,Longest Palindromic Subsequence,53.2%,Medium,0.0332870969222259, https://leetcode.com/problems/longest-palindromic-subsequence
 617,Merge Two Binary Trees,74.1%,Easy,0.03264929866766111, https://leetcode.com/problems/merge-two-binary-trees
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.03200842244384717, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 1146,Snapshot Array,37.0%,Medium,0.0317991816929387, https://leetcode.com/problems/snapshot-array
 1114,Print in Order,65.7%,Easy,0.0317486983145803, https://leetcode.com/problems/print-in-order
 239,Sliding Window Maximum,43.0%,Hard,0.031228142547585713, https://leetcode.com/problems/sliding-window-maximum
 345,Reverse Vowels of a String,44.2%,Easy,0.031112084201956228, https://leetcode.com/problems/reverse-vowels-of-a-string
 304,Range Sum Query 2D - Immutable,38.6%,Medium,0.031036973995576488, https://leetcode.com/problems/range-sum-query-2d-immutable
 703,Kth Largest Element in a Stream,49.7%,Easy,0.031004894819414507, https://leetcode.com/problems/kth-largest-element-in-a-stream
 55,Jump Game,34.6%,Medium,0.030985252381807864, https://leetcode.com/problems/jump-game
 38,Count and Say,44.6%,Easy,0.030956234663467107, https://leetcode.com/problems/count-and-say
 179,Largest Number,28.8%,Medium,0.03093030069135863, https://leetcode.com/problems/largest-number
 530,Minimum Absolute Difference in BST,53.8%,Easy,0.030677252247047038, https://leetcode.com/problems/minimum-absolute-difference-in-bst
 207,Course Schedule,43.1%,Medium,0.030628389490117876, https://leetcode.com/problems/course-schedule
 316,Remove Duplicate Letters,35.8%,Hard,0.030443751414723153, https://leetcode.com/problems/remove-duplicate-letters
 101,Symmetric Tree,46.8%,Easy,0.030241699823103273, https://leetcode.com/problems/symmetric-tree
 135,Candy,31.6%,Hard,0.029764101906453892, https://leetcode.com/problems/candy
 1197,Minimum Knight Moves,36.1%,Medium,0.02969780239174205, https://leetcode.com/problems/minimum-knight-moves
 57,Insert Interval,33.5%,Hard,0.02927990558056596, https://leetcode.com/problems/insert-interval
 176,Second Highest Salary,31.6%,Easy,0.029252542837437355, https://leetcode.com/problems/second-highest-salary
 1108,Defanging an IP Address,87.5%,Easy,0.02901382119071579, https://leetcode.com/problems/defanging-an-ip-address
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.028950236662501776, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 349,Intersection of Two Arrays,62.5%,Easy,0.028691227482495342, https://leetcode.com/problems/intersection-of-two-arrays
 62,Unique Paths,54.1%,Medium,0.02853749186115581, https://leetcode.com/problems/unique-paths
 204,Count Primes,31.5%,Easy,0.02799343042200216, https://leetcode.com/problems/count-primes
 709,To Lower Case,79.3%,Easy,0.02780531308033682, https://leetcode.com/problems/to-lower-case
 811,Subdomain Visit Count,69.9%,Easy,0.02772180293027194, https://leetcode.com/problems/subdomain-visit-count
 68,Text Justification,27.7%,Hard,0.0276451606661453, https://leetcode.com/problems/text-justification
 498,Diagonal Traverse,48.2%,Medium,0.02756894104498661, https://leetcode.com/problems/diagonal-traverse
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.02730545069026746, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 931,Minimum Falling Path Sum,62.5%,Medium,0.02672169681715245, https://leetcode.com/problems/minimum-falling-path-sum
 373,Find K Pairs with Smallest Sums,36.7%,Medium,0.02626546261018635, https://leetcode.com/problems/find-k-pairs-with-smallest-sums
 378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.02599048981653746, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
 143,Reorder List,37.1%,Medium,0.025870945598649286, https://leetcode.com/problems/reorder-list
 961,N-Repeated Element in Size 2N Array,73.7%,Easy,0.025609594204324387, https://leetcode.com/problems/n-repeated-element-in-size-2n-array
 1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.025446665661164262, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
 83,Remove Duplicates from Sorted List,45.4%,Easy,0.025174394259350617, https://leetcode.com/problems/remove-duplicates-from-sorted-list
 162,Find Peak Element,43.3%,Medium,0.02516251642407408, https://leetcode.com/problems/find-peak-element
 230,Kth Smallest Element in a BST,60.2%,Medium,0.025107234408906165, https://leetcode.com/problems/kth-smallest-element-in-a-bst
 171,Excel Sheet Column Number,55.9%,Easy,0.025015200987536713, https://leetcode.com/problems/excel-sheet-column-number
 220,Contains Duplicate III,20.9%,Medium,0.024876904755404577, https://leetcode.com/problems/contains-duplicate-iii
 138,Copy List with Random Pointer,36.4%,Medium,0.02453734514188008, https://leetcode.com/problems/copy-list-with-random-pointer
 310,Minimum Height Trees,32.3%,Medium,0.02446605215440636, https://leetcode.com/problems/minimum-height-trees
 804,Unique Morse Code Words,77.0%,Easy,0.024332100659530644, https://leetcode.com/problems/unique-morse-code-words
 151,Reverse Words in a String,21.9%,Medium,0.024321004216273485, https://leetcode.com/problems/reverse-words-in-a-string
 64,Minimum Path Sum,54.5%,Medium,0.024287775531756203, https://leetcode.com/problems/minimum-path-sum
 1315,Sum of Nodes with Even-Valued Grandparent,83.5%,Medium,0.023981964686485415, https://leetcode.com/problems/sum-of-nodes-with-even-valued-grandparent
 326,Power of Three,42.1%,Easy,0.023341308632796296, https://leetcode.com/problems/power-of-three
 211,Add and Search Word - Data structure design,38.1%,Medium,0.02333525640896379, https://leetcode.com/problems/add-and-search-word-data-structure-design
 286,Walls and Gates,54.5%,Medium,0.02324334737232728, https://leetcode.com/problems/walls-and-gates
 210,Course Schedule II,40.7%,Medium,0.023133880315464483, https://leetcode.com/problems/course-schedule-ii
 766,Toeplitz Matrix,65.1%,Easy,0.02280600552903764, https://leetcode.com/problems/toeplitz-matrix
 199,Binary Tree Right Side View,54.1%,Medium,0.022539339846061532, https://leetcode.com/problems/binary-tree-right-side-view
 72,Edit Distance,44.8%,Hard,0.022400140173127806, https://leetcode.com/problems/edit-distance
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.022325470299025416, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 190,Reverse Bits,39.8%,Easy,0.022210041351742264, https://leetcode.com/problems/reverse-bits
 231,Power of Two,43.7%,Easy,0.021776810232970734, https://leetcode.com/problems/power-of-two
 40,Combination Sum II,48.2%,Medium,0.021424290044083395, https://leetcode.com/problems/combination-sum-ii
 543,Diameter of Binary Tree,48.4%,Easy,0.02105617995251665, https://leetcode.com/problems/diameter-of-binary-tree
 74,Search a 2D Matrix,36.5%,Medium,0.020896975877216107, https://leetcode.com/problems/search-a-2d-matrix
 670,Maximum Swap,43.6%,Medium,0.020844944430365928, https://leetcode.com/problems/maximum-swap
 60,Permutation Sequence,38.4%,Hard,0.020471543980187256, https://leetcode.com/problems/permutation-sequence
 69,Sqrt(x),33.9%,Easy,0.020253856904497686, https://leetcode.com/problems/sqrtx
 180,Consecutive Numbers,39.7%,Medium,0.02021291655585931, https://leetcode.com/problems/consecutive-numbers
 166,Fraction to Recurring Decimal,21.6%,Medium,0.02015181543730795, https://leetcode.com/problems/fraction-to-recurring-decimal
 525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
 63,Unique Paths II,34.6%,Medium,0.01949801804099658, https://leetcode.com/problems/unique-paths-ii
 669,Trim a Binary Search Tree,63.0%,Easy,0.019139340210697423, https://leetcode.com/problems/trim-a-binary-search-tree
 19,Remove Nth Node From End of List,35.2%,Medium,0.019074355670058666, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 173,Binary Search Tree Iterator,56.6%,Medium,0.01899993824490396, https://leetcode.com/problems/binary-search-tree-iterator
 721,Accounts Merge,48.8%,Medium,0.01888630262874805, https://leetcode.com/problems/accounts-merge
 209,Minimum Size Subarray Sum,38.2%,Medium,0.018832948333092125, https://leetcode.com/problems/minimum-size-subarray-sum
 184,Department Highest Salary,36.7%,Medium,0.018735911057469818, https://leetcode.com/problems/department-highest-salary
 450,Delete Node in a BST,43.1%,Medium,0.018536211907915243, https://leetcode.com/problems/delete-node-in-a-bst
 98,Validate Binary Search Tree,27.8%,Medium,0.01825801101705589, https://leetcode.com/problems/validate-binary-search-tree
 347,Top K Frequent Elements,61.2%,Medium,0.018049036874660983, https://leetcode.com/problems/top-k-frequent-elements
 406,Queue Reconstruction by Height,66.9%,Medium,0.01774669468133533, https://leetcode.com/problems/queue-reconstruction-by-height
 383,Ransom Note,53.1%,Easy,0.017621601349819518, https://leetcode.com/problems/ransom-note
 876,Middle of the Linked List,68.4%,Easy,0.01707497375257815, https://leetcode.com/problems/middle-of-the-linked-list
 95,Unique Binary Search Trees II,40.6%,Medium,0.016856699181010838, https://leetcode.com/problems/unique-binary-search-trees-ii
 628,Maximum Product of Three Numbers,47.1%,Easy,0.016529301951210565, https://leetcode.com/problems/maximum-product-of-three-numbers
 188,Best Time to Buy and Sell Stock IV,28.0%,Hard,0.01651565203072114, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
 1021,Remove Outermost Parentheses,78.0%,Easy,0.016434223613379935, https://leetcode.com/problems/remove-outermost-parentheses
 165,Compare Version Numbers,27.4%,Medium,0.01579187969789165, https://leetcode.com/problems/compare-version-numbers
 938,Range Sum of BST,81.3%,Easy,0.015707129205357877, https://leetcode.com/problems/range-sum-of-bst
 1002,Find Common Characters,67.6%,Easy,0.015273301861833809, https://leetcode.com/problems/find-common-characters
 118,Pascal's Triangle,52.5%,Easy,0.015123796918620345, https://leetcode.com/problems/pascals-triangle
 67,Add Binary,45.2%,Easy,0.014859727755020839, https://leetcode.com/problems/add-binary
 142,Linked List Cycle II,37.3%,Medium,0.014710955064667802, https://leetcode.com/problems/linked-list-cycle-ii
 301,Remove Invalid Parentheses,43.3%,Hard,0.01446679841775339, https://leetcode.com/problems/remove-invalid-parentheses
 912,Sort an Array,63.9%,Medium,0.01443026482902881, https://leetcode.com/problems/sort-an-array
 107,Binary Tree Level Order Traversal II,53.5%,Easy,0.014395642075089957, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
 371,Sum of Two Integers,50.7%,Medium,0.014064929467403538, https://leetcode.com/problems/sum-of-two-integers
 134,Gas Station,38.5%,Medium,0.01352742981715631, https://leetcode.com/problems/gas-station
 70,Climbing Stairs,47.8%,Easy,0.013494975575004323, https://leetcode.com/problems/climbing-stairs
 767,Reorganize String,48.7%,Medium,0.01329806830463147, https://leetcode.com/problems/reorganize-string
 219,Contains Duplicate II,37.7%,Easy,0.01276748910345265, https://leetcode.com/problems/contains-duplicate-ii
 695,Max Area of Island,62.7%,Medium,0.012686500631003836, https://leetcode.com/problems/max-area-of-island
 181,Employees Earning More Than Their Managers,56.9%,Easy,0.012618463959211509, https://leetcode.com/problems/employees-earning-more-than-their-managers
 226,Invert Binary Tree,65.0%,Easy,0.01235091863400913, https://leetcode.com/problems/invert-binary-tree
 112,Path Sum,41.2%,Easy,0.012265076074932503, https://leetcode.com/problems/path-sum
 9,Palindrome Number,48.4%,Easy,0.01209661684713821, https://leetcode.com/problems/palindrome-number
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.011261380272539033, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,0.010548621020744619, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
 92,Reverse Linked List II,38.8%,Medium,0.010427623162259089, https://leetcode.com/problems/reverse-linked-list-ii
 35,Search Insert Position,42.6%,Easy,0.010425207359624364, https://leetcode.com/problems/search-insert-position
 819,Most Common Word,44.8%,Easy,0.010269666637456105, https://leetcode.com/problems/most-common-word
 113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
 47,Permutations II,46.4%,Medium,0.009673594178378379, https://leetcode.com/problems/permutations-ii
 905,Sort Array By Parity,74.1%,Easy,0.009603915354180344, https://leetcode.com/problems/sort-array-by-parity
 96,Unique Binary Search Trees,52.9%,Medium,0.009242209964820877, https://leetcode.com/problems/unique-binary-search-trees
 208,Implement Trie (Prefix Tree),49.4%,Medium,0.009105457856626612, https://leetcode.com/problems/implement-trie-prefix-tree
 416,Partition Equal Subset Sum,43.7%,Medium,0.008686265255960345, https://leetcode.com/problems/partition-equal-subset-sum
 700,Search in a Binary Search Tree,73.1%,Easy,0.008512500860171227, https://leetcode.com/problems/search-in-a-binary-search-tree
 937,Reorder Data in Log Files,54.3%,Easy,0.008415787099648575, https://leetcode.com/problems/reorder-data-in-log-files
 763,Partition Labels,76.1%,Medium,0.008385793376274025, https://leetcode.com/problems/partition-labels
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.007782518973063169, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 240,Search a 2D Matrix II,43.2%,Medium,0.0075829747244553335, https://leetcode.com/problems/search-a-2d-matrix-ii
 66,Plus One,43.0%,Easy,0.007324847595025828, https://leetcode.com/problems/plus-one
 110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.006816368572598042, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 111,Minimum Depth of Binary Tree,37.4%,Easy,0.0066203485760693214, https://leetcode.com/problems/minimum-depth-of-binary-tree
 100,Same Tree,53.4%,Easy,0.005620163024677507, https://leetcode.com/problems/same-tree
 50,Pow(x, n),30.3%,Medium,0.0055950070772402055, https://leetcode.com/problems/powx-n
 621,Task Scheduler,50.1%,Medium,0.005261323957171611, https://leetcode.com/problems/task-scheduler
 237,Delete Node in a Linked List,63.8%,Easy,0.005144705881237697, https://leetcode.com/problems/delete-node-in-a-linked-list
 258,Add Digits,57.6%,Easy,0.004648528591812259, https://leetcode.com/problems/add-digits
 217,Contains Duplicate,56.0%,Easy,0.0037979536727587773, https://leetcode.com/problems/contains-duplicate
 203,Remove Linked List Elements,38.6%,Easy,0.0036496390875494257, https://leetcode.com/problems/remove-linked-list-elements
 94,Binary Tree Inorder Traversal,63.3%,Medium,0.0033551449021403577, https://leetcode.com/problems/binary-tree-inorder-traversal
 309,Best Time to Buy and Sell Stock with Cooldown,47.4%,Medium,0.0028498166907604426, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown
 260,Single Number III,64.3%,Medium,0.0020288097849578786, https://leetcode.com/problems/single-number-iii
--- a/apple_6months.csv
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 1095,Find in Mountain Array,35.8%,Hard,0.5901861366220961, https://leetcode.com/problems/find-in-mountain-array
 284,Peeking Iterator,45.7%,Medium,0.540892616315496, https://leetcode.com/problems/peeking-iterator
 1,Two Sum,45.6%,Easy,0.5261466153527387, https://leetcode.com/problems/two-sum
 391,Perfect Rectangle,30.5%,Hard,0.46850000514186985, https://leetcode.com/problems/perfect-rectangle
 428,Serialize and Deserialize N-ary Tree,59.4%,Hard,0.41085339493100104, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
 146,LRU Cache,33.2%,Medium,0.3532067847201322, https://leetcode.com/problems/lru-cache
 1229,Meeting Scheduler,52.7%,Medium,0.2955601745092634, https://leetcode.com/problems/meeting-scheduler
 981,Time Based Key-Value Store,53.1%,Medium,0.24353082235287765, https://leetcode.com/problems/time-based-key-value-store
 295,Find Median from Data Stream,44.3%,Hard,0.24172686903184679, https://leetcode.com/problems/find-median-from-data-stream
 212,Word Search II,34.9%,Hard,0.22101415243595443, https://leetcode.com/problems/word-search-ii
 4,Median of Two Sorted Arrays,29.6%,Hard,0.17519711082846595, https://leetcode.com/problems/median-of-two-sorted-arrays
 341,Flatten Nested List Iterator,52.9%,Medium,0.16689882926772934, https://leetcode.com/problems/flatten-nested-list-iterator
 53,Maximum Subarray,46.5%,Easy,0.16188416901715558, https://leetcode.com/problems/maximum-subarray
 546,Remove Boxes,42.7%,Hard,0.14361551169114867, https://leetcode.com/problems/remove-boxes
 836,Rectangle Overlap,48.6%,Easy,0.14261022668001652, https://leetcode.com/problems/rectangle-overlap
 348,Design Tic-Tac-Toe,54.3%,Medium,0.14252878462127264, https://leetcode.com/problems/design-tic-tac-toe
 200,Number of Islands,46.8%,Medium,0.13260852442964066, https://leetcode.com/problems/number-of-islands
 49,Group Anagrams,56.9%,Medium,0.1285763065181971, https://leetcode.com/problems/group-anagrams
 2,Add Two Numbers,33.9%,Medium,0.12829971534891174, https://leetcode.com/problems/add-two-numbers
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.11459264165812869, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 311,Sparse Matrix Multiplication,61.9%,Medium,0.10648348040245009, https://leetcode.com/problems/sparse-matrix-multiplication
 403,Frog Jump,39.7%,Hard,0.0998958412956442, https://leetcode.com/problems/frog-jump
 658,Find K Closest Elements,40.9%,Medium,0.0995648587647672, https://leetcode.com/problems/find-k-closest-elements
 609,Find Duplicate File in System,59.5%,Medium,0.09898183354885093, https://leetcode.com/problems/find-duplicate-file-in-system
 837,New 21 Game,34.6%,Medium,0.09646026618756222, https://leetcode.com/problems/new-21-game
 87,Scramble String,33.7%,Hard,0.09333193979221914, https://leetcode.com/problems/scramble-string
 139,Word Break,40.1%,Medium,0.09308175178767038, https://leetcode.com/problems/word-break
 36,Valid Sudoku,48.7%,Medium,0.08547738976568439, https://leetcode.com/problems/valid-sudoku
 42,Trapping Rain Water,48.9%,Hard,0.08461041545209161, https://leetcode.com/problems/trapping-rain-water
 688,Knight Probability in Chessboard,48.9%,Medium,0.08392620769993404, https://leetcode.com/problems/knight-probability-in-chessboard
 909,Snakes and Ladders,38.4%,Medium,0.08392620769993404, https://leetcode.com/problems/snakes-and-ladders
 636,Exclusive Time of Functions,52.0%,Medium,0.08155306616046964, https://leetcode.com/problems/exclusive-time-of-functions
 729,My Calendar I,51.8%,Medium,0.0801854119192299, https://leetcode.com/problems/my-calendar-i
 97,Interleaving String,31.5%,Hard,0.07948571541724253, https://leetcode.com/problems/interleaving-string
 128,Longest Consecutive Sequence,45.1%,Hard,0.0786603197723907, https://leetcode.com/problems/longest-consecutive-sequence
 269,Alien Dictionary,33.3%,Hard,0.0770322180463687, https://leetcode.com/problems/alien-dictionary
 351,Android Unlock Patterns,48.4%,Medium,0.07197349962508924, https://leetcode.com/problems/android-unlock-patterns
 632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.07082605256861242, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
 187,Repeated DNA Sequences,38.9%,Medium,0.06947237281476738, https://leetcode.com/problems/repeated-dna-sequences
 178,Rank Scores,45.8%,Medium,0.06551667145414991, https://leetcode.com/problems/rank-scores
 23,Merge k Sorted Lists,40.2%,Hard,0.06293239083543646, https://leetcode.com/problems/merge-k-sorted-lists
 472,Concatenated Words,43.7%,Hard,0.06120196522807572, https://leetcode.com/problems/concatenated-words
 48,Rotate Image,56.7%,Medium,0.06069974483040549, https://leetcode.com/problems/rotate-image
 88,Merge Sorted Array,39.4%,Easy,0.059258174101133876, https://leetcode.com/problems/merge-sorted-array
 54,Spiral Matrix,34.1%,Medium,0.05783815482970009, https://leetcode.com/problems/spiral-matrix
 362,Design Hit Counter,63.7%,Medium,0.05622967649867821, https://leetcode.com/problems/design-hit-counter
 56,Merge Intervals,39.3%,Medium,0.054167920212564245, https://leetcode.com/problems/merge-intervals
 1221,Split a String in Balanced Strings,83.3%,Easy,0.05362640133807673, https://leetcode.com/problems/split-a-string-in-balanced-strings
 1275,Find Winner on a Tic Tac Toe Game,52.8%,Easy,0.05292240145434251, https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
 12,Integer to Roman,55.1%,Medium,0.05217122936969127, https://leetcode.com/problems/integer-to-roman
 14,Longest Common Prefix,35.4%,Easy,0.051846064173015856, https://leetcode.com/problems/longest-common-prefix
 253,Meeting Rooms II,45.7%,Medium,0.04945628059066218, https://leetcode.com/problems/meeting-rooms-ii
 388,Longest Absolute File Path,41.8%,Medium,0.04849434993861047, https://leetcode.com/problems/longest-absolute-file-path
 238,Product of Array Except Self,60.1%,Medium,0.04711503937510501, https://leetcode.com/problems/product-of-array-except-self
 453,Minimum Moves to Equal Array Elements,50.2%,Easy,0.04652001563489285, https://leetcode.com/problems/minimum-moves-to-equal-array-elements
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.04601922329309672, https://leetcode.com/problems/longest-substring-without-repeating-characters
 223,Rectangle Area,37.8%,Medium,0.04598511324182338, https://leetcode.com/problems/rectangle-area
 93,Restore IP Addresses,35.6%,Medium,0.04393092922572675, https://leetcode.com/problems/restore-ip-addresses
 642,Design Search Autocomplete System,44.7%,Hard,0.04334372921647208, https://leetcode.com/problems/design-search-autocomplete-system
 490,The Maze,51.4%,Medium,0.04287902305923364, https://leetcode.com/problems/the-maze
 545,Boundary of Binary Tree,38.9%,Medium,0.04158603377810283, https://leetcode.com/problems/boundary-of-binary-tree
 266,Palindrome Permutation,61.9%,Easy,0.04158603377810283, https://leetcode.com/problems/palindrome-permutation
 37,Sudoku Solver,43.6%,Hard,0.040527833612118376, https://leetcode.com/problems/sudoku-solver
 18,4Sum,33.7%,Medium,0.03880215185647971, https://leetcode.com/problems/4sum
 168,Excel Sheet Column Title,31.1%,Easy,0.03861483612777958, https://leetcode.com/problems/excel-sheet-column-title
 202,Happy Number,50.4%,Easy,0.03853744444187023, https://leetcode.com/problems/happy-number
 863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.037756162417993476, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.03759448672488506, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 206,Reverse Linked List,62.5%,Easy,0.03679633286058156, https://leetcode.com/problems/reverse-linked-list
 5,Longest Palindromic Substring,29.5%,Medium,0.035860192879893796, https://leetcode.com/problems/longest-palindromic-substring
 886,Possible Bipartition,44.2%,Medium,0.034103901828857086, https://leetcode.com/problems/possible-bipartition
 480,Sliding Window Median,37.2%,Hard,0.03373001037669306, https://leetcode.com/problems/sliding-window-median
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.03228400889291332, https://leetcode.com/problems/binary-tree-level-order-traversal
 133,Clone Graph,34.8%,Medium,0.03215711163453134, https://leetcode.com/problems/clone-graph
 177,Nth Highest Salary,31.4%,Medium,0.032054026290083464, https://leetcode.com/problems/nth-highest-salary
 867,Transpose Matrix,62.8%,Easy,0.031179454774354007, https://leetcode.com/problems/transpose-matrix
 179,Largest Number,28.8%,Medium,0.03093030069135863, https://leetcode.com/problems/largest-number
 75,Sort Colors,47.3%,Medium,0.030801991570373215, https://leetcode.com/problems/sort-colors
 13,Roman to Integer,55.7%,Easy,0.030443751414723153, https://leetcode.com/problems/roman-to-integer
 415,Add Strings,47.5%,Easy,0.030009753867991852, https://leetcode.com/problems/add-strings
 135,Candy,31.6%,Hard,0.029764101906453892, https://leetcode.com/problems/candy
 297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.028013036227673965, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
 518,Coin Change 2,50.2%,Medium,0.027969505010125056, https://leetcode.com/problems/coin-change-2
 227,Basic Calculator II,36.9%,Medium,0.027685557859864054, https://leetcode.com/problems/basic-calculator-ii
 273,Integer to English Words,27.1%,Hard,0.026980053764546055, https://leetcode.com/problems/integer-to-english-words
 986,Interval List Intersections,67.3%,Medium,0.026731618438329555, https://leetcode.com/problems/interval-list-intersections
 931,Minimum Falling Path Sum,62.5%,Medium,0.02672169681715245, https://leetcode.com/problems/minimum-falling-path-sum
 15,3Sum,26.8%,Medium,0.02661031301111795, https://leetcode.com/problems/3sum
 417,Pacific Atlantic Water Flow,41.1%,Medium,0.025975486403260657, https://leetcode.com/problems/pacific-atlantic-water-flow
 143,Reorder List,37.1%,Medium,0.025870945598649286, https://leetcode.com/problems/reorder-list
 283,Move Zeroes,57.8%,Easy,0.025673520193393074, https://leetcode.com/problems/move-zeroes
 218,The Skyline Problem,34.6%,Hard,0.025479085300984906, https://leetcode.com/problems/the-skyline-problem
 733,Flood Fill,55.3%,Easy,0.02506396866321625, https://leetcode.com/problems/flood-fill
 140,Word Break II,32.6%,Hard,0.024104005752813337, https://leetcode.com/problems/word-break-ii
 31,Next Permutation,32.6%,Medium,0.023747034562878154, https://leetcode.com/problems/next-permutation
 8,String to Integer (atoi),15.4%,Medium,0.023470848345506903, https://leetcode.com/problems/string-to-integer-atoi
 198,House Robber,42.0%,Easy,0.023256862164267263, https://leetcode.com/problems/house-robber
 647,Palindromic Substrings,60.6%,Medium,0.023250853650202817, https://leetcode.com/problems/palindromic-substrings
 25,Reverse Nodes in k-Group,42.1%,Hard,0.022832042042645793, https://leetcode.com/problems/reverse-nodes-in-k-group
 622,Design Circular Queue,43.7%,Medium,0.02246023667974994, https://leetcode.com/problems/design-circular-queue
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.022033389270751453, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 287,Find the Duplicate Number,55.5%,Medium,0.021825992579766168, https://leetcode.com/problems/find-the-duplicate-number
 359,Logger Rate Limiter,70.8%,Easy,0.021053409197832343, https://leetcode.com/problems/logger-rate-limiter
 670,Maximum Swap,43.6%,Medium,0.020844944430365928, https://leetcode.com/problems/maximum-swap
 33,Search in Rotated Sorted Array,34.5%,Medium,0.0200182839715896, https://leetcode.com/problems/search-in-rotated-sorted-array
 525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
 268,Missing Number,51.7%,Easy,0.019380451549662482, https://leetcode.com/problems/missing-number
 669,Trim a Binary Search Tree,63.0%,Easy,0.019139340210697423, https://leetcode.com/problems/trim-a-binary-search-tree
 515,Find Largest Value in Each Tree Row,61.1%,Medium,0.019093658815579673, https://leetcode.com/problems/find-largest-value-in-each-tree-row
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.018954919107260947, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 617,Merge Two Binary Trees,74.1%,Easy,0.018496211633622316, https://leetcode.com/problems/merge-two-binary-trees
 394,Decode String,50.0%,Medium,0.0182820448374491, https://leetcode.com/problems/decode-string
 126,Word Ladder II,22.1%,Hard,0.017994187717865196, https://leetcode.com/problems/word-ladder-ii
 542,01 Matrix,39.8%,Medium,0.01796993548494071, https://leetcode.com/problems/01-matrix
 706,Design HashMap,61.3%,Easy,0.01752893260576219, https://leetcode.com/problems/design-hashmap
 16,3Sum Closest,46.0%,Medium,0.016854331554982106, https://leetcode.com/problems/3sum-closest
 46,Permutations,63.5%,Medium,0.016759583649075344, https://leetcode.com/problems/permutations
 387,First Unique Character in a String,53.4%,Easy,0.016637588725633846, https://leetcode.com/problems/first-unique-character-in-a-string
 7,Reverse Integer,25.8%,Easy,0.016627790608488954, https://leetcode.com/problems/reverse-integer
 242,Valid Anagram,56.9%,Easy,0.016513947375674708, https://leetcode.com/problems/valid-anagram
 509,Fibonacci Number,67.2%,Easy,0.01593518138579736, https://leetcode.com/problems/fibonacci-number
 125,Valid Palindrome,36.7%,Easy,0.01582781088607703, https://leetcode.com/problems/valid-palindrome
 59,Spiral Matrix II,53.9%,Medium,0.01579187969789165, https://leetcode.com/problems/spiral-matrix-ii
 86,Partition List,41.5%,Medium,0.01578564744229187, https://leetcode.com/problems/partition-list
 1002,Find Common Characters,67.6%,Easy,0.015273301861833809, https://leetcode.com/problems/find-common-characters
 528,Random Pick with Weight,43.9%,Medium,0.014831565905995232, https://leetcode.com/problems/random-pick-with-weight
 41,First Missing Positive,32.0%,Hard,0.014368063266920193, https://leetcode.com/problems/first-missing-positive
 371,Sum of Two Integers,50.7%,Medium,0.014064929467403538, https://leetcode.com/problems/sum-of-two-integers
 21,Merge Two Sorted Lists,53.5%,Easy,0.014012111332134735, https://leetcode.com/problems/merge-two-sorted-lists
 443,String Compression,41.3%,Easy,0.01390843004613198, https://leetcode.com/problems/string-compression
 141,Linked List Cycle,41.1%,Easy,0.01390238743679306, https://leetcode.com/problems/linked-list-cycle
 703,Kth Largest Element in a Stream,49.7%,Easy,0.013898764390814973, https://leetcode.com/problems/kth-largest-element-in-a-stream
 332,Reconstruct Itinerary,36.7%,Medium,0.013755375068485329, https://leetcode.com/problems/reconstruct-itinerary
 767,Reorganize String,48.7%,Medium,0.01329806830463147, https://leetcode.com/problems/reorganize-string
 120,Triangle,44.2%,Medium,0.013236460625830901, https://leetcode.com/problems/triangle
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.01297035044262745, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 77,Combinations,54.7%,Medium,0.01255115315451512, https://leetcode.com/problems/combinations
 167,Two Sum II - Input array is sorted,54.1%,Easy,0.012349223898473458, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
 445,Add Two Numbers II,54.5%,Medium,0.01233061245747872, https://leetcode.com/problems/add-two-numbers-ii
 442,Find All Duplicates in an Array,67.8%,Medium,0.011675555865241341, https://leetcode.com/problems/find-all-duplicates-in-an-array
 136,Single Number,65.5%,Easy,0.011429512235126808, https://leetcode.com/problems/single-number
 232,Implement Queue using Stacks,49.6%,Easy,0.011242389348933884, https://leetcode.com/problems/implement-queue-using-stacks
 171,Excel Sheet Column Number,55.9%,Easy,0.011195191092491645, https://leetcode.com/problems/excel-sheet-column-number
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.011105055822701604, https://leetcode.com/problems/maximum-depth-of-binary-tree
 155,Min Stack,44.5%,Easy,0.010653509851791077, https://leetcode.com/problems/min-stack
 211,Add and Search Word - Data structure design,38.1%,Medium,0.010438508143923443, https://leetcode.com/problems/add-and-search-word-data-structure-design
 234,Palindrome Linked List,39.3%,Easy,0.010171877938733932, https://leetcode.com/problems/palindrome-linked-list
 221,Maximal Square,37.7%,Medium,0.00988638798855515, https://leetcode.com/problems/maximal-square
 22,Generate Parentheses,62.7%,Medium,0.009785877810632554, https://leetcode.com/problems/generate-parentheses
 47,Permutations II,46.4%,Medium,0.009673594178378379, https://leetcode.com/problems/permutations-ii
 905,Sort Array By Parity,74.1%,Easy,0.009603915354180344, https://leetcode.com/problems/sort-array-by-parity
 151,Reverse Words in a String,21.9%,Medium,0.009570916441992467, https://leetcode.com/problems/reverse-words-in-a-string
 45,Jump Game II,30.6%,Hard,0.009546611883579968, https://leetcode.com/problems/jump-game-ii
 347,Top K Frequent Elements,61.2%,Medium,0.009249390740121013, https://leetcode.com/problems/top-k-frequent-elements
 43,Multiply Strings,33.9%,Medium,0.009145011150062768, https://leetcode.com/problems/multiply-strings
 32,Longest Valid Parentheses,28.4%,Hard,0.009111680351255843, https://leetcode.com/problems/longest-valid-parentheses
 322,Coin Change,35.5%,Medium,0.00904437880665999, https://leetcode.com/problems/coin-change
 28,Implement strStr(),34.5%,Easy,0.008850485542574548, https://leetcode.com/problems/implement-strstr
 215,Kth Largest Element in an Array,55.4%,Medium,0.008759180089881562, https://leetcode.com/problems/kth-largest-element-in-an-array
 977,Squares of a Sorted Array,72.1%,Easy,0.008733679968754604, https://leetcode.com/problems/squares-of-a-sorted-array
 153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.008430963288799368, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
 239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
 175,Combine Two Tables,60.8%,Easy,0.007696786120491369, https://leetcode.com/problems/combine-two-tables
 240,Search a 2D Matrix II,43.2%,Medium,0.0075829747244553335, https://leetcode.com/problems/search-a-2d-matrix-ii
 692,Top K Frequent Words,51.8%,Medium,0.007516006820935329, https://leetcode.com/problems/top-k-frequent-words
 191,Number of 1 Bits,49.8%,Easy,0.007472480128219255, https://leetcode.com/problems/number-of-1-bits
 176,Second Highest Salary,31.6%,Easy,0.007393749024938284, https://leetcode.com/problems/second-highest-salary
 344,Reverse String,68.5%,Easy,0.00734157796234515, https://leetcode.com/problems/reverse-string
 73,Set Matrix Zeroes,43.1%,Medium,0.0070151111959223245, https://leetcode.com/problems/set-matrix-zeroes
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.006896579059060353, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 11,Container With Most Water,50.8%,Medium,0.006889188300412141, https://leetcode.com/problems/container-with-most-water
 448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.006863444924982415, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
 9,Palindrome Number,48.4%,Easy,0.006822343017166543, https://leetcode.com/problems/palindrome-number
 29,Divide Two Integers,16.4%,Medium,0.006772799340092467, https://leetcode.com/problems/divide-two-integers
 118,Pascal's Triangle,52.5%,Easy,0.006749941254175012, https://leetcode.com/problems/pascals-triangle
 142,Linked List Cycle II,37.3%,Medium,0.006564934131150057, https://leetcode.com/problems/linked-list-cycle-ii
 83,Remove Duplicates from Sorted List,45.4%,Easy,0.006353261522609498, https://leetcode.com/problems/remove-duplicates-from-sorted-list
 162,Find Peak Element,43.3%,Medium,0.006350235659345837, https://leetcode.com/problems/find-peak-element
 76,Minimum Window Substring,34.6%,Hard,0.006231520398723243, https://leetcode.com/problems/minimum-window-substring
 24,Swap Nodes in Pairs,50.4%,Medium,0.0062218275061505365, https://leetcode.com/problems/swap-nodes-in-pairs
 127,Word Ladder,29.6%,Medium,0.005979091056058075, https://leetcode.com/problems/word-ladder
 973,K Closest Points to Origin,63.8%,Medium,0.005773688094426333, https://leetcode.com/problems/k-closest-points-to-origin
 39,Combination Sum,56.1%,Medium,0.005715934396440999, https://leetcode.com/problems/combination-sum
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.005531752454833179, https://leetcode.com/problems/binary-tree-maximum-path-sum
 226,Invert Binary Tree,65.0%,Easy,0.005508138409792252, https://leetcode.com/problems/invert-binary-tree
 300,Longest Increasing Subsequence,42.6%,Medium,0.005264555460003242, https://leetcode.com/problems/longest-increasing-subsequence
 350,Intersection of Two Arrays II,51.4%,Easy,0.005210380421193978, https://leetcode.com/problems/intersection-of-two-arrays-ii
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.004714210262726446, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 169,Majority Element,58.7%,Easy,0.004706444738837472, https://leetcode.com/problems/majority-element
 35,Search Insert Position,42.6%,Easy,0.004646848510375352, https://leetcode.com/problems/search-insert-position
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.0044018999217624675, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 210,Course Schedule II,40.7%,Medium,0.0042893974831731225, https://leetcode.com/problems/course-schedule-ii
 190,Reverse Bits,39.8%,Easy,0.004116549745909879, https://leetcode.com/problems/reverse-bits
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.003839922800048048, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 67,Add Binary,45.2%,Easy,0.003735684238128885, https://leetcode.com/problems/add-binary
 78,Subsets,62.0%,Medium,0.00368765975195334, https://leetcode.com/problems/subsets
 70,Climbing Stairs,47.8%,Easy,0.00339085548316782, https://leetcode.com/problems/climbing-stairs
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.0033545821461532107, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 66,Plus One,43.0%,Easy,0.00326211347832938, https://leetcode.com/problems/plus-one
 20,Valid Parentheses,39.0%,Easy,0.0023005704055949323, https://leetcode.com/problems/valid-parentheses
 260,Single Number III,64.3%,Medium,0.0020288097849578786, https://leetcode.com/problems/single-number-iii
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0019513153174351963, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 79,Word Search,35.6%,Medium,0.0016647248725526849, https://leetcode.com/problems/word-search
--- a/apple_alltime.csv
+++ b/apple_alltime.csv
@@ -0,0 +1,366 @@
 1,Two Sum,45.6%,Easy,2.44165352519978, https://leetcode.com/problems/two-sum
 146,LRU Cache,33.2%,Medium,2.288507627845124, https://leetcode.com/problems/lru-cache
 403,Frog Jump,39.7%,Hard,2.1353617304904677, https://leetcode.com/problems/frog-jump
 54,Spiral Matrix,34.1%,Medium,1.9822158331358115, https://leetcode.com/problems/spiral-matrix
 2,Add Two Numbers,33.9%,Medium,1.9375806091809586, https://leetcode.com/problems/add-two-numbers
 284,Peeking Iterator,45.7%,Medium,1.8988473588427888, https://leetcode.com/problems/peeking-iterator
 4,Median of Two Sorted Arrays,29.6%,Hard,1.7457014614881325, https://leetcode.com/problems/median-of-two-sorted-arrays
 53,Maximum Subarray,46.5%,Easy,1.6039792365262746, https://leetcode.com/problems/maximum-subarray
 341,Flatten Nested List Iterator,52.9%,Medium,1.5961203655643161, https://leetcode.com/problems/flatten-nested-list-iterator
 42,Trapping Rain Water,48.9%,Hard,1.4504927724580507, https://leetcode.com/problems/trapping-rain-water
 391,Perfect Rectangle,30.5%,Hard,1.2973468751033945, https://leetcode.com/problems/perfect-rectangle
 206,Reverse Linked List,62.5%,Easy,1.2889543040599838, https://leetcode.com/problems/reverse-linked-list
 295,Find Median from Data Stream,44.3%,Hard,1.2415624618248458, https://leetcode.com/problems/find-median-from-data-stream
 200,Number of Islands,46.8%,Medium,1.2336678652006239, https://leetcode.com/problems/number-of-islands
 5,Longest Palindromic Substring,29.5%,Medium,1.2049820501287227, https://leetcode.com/problems/longest-palindromic-substring
 218,The Skyline Problem,34.6%,Hard,1.2026816485623162, https://leetcode.com/problems/the-skyline-problem
 1095,Find in Mountain Array,35.8%,Hard,1.2013559031699637, https://leetcode.com/problems/find-in-mountain-array
 97,Interleaving String,31.5%,Hard,1.1879190873014442, https://leetcode.com/problems/interleaving-string
 479,Largest Palindrome Product,29.0%,Hard,1.1700712526502546, https://leetcode.com/problems/largest-palindrome-product
 393,UTF-8 Validation,37.5%,Medium,1.1560693436928968, https://leetcode.com/problems/utf-8-validation
 238,Product of Array Except Self,60.1%,Medium,1.125997958136907, https://leetcode.com/problems/product-of-array-except-self
 311,Sparse Matrix Multiplication,61.9%,Medium,1.1083957349771807, https://leetcode.com/problems/sparse-matrix-multiplication
 8,String to Integer (atoi),15.4%,Medium,1.0728242725044976, https://leetcode.com/problems/string-to-integer-atoi
 428,Serialize and Deserialize N-ary Tree,59.4%,Hard,1.0697178226683948, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
 348,Design Tic-Tac-Toe,54.3%,Medium,1.0191481173138628, https://leetcode.com/problems/design-tic-tac-toe
 56,Merge Intervals,39.3%,Medium,1.01565662402753, https://leetcode.com/problems/merge-intervals
 15,3Sum,26.8%,Medium,1.0028066641920665, https://leetcode.com/problems/3sum
 202,Happy Number,50.4%,Easy,0.9974860771490718, https://leetcode.com/problems/happy-number
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.9678875215177066, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 49,Group Anagrams,56.9%,Medium,0.9561708823315207, https://leetcode.com/problems/group-anagrams
 23,Merge k Sorted Lists,40.2%,Hard,0.9024122656636089, https://leetcode.com/problems/merge-k-sorted-lists
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.8759518910272411, https://leetcode.com/problems/longest-substring-without-repeating-characters
 21,Merge Two Sorted Lists,53.5%,Easy,0.8331029734573284, https://leetcode.com/problems/merge-two-sorted-lists
 139,Word Break,40.1%,Medium,0.7861844908659293, https://leetcode.com/problems/word-break
 351,Android Unlock Patterns,48.4%,Medium,0.7857399673877702, https://leetcode.com/problems/android-unlock-patterns
 20,Valid Parentheses,39.0%,Easy,0.7728842221115333, https://leetcode.com/problems/valid-parentheses
 269,Alien Dictionary,33.3%,Hard,0.7683984542353193, https://leetcode.com/problems/alien-dictionary
 212,Word Search II,34.9%,Hard,0.7375344172881568, https://leetcode.com/problems/word-search-ii
 149,Max Points on a Line,16.9%,Hard,0.7241094061639122, https://leetcode.com/problems/max-points-on-a-line
 33,Search in Rotated Sorted Array,34.5%,Medium,0.7169635384120102, https://leetcode.com/problems/search-in-rotated-sorted-array
 48,Rotate Image,56.7%,Medium,0.6937855463652177, https://leetcode.com/problems/rotate-image
 242,Valid Anagram,56.9%,Easy,0.6931992137571369, https://leetcode.com/problems/valid-anagram
 7,Reverse Integer,25.8%,Easy,0.6643014117400133, https://leetcode.com/problems/reverse-integer
 204,Count Primes,31.5%,Easy,0.6619706759370921, https://leetcode.com/problems/count-primes
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.6562442821203051, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 227,Basic Calculator II,36.9%,Medium,0.642608764196984, https://leetcode.com/problems/basic-calculator-ii
 412,Fizz Buzz,62.3%,Easy,0.6260403395391076, https://leetcode.com/problems/fizz-buzz
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.6154427600124589, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 472,Concatenated Words,43.7%,Hard,0.6143892946481566, https://leetcode.com/problems/concatenated-words
 387,First Unique Character in a String,53.4%,Easy,0.599968522143342, https://leetcode.com/problems/first-unique-character-in-a-string
 688,Knight Probability in Chessboard,48.9%,Medium,0.581062856900522, https://leetcode.com/problems/knight-probability-in-chessboard
 281,Zigzag Iterator,58.4%,Medium,0.5665602602882338, https://leetcode.com/problems/zigzag-iterator
 344,Reverse String,68.5%,Easy,0.5520785062823355, https://leetcode.com/problems/reverse-string
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.5382766101249649, https://leetcode.com/problems/insert-delete-getrandom-o1
 12,Integer to Roman,55.1%,Medium,0.527144190884061, https://leetcode.com/problems/integer-to-roman
 322,Coin Change,35.5%,Medium,0.5202300817939691, https://leetcode.com/problems/coin-change
 545,Boundary of Binary Tree,38.9%,Medium,0.5184398737512361, https://leetcode.com/problems/boundary-of-binary-tree
 394,Decode String,50.0%,Medium,0.5093485186229775, https://leetcode.com/problems/decode-string
 36,Valid Sudoku,48.7%,Medium,0.505273909298483, https://leetcode.com/problems/valid-sudoku
 297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.4952936935923334, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.4854623787914392, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 125,Valid Palindrome,36.7%,Easy,0.48439503752030155, https://leetcode.com/problems/valid-palindrome
 251,Flatten 2D Vector,45.7%,Medium,0.4808790962829651, https://leetcode.com/problems/flatten-2d-vector
 45,Jump Game II,30.6%,Hard,0.47865910784592636, https://leetcode.com/problems/jump-game-ii
 46,Permutations,63.5%,Medium,0.4752581007118412, https://leetcode.com/problems/permutations
 191,Number of 1 Bits,49.8%,Easy,0.4747037980781537, https://leetcode.com/problems/number-of-1-bits
 14,Longest Common Prefix,35.4%,Easy,0.47383141489567654, https://leetcode.com/problems/longest-common-prefix
 31,Next Permutation,32.6%,Medium,0.4704916447217573, https://leetcode.com/problems/next-permutation
 771,Jewels and Stones,86.4%,Easy,0.4651251797550661, https://leetcode.com/problems/jewels-and-stones
 724,Find Pivot Index,44.0%,Easy,0.4632690080861186, https://leetcode.com/problems/find-pivot-index
 336,Palindrome Pairs,33.7%,Hard,0.462623521948113, https://leetcode.com/problems/palindrome-pairs
 155,Min Stack,44.5%,Easy,0.421871495581358, https://leetcode.com/problems/min-stack
 177,Nth Highest Salary,31.4%,Medium,0.41948151008170015, https://leetcode.com/problems/nth-highest-salary
 253,Meeting Rooms II,45.7%,Medium,0.41816049272375677, https://leetcode.com/problems/meeting-rooms-ii
 273,Integer to English Words,27.1%,Hard,0.4144392041299435, https://leetcode.com/problems/integer-to-english-words
 460,LFU Cache,34.2%,Hard,0.40755934971127916, https://leetcode.com/problems/lfu-cache
 836,Rectangle Overlap,48.6%,Easy,0.4032144677719462, https://leetcode.com/problems/rectangle-overlap
 1229,Meeting Scheduler,52.7%,Medium,0.40225040958769004, https://leetcode.com/problems/meeting-scheduler
 13,Roman to Integer,55.7%,Easy,0.40185220095239377, https://leetcode.com/problems/roman-to-integer
 175,Combine Two Tables,60.8%,Easy,0.4017882776475531, https://leetcode.com/problems/combine-two-tables
 419,Battleships in a Board,70.0%,Medium,0.3933437475758196, https://leetcode.com/problems/battleships-in-a-board
 909,Snakes and Ladders,38.4%,Medium,0.38977851194046487, https://leetcode.com/problems/snakes-and-ladders
 733,Flood Fill,55.3%,Easy,0.38973764039563735, https://leetcode.com/problems/flood-fill
 981,Time Based Key-Value Store,53.1%,Medium,0.3755723540313778, https://leetcode.com/problems/time-based-key-value-store
 279,Perfect Squares,47.4%,Medium,0.3741145782240884, https://leetcode.com/problems/perfect-squares
 138,Copy List with Random Pointer,36.4%,Medium,0.37065838268713125, https://leetcode.com/problems/copy-list-with-random-pointer
 388,Longest Absolute File Path,41.8%,Medium,0.3696340885812376, https://leetcode.com/problems/longest-absolute-file-path
 168,Excel Sheet Column Title,31.1%,Easy,0.3628674542424574, https://leetcode.com/problems/excel-sheet-column-title
 88,Merge Sorted Array,39.4%,Easy,0.3605564574852291, https://leetcode.com/problems/merge-sorted-array
 141,Linked List Cycle,41.1%,Easy,0.3531074716115724, https://leetcode.com/problems/linked-list-cycle
 18,4Sum,33.7%,Medium,0.34917906630295314, https://leetcode.com/problems/4sum
 609,Find Duplicate File in System,59.5%,Medium,0.34796661604694806, https://leetcode.com/problems/find-duplicate-file-in-system
 51,N-Queens,46.6%,Hard,0.34587301090591877, https://leetcode.com/problems/n-queens
 694,Number of Distinct Islands,56.0%,Medium,0.34240697214102744, https://leetcode.com/problems/number-of-distinct-islands
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.3378514215595053, https://leetcode.com/problems/binary-tree-level-order-traversal
 76,Minimum Window Substring,34.6%,Hard,0.33651688545811814, https://leetcode.com/problems/minimum-window-substring
 59,Spiral Matrix II,53.9%,Medium,0.33499311472223486, https://leetcode.com/problems/spiral-matrix-ii
 233,Number of Digit One,31.3%,Hard,0.3343430661930074, https://leetcode.com/problems/number-of-digit-one
 268,Missing Number,51.7%,Easy,0.3338128467131867, https://leetcode.com/problems/missing-number
 195,Tenth Line,33.0%,Easy,0.33285477845978384, https://leetcode.com/problems/tenth-line
 140,Word Break II,32.6%,Hard,0.3295552897925928, https://leetcode.com/problems/word-break-ii
 333,Largest BST Subtree,35.8%,Medium,0.32931497055013925, https://leetcode.com/problems/largest-bst-subtree
 32,Longest Valid Parentheses,28.4%,Hard,0.3269467909737243, https://leetcode.com/problems/longest-valid-parentheses
 38,Count and Say,44.6%,Easy,0.3258044151850429, https://leetcode.com/problems/count-and-say
 384,Shuffle an Array,52.8%,Medium,0.3251022057535279, https://leetcode.com/problems/shuffle-an-array
 127,Word Ladder,29.6%,Medium,0.32483918858722843, https://leetcode.com/problems/word-ladder
 16,3Sum Closest,46.0%,Medium,0.3149279072827814, https://leetcode.com/problems/3sum-closest
 692,Top K Frequent Words,51.8%,Medium,0.31457116512531025, https://leetcode.com/problems/top-k-frequent-words
 706,Design HashMap,61.3%,Easy,0.30607943759149703, https://leetcode.com/problems/design-hashmap
 10,Regular Expression Matching,26.8%,Hard,0.3026257535192428, https://leetcode.com/problems/regular-expression-matching
 24,Swap Nodes in Pairs,50.4%,Medium,0.30089598994357436, https://leetcode.com/problems/swap-nodes-in-pairs
 283,Move Zeroes,57.8%,Easy,0.29983432977210245, https://leetcode.com/problems/move-zeroes
 179,Largest Number,28.8%,Medium,0.2993933318726824, https://leetcode.com/problems/largest-number
 332,Reconstruct Itinerary,36.7%,Medium,0.29733066556761284, https://leetcode.com/problems/reconstruct-itinerary
 193,Valid Phone Numbers,25.3%,Easy,0.29626581614317243, https://leetcode.com/problems/valid-phone-numbers
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.2962385293756158, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 68,Text Justification,27.7%,Hard,0.29518712556880805, https://leetcode.com/problems/text-justification
 232,Implement Queue using Stacks,49.6%,Easy,0.29416188100982804, https://leetcode.com/problems/implement-queue-using-stacks
 171,Excel Sheet Column Number,55.9%,Easy,0.2930854047798333, https://leetcode.com/problems/excel-sheet-column-number
 401,Binary Watch,47.5%,Easy,0.29139641067451033, https://leetcode.com/problems/binary-watch
 300,Longest Increasing Subsequence,42.6%,Medium,0.29104142745374856, https://leetcode.com/problems/longest-increasing-subsequence
 91,Decode Ways,24.7%,Medium,0.2902229900433467, https://leetcode.com/problems/decode-ways
 796,Rotate String,49.6%,Easy,0.28922092887241174, https://leetcode.com/problems/rotate-string
 239,Sliding Window Maximum,43.0%,Hard,0.2889699026362096, https://leetcode.com/problems/sliding-window-maximum
 729,My Calendar I,51.8%,Medium,0.28814578681204955, https://leetcode.com/problems/my-calendar-i
 463,Island Perimeter,65.7%,Easy,0.2871321686710828, https://leetcode.com/problems/island-perimeter
 996,Number of Squareful Arrays,47.8%,Hard,0.28675913745318005, https://leetcode.com/problems/number-of-squareful-arrays
 973,K Closest Points to Origin,63.8%,Medium,0.28194765395047156, https://leetcode.com/problems/k-closest-points-to-origin
 39,Combination Sum,56.1%,Medium,0.2794799975469249, https://leetcode.com/problems/combination-sum
 75,Sort Colors,47.3%,Medium,0.2778743740687611, https://leetcode.com/problems/sort-colors
 136,Single Number,65.5%,Easy,0.27522969174444734, https://leetcode.com/problems/single-number
 41,First Missing Positive,32.0%,Hard,0.2739607716310848, https://leetcode.com/problems/first-missing-positive
 362,Design Hit Counter,63.7%,Medium,0.2737682417732349, https://leetcode.com/problems/design-hit-counter
 11,Container With Most Water,50.8%,Medium,0.2679205380972798, https://leetcode.com/problems/container-with-most-water
 486,Predict the Winner,47.9%,Medium,0.26356981012283964, https://leetcode.com/problems/predict-the-winner
 221,Maximal Square,37.7%,Medium,0.26278452083005377, https://leetcode.com/problems/maximal-square
 223,Rectangle Area,37.8%,Medium,0.2578291093020998, https://leetcode.com/problems/rectangle-area
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.2567607594720918, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 187,Repeated DNA Sequences,38.9%,Medium,0.2529118727100632, https://leetcode.com/problems/repeated-dna-sequences
 443,String Compression,41.3%,Easy,0.2496791049401753, https://leetcode.com/problems/string-compression
 22,Generate Parentheses,62.7%,Medium,0.24664152258151367, https://leetcode.com/problems/generate-parentheses
 316,Remove Duplicate Letters,35.8%,Hard,0.24545840052279075, https://leetcode.com/problems/remove-duplicate-letters
 895,Maximum Frequency Stack,60.6%,Hard,0.24416008667586836, https://leetcode.com/problems/maximum-frequency-stack
 415,Add Strings,47.5%,Easy,0.24230382668402778, https://leetcode.com/problems/add-strings
 277,Find the Celebrity,41.8%,Medium,0.24003104821376078, https://leetcode.com/problems/find-the-celebrity
 167,Two Sum II - Input array is sorted,54.1%,Easy,0.23949403264353084, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
 658,Find K Closest Elements,40.9%,Medium,0.23744614004484665, https://leetcode.com/problems/find-k-closest-elements
 381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.2349381278070467, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
 92,Reverse Linked List II,38.8%,Medium,0.23274095442047985, https://leetcode.com/problems/reverse-linked-list-ii
 636,Exclusive Time of Functions,52.0%,Medium,0.23128872777861115, https://leetcode.com/problems/exclusive-time-of-functions
 509,Fibonacci Number,67.2%,Easy,0.22873204718012582, https://leetcode.com/problems/fibonacci-number
 165,Compare Version Numbers,27.4%,Medium,0.22687712200146865, https://leetcode.com/problems/compare-version-numbers
 28,Implement strStr(),34.5%,Easy,0.22543251399322328, https://leetcode.com/problems/implement-strstr
 237,Delete Node in a Linked List,63.8%,Easy,0.22533328620090126, https://leetcode.com/problems/delete-node-in-a-linked-list
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.2247057029374007, https://leetcode.com/problems/maximum-depth-of-binary-tree
 498,Diagonal Traverse,48.2%,Medium,0.22440062250426088, https://leetcode.com/problems/diagonal-traverse
 69,Sqrt(x),33.9%,Easy,0.22365492948950624, https://leetcode.com/problems/sqrtx
 215,Kth Largest Element in an Array,55.4%,Medium,0.22333903562721621, https://leetcode.com/problems/kth-largest-element-in-an-array
 353,Design Snake Game,34.2%,Medium,0.2228314901476892, https://leetcode.com/problems/design-snake-game
 133,Clone Graph,34.8%,Medium,0.22085334910266116, https://leetcode.com/problems/clone-graph
 9,Palindrome Number,48.4%,Easy,0.2202947418496198, https://leetcode.com/problems/palindrome-number
 986,Interval List Intersections,67.3%,Medium,0.21819454006628897, https://leetcode.com/problems/interval-list-intersections
 229,Majority Element II,35.6%,Medium,0.21162970925187066, https://leetcode.com/problems/majority-element-ii
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.2113223542441748, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 661,Image Smoother,51.5%,Easy,0.21106039931128698, https://leetcode.com/problems/image-smoother
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.21055599204217199, https://leetcode.com/problems/binary-tree-maximum-path-sum
 6,ZigZag Conversion,36.3%,Medium,0.21040551802808702, https://leetcode.com/problems/zigzag-conversion
 741,Cherry Pickup,33.9%,Hard,0.20909179785855941, https://leetcode.com/problems/cherry-pickup
 169,Majority Element,58.7%,Easy,0.2079562741042954, https://leetcode.com/problems/majority-element
 837,New 21 Game,34.6%,Medium,0.20526312603636132, https://leetcode.com/problems/new-21-game
 62,Unique Paths,54.1%,Medium,0.20453705875726236, https://leetcode.com/problems/unique-paths
 220,Contains Duplicate III,20.9%,Medium,0.20432784239539936, https://leetcode.com/problems/contains-duplicate-iii
 37,Sudoku Solver,43.6%,Hard,0.20309089276282075, https://leetcode.com/problems/sudoku-solver
 543,Diameter of Binary Tree,48.4%,Easy,0.2027481163433401, https://leetcode.com/problems/diameter-of-binary-tree
 557,Reverse Words in a String III,69.8%,Easy,0.1998533423830101, https://leetcode.com/problems/reverse-words-in-a-string-iii
 349,Intersection of Two Arrays,62.5%,Easy,0.19894926823907688, https://leetcode.com/problems/intersection-of-two-arrays
 120,Triangle,44.2%,Medium,0.19325424809414601, https://leetcode.com/problems/triangle
 173,Binary Search Tree Iterator,56.6%,Medium,0.1932027494363769, https://leetcode.com/problems/binary-search-tree-iterator
 65,Valid Number,15.3%,Hard,0.18904265746703205, https://leetcode.com/problems/valid-number
 25,Reverse Nodes in k-Group,42.1%,Hard,0.18884373606243307, https://leetcode.com/problems/reverse-nodes-in-k-group
 549,Binary Tree Longest Consecutive Sequence II,47.0%,Medium,0.1884471502206373, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence-ii
 178,Rank Scores,45.8%,Medium,0.18843907402659216, https://leetcode.com/problems/rank-scores
 72,Edit Distance,44.8%,Hard,0.18554648786569794, https://leetcode.com/problems/edit-distance
 77,Combinations,54.7%,Medium,0.18405670984385755, https://leetcode.com/problems/combinations
 518,Coin Change 2,50.2%,Medium,0.18373876827436816, https://leetcode.com/problems/coin-change-2
 231,Power of Two,43.7%,Easy,0.18077110562857268, https://leetcode.com/problems/power-of-two
 234,Palindrome Linked List,39.3%,Easy,0.17561579569700486, https://leetcode.com/problems/palindrome-linked-list
 240,Search a 2D Matrix II,43.2%,Medium,0.17420113958996, https://leetcode.com/problems/search-a-2d-matrix-ii
 911,Online Election,50.4%,Medium,0.1741842396477574, https://leetcode.com/problems/online-election
 74,Search a 2D Matrix,36.5%,Medium,0.17399668345849942, https://leetcode.com/problems/search-a-2d-matrix
 1278,Palindrome Partitioning III,59.9%,Hard,0.17284281283941086, https://leetcode.com/problems/palindrome-partitioning-iii
 151,Reverse Words in a String,21.9%,Medium,0.1707401585649133, https://leetcode.com/problems/reverse-words-in-a-string
 43,Multiply Strings,33.9%,Medium,0.17061651017204038, https://leetcode.com/problems/multiply-strings
 176,Second Highest Salary,31.6%,Easy,0.17018888346853764, https://leetcode.com/problems/second-highest-salary
 190,Reverse Bits,39.8%,Easy,0.16833660590895258, https://leetcode.com/problems/reverse-bits
 528,Random Pick with Weight,43.9%,Medium,0.16808800301828727, https://leetcode.com/problems/random-pick-with-weight
 55,Jump Game,34.6%,Medium,0.16658918460830285, https://leetcode.com/problems/jump-game
 642,Design Search Autocomplete System,44.7%,Hard,0.16312782492496253, https://leetcode.com/problems/design-search-autocomplete-system
 821,Shortest Distance to a Character,66.9%,Easy,0.16229864091884685, https://leetcode.com/problems/shortest-distance-to-a-character
 29,Divide Two Integers,16.4%,Medium,0.156913715105051, https://leetcode.com/problems/divide-two-integers
 647,Palindromic Substrings,60.6%,Medium,0.154673282399905, https://leetcode.com/problems/palindromic-substrings
 632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.15283920422944758, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
 470,Implement Rand10() Using Rand7(),46.3%,Medium,0.15154989812720093, https://leetcode.com/problems/implement-rand10-using-rand7
 57,Insert Interval,33.5%,Hard,0.14994432629434787, https://leetcode.com/problems/insert-interval
 739,Daily Temperatures,63.3%,Medium,0.14956674442158685, https://leetcode.com/problems/daily-temperatures
 383,Ransom Note,53.1%,Easy,0.14842000511827327, https://leetcode.com/problems/ransom-note
 83,Remove Duplicates from Sorted List,45.4%,Easy,0.14784842578508967, https://leetcode.com/problems/remove-duplicates-from-sorted-list
 30,Substring with Concatenation of All Words,25.4%,Hard,0.1461170580676051, https://leetcode.com/problems/substring-with-concatenation-of-all-words
 546,Remove Boxes,42.7%,Hard,0.14361551169114867, https://leetcode.com/problems/remove-boxes
 116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.13899325359219267, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
 1108,Defanging an IP Address,87.5%,Easy,0.13892162300436822, https://leetcode.com/problems/defanging-an-ip-address
 687,Longest Univalue Path,36.2%,Easy,0.13857217423956994, https://leetcode.com/problems/longest-univalue-path
 128,Longest Consecutive Sequence,45.1%,Hard,0.13583040733187832, https://leetcode.com/problems/longest-consecutive-sequence
 427,Construct Quad Tree,61.4%,Medium,0.13580154115906176, https://leetcode.com/problems/construct-quad-tree
 1044,Longest Duplicate Substring,31.9%,Hard,0.1351378186727963, https://leetcode.com/problems/longest-duplicate-substring
 86,Partition List,41.5%,Medium,0.1338296774887775, https://leetcode.com/problems/partition-list
 199,Binary Tree Right Side View,54.1%,Medium,0.13319296807660722, https://leetcode.com/problems/binary-tree-right-side-view
 1221,Split a String in Balanced Strings,83.3%,Easy,0.1319324949716959, https://leetcode.com/problems/split-a-string-in-balanced-strings
 977,Squares of a Sorted Array,72.1%,Easy,0.13133600206108695, https://leetcode.com/problems/squares-of-a-sorted-array
 118,Pascal's Triangle,52.5%,Easy,0.12852395589356347, https://leetcode.com/problems/pascals-triangle
 70,Climbing Stairs,47.8%,Easy,0.12772618382036388, https://leetcode.com/problems/climbing-stairs
 198,House Robber,42.0%,Easy,0.12709898426651453, https://leetcode.com/problems/house-robber
 359,Logger Rate Limiter,70.8%,Easy,0.1248502028794759, https://leetcode.com/problems/logger-rate-limiter
 350,Intersection of Two Arrays II,51.4%,Easy,0.12274798010265034, https://leetcode.com/problems/intersection-of-two-arrays-ii
 1114,Print in Order,65.7%,Easy,0.12136085700426744, https://leetcode.com/problems/print-in-order
 211,Add and Search Word - Data structure design,38.1%,Medium,0.12092604505358262, https://leetcode.com/problems/add-and-search-word-data-structure-design
 454,4Sum II,53.1%,Medium,0.1208030670124105, https://leetcode.com/problems/4sum-ii
 867,Transpose Matrix,62.8%,Easy,0.11927747573936125, https://leetcode.com/problems/transpose-matrix
 93,Restore IP Addresses,35.6%,Medium,0.11756123239496619, https://leetcode.com/problems/restore-ip-addresses
 101,Symmetric Tree,46.8%,Easy,0.11583847861592966, https://leetcode.com/problems/symmetric-tree
 184,Department Highest Salary,36.7%,Medium,0.111723209445655, https://leetcode.com/problems/department-highest-salary
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.1110882064011508, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 450,Delete Node in a BST,43.1%,Medium,0.11058538292750217, https://leetcode.com/problems/delete-node-in-a-bst
 219,Contains Duplicate II,37.7%,Easy,0.10943188230246585, https://leetcode.com/problems/contains-duplicate-ii
 78,Subsets,62.0%,Medium,0.10594222506883655, https://leetcode.com/problems/subsets
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.1050144350175837, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 407,Trapping Rain Water II,42.4%,Hard,0.10486899438963619, https://leetcode.com/problems/trapping-rain-water-ii
 448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.10453372768183221, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
 343,Integer Break,50.4%,Medium,0.10446541455492596, https://leetcode.com/problems/integer-break
 560,Subarray Sum Equals K,43.9%,Medium,0.10184840494454048, https://leetcode.com/problems/subarray-sum-equals-k
 453,Minimum Moves to Equal Array Elements,50.2%,Easy,0.10178269430994231, https://leetcode.com/problems/minimum-moves-to-equal-array-elements
 416,Partition Equal Subset Sum,43.7%,Medium,0.10153641921942286, https://leetcode.com/problems/partition-equal-subset-sum
 417,Pacific Atlantic Water Flow,41.1%,Medium,0.10008345855698253, https://leetcode.com/problems/pacific-atlantic-water-flow
 143,Reorder List,37.1%,Medium,0.09969510903753867, https://leetcode.com/problems/reorder-list
 162,Find Peak Element,43.3%,Medium,0.09706051838470164, https://leetcode.com/problems/find-peak-element
 230,Kth Smallest Element in a BST,60.2%,Medium,0.09685471541555685, https://leetcode.com/problems/kth-smallest-element-in-a-bst
 207,Course Schedule,43.1%,Medium,0.09601114875296962, https://leetcode.com/problems/course-schedule
 338,Counting Bits,69.5%,Medium,0.09394125419698317, https://leetcode.com/problems/counting-bits
 87,Scramble String,33.7%,Hard,0.09333193979221914, https://leetcode.com/problems/scramble-string
 266,Palindrome Permutation,61.9%,Easy,0.091248671465145, https://leetcode.com/problems/palindrome-permutation
 282,Expression Add Operators,35.5%,Hard,0.08720118433574389, https://leetcode.com/problems/expression-add-operators
 622,Design Circular Queue,43.7%,Medium,0.08696405427235052, https://leetcode.com/problems/design-circular-queue
 256,Paint House,52.1%,Easy,0.08650924290928251, https://leetcode.com/problems/paint-house
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.08645856912332787, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 98,Validate Binary Search Tree,27.8%,Medium,0.0854255093169086, https://leetcode.com/problems/validate-binary-search-tree
 287,Find the Duplicate Number,55.5%,Medium,0.0845834791494423, https://leetcode.com/problems/find-the-duplicate-number
 345,Reverse Vowels of a String,44.2%,Easy,0.08413974844494757, https://leetcode.com/problems/reverse-vowels-of-a-string
 582,Kill Process,60.8%,Medium,0.08355588569097351, https://leetcode.com/problems/kill-process
 73,Set Matrix Zeroes,43.1%,Medium,0.08271965106891821, https://leetcode.com/problems/set-matrix-zeroes
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0792949457576407, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 208,Implement Trie (Prefix Tree),49.4%,Medium,0.07910997849332738, https://leetcode.com/problems/implement-trie-prefix-tree
 180,Consecutive Numbers,39.7%,Medium,0.07851014032375832, https://leetcode.com/problems/consecutive-numbers
 79,Word Search,35.6%,Medium,0.07847790263416941, https://leetcode.com/problems/word-search
 142,Linked List Cycle II,37.3%,Medium,0.0775950985761474, https://leetcode.com/problems/linked-list-cycle-ii
 435,Non-overlapping Intervals,42.9%,Medium,0.07565042495900788, https://leetcode.com/problems/non-overlapping-intervals
 540,Single Element in a Sorted Array,57.9%,Medium,0.07473130562267008, https://leetcode.com/problems/single-element-in-a-sorted-array
 445,Add Two Numbers II,54.5%,Medium,0.07468384317453133, https://leetcode.com/problems/add-two-numbers-ii
 669,Trim a Binary Search Tree,63.0%,Easy,0.07445297819474968, https://leetcode.com/problems/trim-a-binary-search-tree
 480,Sliding Window Median,37.2%,Hard,0.0743529801177063, https://leetcode.com/problems/sliding-window-median
 515,Find Largest Value in Each Tree Row,61.1%,Medium,0.07428007438287054, https://leetcode.com/problems/find-largest-value-in-each-tree-row
 19,Remove Nth Node From End of List,35.2%,Medium,0.07420700547851658, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 721,Accounts Merge,48.8%,Medium,0.07349495575336484, https://leetcode.com/problems/accounts-merge
 153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.07343579359779528, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
 617,Merge Two Binary Trees,74.1%,Easy,0.07201671240916602, https://leetcode.com/problems/merge-two-binary-trees
 35,Search Insert Position,42.6%,Easy,0.07187646029497265, https://leetcode.com/problems/search-insert-position
 442,Find All Duplicates in an Array,67.8%,Medium,0.07083107135140704, https://leetcode.com/problems/find-all-duplicates-in-an-array
 378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.07059096970081927, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
 126,Word Ladder II,22.1%,Hard,0.07011193038456472, https://leetcode.com/problems/word-ladder-ii
 542,01 Matrix,39.8%,Medium,0.0700198447248843, https://leetcode.com/problems/01-matrix
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.06838868749455218, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 1011,Capacity To Ship Packages Within D Days,58.1%,Medium,0.06649420875558125, https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
 863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.06616716425077336, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
 94,Binary Tree Inorder Traversal,63.3%,Medium,0.06583997601175454, https://leetcode.com/problems/binary-tree-inorder-traversal
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.06582927042348097, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 95,Unique Binary Search Trees II,40.6%,Medium,0.06578614881622968, https://leetcode.com/problems/unique-binary-search-trees-ii
 135,Candy,31.6%,Hard,0.06576510995956455, https://leetcode.com/problems/candy
 326,Power of Three,42.1%,Easy,0.06353762681243758, https://leetcode.com/problems/power-of-three
 772,Basic Calculator III,41.3%,Hard,0.06331227941432688, https://leetcode.com/problems/basic-calculator-iii
 110,Balanced Binary Tree,43.5%,Easy,0.06153684147582857, https://leetcode.com/problems/balanced-binary-tree
 1002,Find Common Characters,67.6%,Easy,0.059741539575795824, https://leetcode.com/problems/find-common-characters
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.05973658149689521, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 561,Array Partition I,72.0%,Easy,0.059408706690609644, https://leetcode.com/problems/array-partition-i
 931,Minimum Falling Path Sum,62.5%,Medium,0.05914995982464103, https://leetcode.com/problems/minimum-falling-path-sum
 890,Find and Replace Pattern,73.4%,Medium,0.0568334747631659, https://leetcode.com/problems/find-and-replace-pattern
 301,Remove Invalid Parentheses,43.3%,Hard,0.0566523153423806, https://leetcode.com/problems/remove-invalid-parentheses
 912,Sort an Array,63.9%,Medium,0.056512210263342307, https://leetcode.com/problems/sort-an-array
 371,Sum of Two Integers,50.7%,Medium,0.05511036271051877, https://leetcode.com/problems/sum-of-two-integers
 304,Range Sum Query 2D - Immutable,38.6%,Medium,0.054527987071175225, https://leetcode.com/problems/range-sum-query-2d-immutable
 594,Longest Harmonious Subsequence,46.6%,Easy,0.054435206555017046, https://leetcode.com/problems/longest-harmonious-subsequence
 63,Unique Paths II,34.6%,Medium,0.05324937607387791, https://leetcode.com/problems/unique-paths-ii
 1315,Sum of Nodes with Even-Valued Grandparent,83.5%,Medium,0.05317259535592034, https://leetcode.com/problems/sum-of-nodes-with-even-valued-grandparent
 134,Gas Station,38.5%,Medium,0.05304524877458272, https://leetcode.com/problems/gas-station
 1275,Find Winner on a Tic Tac Toe Game,52.8%,Easy,0.05292240145434251, https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
 767,Reorganize String,48.7%,Medium,0.05216306328458592, https://leetcode.com/problems/reorganize-string
 695,Max Area of Island,62.7%,Medium,0.04980799142417255, https://leetcode.com/problems/max-area-of-island
 50,Pow(x, n),30.3%,Medium,0.049262619451480506, https://leetcode.com/problems/powx-n
 709,To Lower Case,79.3%,Easy,0.048909503032274274, https://leetcode.com/problems/to-lower-case
 621,Task Scheduler,50.1%,Medium,0.04638413032188776, https://leetcode.com/problems/task-scheduler
 166,Fraction to Recurring Decimal,21.6%,Medium,0.04478360262697337, https://leetcode.com/problems/fraction-to-recurring-decimal
 347,Top K Frequent Elements,61.2%,Medium,0.04399269847160566, https://leetcode.com/problems/top-k-frequent-elements
 490,The Maze,51.4%,Medium,0.04287902305923364, https://leetcode.com/problems/the-maze
 674,Longest Continuous Increasing Subsequence,45.9%,Easy,0.04225980928988265, https://leetcode.com/problems/longest-continuous-increasing-subsequence
 430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,0.04154283751370906, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
 907,Sum of Subarray Minimums,32.3%,Medium,0.04069737616380998, https://leetcode.com/problems/sum-of-subarray-minimums
 1060,Missing Element in Sorted Array,54.5%,Medium,0.03879796954098255, https://leetcode.com/problems/missing-element-in-sorted-array
 47,Permutations II,46.4%,Medium,0.038145268259690404, https://leetcode.com/problems/permutations-ii
 210,Course Schedule II,40.7%,Medium,0.03795788828372613, https://leetcode.com/problems/course-schedule-ii
 40,Combination Sum II,48.2%,Medium,0.037775974158907266, https://leetcode.com/problems/combination-sum-ii
 64,Minimum Path Sum,54.5%,Medium,0.03769479893530684, https://leetcode.com/problems/minimum-path-sum
 1021,Remove Outermost Parentheses,78.0%,Easy,0.03660433056251234, https://leetcode.com/problems/remove-outermost-parentheses
 374,Guess Number Higher or Lower,43.1%,Easy,0.03422387238757742, https://leetcode.com/problems/guess-number-higher-or-lower
 886,Possible Bipartition,44.2%,Medium,0.034103901828857086, https://leetcode.com/problems/possible-bipartition
 226,Invert Binary Tree,65.0%,Easy,0.03393837323839263, https://leetcode.com/problems/invert-binary-tree
 112,Path Sum,41.2%,Easy,0.03370499686939782, https://leetcode.com/problems/path-sum
 217,Contains Duplicate,56.0%,Easy,0.03367321510658789, https://leetcode.com/problems/contains-duplicate
 516,Longest Palindromic Subsequence,53.2%,Medium,0.0332870969222259, https://leetcode.com/problems/longest-palindromic-subsequence
 1146,Snapshot Array,37.0%,Medium,0.0317991816929387, https://leetcode.com/problems/snapshot-array
 703,Kth Largest Element in a Stream,49.7%,Easy,0.031004894819414507, https://leetcode.com/problems/kth-largest-element-in-a-stream
 530,Minimum Absolute Difference in BST,53.8%,Easy,0.030677252247047038, https://leetcode.com/problems/minimum-absolute-difference-in-bst
 876,Middle of the Linked List,68.4%,Easy,0.030156827290986423, https://leetcode.com/problems/middle-of-the-linked-list
 1197,Minimum Knight Moves,36.1%,Medium,0.02969780239174205, https://leetcode.com/problems/minimum-knight-moves
 938,Range Sum of BST,81.3%,Easy,0.027755467721532374, https://leetcode.com/problems/range-sum-of-bst
 811,Subdomain Visit Count,69.9%,Easy,0.02772180293027194, https://leetcode.com/problems/subdomain-visit-count
 67,Add Binary,45.2%,Easy,0.026266540645351912, https://leetcode.com/problems/add-binary
 373,Find K Pairs with Smallest Sums,36.7%,Medium,0.02626546261018635, https://leetcode.com/problems/find-k-pairs-with-smallest-sums
 111,Minimum Depth of Binary Tree,37.4%,Easy,0.026222413650382477, https://leetcode.com/problems/minimum-depth-of-binary-tree
 961,N-Repeated Element in Size 2N Array,73.7%,Easy,0.025609594204324387, https://leetcode.com/problems/n-repeated-element-in-size-2n-array
 1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.025446665661164262, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
 310,Minimum Height Trees,32.3%,Medium,0.02446605215440636, https://leetcode.com/problems/minimum-height-trees
 804,Unique Morse Code Words,77.0%,Easy,0.024332100659530644, https://leetcode.com/problems/unique-morse-code-words
 286,Walls and Gates,54.5%,Medium,0.02324334737232728, https://leetcode.com/problems/walls-and-gates
 766,Toeplitz Matrix,65.1%,Easy,0.02280600552903764, https://leetcode.com/problems/toeplitz-matrix
 113,Path Sum II,46.7%,Medium,0.021882711249507664, https://leetcode.com/problems/path-sum-ii
 905,Sort Array By Parity,74.1%,Easy,0.02148053951675942, https://leetcode.com/problems/sort-array-by-parity
 670,Maximum Swap,43.6%,Medium,0.020844944430365928, https://leetcode.com/problems/maximum-swap
 60,Permutation Sequence,38.4%,Hard,0.020471543980187256, https://leetcode.com/problems/permutation-sequence
 66,Plus One,43.0%,Easy,0.020215776991954044, https://leetcode.com/problems/plus-one
 525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
 700,Search in a Binary Search Tree,73.1%,Easy,0.01905222743200806, https://leetcode.com/problems/search-in-a-binary-search-tree
 209,Minimum Size Subarray Sum,38.2%,Medium,0.018832948333092125, https://leetcode.com/problems/minimum-size-subarray-sum
 406,Queue Reconstruction by Height,66.9%,Medium,0.01774669468133533, https://leetcode.com/problems/queue-reconstruction-by-height
 100,Same Tree,53.4%,Easy,0.017112941192143866, https://leetcode.com/problems/same-tree
 628,Maximum Product of Three Numbers,47.1%,Easy,0.016529301951210565, https://leetcode.com/problems/maximum-product-of-three-numbers
 188,Best Time to Buy and Sell Stock IV,28.0%,Hard,0.01651565203072114, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
 203,Remove Linked List Elements,38.6%,Easy,0.014519311324453305, https://leetcode.com/problems/remove-linked-list-elements
 107,Binary Tree Level Order Traversal II,53.5%,Easy,0.014395642075089957, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
 258,Add Digits,57.6%,Easy,0.012859598023941623, https://leetcode.com/problems/add-digits
 181,Employees Earning More Than Their Managers,56.9%,Easy,0.012618463959211509, https://leetcode.com/problems/employees-earning-more-than-their-managers
 257,Binary Tree Paths,51.5%,Easy,0.010457611643958139, https://leetcode.com/problems/binary-tree-paths
 819,Most Common Word,44.8%,Easy,0.010269666637456105, https://leetcode.com/problems/most-common-word
 96,Unique Binary Search Trees,52.9%,Medium,0.009242209964820877, https://leetcode.com/problems/unique-binary-search-trees
 937,Reorder Data in Log Files,54.3%,Easy,0.008415787099648575, https://leetcode.com/problems/reorder-data-in-log-files
 763,Partition Labels,76.1%,Medium,0.008385793376274025, https://leetcode.com/problems/partition-labels
 260,Single Number III,64.3%,Medium,0.008090659020153698, https://leetcode.com/problems/single-number-iii
 309,Best Time to Buy and Sell Stock with Cooldown,47.4%,Medium,0.006400704591951834, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown
 565,Array Nesting,55.5%,Medium,0, https://leetcode.com/problems/array-nesting
--- a/arista-networks_1year.csv
+++ b/arista-networks_1year.csv
@@ -0,0 +1,2 @@
 165,Compare Version Numbers,27.4%,Medium,0.005779515653180723, https://leetcode.com/problems/compare-version-numbers
 200,Number of Islands,46.8%,Medium,0.0028897578265903614, https://leetcode.com/problems/number-of-islands
--- a/arista-networks_2year.csv
+++ b/arista-networks_2year.csv
@@ -0,0 +1,5 @@
 37,Sudoku Solver,43.6%,Hard,0.0346243462817872, https://leetcode.com/problems/sudoku-solver
 165,Compare Version Numbers,27.4%,Medium,0.029283880120642022, https://leetcode.com/problems/compare-version-numbers
 21,Merge Two Sorted Lists,53.5%,Easy,0.02011578137441701, https://leetcode.com/problems/merge-two-sorted-lists
 268,Missing Number,51.7%,Easy,0.010947682628191997, https://leetcode.com/problems/missing-number
 200,Number of Islands,46.8%,Medium,0.006490251382779317, https://leetcode.com/problems/number-of-islands
--- a/arista-networks_alltime.csv
+++ b/arista-networks_alltime.csv
@@ -0,0 +1,5 @@
 268,Missing Number,51.7%,Easy,0.2527134652732994, https://leetcode.com/problems/missing-number
 165,Compare Version Numbers,27.4%,Medium,0.2071910405067907, https://leetcode.com/problems/compare-version-numbers
 37,Sudoku Solver,43.6%,Hard,0.1087554815281622, https://leetcode.com/problems/sudoku-solver
 21,Merge Two Sorted Lists,53.5%,Easy,0.10492581036140783, https://leetcode.com/problems/merge-two-sorted-lists
 200,Number of Islands,46.8%,Medium,0.006490251382779317, https://leetcode.com/problems/number-of-islands
--- a/arista_alltime.csv
+++ b/arista_alltime.csv
@@ -0,0 +1 @@
 997,Find the Town Judge,50.1%,Easy,0, https://leetcode.com/problems/find-the-town-judge
--- a/asana_1year.csv
+++ b/asana_1year.csv
@@ -0,0 +1,6 @@
 98,Validate Binary Search Tree,27.8%,Medium,0.15946580717044478, https://leetcode.com/problems/validate-binary-search-tree
 238,Product of Array Except Self,60.1%,Medium,0.14381651020193786, https://leetcode.com/problems/product-of-array-except-self
 973,K Closest Points to Origin,63.8%,Medium,0.0846954809648288, https://leetcode.com/problems/k-closest-points-to-origin
 146,LRU Cache,33.2%,Medium,0.06773642472794494, https://leetcode.com/problems/lru-cache
 50,Pow(x, n),30.3%,Medium,0.008615395490835889, https://leetcode.com/problems/powx-n
 53,Maximum Subarray,46.5%,Easy,0.0020745819379855658, https://leetcode.com/problems/maximum-subarray
--- a/asana_2year.csv
+++ b/asana_2year.csv
@@ -0,0 +1,6 @@
 238,Product of Array Except Self,60.1%,Medium,0.14079121889577595, https://leetcode.com/problems/product-of-array-except-self
 146,LRU Cache,33.2%,Medium,0.09466027715846642, https://leetcode.com/problems/lru-cache
 98,Validate Binary Search Tree,27.8%,Medium,0.08515143211698117, https://leetcode.com/problems/validate-binary-search-tree
 973,K Closest Points to Origin,63.8%,Medium,0.05474633722814542, https://leetcode.com/problems/k-closest-points-to-origin
 50,Pow(x, n),30.3%,Medium,0.008615395490835889, https://leetcode.com/problems/powx-n
 53,Maximum Subarray,46.5%,Easy,0.008272628741228982, https://leetcode.com/problems/maximum-subarray
--- a/asana_6months.csv
+++ b/asana_6months.csv
@@ -0,0 +1,3 @@
 238,Product of Array Except Self,60.1%,Medium,0.04853298095508739, https://leetcode.com/problems/product-of-array-except-self
 98,Validate Binary Search Tree,27.8%,Medium,0.030442797394926606, https://leetcode.com/problems/validate-binary-search-tree
 973,K Closest Points to Origin,63.8%,Medium,0.012352613834765824, https://leetcode.com/problems/k-closest-points-to-origin
--- a/asana_alltime.csv
+++ b/asana_alltime.csv
@@ -0,0 +1,6 @@
 238,Product of Array Except Self,60.1%,Medium,0.33156908645744715, https://leetcode.com/problems/product-of-array-except-self
 98,Validate Binary Search Tree,27.8%,Medium,0.3036517978812848, https://leetcode.com/problems/validate-binary-search-tree
 146,LRU Cache,33.2%,Medium,0.20247490080112324, https://leetcode.com/problems/lru-cache
 973,K Closest Points to Origin,63.8%,Medium,0.10979229257099747, https://leetcode.com/problems/k-closest-points-to-origin
 50,Pow(x, n),30.3%,Medium,0.008615395490835889, https://leetcode.com/problems/powx-n
 53,Maximum Subarray,46.5%,Easy,0.008272628741228982, https://leetcode.com/problems/maximum-subarray
--- a/atlassian_1year.csv
+++ b/atlassian_1year.csv
@@ -0,0 +1,38 @@
 366,Find Leaves of Binary Tree,70.6%,Medium,0.22834203521080285, https://leetcode.com/problems/find-leaves-of-binary-tree
 860,Lemonade Change,51.6%,Easy,0.18866903222469833, https://leetcode.com/problems/lemonade-change
 362,Design Hit Counter,63.7%,Medium,0.1489960292385938, https://leetcode.com/problems/design-hit-counter
 981,Time Based Key-Value Store,53.1%,Medium,0.1316303182973487, https://leetcode.com/problems/time-based-key-value-store
 1120,Maximum Average Subtree,61.9%,Medium,0.12879510820557039, https://leetcode.com/problems/maximum-average-subtree
 1071,Greatest Common Divisor of Strings,52.9%,Easy,0.12182344519338843, https://leetcode.com/problems/greatest-common-divisor-of-strings
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.1046212990833672, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 1223,Dice Roll Simulation,45.6%,Medium,0.10212949507637983, https://leetcode.com/problems/dice-roll-simulation
 1366,Rank Teams by Votes,53.8%,Medium,0.07223355735937158, https://leetcode.com/problems/rank-teams-by-votes
 706,Design HashMap,61.3%,Easy,0.0683442674369718, https://leetcode.com/problems/design-hashmap
 300,Longest Increasing Subsequence,42.6%,Medium,0.06265630749555627, https://leetcode.com/problems/longest-increasing-subsequence
 359,Logger Rate Limiter,70.8%,Easy,0.0467617659080393, https://leetcode.com/problems/logger-rate-limiter
 150,Evaluate Reverse Polish Notation,36.3%,Medium,0.031526253646773944, https://leetcode.com/problems/evaluate-reverse-polish-notation
 284,Peeking Iterator,45.7%,Medium,0.03110670713225487, https://leetcode.com/problems/peeking-iterator
 547,Friend Circles,58.6%,Medium,0.027307522052851193, https://leetcode.com/problems/friend-circles
 98,Validate Binary Search Tree,27.8%,Medium,0.026187123416340663, https://leetcode.com/problems/validate-binary-search-tree
 31,Next Permutation,32.6%,Medium,0.023747034562878154, https://leetcode.com/problems/next-permutation
 540,Single Element in a Sorted Array,57.9%,Medium,0.0192128868599912, https://leetcode.com/problems/single-element-in-a-sorted-array
 872,Leaf-Similar Trees,64.5%,Easy,0.01752125418714782, https://leetcode.com/problems/leaf-similar-trees
 23,Merge k Sorted Lists,40.2%,Hard,0.016108271385328228, https://leetcode.com/problems/merge-k-sorted-lists
 701,Insert into a Binary Search Tree,77.7%,Medium,0.015522236371561826, https://leetcode.com/problems/insert-into-a-binary-search-tree
 528,Random Pick with Weight,43.9%,Medium,0.014831565905995232, https://leetcode.com/problems/random-pick-with-weight
 20,Valid Parentheses,39.0%,Easy,0.014292491180025941, https://leetcode.com/problems/valid-parentheses
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.011261380272539033, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 647,Palindromic Substrings,60.6%,Medium,0.010400509768078022, https://leetcode.com/problems/palindromic-substrings
 46,Permutations,63.5%,Medium,0.009461803137288448, https://leetcode.com/problems/permutations
 173,Binary Search Tree Iterator,56.6%,Medium,0.008489015324911316, https://leetcode.com/problems/binary-search-tree-iterator
 394,Decode String,50.0%,Medium,0.008166644000272283, https://leetcode.com/problems/decode-string
 200,Number of Islands,46.8%,Medium,0.006490251382779317, https://leetcode.com/problems/number-of-islands
 543,Diameter of Binary Tree,48.4%,Easy,0.005305755914149804, https://leetcode.com/problems/diameter-of-binary-tree
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.004714210262726446, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 22,Generate Parentheses,62.7%,Medium,0.0043611059090124735, https://leetcode.com/problems/generate-parentheses
 78,Subsets,62.0%,Medium,0.00368765975195334, https://leetcode.com/problems/subsets
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.003639014205004082, https://leetcode.com/problems/binary-tree-level-order-traversal
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.003496778759264278, https://leetcode.com/problems/longest-substring-without-repeating-characters
 101,Symmetric Tree,46.8%,Easy,0.0034057078469827435, https://leetcode.com/problems/symmetric-tree
 53,Maximum Subarray,46.5%,Easy,0.002167082872150794, https://leetcode.com/problems/maximum-subarray
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0021239321954525975, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
--- a/atlassian_2year.csv
+++ b/atlassian_2year.csv
@@ -0,0 +1,52 @@
 366,Find Leaves of Binary Tree,70.6%,Medium,0.4396812191548194, https://leetcode.com/problems/find-leaves-of-binary-tree
 860,Lemonade Change,51.6%,Easy,0.34144324934323333, https://leetcode.com/problems/lemonade-change
 821,Shortest Distance to a Character,66.9%,Easy,0.24320527953164725, https://leetcode.com/problems/shortest-distance-to-a-character
 981,Time Based Key-Value Store,53.1%,Medium,0.1844764271644963, https://leetcode.com/problems/time-based-key-value-store
 362,Design Hit Counter,63.7%,Medium,0.1489960292385938, https://leetcode.com/problems/design-hit-counter
 1120,Maximum Average Subtree,61.9%,Medium,0.12879510820557039, https://leetcode.com/problems/maximum-average-subtree
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.12526693997901697, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 1071,Greatest Common Divisor of Strings,52.9%,Easy,0.12182344519338843, https://leetcode.com/problems/greatest-common-divisor-of-strings
 1223,Dice Roll Simulation,45.6%,Medium,0.10212949507637983, https://leetcode.com/problems/dice-roll-simulation
 1366,Rank Teams by Votes,53.8%,Medium,0.07223355735937158, https://leetcode.com/problems/rank-teams-by-votes
 706,Design HashMap,61.3%,Easy,0.0683442674369718, https://leetcode.com/problems/design-hashmap
 300,Longest Increasing Subsequence,42.6%,Medium,0.06265630749555627, https://leetcode.com/problems/longest-increasing-subsequence
 359,Logger Rate Limiter,70.8%,Easy,0.0467617659080393, https://leetcode.com/problems/logger-rate-limiter
 200,Number of Islands,46.8%,Medium,0.04526299408355752, https://leetcode.com/problems/number-of-islands
 540,Single Element in a Sorted Array,57.9%,Medium,0.042721256704769804, https://leetcode.com/problems/single-element-in-a-sorted-array
 844,Backspace String Compare,46.4%,Easy,0.041499730906752734, https://leetcode.com/problems/backspace-string-compare
 394,Decode String,50.0%,Medium,0.03227387813668991, https://leetcode.com/problems/decode-string
 253,Meeting Rooms II,45.7%,Medium,0.03193246767820989, https://leetcode.com/problems/meeting-rooms-ii
 150,Evaluate Reverse Polish Notation,36.3%,Medium,0.031526253646773944, https://leetcode.com/problems/evaluate-reverse-polish-notation
 284,Peeking Iterator,45.7%,Medium,0.03110670713225487, https://leetcode.com/problems/peeking-iterator
 20,Valid Parentheses,39.0%,Easy,0.02782373445001039, https://leetcode.com/problems/valid-parentheses
 547,Friend Circles,58.6%,Medium,0.027307522052851193, https://leetcode.com/problems/friend-circles
 98,Validate Binary Search Tree,27.8%,Medium,0.026187123416340663, https://leetcode.com/problems/validate-binary-search-tree
 713,Subarray Product Less Than K,39.1%,Medium,0.02473842915612247, https://leetcode.com/problems/subarray-product-less-than-k
 31,Next Permutation,32.6%,Medium,0.023747034562878154, https://leetcode.com/problems/next-permutation
 647,Palindromic Substrings,60.6%,Medium,0.023250853650202817, https://leetcode.com/problems/palindromic-substrings
 341,Flatten Nested List Iterator,52.9%,Medium,0.019980684690483426, https://leetcode.com/problems/flatten-nested-list-iterator
 872,Leaf-Similar Trees,64.5%,Easy,0.01752125418714782, https://leetcode.com/problems/leaf-similar-trees
 46,Permutations,63.5%,Medium,0.016759583649075344, https://leetcode.com/problems/permutations
 23,Merge k Sorted Lists,40.2%,Hard,0.016108271385328228, https://leetcode.com/problems/merge-k-sorted-lists
 701,Insert into a Binary Search Tree,77.7%,Medium,0.015522236371561826, https://leetcode.com/problems/insert-into-a-binary-search-tree
 528,Random Pick with Weight,43.9%,Medium,0.014831565905995232, https://leetcode.com/problems/random-pick-with-weight
 101,Symmetric Tree,46.8%,Easy,0.013553786479814183, https://leetcode.com/problems/symmetric-tree
 227,Basic Calculator II,36.9%,Medium,0.01239941490503826, https://leetcode.com/problems/basic-calculator-ii
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.011261380272539033, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.009683242444739549, https://leetcode.com/problems/longest-substring-without-repeating-characters
 295,Find Median from Data Stream,44.3%,Hard,0.00899893586856953, https://leetcode.com/problems/find-median-from-data-stream
 53,Maximum Subarray,46.5%,Easy,0.008640295679602939, https://leetcode.com/problems/maximum-subarray
 173,Binary Search Tree Iterator,56.6%,Medium,0.008489015324911316, https://leetcode.com/problems/binary-search-tree-iterator
 692,Top K Frequent Words,51.8%,Medium,0.007516006820935329, https://leetcode.com/problems/top-k-frequent-words
 680,Valid Palindrome II,36.6%,Easy,0.007288662004705285, https://leetcode.com/problems/valid-palindrome-ii
 199,Binary Tree Right Side View,54.1%,Medium,0.0056826406650506926, https://leetcode.com/problems/binary-tree-right-side-view
 543,Diameter of Binary Tree,48.4%,Easy,0.005305755914149804, https://leetcode.com/problems/diameter-of-binary-tree
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0047725193990346675, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.004714210262726446, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 22,Generate Parentheses,62.7%,Medium,0.0043611059090124735, https://leetcode.com/problems/generate-parentheses
 215,Kth Largest Element in an Array,55.4%,Medium,0.003902443976931749, https://leetcode.com/problems/kth-largest-element-in-an-array
 78,Subsets,62.0%,Medium,0.00368765975195334, https://leetcode.com/problems/subsets
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.003639014205004082, https://leetcode.com/problems/binary-tree-level-order-traversal
 56,Merge Intervals,39.3%,Medium,0.0034728286335985107, https://leetcode.com/problems/merge-intervals
 136,Single Number,65.5%,Easy,0.002869648285357666, https://leetcode.com/problems/single-number
 21,Merge Two Sorted Lists,53.5%,Easy,0.0022551737583973706, https://leetcode.com/problems/merge-two-sorted-lists
--- a/atlassian_6months.csv
+++ b/atlassian_6months.csv
@@ -0,0 +1,22 @@
 1071,Greatest Common Divisor of Strings,52.9%,Easy,0.11954237676819192, https://leetcode.com/problems/greatest-common-divisor-of-strings
 366,Find Leaves of Binary Tree,70.6%,Medium,0.1180240366638968, https://leetcode.com/problems/find-leaves-of-binary-tree
 1223,Dice Roll Simulation,45.6%,Medium,0.10212949507637983, https://leetcode.com/problems/dice-roll-simulation
 362,Design Hit Counter,63.7%,Medium,0.09787757530957068, https://leetcode.com/problems/design-hit-counter
 981,Time Based Key-Value Store,53.1%,Medium,0.08621383525234454, https://leetcode.com/problems/time-based-key-value-store
 1366,Rank Teams by Votes,53.8%,Medium,0.07223355735937158, https://leetcode.com/problems/rank-teams-by-votes
 300,Longest Increasing Subsequence,42.6%,Medium,0.06265630749555627, https://leetcode.com/problems/longest-increasing-subsequence
 359,Logger Rate Limiter,70.8%,Easy,0.0467617659080393, https://leetcode.com/problems/logger-rate-limiter
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.03893646375009422, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 150,Evaluate Reverse Polish Notation,36.3%,Medium,0.031526253646773944, https://leetcode.com/problems/evaluate-reverse-polish-notation
 284,Peeking Iterator,45.7%,Medium,0.03110670713225487, https://leetcode.com/problems/peeking-iterator
 31,Next Permutation,32.6%,Medium,0.023747034562878154, https://leetcode.com/problems/next-permutation
 540,Single Element in a Sorted Array,57.9%,Medium,0.0192128868599912, https://leetcode.com/problems/single-element-in-a-sorted-array
 98,Validate Binary Search Tree,27.8%,Medium,0.01825801101705589, https://leetcode.com/problems/validate-binary-search-tree
 706,Design HashMap,61.3%,Easy,0.01752893260576219, https://leetcode.com/problems/design-hashmap
 872,Leaf-Similar Trees,64.5%,Easy,0.01752125418714782, https://leetcode.com/problems/leaf-similar-trees
 173,Binary Search Tree Iterator,56.6%,Medium,0.008489015324911316, https://leetcode.com/problems/binary-search-tree-iterator
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.004714210262726446, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 22,Generate Parentheses,62.7%,Medium,0.0043611059090124735, https://leetcode.com/problems/generate-parentheses
 46,Permutations,63.5%,Medium,0.004216302230139218, https://leetcode.com/problems/permutations
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.003639014205004082, https://leetcode.com/problems/binary-tree-level-order-traversal
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.0015556336509412823, https://leetcode.com/problems/longest-substring-without-repeating-characters
--- a/atlassian_alltime.csv
+++ b/atlassian_alltime.csv
@@ -0,0 +1,53 @@
 366,Find Leaves of Binary Tree,70.6%,Medium,0.5289140003341137, https://leetcode.com/problems/find-leaves-of-binary-tree
 981,Time Based Key-Value Store,53.1%,Medium,0.40162982547051973, https://leetcode.com/problems/time-based-key-value-store
 860,Lemonade Change,51.6%,Easy,0.3967602828188025, https://leetcode.com/problems/lemonade-change
 1120,Maximum Average Subtree,61.9%,Medium,0.2694761079552085, https://leetcode.com/problems/maximum-average-subtree
 1071,Greatest Common Divisor of Strings,52.9%,Easy,0.25580276615686737, https://leetcode.com/problems/greatest-common-divisor-of-strings
 821,Shortest Distance to a Character,66.9%,Easy,0.24320527953164725, https://leetcode.com/problems/shortest-distance-to-a-character
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.22166457131988548, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 362,Design Hit Counter,63.7%,Medium,0.20812125379246896, https://leetcode.com/problems/design-hit-counter
 253,Meeting Rooms II,45.7%,Medium,0.12203276379668937, https://leetcode.com/problems/meeting-rooms-ii
 284,Peeking Iterator,45.7%,Medium,0.11901099827011974, https://leetcode.com/problems/peeking-iterator
 1223,Dice Roll Simulation,45.6%,Medium,0.10212949507637983, https://leetcode.com/problems/dice-roll-simulation
 300,Longest Increasing Subsequence,42.6%,Medium,0.10155280044326445, https://leetcode.com/problems/longest-increasing-subsequence
 23,Merge k Sorted Lists,40.2%,Hard,0.09666556212354038, https://leetcode.com/problems/merge-k-sorted-lists
 20,Valid Parentheses,39.0%,Easy,0.09286263438126167, https://leetcode.com/problems/valid-parentheses
 359,Logger Rate Limiter,70.8%,Easy,0.08167803101426718, https://leetcode.com/problems/logger-rate-limiter
 1366,Rank Teams by Votes,53.8%,Medium,0.07223355735937158, https://leetcode.com/problems/rank-teams-by-votes
 200,Number of Islands,46.8%,Medium,0.06985103785996453, https://leetcode.com/problems/number-of-islands
 706,Design HashMap,61.3%,Easy,0.0683442674369718, https://leetcode.com/problems/design-hashmap
 98,Validate Binary Search Tree,27.8%,Medium,0.057985181512132535, https://leetcode.com/problems/validate-binary-search-tree
 540,Single Element in a Sorted Array,57.9%,Medium,0.042721256704769804, https://leetcode.com/problems/single-element-in-a-sorted-array
 844,Backspace String Compare,46.4%,Easy,0.041499730906752734, https://leetcode.com/problems/backspace-string-compare
 31,Next Permutation,32.6%,Medium,0.03686102113159897, https://leetcode.com/problems/next-permutation
 394,Decode String,50.0%,Medium,0.03227387813668991, https://leetcode.com/problems/decode-string
 150,Evaluate Reverse Polish Notation,36.3%,Medium,0.031526253646773944, https://leetcode.com/problems/evaluate-reverse-polish-notation
 547,Friend Circles,58.6%,Medium,0.027307522052851193, https://leetcode.com/problems/friend-circles
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.02516207671950806, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 713,Subarray Product Less Than K,39.1%,Medium,0.02473842915612247, https://leetcode.com/problems/subarray-product-less-than-k
 647,Palindromic Substrings,60.6%,Medium,0.023250853650202817, https://leetcode.com/problems/palindromic-substrings
 199,Binary Tree Right Side View,54.1%,Medium,0.022539339846061532, https://leetcode.com/problems/binary-tree-right-side-view
 101,Symmetric Tree,46.8%,Easy,0.02109782896463587, https://leetcode.com/problems/symmetric-tree
 341,Flatten Nested List Iterator,52.9%,Medium,0.019980684690483426, https://leetcode.com/problems/flatten-nested-list-iterator
 53,Maximum Subarray,46.5%,Easy,0.019336728821707075, https://leetcode.com/problems/maximum-subarray
 173,Binary Search Tree Iterator,56.6%,Medium,0.01899993824490396, https://leetcode.com/problems/binary-search-tree-iterator
 872,Leaf-Similar Trees,64.5%,Easy,0.01752125418714782, https://leetcode.com/problems/leaf-similar-trees
 46,Permutations,63.5%,Medium,0.016759583649075344, https://leetcode.com/problems/permutations
 680,Valid Palindrome II,36.6%,Easy,0.01632541245860885, https://leetcode.com/problems/valid-palindrome-ii
 701,Insert into a Binary Search Tree,77.7%,Medium,0.015522236371561826, https://leetcode.com/problems/insert-into-a-binary-search-tree
 528,Random Pick with Weight,43.9%,Medium,0.014831565905995232, https://leetcode.com/problems/random-pick-with-weight
 227,Basic Calculator II,36.9%,Medium,0.01239941490503826, https://leetcode.com/problems/basic-calculator-ii
 543,Diameter of Binary Tree,48.4%,Easy,0.011898606798495848, https://leetcode.com/problems/diameter-of-binary-tree
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.009683242444739549, https://leetcode.com/problems/longest-substring-without-repeating-characters
 295,Find Median from Data Stream,44.3%,Hard,0.00899893586856953, https://leetcode.com/problems/find-median-from-data-stream
 21,Merge Two Sorted Lists,53.5%,Easy,0.008990339814651234, https://leetcode.com/problems/merge-two-sorted-lists
 215,Kth Largest Element in an Array,55.4%,Medium,0.008759180089881562, https://leetcode.com/problems/kth-largest-element-in-an-array
 78,Subsets,62.0%,Medium,0.008278192969371254, https://leetcode.com/problems/subsets
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.008169238497129479, https://leetcode.com/problems/binary-tree-level-order-traversal
 692,Top K Frequent Words,51.8%,Medium,0.007516006820935329, https://leetcode.com/problems/top-k-frequent-words
 136,Single Number,65.5%,Easy,0.006445166968713385, https://leetcode.com/problems/single-number
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0047725193990346675, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.004714210262726446, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 22,Generate Parentheses,62.7%,Medium,0.0043611059090124735, https://leetcode.com/problems/generate-parentheses
 56,Merge Intervals,39.3%,Medium,0.0034728286335985107, https://leetcode.com/problems/merge-intervals
 1307,Verbal Arithmetic Puzzle,37.7%,Hard,0, https://leetcode.com/problems/verbal-arithmetic-puzzle
--- a/audible_1year.csv
+++ b/audible_1year.csv
@@ -0,0 +1,10 @@
 1228,Missing Number In Arithmetic Progression,52.6%,Easy,0.14893621100754167, https://leetcode.com/problems/missing-number-in-arithmetic-progression
 545,Boundary of Binary Tree,38.9%,Medium,0.0877756108823857, https://leetcode.com/problems/boundary-of-binary-tree
 472,Concatenated Words,43.7%,Hard,0.026615010757229714, https://leetcode.com/problems/concatenated-words
 140,Word Break II,32.6%,Hard,0.01660836687673306, https://leetcode.com/problems/word-break-ii
 73,Set Matrix Zeroes,43.1%,Medium,0.015010288493889185, https://leetcode.com/problems/set-matrix-zeroes
 200,Number of Islands,46.8%,Medium,0.011015601921505717, https://leetcode.com/problems/number-of-islands
 937,Reorder Data in Log Files,54.3%,Easy,0.00802733590076424, https://leetcode.com/problems/reorder-data-in-log-files
 42,Trapping Rain Water,48.9%,Hard,0.00411947029523883, https://leetcode.com/problems/trapping-rain-water
 139,Word Break,40.1%,Medium,0.003755167762323698, https://leetcode.com/problems/word-break
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0020383211296970956, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
--- a/audible_2year.csv
+++ b/audible_2year.csv
@@ -0,0 +1,15 @@
 1228,Missing Number In Arithmetic Progression,52.6%,Easy,0.14893621100754167, https://leetcode.com/problems/missing-number-in-arithmetic-progression
 545,Boundary of Binary Tree,38.9%,Medium,0.0877756108823857, https://leetcode.com/problems/boundary-of-binary-tree
 472,Concatenated Words,43.7%,Hard,0.026615010757229714, https://leetcode.com/problems/concatenated-words
 140,Word Break II,32.6%,Hard,0.01660836687673306, https://leetcode.com/problems/word-break-ii
 73,Set Matrix Zeroes,43.1%,Medium,0.015010288493889185, https://leetcode.com/problems/set-matrix-zeroes
 200,Number of Islands,46.8%,Medium,0.011015601921505717, https://leetcode.com/problems/number-of-islands
 139,Word Break,40.1%,Medium,0.008429383994401785, https://leetcode.com/problems/word-break
 937,Reorder Data in Log Files,54.3%,Easy,0.00802733590076424, https://leetcode.com/problems/reorder-data-in-log-files
 127,Word Ladder,29.6%,Medium,0.005731495844689608, https://leetcode.com/problems/word-ladder
 42,Trapping Rain Water,48.9%,Hard,0.00411947029523883, https://leetcode.com/problems/trapping-rain-water
 23,Merge k Sorted Lists,40.2%,Hard,0.0038759738446929853, https://leetcode.com/problems/merge-k-sorted-lists
 101,Symmetric Tree,46.8%,Easy,0.0032666423495169026, https://leetcode.com/problems/symmetric-tree
 20,Valid Parentheses,39.0%,Easy,0.002197682330605871, https://leetcode.com/problems/valid-parentheses
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0020383211296970956, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 1,Two Sum,45.6%,Easy,0.001767235914611495, https://leetcode.com/problems/two-sum
--- a/audible_6months.csv
+++ b/audible_6months.csv
@@ -0,0 +1,6 @@
 545,Boundary of Binary Tree,38.9%,Medium,0.03736177747025919, https://leetcode.com/problems/boundary-of-binary-tree
 472,Concatenated Words,43.7%,Hard,0.024011429628186427, https://leetcode.com/problems/concatenated-words
 140,Word Break II,32.6%,Hard,0.010661081786113668, https://leetcode.com/problems/word-break-ii
 937,Reorder Data in Log Files,54.3%,Easy,0.00802733590076424, https://leetcode.com/problems/reorder-data-in-log-files
 73,Set Matrix Zeroes,43.1%,Medium,0.006699070439072842, https://leetcode.com/problems/set-matrix-zeroes
 200,Number of Islands,46.8%,Medium,0.002765297303115152, https://leetcode.com/problems/number-of-islands
--- a/audible_alltime.csv
+++ b/audible_alltime.csv
@@ -0,0 +1,16 @@
 1228,Missing Number In Arithmetic Progression,52.6%,Easy,0.13219868307194554, https://leetcode.com/problems/missing-number-in-arithmetic-progression
 545,Boundary of Binary Tree,38.9%,Medium,0.0877756108823857, https://leetcode.com/problems/boundary-of-binary-tree
 200,Number of Islands,46.8%,Medium,0.04335253869282585, https://leetcode.com/problems/number-of-islands
 472,Concatenated Words,43.7%,Hard,0.026615010757229714, https://leetcode.com/problems/concatenated-words
 140,Word Break II,32.6%,Hard,0.023829562832983903, https://leetcode.com/problems/word-break-ii
 937,Reorder Data in Log Files,54.3%,Easy,0.017971729704467775, https://leetcode.com/problems/reorder-data-in-log-files
 23,Merge k Sorted Lists,40.2%,Hard,0.015414563401186755, https://leetcode.com/problems/merge-k-sorted-lists
 73,Set Matrix Zeroes,43.1%,Medium,0.015010288493889185, https://leetcode.com/problems/set-matrix-zeroes
 139,Word Break,40.1%,Medium,0.014936797494510552, https://leetcode.com/problems/word-break
 101,Symmetric Tree,46.8%,Easy,0.013003027580387157, https://leetcode.com/problems/symmetric-tree
 1,Two Sum,45.6%,Easy,0.009584050515388142, https://leetcode.com/problems/two-sum
 42,Trapping Rain Water,48.9%,Hard,0.009245058144051103, https://leetcode.com/problems/trapping-rain-water
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.008128473936202515, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 127,Word Ladder,29.6%,Medium,0.005731495844689608, https://leetcode.com/problems/word-ladder
 20,Valid Parentheses,39.0%,Easy,0.002197682330605871, https://leetcode.com/problems/valid-parentheses
 1200,Minimum Absolute Difference,66.6%,Easy,0, https://leetcode.com/problems/minimum-absolute-difference
--- a/baidu_2year.csv
+++ b/baidu_2year.csv
@@ -0,0 +1,16 @@
 871,Minimum Number of Refueling Stops,31.4%,Hard,0.021853241177366825, https://leetcode.com/problems/minimum-number-of-refueling-stops
 146,LRU Cache,33.2%,Medium,0.017369086240613615, https://leetcode.com/problems/lru-cache
 91,Decode Ways,24.7%,Medium,0.012884931303860403, https://leetcode.com/problems/decode-ways
 72,Edit Distance,44.8%,Hard,0.009571740941281605, https://leetcode.com/problems/edit-distance
 113,Path Sum II,46.7%,Medium,0.009374336284705936, https://leetcode.com/problems/path-sum-ii
 215,Kth Largest Element in an Array,55.4%,Medium,0.00838696557248326, https://leetcode.com/problems/kth-largest-element-in-an-array
 240,Search a 2D Matrix II,43.2%,Medium,0.007279377002901276, https://leetcode.com/problems/search-a-2d-matrix-ii
 33,Search in Rotated Sorted Array,34.5%,Medium,0.006961661779487692, https://leetcode.com/problems/search-in-rotated-sorted-array
 88,Merge Sorted Array,39.4%,Easy,0.006480904084083141, https://leetcode.com/problems/merge-sorted-array
 2,Add Two Numbers,33.9%,Medium,0.006462841091831753, https://leetcode.com/problems/add-two-numbers
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.005272883295230408, https://leetcode.com/problems/binary-tree-maximum-path-sum
 543,Diameter of Binary Tree,48.4%,Easy,0.005047966297304777, https://leetcode.com/problems/diameter-of-binary-tree
 1,Two Sum,45.6%,Easy,0.004901297870354067, https://leetcode.com/problems/two-sum
 15,3Sum,26.8%,Medium,0.002081166203824567, https://leetcode.com/problems/3sum
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.0014852223137141987, https://leetcode.com/problems/longest-substring-without-repeating-characters
 70,Climbing Stairs,47.8%,Easy,0.0014753073158671238, https://leetcode.com/problems/climbing-stairs
--- a/baidu_alltime.csv
+++ b/baidu_alltime.csv
@@ -0,0 +1,25 @@
 1,Two Sum,45.6%,Easy,0.7025051399779716, https://leetcode.com/problems/two-sum
 146,LRU Cache,33.2%,Medium,0.521413265967313, https://leetcode.com/problems/lru-cache
 72,Edit Distance,44.8%,Hard,0.4324285917613152, https://leetcode.com/problems/edit-distance
 2,Add Two Numbers,33.9%,Medium,0.4221159733636152, https://leetcode.com/problems/add-two-numbers
 33,Search in Rotated Sorted Array,34.5%,Medium,0.31895461826361493, https://leetcode.com/problems/search-in-rotated-sorted-array
 871,Minimum Number of Refueling Stops,31.4%,Hard,0.2887275508533339, https://leetcode.com/problems/minimum-number-of-refueling-stops
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.2884992176890934, https://leetcode.com/problems/longest-substring-without-repeating-characters
 70,Climbing Stairs,47.8%,Easy,0.25415654925180287, https://leetcode.com/problems/climbing-stairs
 215,Kth Largest Element in an Array,55.4%,Medium,0.0730646752411442, https://leetcode.com/problems/kth-largest-element-in-an-array
 88,Merge Sorted Array,39.4%,Easy,0.0451990505469574, https://leetcode.com/problems/merge-sorted-array
 240,Search a 2D Matrix II,43.2%,Medium,0.044650273737738826, https://leetcode.com/problems/search-a-2d-matrix-ii
 113,Path Sum II,46.7%,Medium,0.03698133452871584, https://leetcode.com/problems/path-sum-ii
 410,Split Array Largest Sum,44.5%,Hard,0.02436174074003527, https://leetcode.com/problems/split-array-largest-sum
 91,Decode Ways,24.7%,Medium,0.0227930095285566, https://leetcode.com/problems/decode-ways
 15,3Sum,26.8%,Medium,0.01857638557293541, https://leetcode.com/problems/3sum
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.005272883295230408, https://leetcode.com/problems/binary-tree-maximum-path-sum
 543,Diameter of Binary Tree,48.4%,Easy,0.005047966297304777, https://leetcode.com/problems/diameter-of-binary-tree
 588,Design In-Memory File System,45.9%,Hard,0, https://leetcode.com/problems/design-in-memory-file-system
 397,Integer Replacement,32.9%,Medium,0, https://leetcode.com/problems/integer-replacement
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 413,Arithmetic Slices,57.9%,Medium,0, https://leetcode.com/problems/arithmetic-slices
 446,Arithmetic Slices II - Subsequence,32.7%,Hard,0, https://leetcode.com/problems/arithmetic-slices-ii-subsequence
 488,Zuma Game,39.9%,Hard,0, https://leetcode.com/problems/zuma-game
 576,Out of Boundary Paths,35.1%,Medium,0, https://leetcode.com/problems/out-of-boundary-paths
 873,Length of Longest Fibonacci Subsequence,48.0%,Medium,0, https://leetcode.com/problems/length-of-longest-fibonacci-subsequence
--- a/barclays_1year.csv
+++ b/barclays_1year.csv
@@ -0,0 +1,2 @@
 509,Fibonacci Number,67.2%,Easy,0.010337721155330612, https://leetcode.com/problems/fibonacci-number
 20,Valid Parentheses,39.0%,Easy,0.005168860577665306, https://leetcode.com/problems/valid-parentheses
--- a/barclays_2year.csv
+++ b/barclays_2year.csv
@@ -0,0 +1,6 @@
 509,Fibonacci Number,67.2%,Easy,0.03801871583399193, https://leetcode.com/problems/fibonacci-number
 115,Distinct Subsequences,38.3%,Hard,0.027798871362742988, https://leetcode.com/problems/distinct-subsequences
 20,Valid Parentheses,39.0%,Easy,0.020517047266669974, https://leetcode.com/problems/valid-parentheses
 91,Decode Ways,24.7%,Medium,0.013379120336324091, https://leetcode.com/problems/decode-ways
 273,Integer to English Words,27.1%,Hard,0.012081089250339716, https://leetcode.com/problems/integer-to-english-words
 7,Reverse Integer,25.8%,Easy,0.0018612447790907708, https://leetcode.com/problems/reverse-integer
--- a/barclays_alltime.csv
+++ b/barclays_alltime.csv
@@ -0,0 +1,6 @@
 115,Distinct Subsequences,38.3%,Hard,0.10259092868139033, https://leetcode.com/problems/distinct-subsequences
 509,Fibonacci Number,67.2%,Easy,0.07958999426900074, https://leetcode.com/problems/fibonacci-number
 273,Integer to English Words,27.1%,Hard,0.06896929475435468, https://leetcode.com/problems/integer-to-english-words
 20,Valid Parentheses,39.0%,Easy,0.0631039942300807, https://leetcode.com/problems/valid-parentheses
 91,Decode Ways,24.7%,Medium,0.03248261950458574, https://leetcode.com/problems/decode-ways
 7,Reverse Integer,25.8%,Easy,0.0018612447790907708, https://leetcode.com/problems/reverse-integer
--- a/blackrock_1year.csv
+++ b/blackrock_1year.csv
@@ -0,0 +1,3 @@
 322,Coin Change,35.5%,Medium,0.014188948418642346, https://leetcode.com/problems/coin-change
 12,Integer to Roman,55.1%,Medium,0.008113634774169721, https://leetcode.com/problems/integer-to-roman
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0020383211296970956, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
--- a/blackrock_2year.csv
+++ b/blackrock_2year.csv
@@ -0,0 +1,6 @@
 322,Coin Change,35.5%,Medium,0.03257065710568334, https://leetcode.com/problems/coin-change
 12,Integer to Roman,55.1%,Medium,0.018163970627671163, https://leetcode.com/problems/integer-to-roman
 238,Product of Array Except Self,60.1%,Medium,0.003757284149658983, https://leetcode.com/problems/product-of-array-except-self
 200,Number of Islands,46.8%,Medium,0.002765297303115152, https://leetcode.com/problems/number-of-islands
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0020383211296970956, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 1,Two Sum,45.6%,Easy,0.001767235914611495, https://leetcode.com/problems/two-sum
--- a/blackrock_alltime.csv
+++ b/blackrock_alltime.csv
@@ -0,0 +1,6 @@
 322,Coin Change,35.5%,Medium,0.04715183980861924, https://leetcode.com/problems/coin-change
 1,Two Sum,45.6%,Easy,0.03267443218434049, https://leetcode.com/problems/two-sum
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.018197024560061743, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 12,Integer to Roman,55.1%,Medium,0.018163970627671163, https://leetcode.com/problems/integer-to-roman
 238,Product of Array Except Self,60.1%,Medium,0.014945168886283782, https://leetcode.com/problems/product-of-array-except-self
 200,Number of Islands,46.8%,Medium,0.006211200092640676, https://leetcode.com/problems/number-of-islands
--- a/blizzard_2year.csv
+++ b/blizzard_2year.csv
@@ -0,0 +1 @@
 20,Valid Parentheses,39.0%,Easy,0.0023005704055949323, https://leetcode.com/problems/valid-parentheses
--- a/blizzard_alltime.csv
+++ b/blizzard_alltime.csv
@@ -0,0 +1 @@
 20,Valid Parentheses,39.0%,Easy,0.055983722381420686, https://leetcode.com/problems/valid-parentheses
--- a/bloomberg_1year.csv
+++ b/bloomberg_1year.csv
@@ -0,0 +1,242 @@
 1396,Design Underground System,64.7%,Medium,2.155218657865939, https://leetcode.com/problems/design-underground-system
 1169,Invalid Transactions,31.2%,Medium,1.8705521944133323, https://leetcode.com/problems/invalid-transactions
 430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,1.8386285548491934, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
 394,Decode String,50.0%,Medium,1.5539620913965866, https://leetcode.com/problems/decode-string
 1274,Number of Ships in a Rectangle,66.3%,Hard,1.5168632132045061, https://leetcode.com/problems/number-of-ships-in-a-rectangle
 200,Number of Islands,46.8%,Medium,1.2569671029144711, https://leetcode.com/problems/number-of-islands
 1029,Two City Scheduling,56.1%,Easy,1.1652198458372507, https://leetcode.com/problems/two-city-scheduling
 1209,Remove All Adjacent Duplicates in String II,56.9%,Medium,1.1602010262797395, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii
 146,LRU Cache,33.2%,Medium,1.1237841453867323, https://leetcode.com/problems/lru-cache
 723,Candy Crush,69.2%,Medium,0.8391176819341255, https://leetcode.com/problems/candy-crush
 253,Meeting Rooms II,45.7%,Medium,0.8140532494267123, https://leetcode.com/problems/meeting-rooms-ii
 445,Add Two Numbers II,54.5%,Medium,0.5293867859741055, https://leetcode.com/problems/add-two-numbers-ii
 155,Min Stack,44.5%,Easy,0.5220441452861782, https://leetcode.com/problems/min-stack
 117,Populating Next Right Pointers in Each Node II,39.1%,Medium,0.4973329437215165, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
 2,Add Two Numbers,33.9%,Medium,0.49630461312547347, https://leetcode.com/problems/add-two-numbers
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.48958006104635376, https://leetcode.com/problems/insert-delete-getrandom-o1
 987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.4521972578125842, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
 1472,Design Browser History,64.6%,Medium,0.41985384556026395, https://leetcode.com/problems/design-browser-history
 387,First Unique Character in a String,53.4%,Easy,0.41045073684368005, https://leetcode.com/problems/first-unique-character-in-a-string
 98,Validate Binary Search Tree,27.8%,Medium,0.3538407427028572, https://leetcode.com/problems/validate-binary-search-tree
 390,Elimination Game,44.5%,Medium,0.33790695709687324, https://leetcode.com/problems/elimination-game
 611,Valid Triangle Number,48.4%,Medium,0.33024168687057687, https://leetcode.com/problems/valid-triangle-number
 314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.3133604469552722, https://leetcode.com/problems/binary-tree-vertical-order-traversal
 582,Kill Process,60.8%,Medium,0.29905506262405096, https://leetcode.com/problems/kill-process
 451,Sort Characters By Frequency,63.0%,Medium,0.285942725510602, https://leetcode.com/problems/sort-characters-by-frequency
 42,Trapping Rain Water,48.9%,Hard,0.27385241509061997, https://leetcode.com/problems/trapping-rain-water
 422,Valid Word Square,37.7%,Easy,0.2578291093020998, https://leetcode.com/problems/valid-word-square
 139,Word Break,40.1%,Medium,0.24836185186023652, https://leetcode.com/problems/word-break
 138,Copy List with Random Pointer,36.4%,Medium,0.2330001096609468, https://leetcode.com/problems/copy-list-with-random-pointer
 1,Two Sum,45.6%,Easy,0.2242758219657857, https://leetcode.com/problems/two-sum
 1223,Dice Roll Simulation,45.6%,Medium,0.2166710368085923, https://leetcode.com/problems/dice-roll-simulation
 12,Integer to Roman,55.1%,Medium,0.19410560740412444, https://leetcode.com/problems/integer-to-roman
 33,Search in Rotated Sorted Array,34.5%,Medium,0.1881816310890415, https://leetcode.com/problems/search-in-rotated-sorted-array
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.18722008570926535, https://leetcode.com/problems/longest-substring-without-repeating-characters
 797,All Paths From Source to Target,77.9%,Medium,0.18261007976444532, https://leetcode.com/problems/all-paths-from-source-to-target
 1244,Design A Leaderboard,60.7%,Medium,0.17763094743610072, https://leetcode.com/problems/design-a-leaderboard
 384,Shuffle an Array,52.8%,Medium,0.17247686769050424, https://leetcode.com/problems/shuffle-an-array
 283,Move Zeroes,57.8%,Easy,0.16968455522475076, https://leetcode.com/problems/move-zeroes
 116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.16897814162027025, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
 242,Valid Anagram,56.9%,Easy,0.1620140669319784, https://leetcode.com/problems/valid-anagram
 56,Merge Intervals,39.3%,Medium,0.1574006175650271, https://leetcode.com/problems/merge-intervals
 20,Valid Parentheses,39.0%,Easy,0.15392855906669206, https://leetcode.com/problems/valid-parentheses
 1047,Remove All Adjacent Duplicates In String,68.6%,Easy,0.14930349746217414, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string
 5,Longest Palindromic Substring,29.5%,Medium,0.12076411655886263, https://leetcode.com/problems/longest-palindromic-substring
 23,Merge k Sorted Lists,40.2%,Hard,0.11583022971243631, https://leetcode.com/problems/merge-k-sorted-lists
 328,Odd Even Linked List,55.7%,Medium,0.11579884452311498, https://leetcode.com/problems/odd-even-linked-list
 1188,Design Bounded Blocking Queue,70.5%,Medium,0.11030454201470608, https://leetcode.com/problems/design-bounded-blocking-queue
 695,Max Area of Island,62.7%,Medium,0.10876995385464024, https://leetcode.com/problems/max-area-of-island
 924,Minimize Malware Spread,42.0%,Hard,0.10821358464023274, https://leetcode.com/problems/minimize-malware-spread
 128,Longest Consecutive Sequence,45.1%,Hard,0.10561054122992579, https://leetcode.com/problems/longest-consecutive-sequence
 1060,Missing Element in Sorted Array,54.5%,Medium,0.1042610103244094, https://leetcode.com/problems/missing-element-in-sorted-array
 658,Find K Closest Elements,40.9%,Medium,0.0995648587647672, https://leetcode.com/problems/find-k-closest-elements
 41,First Missing Positive,32.0%,Hard,0.0979525363954321, https://leetcode.com/problems/first-missing-positive
 463,Island Perimeter,65.7%,Easy,0.0943601559822778, https://leetcode.com/problems/island-perimeter
 21,Merge Two Sorted Lists,53.5%,Easy,0.09110919511165776, https://leetcode.com/problems/merge-two-sorted-lists
 652,Find Duplicate Subtrees,50.2%,Medium,0.08907963005368878, https://leetcode.com/problems/find-duplicate-subtrees
 15,3Sum,26.8%,Medium,0.08893577620894672, https://leetcode.com/problems/3sum
 991,Broken Calculator,45.6%,Medium,0.08515780834030685, https://leetcode.com/problems/broken-calculator
 10,Regular Expression Matching,26.8%,Hard,0.08466459371201616, https://leetcode.com/problems/regular-expression-matching
 332,Reconstruct Itinerary,36.7%,Medium,0.08302143328026106, https://leetcode.com/problems/reconstruct-itinerary
 813,Largest Sum of Averages,49.9%,Medium,0.08201315166083516, https://leetcode.com/problems/largest-sum-of-averages
 140,Word Break II,32.6%,Hard,0.07881168148917794, https://leetcode.com/problems/word-break-ii
 1297,Maximum Number of Occurrences of a Substring,47.3%,Medium,0.07770898432731625, https://leetcode.com/problems/maximum-number-of-occurrences-of-a-substring
 1347,Minimum Number of Steps to Make Two Strings Anagram,74.7%,Medium,0.07742472477971579, https://leetcode.com/problems/minimum-number-of-steps-to-make-two-strings-anagram
 399,Evaluate Division,51.6%,Medium,0.07536521894921006, https://leetcode.com/problems/evaluate-division
 214,Shortest Palindrome,29.8%,Hard,0.0753494372417868, https://leetcode.com/problems/shortest-palindrome
 49,Group Anagrams,56.9%,Medium,0.07434615245733686, https://leetcode.com/problems/group-anagrams
 79,Word Search,35.6%,Medium,0.06802605972322294, https://leetcode.com/problems/word-search
 199,Binary Tree Right Side View,54.1%,Medium,0.06748154336946242, https://leetcode.com/problems/binary-tree-right-side-view
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.06685522312111739, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 1145,Binary Tree Coloring Game,51.2%,Medium,0.06592172080482424, https://leetcode.com/problems/binary-tree-coloring-game
 662,Maximum Width of Binary Tree,41.0%,Medium,0.06560589270959301, https://leetcode.com/problems/maximum-width-of-binary-tree
 565,Array Nesting,55.5%,Medium,0.06351340572232586, https://leetcode.com/problems/array-nesting
 397,Integer Replacement,32.9%,Medium,0.06331227941432688, https://leetcode.com/problems/integer-replacement
 353,Design Snake Game,34.2%,Medium,0.06053284922884233, https://leetcode.com/problems/design-snake-game
 221,Maximal Square,37.7%,Medium,0.060244665945199054, https://leetcode.com/problems/maximal-square
 8,String to Integer (atoi),15.4%,Medium,0.0590196151944673, https://leetcode.com/problems/string-to-integer-atoi
 417,Pacific Atlantic Water Flow,41.1%,Medium,0.057523844138186606, https://leetcode.com/problems/pacific-atlantic-water-flow
 78,Subsets,62.0%,Medium,0.05743033072740612, https://leetcode.com/problems/subsets
 1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.05613145611169511, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
 752,Open the Lock,51.8%,Medium,0.05449289949671372, https://leetcode.com/problems/open-the-lock
 1054,Distant Barcodes,43.2%,Medium,0.054435206555017046, https://leetcode.com/problems/distant-barcodes
 44,Wildcard Matching,24.7%,Hard,0.053722215229247965, https://leetcode.com/problems/wildcard-matching
 53,Maximum Subarray,46.5%,Easy,0.052816160704876255, https://leetcode.com/problems/maximum-subarray
 85,Maximal Rectangle,37.7%,Hard,0.05229949940284891, https://leetcode.com/problems/maximal-rectangle
 173,Binary Search Tree Iterator,56.6%,Medium,0.0519111767751893, https://leetcode.com/problems/binary-search-tree-iterator
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.05179016768312839, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 286,Walls and Gates,54.5%,Medium,0.05155780966485001, https://leetcode.com/problems/walls-and-gates
 708,Insert into a Sorted Circular Linked List,31.6%,Medium,0.05142521180743711, https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
 84,Largest Rectangle in Histogram,35.2%,Hard,0.051000241824383195, https://leetcode.com/problems/largest-rectangle-in-histogram
 1312,Minimum Insertion Steps to Make a String Palindrome,58.1%,Hard,0.050261834780888255, https://leetcode.com/problems/minimum-insertion-steps-to-make-a-string-palindrome
 269,Alien Dictionary,33.3%,Hard,0.04997917057465883, https://leetcode.com/problems/alien-dictionary
 285,Inorder Successor in BST,40.4%,Medium,0.049569618859417214, https://leetcode.com/problems/inorder-successor-in-bst
 518,Coin Change 2,50.2%,Medium,0.04919528672454412, https://leetcode.com/problems/coin-change-2
 889,Construct Binary Tree from Preorder and Postorder Traversal,66.2%,Medium,0.04902942724031861, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal
 759,Employee Free Time,66.3%,Hard,0.04861224405509378, https://leetcode.com/problems/employee-free-time
 322,Coin Change,35.5%,Medium,0.04828048261319787, https://leetcode.com/problems/coin-change
 88,Merge Sorted Array,39.4%,Easy,0.04710909306080898, https://leetcode.com/problems/merge-sorted-array
 692,Top K Frequent Words,51.8%,Medium,0.046074115337669586, https://leetcode.com/problems/top-k-frequent-words
 90,Subsets II,47.1%,Medium,0.044888321248134265, https://leetcode.com/problems/subsets-ii
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.04369064305418892, https://leetcode.com/problems/binary-tree-level-order-traversal
 716,Max Stack,42.6%,Easy,0.042695919196489414, https://leetcode.com/problems/max-stack
 229,Majority Element II,35.6%,Medium,0.04237922296886145, https://leetcode.com/problems/majority-element-ii
 727,Minimum Window Subsequence,41.8%,Hard,0.04237922296886145, https://leetcode.com/problems/minimum-window-subsequence
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.04234332805480797, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 1155,Number of Dice Rolls With Target Sum,49.0%,Medium,0.04204262329555109, https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
 503,Next Greater Element II,56.5%,Medium,0.041944638750466105, https://leetcode.com/problems/next-greater-element-ii
 92,Reverse Linked List II,38.8%,Medium,0.041073535208287514, https://leetcode.com/problems/reverse-linked-list-ii
 292,Nim Game,54.9%,Easy,0.03996979643236185, https://leetcode.com/problems/nim-game
 72,Edit Distance,44.8%,Hard,0.039482058697133414, https://leetcode.com/problems/edit-distance
 993,Cousins in Binary Tree,52.0%,Easy,0.03876454345024432, https://leetcode.com/problems/cousins-in-binary-tree
 22,Generate Parentheses,62.7%,Medium,0.038581724751038625, https://leetcode.com/problems/generate-parentheses
 31,Next Permutation,32.6%,Medium,0.03686102113159897, https://leetcode.com/problems/next-permutation
 127,Word Ladder,29.6%,Medium,0.03679590970204585, https://leetcode.com/problems/word-ladder
 673,Number of Longest Increasing Subsequence,35.7%,Medium,0.036467121912812143, https://leetcode.com/problems/number-of-longest-increasing-subsequence
 250,Count Univalue Subtrees,52.0%,Medium,0.036235848454044865, https://leetcode.com/problems/count-univalue-subtrees
 71,Simplify Path,32.6%,Medium,0.03622126343431837, https://leetcode.com/problems/simplify-path
 650,2 Keys Keyboard,49.2%,Medium,0.035910501305770864, https://leetcode.com/problems/2-keys-keyboard
 125,Valid Palindrome,36.7%,Easy,0.035266657982323354, https://leetcode.com/problems/valid-palindrome
 4,Median of Two Sorted Arrays,29.6%,Hard,0.034565653112280895, https://leetcode.com/problems/median-of-two-sorted-arrays
 274,H-Index,36.1%,Medium,0.03364488914272426, https://leetcode.com/problems/h-index
 209,Minimum Size Subarray Sum,38.2%,Medium,0.033239453928687726, https://leetcode.com/problems/minimum-size-subarray-sum
 694,Number of Distinct Islands,56.0%,Medium,0.03278982282299087, https://leetcode.com/problems/number-of-distinct-islands
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.03200842244384717, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 1123,Lowest Common Ancestor of Deepest Leaves,66.8%,Medium,0.03147388037973136, https://leetcode.com/problems/lowest-common-ancestor-of-deepest-leaves
 69,Sqrt(x),33.9%,Easy,0.03146892772463772, https://leetcode.com/problems/sqrtx
 222,Count Complete Tree Nodes,46.8%,Medium,0.031263400619043376, https://leetcode.com/problems/count-complete-tree-nodes
 460,LFU Cache,34.2%,Hard,0.030962225603966897, https://leetcode.com/problems/lfu-cache
 557,Reverse Words in a String III,69.8%,Easy,0.03063547953861342, https://leetcode.com/problems/reverse-words-in-a-string-iii
 160,Intersection of Two Linked Lists,40.6%,Easy,0.030246680296091687, https://leetcode.com/problems/intersection-of-two-linked-lists
 846,Hand of Straights,54.2%,Medium,0.029284669545175425, https://leetcode.com/problems/hand-of-straights
 413,Arithmetic Slices,57.9%,Medium,0.028431197162004825, https://leetcode.com/problems/arithmetic-slices
 46,Permutations,63.5%,Medium,0.026064861710547768, https://leetcode.com/problems/permutations
 136,Single Number,65.5%,Easy,0.025535113202894706, https://leetcode.com/problems/single-number
 30,Substring with Concatenation of All Words,25.4%,Hard,0.02486144206532915, https://leetcode.com/problems/substring-with-concatenation-of-all-words
 149,Max Points on a Line,16.9%,Hard,0.02484599858653081, https://leetcode.com/problems/max-points-on-a-line
 76,Minimum Window Substring,34.6%,Hard,0.024696424154275233, https://leetcode.com/problems/minimum-window-substring
 64,Minimum Path Sum,54.5%,Medium,0.024287775531756203, https://leetcode.com/problems/minimum-path-sum
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.024228925974379843, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 348,Design Tic-Tac-Toe,54.3%,Medium,0.024214258120594613, https://leetcode.com/problems/design-tic-tac-toe
 99,Recover Binary Search Tree,39.7%,Hard,0.02310905839365837, https://leetcode.com/problems/recover-binary-search-tree
 13,Roman to Integer,55.7%,Easy,0.021239435742925746, https://leetcode.com/problems/roman-to-integer
 101,Symmetric Tree,46.8%,Easy,0.02109782896463587, https://leetcode.com/problems/symmetric-tree
 359,Logger Rate Limiter,70.8%,Easy,0.021053409197832343, https://leetcode.com/problems/logger-rate-limiter
 97,Interleaving String,31.5%,Hard,0.020471543980187256, https://leetcode.com/problems/interleaving-string
 424,Longest Repeating Character Replacement,47.0%,Medium,0.020461071871340063, https://leetcode.com/problems/longest-repeating-character-replacement
 784,Letter Case Permutation,64.6%,Medium,0.02026411791905559, https://leetcode.com/problems/letter-case-permutation
 295,Find Median from Data Stream,44.3%,Hard,0.0201349084090559, https://leetcode.com/problems/find-median-from-data-stream
 721,Accounts Merge,48.8%,Medium,0.01888630262874805, https://leetcode.com/problems/accounts-merge
 532,K-diff Pairs in an Array,31.6%,Easy,0.018735911057469818, https://leetcode.com/problems/k-diff-pairs-in-an-array
 450,Delete Node in a BST,43.1%,Medium,0.018536211907915243, https://leetcode.com/problems/delete-node-in-a-bst
 234,Palindrome Linked List,39.3%,Easy,0.01801241989645556, https://leetcode.com/problems/palindrome-linked-list
 126,Word Ladder II,22.1%,Hard,0.017994187717865196, https://leetcode.com/problems/word-ladder-ii
 6,ZigZag Conversion,36.3%,Medium,0.01726827253226344, https://leetcode.com/problems/zigzag-conversion
 415,Add Strings,47.5%,Easy,0.016991158247219373, https://leetcode.com/problems/add-strings
 402,Remove K Digits,28.4%,Medium,0.016863806052004816, https://leetcode.com/problems/remove-k-digits
 188,Best Time to Buy and Sell Stock IV,28.0%,Hard,0.01651565203072114, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.015272005981326173, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 29,Divide Two Integers,16.4%,Medium,0.01517479801923515, https://leetcode.com/problems/divide-two-integers
 118,Pascal's Triangle,52.5%,Easy,0.015123796918620345, https://leetcode.com/problems/pascals-triangle
 1025,Divisor Game,66.3%,Easy,0.015015297119995507, https://leetcode.com/problems/divisor-game
 153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.014939586916186732, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
 516,Longest Palindromic Subsequence,53.2%,Medium,0.014931221774984842, https://leetcode.com/problems/longest-palindromic-subsequence
 621,Task Scheduler,50.1%,Medium,0.014546980601820143, https://leetcode.com/problems/task-scheduler
 301,Remove Invalid Parentheses,43.3%,Hard,0.01446679841775339, https://leetcode.com/problems/remove-invalid-parentheses
 109,Convert Sorted List to Binary Search Tree,47.7%,Medium,0.014440684154794336, https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
 912,Sort an Array,63.9%,Medium,0.01443026482902881, https://leetcode.com/problems/sort-an-array
 202,Happy Number,50.4%,Easy,0.014045174703047602, https://leetcode.com/problems/happy-number
 404,Sum of Left Leaves,50.9%,Easy,0.013981353230340547, https://leetcode.com/problems/sum-of-left-leaves
 24,Swap Nodes in Pairs,50.4%,Medium,0.013945066390122038, https://leetcode.com/problems/swap-nodes-in-pairs
 443,String Compression,41.3%,Easy,0.01390843004613198, https://leetcode.com/problems/string-compression
 724,Find Pivot Index,44.0%,Easy,0.013850636933899008, https://leetcode.com/problems/find-pivot-index
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.013400535537482126, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 347,Top K Frequent Elements,61.2%,Medium,0.01329217620893675, https://leetcode.com/problems/top-k-frequent-elements
 219,Contains Duplicate II,37.7%,Easy,0.01276748910345265, https://leetcode.com/problems/contains-duplicate-ii
 852,Peak Index in a Mountain Array,71.6%,Easy,0.012618463959211509, https://leetcode.com/problems/peak-index-in-a-mountain-array
 152,Maximum Product Subarray,31.7%,Medium,0.012534983069696118, https://leetcode.com/problems/maximum-product-subarray
 112,Path Sum,41.2%,Easy,0.012265076074932503, https://leetcode.com/problems/path-sum
 437,Path Sum III,47.2%,Medium,0.012128711446614806, https://leetcode.com/problems/path-sum-iii
 9,Palindrome Number,48.4%,Easy,0.01209661684713821, https://leetcode.com/problems/palindrome-number
 273,Integer to English Words,27.1%,Hard,0.012081089250339716, https://leetcode.com/problems/integer-to-english-words
 81,Search in Rotated Sorted Array II,33.0%,Medium,0.011689203815677656, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.011261380272539033, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 232,Implement Queue using Stacks,49.6%,Easy,0.011242389348933884, https://leetcode.com/problems/implement-queue-using-stacks
 171,Excel Sheet Column Number,55.9%,Easy,0.011195191092491645, https://leetcode.com/problems/excel-sheet-column-number
 207,Course Schedule,43.1%,Medium,0.01113459480911671, https://leetcode.com/problems/course-schedule
 268,Missing Number,51.7%,Easy,0.010947682628191997, https://leetcode.com/problems/missing-number
 338,Counting Bits,69.5%,Medium,0.01088446119842327, https://leetcode.com/problems/counting-bits
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.010575891759058162, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 572,Subtree of Another Tree,44.1%,Easy,0.01045487829263024, https://leetcode.com/problems/subtree-of-another-tree
 47,Permutations II,46.4%,Medium,0.009673594178378379, https://leetcode.com/problems/permutations-ii
 40,Combination Sum II,48.2%,Medium,0.009578617297069781, https://leetcode.com/problems/combination-sum-ii
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.009531951009811851, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 96,Unique Binary Search Trees,52.9%,Medium,0.009242209964820877, https://leetcode.com/problems/unique-binary-search-trees
 392,Is Subsequence,49.2%,Easy,0.009088906012344746, https://leetcode.com/problems/is-subsequence
 215,Kth Largest Element in an Array,55.4%,Medium,0.008759180089881562, https://leetcode.com/problems/kth-largest-element-in-an-array
 63,Unique Paths II,34.6%,Medium,0.008712753874961187, https://leetcode.com/problems/unique-paths-ii
 198,House Robber,42.0%,Easy,0.008434914115059812, https://leetcode.com/problems/house-robber
 617,Merge Two Binary Trees,74.1%,Easy,0.008262802639833214, https://leetcode.com/problems/merge-two-binary-trees
 239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.007532046655581962, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 16,3Sum Closest,46.0%,Medium,0.0075259057003469075, https://leetcode.com/problems/3sum-closest
 14,Longest Common Prefix,35.4%,Easy,0.00745530292090591, https://leetcode.com/problems/longest-common-prefix
 7,Reverse Integer,25.8%,Easy,0.007424283556794391, https://leetcode.com/problems/reverse-integer
 176,Second Highest Salary,31.6%,Easy,0.007393749024938284, https://leetcode.com/problems/second-highest-salary
 344,Reverse String,68.5%,Easy,0.00734157796234515, https://leetcode.com/problems/reverse-string
 36,Valid Sudoku,48.7%,Medium,0.007258242715805398, https://leetcode.com/problems/valid-sudoku
 349,Intersection of Two Arrays,62.5%,Easy,0.00725034896230682, https://leetcode.com/problems/intersection-of-two-arrays
 412,Fizz Buzz,62.3%,Easy,0.007165921026143679, https://leetcode.com/problems/fizz-buzz
 110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
 19,Remove Nth Node From End of List,35.2%,Medium,0.0069087555063702365, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 11,Container With Most Water,50.8%,Medium,0.006889188300412141, https://leetcode.com/problems/container-with-most-water
 448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.006863444924982415, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
 54,Spiral Matrix,34.1%,Medium,0.0065941551175130245, https://leetcode.com/problems/spiral-matrix
 203,Remove Linked List Elements,38.6%,Easy,0.006479067005887776, https://leetcode.com/problems/remove-linked-list-elements
 162,Find Peak Element,43.3%,Medium,0.006350235659345837, https://leetcode.com/problems/find-peak-element
 230,Kth Smallest Element in a BST,60.2%,Medium,0.0063361529894967236, https://leetcode.com/problems/kth-smallest-element-in-a-bst
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.006261761223976207, https://leetcode.com/problems/maximum-depth-of-binary-tree
 144,Binary Tree Preorder Traversal,55.7%,Medium,0.0060975798681185, https://leetcode.com/problems/binary-tree-preorder-traversal
 91,Decode Ways,24.7%,Medium,0.005968385368349129, https://leetcode.com/problems/decode-ways
 39,Combination Sum,56.1%,Medium,0.005715934396440999, https://leetcode.com/problems/combination-sum
 50,Pow(x, n),30.3%,Medium,0.0055950070772402055, https://leetcode.com/problems/powx-n
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.005554027051374908, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.005531752454833179, https://leetcode.com/problems/binary-tree-maximum-path-sum
 287,Find the Duplicate Number,55.5%,Medium,0.005501320434837602, https://leetcode.com/problems/find-the-duplicate-number
 543,Diameter of Binary Tree,48.4%,Easy,0.005305755914149804, https://leetcode.com/problems/diameter-of-binary-tree
 237,Delete Node in a Linked List,63.8%,Easy,0.005144705881237697, https://leetcode.com/problems/delete-node-in-a-linked-list
 55,Jump Game,34.6%,Medium,0.005022612266291382, https://leetcode.com/problems/jump-game
 75,Sort Colors,47.3%,Medium,0.004992521603120986, https://leetcode.com/problems/sort-colors
 62,Unique Paths,54.1%,Medium,0.004621080312067025, https://leetcode.com/problems/unique-paths
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.0044018999217624675, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.004385117141850828, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 28,Implement strStr(),34.5%,Easy,0.003943222775040032, https://leetcode.com/problems/implement-strstr
 238,Product of Array Except Self,60.1%,Medium,0.003930436424724545, https://leetcode.com/problems/product-of-array-except-self
 977,Squares of a Sorted Array,72.1%,Easy,0.003891055492966611, https://leetcode.com/problems/squares-of-a-sorted-array
 27,Remove Element,48.2%,Easy,0.0035524016043678225, https://leetcode.com/problems/remove-element
 94,Binary Tree Inorder Traversal,63.3%,Medium,0.0033551449021403577, https://leetcode.com/problems/binary-tree-inorder-traversal
 1480,Running Sum of 1d Array,90.5%,Easy,0.0026196884456014947, https://leetcode.com/problems/running-sum-of-1d-array
 206,Reverse Linked List,62.5%,Easy,0.0023398665252948926, https://leetcode.com/problems/reverse-linked-list
 258,Add Digits,57.6%,Easy,0.0020686809197766587, https://leetcode.com/problems/add-digits
 70,Climbing Stairs,47.8%,Easy,0.0015084665529624085, https://leetcode.com/problems/climbing-stairs
 100,Same Tree,53.4%,Easy,0.0014080047382258295, https://leetcode.com/problems/same-tree
--- a/bloomberg_2year.csv
+++ b/bloomberg_2year.csv
@@ -0,0 +1,333 @@
 1396,Design Underground System,64.7%,Medium,2.1135252465771397, https://leetcode.com/problems/design-underground-system
 430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,2.069920145220796, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
 394,Decode String,50.0%,Medium,1.922952973608821, https://leetcode.com/problems/decode-string
 1169,Invalid Transactions,31.2%,Medium,1.775985801996846, https://leetcode.com/problems/invalid-transactions
 146,LRU Cache,33.2%,Medium,1.7600666299446097, https://leetcode.com/problems/lru-cache
 723,Candy Crush,69.2%,Medium,1.6530191678816324, https://leetcode.com/problems/candy-crush
 200,Number of Islands,46.8%,Medium,1.615390367064938, https://leetcode.com/problems/number-of-islands
 138,Copy List with Random Pointer,36.4%,Medium,1.6042707455750564, https://leetcode.com/problems/copy-list-with-random-pointer
 1274,Number of Ships in a Rectangle,66.3%,Hard,1.4573035739630815, https://leetcode.com/problems/number-of-ships-in-a-rectangle
 253,Meeting Rooms II,45.7%,Medium,1.3103364023511066, https://leetcode.com/problems/meeting-rooms-ii
 1029,Two City Scheduling,56.1%,Easy,1.1960323376867015, https://leetcode.com/problems/two-city-scheduling
 1209,Remove All Adjacent Duplicates in String II,56.9%,Medium,1.1910135181291903, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii
 582,Kill Process,60.8%,Medium,1.1380445719557106, https://leetcode.com/problems/kill-process
 451,Sort Characters By Frequency,63.0%,Medium,0.9935802696598246, https://leetcode.com/problems/sort-characters-by-frequency
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.9628799998106988, https://leetcode.com/problems/insert-delete-getrandom-o1
 117,Populating Next Right Pointers in Each Node II,39.1%,Medium,0.9038177676556401, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
 445,Add Two Numbers II,54.5%,Medium,0.8983751201781012, https://leetcode.com/problems/add-two-numbers-ii
 42,Trapping Rain Water,48.9%,Hard,0.8947784585060016, https://leetcode.com/problems/trapping-rain-water
 98,Validate Binary Search Tree,27.8%,Medium,0.868197514095562, https://leetcode.com/problems/validate-binary-search-tree
 2,Add Two Numbers,33.9%,Medium,0.8456334552268243, https://leetcode.com/problems/add-two-numbers
 387,First Unique Character in a String,53.4%,Easy,0.8077227245408917, https://leetcode.com/problems/first-unique-character-in-a-string
 155,Min Stack,44.5%,Easy,0.7784701890607135, https://leetcode.com/problems/min-stack
 611,Valid Triangle Number,48.4%,Medium,0.6315030174487386, https://leetcode.com/problems/valid-triangle-number
 1,Two Sum,45.6%,Easy,0.5958586063072399, https://leetcode.com/problems/two-sum
 116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.5943515521873914, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
 56,Merge Intervals,39.3%,Medium,0.5781542132082721, https://leetcode.com/problems/merge-intervals
 242,Valid Anagram,56.9%,Easy,0.5645542892855558, https://leetcode.com/problems/valid-anagram
 33,Search in Rotated Sorted Array,34.5%,Medium,0.5189131805357498, https://leetcode.com/problems/search-in-rotated-sorted-array
 987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.5046220573152461, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
 460,LFU Cache,34.2%,Hard,0.49273850527484675, https://leetcode.com/problems/lfu-cache
 390,Elimination Game,44.5%,Medium,0.487438691067837, https://leetcode.com/problems/elimination-game
 20,Valid Parentheses,39.0%,Easy,0.4867693607438125, https://leetcode.com/problems/valid-parentheses
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.48411466774638867, https://leetcode.com/problems/longest-substring-without-repeating-characters
 139,Word Break,40.1%,Medium,0.4760457233294034, https://leetcode.com/problems/word-break
 399,Evaluate Division,51.6%,Medium,0.46497633645538805, https://leetcode.com/problems/evaluate-division
 314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.4380937008921841, https://leetcode.com/problems/binary-tree-vertical-order-traversal
 1472,Design Browser History,64.6%,Medium,0.41985384556026395, https://leetcode.com/problems/design-browser-history
 488,Zuma Game,39.9%,Hard,0.3999856423435388, https://leetcode.com/problems/zuma-game
 269,Alien Dictionary,33.3%,Hard,0.379287301768956, https://leetcode.com/problems/alien-dictionary
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.3666595336863693, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 692,Top K Frequent Words,51.8%,Medium,0.35372832097636575, https://leetcode.com/problems/top-k-frequent-words
 12,Integer to Roman,55.1%,Medium,0.35057238514000694, https://leetcode.com/problems/integer-to-roman
 554,Brick Wall,50.0%,Medium,0.34539039007242767, https://leetcode.com/problems/brick-wall
 301,Remove Invalid Parentheses,43.3%,Hard,0.3106405420076888, https://leetcode.com/problems/remove-invalid-parentheses
 797,All Paths From Source to Target,77.9%,Medium,0.3046654057632776, https://leetcode.com/problems/all-paths-from-source-to-target
 283,Move Zeroes,57.8%,Easy,0.27654976037504925, https://leetcode.com/problems/move-zeroes
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.2757228816736699, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 422,Valid Word Square,37.7%,Easy,0.2578291093020998, https://leetcode.com/problems/valid-word-square
 23,Merge k Sorted Lists,40.2%,Hard,0.2572061238898046, https://leetcode.com/problems/merge-k-sorted-lists
 662,Maximum Width of Binary Tree,41.0%,Medium,0.23997959968856164, https://leetcode.com/problems/maximum-width-of-binary-tree
 15,3Sum,26.8%,Medium,0.23615702163919466, https://leetcode.com/problems/3sum
 79,Word Search,35.6%,Medium,0.23137350418457728, https://leetcode.com/problems/word-search
 10,Regular Expression Matching,26.8%,Hard,0.23083119919105394, https://leetcode.com/problems/regular-expression-matching
 21,Merge Two Sorted Lists,53.5%,Easy,0.22227395167049366, https://leetcode.com/problems/merge-two-sorted-lists
 1223,Dice Roll Simulation,45.6%,Medium,0.2166710368085923, https://leetcode.com/problems/dice-roll-simulation
 5,Longest Palindromic Substring,29.5%,Medium,0.20554421123878217, https://leetcode.com/problems/longest-palindromic-substring
 463,Island Perimeter,65.7%,Easy,0.20102047685235075, https://leetcode.com/problems/island-perimeter
 214,Shortest Palindrome,29.8%,Hard,0.19671029424605424, https://leetcode.com/problems/shortest-palindrome
 173,Binary Search Tree Iterator,56.6%,Medium,0.1932027494363769, https://leetcode.com/problems/binary-search-tree-iterator
 1047,Remove All Adjacent Duplicates In String,68.6%,Easy,0.19088376654809422, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string
 658,Find K Closest Elements,40.9%,Medium,0.18663941293482042, https://leetcode.com/problems/find-k-closest-elements
 199,Binary Tree Right Side View,54.1%,Medium,0.18661020557359304, https://leetcode.com/problems/binary-tree-right-side-view
 140,Word Break II,32.6%,Hard,0.17885934906548379, https://leetcode.com/problems/word-break-ii
 1244,Design A Leaderboard,60.7%,Medium,0.17763094743610072, https://leetcode.com/problems/design-a-leaderboard
 328,Odd Even Linked List,55.7%,Medium,0.17548836529558792, https://leetcode.com/problems/odd-even-linked-list
 384,Shuffle an Array,52.8%,Medium,0.17247686769050424, https://leetcode.com/problems/shuffle-an-array
 971,Flip Binary Tree To Match Preorder Traversal,45.7%,Medium,0.1670540846631662, https://leetcode.com/problems/flip-binary-tree-to-match-preorder-traversal
 53,Maximum Subarray,46.5%,Easy,0.16188416901715558, https://leetcode.com/problems/maximum-subarray
 443,String Compression,41.3%,Easy,0.15834355808729428, https://leetcode.com/problems/string-compression
 322,Coin Change,35.5%,Medium,0.1575195768933631, https://leetcode.com/problems/coin-change
 332,Reconstruct Itinerary,36.7%,Medium,0.15671959735502852, https://leetcode.com/problems/reconstruct-itinerary
 72,Edit Distance,44.8%,Hard,0.14935692774322157, https://leetcode.com/problems/edit-distance
 41,First Missing Positive,32.0%,Hard,0.14910731703527175, https://leetcode.com/problems/first-missing-positive
 273,Integer to English Words,27.1%,Hard,0.13879705494759292, https://leetcode.com/problems/integer-to-english-words
 128,Longest Consecutive Sequence,45.1%,Hard,0.13583040733187832, https://leetcode.com/problems/longest-consecutive-sequence
 49,Group Anagrams,56.9%,Medium,0.1285763065181971, https://leetcode.com/problems/group-anagrams
 118,Pascal's Triangle,52.5%,Easy,0.12852395589356347, https://leetcode.com/problems/pascals-triangle
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.1275803229646801, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 694,Number of Distinct Islands,56.0%,Medium,0.12516314295400602, https://leetcode.com/problems/number-of-distinct-islands
 92,Reverse Linked List II,38.8%,Medium,0.12080664535613118, https://leetcode.com/problems/reverse-linked-list-ii
 88,Merge Sorted Array,39.4%,Easy,0.11989115268466984, https://leetcode.com/problems/merge-sorted-array
 239,Sliding Window Maximum,43.0%,Hard,0.11945579213218108, https://leetcode.com/problems/sliding-window-maximum
 739,Daily Temperatures,63.3%,Medium,0.11646575243222568, https://leetcode.com/problems/daily-temperatures
 127,Word Ladder,29.6%,Medium,0.11461293205885352, https://leetcode.com/problems/word-ladder
 229,Majority Element II,35.6%,Medium,0.11355198202632807, https://leetcode.com/problems/majority-element-ii
 120,Triangle,44.2%,Medium,0.11325730177515365, https://leetcode.com/problems/triangle
 1188,Design Bounded Blocking Queue,70.5%,Medium,0.11030454201470608, https://leetcode.com/problems/design-bounded-blocking-queue
 695,Max Area of Island,62.7%,Medium,0.10876995385464024, https://leetcode.com/problems/max-area-of-island
 924,Minimize Malware Spread,42.0%,Hard,0.10821358464023274, https://leetcode.com/problems/minimize-malware-spread
 889,Construct Binary Tree from Preorder and Postorder Traversal,66.2%,Medium,0.10711776476069794, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal
 311,Sparse Matrix Multiplication,61.9%,Medium,0.10648348040245009, https://leetcode.com/problems/sparse-matrix-multiplication
 759,Employee Free Time,66.3%,Hard,0.10623186692973738, https://leetcode.com/problems/employee-free-time
 78,Subsets,62.0%,Medium,0.10594222506883655, https://leetcode.com/problems/subsets
 346,Moving Average from Data Stream,70.9%,Easy,0.10562785959739482, https://leetcode.com/problems/moving-average-from-data-stream
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.10461287933893608, https://leetcode.com/problems/binary-tree-level-order-traversal
 1060,Missing Element in Sorted Array,54.5%,Medium,0.1042610103244094, https://leetcode.com/problems/missing-element-in-sorted-array
 69,Sqrt(x),33.9%,Easy,0.09855995053811686, https://leetcode.com/problems/sqrtx
 90,Subsets II,47.1%,Medium,0.09830555874512009, https://leetcode.com/problems/subsets-ii
 84,Largest Rectangle in Histogram,35.2%,Hard,0.09762873497741681, https://leetcode.com/problems/largest-rectangle-in-histogram
 529,Minesweeper,59.1%,Medium,0.09695424100489167, https://leetcode.com/problems/minesweeper
 716,Max Stack,42.6%,Easy,0.09362342046209744, https://leetcode.com/problems/max-stack
 836,Rectangle Overlap,48.6%,Easy,0.09358079943969791, https://leetcode.com/problems/rectangle-overlap
 4,Median of Two Sorted Arrays,29.6%,Hard,0.09321199094445486, https://leetcode.com/problems/median-of-two-sorted-arrays
 727,Minimum Window Subsequence,41.8%,Hard,0.09294611250944432, https://leetcode.com/problems/minimum-window-subsequence
 510,Inorder Successor in BST II,58.0%,Medium,0.09244453252200126, https://leetcode.com/problems/inorder-successor-in-bst-ii
 535,Encode and Decode TinyURL,79.9%,Medium,0.09208956510428265, https://leetcode.com/problems/encode-and-decode-tinyurl
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.0913825929084002, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 652,Find Duplicate Subtrees,50.2%,Medium,0.08907963005368878, https://leetcode.com/problems/find-duplicate-subtrees
 7,Reverse Integer,25.8%,Easy,0.08735674450872549, https://leetcode.com/problems/reverse-integer
 109,Convert Sorted List to Binary Search Tree,47.7%,Medium,0.08701137698962977, https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
 221,Maximal Square,37.7%,Medium,0.08564432277809672, https://leetcode.com/problems/maximal-square
 991,Broken Calculator,45.6%,Medium,0.08515780834030685, https://leetcode.com/problems/broken-calculator
 22,Generate Parentheses,62.7%,Medium,0.08480542001364956, https://leetcode.com/problems/generate-parentheses
 857,Minimum Cost to Hire K Workers,49.6%,Hard,0.08320805808821628, https://leetcode.com/problems/minimum-cost-to-hire-k-workers
 46,Permutations,63.5%,Medium,0.08209632149618187, https://leetcode.com/problems/permutations
 813,Largest Sum of Averages,49.9%,Medium,0.08201315166083516, https://leetcode.com/problems/largest-sum-of-averages
 737,Sentence Similarity II,45.8%,Medium,0.08167803101426718, https://leetcode.com/problems/sentence-similarity-ii
 496,Next Greater Element I,63.8%,Easy,0.07978711661783192, https://leetcode.com/problems/next-greater-element-i
 250,Count Univalue Subtrees,52.0%,Medium,0.07975881838845024, https://leetcode.com/problems/count-univalue-subtrees
 295,Find Median from Data Stream,44.3%,Hard,0.07821574644502474, https://leetcode.com/problems/find-median-from-data-stream
 54,Spiral Matrix,34.1%,Medium,0.07792846120043545, https://leetcode.com/problems/spiral-matrix
 1297,Maximum Number of Occurrences of a Substring,47.3%,Medium,0.07770898432731625, https://leetcode.com/problems/maximum-number-of-occurrences-of-a-substring
 1347,Minimum Number of Steps to Make Two Strings Anagram,74.7%,Medium,0.07742472477971579, https://leetcode.com/problems/minimum-number-of-steps-to-make-two-strings-anagram
 518,Coin Change 2,50.2%,Medium,0.07583984694698977, https://leetcode.com/problems/coin-change-2
 8,String to Integer (atoi),15.4%,Medium,0.07412832776627384, https://leetcode.com/problems/string-to-integer-atoi
 76,Minimum Window Substring,34.6%,Hard,0.07378420845373558, https://leetcode.com/problems/minimum-window-substring
 503,Next Greater Element II,56.5%,Medium,0.07339377143296942, https://leetcode.com/problems/next-greater-element-ii
 9,Palindrome Number,48.4%,Easy,0.07330899176233006, https://leetcode.com/problems/palindrome-number
 209,Minimum Size Subarray Sum,38.2%,Medium,0.07329286546547308, https://leetcode.com/problems/minimum-size-subarray-sum
 271,Encode and Decode Strings,31.5%,Medium,0.07197349962508924, https://leetcode.com/problems/encode-and-decode-strings
 470,Implement Rand10() Using Rand7(),46.3%,Medium,0.07020425867324853, https://leetcode.com/problems/implement-rand10-using-rand7
 432,All O`one Data Structure,32.4%,Hard,0.06887402901251127, https://leetcode.com/problems/all-oone-data-structure
 504,Base 7,46.2%,Easy,0.06759329113252818, https://leetcode.com/problems/base-7
 560,Subarray Sum Equals K,43.9%,Medium,0.06636621624059272, https://leetcode.com/problems/subarray-sum-equals-k
 1145,Binary Tree Coloring Game,51.2%,Medium,0.06592172080482424, https://leetcode.com/problems/binary-tree-coloring-game
 1105,Filling Bookcase Shelves,58.1%,Medium,0.06464285626208545, https://leetcode.com/problems/filling-bookcase-shelves
 628,Maximum Product of Three Numbers,47.1%,Easy,0.06453852113757116, https://leetcode.com/problems/maximum-product-of-three-numbers
 565,Array Nesting,55.5%,Medium,0.06351340572232586, https://leetcode.com/problems/array-nesting
 397,Integer Replacement,32.9%,Medium,0.06331227941432688, https://leetcode.com/problems/integer-replacement
 413,Arithmetic Slices,57.9%,Medium,0.06286986221654821, https://leetcode.com/problems/arithmetic-slices
 353,Design Snake Game,34.2%,Medium,0.06053284922884233, https://leetcode.com/problems/design-snake-game
 153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.05846413569782837, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
 160,Intersection of Two Linked Lists,40.6%,Easy,0.05844735064567987, https://leetcode.com/problems/intersection-of-two-linked-lists
 417,Pacific Atlantic Water Flow,41.1%,Medium,0.057523844138186606, https://leetcode.com/problems/pacific-atlantic-water-flow
 362,Design Hit Counter,63.7%,Medium,0.05622967649867821, https://leetcode.com/problems/design-hit-counter
 1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.05613145611169511, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
 230,Kth Smallest Element in a BST,60.2%,Medium,0.055629976214953934, https://leetcode.com/problems/kth-smallest-element-in-a-bst
 30,Substring with Concatenation of All Words,25.4%,Hard,0.05509349054082484, https://leetcode.com/problems/substring-with-concatenation-of-all-words
 752,Open the Lock,51.8%,Medium,0.05449289949671372, https://leetcode.com/problems/open-the-lock
 1054,Distant Barcodes,43.2%,Medium,0.054435206555017046, https://leetcode.com/problems/distant-barcodes
 64,Minimum Path Sum,54.5%,Medium,0.05384075367843773, https://leetcode.com/problems/minimum-path-sum
 44,Wildcard Matching,24.7%,Hard,0.053722215229247965, https://leetcode.com/problems/wildcard-matching
 426,Convert Binary Search Tree to Sorted Doubly Linked List,59.1%,Medium,0.05368014946362379, https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
 63,Unique Paths II,34.6%,Medium,0.05324937607387791, https://leetcode.com/problems/unique-paths-ii
 31,Next Permutation,32.6%,Medium,0.05265913800819017, https://leetcode.com/problems/next-permutation
 85,Maximal Rectangle,37.7%,Hard,0.05229949940284891, https://leetcode.com/problems/maximal-rectangle
 286,Walls and Gates,54.5%,Medium,0.05155780966485001, https://leetcode.com/problems/walls-and-gates
 708,Insert into a Sorted Circular Linked List,31.6%,Medium,0.05142521180743711, https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
 1312,Minimum Insertion Steps to Make a String Palindrome,58.1%,Hard,0.050261834780888255, https://leetcode.com/problems/minimum-insertion-steps-to-make-a-string-palindrome
 285,Inorder Successor in BST,40.4%,Medium,0.049569618859417214, https://leetcode.com/problems/inorder-successor-in-bst
 203,Remove Linked List Elements,38.6%,Easy,0.04798700179553833, https://leetcode.com/problems/remove-linked-list-elements
 125,Valid Palindrome,36.7%,Easy,0.047702249651065814, https://leetcode.com/problems/valid-palindrome
 336,Palindrome Pairs,33.7%,Hard,0.04690191367275952, https://leetcode.com/problems/palindrome-pairs
 556,Next Greater Element III,31.7%,Medium,0.04679216150675895, https://leetcode.com/problems/next-greater-element-iii
 543,Diameter of Binary Tree,48.4%,Easy,0.04676784186766119, https://leetcode.com/problems/diameter-of-binary-tree
 978,Longest Turbulent Subarray,46.6%,Medium,0.046737477851689815, https://leetcode.com/problems/longest-turbulent-subarray
 206,Reverse Linked List,62.5%,Easy,0.046346967254127305, https://leetcode.com/problems/reverse-linked-list
 97,Interleaving String,31.5%,Hard,0.04548535439411653, https://leetcode.com/problems/interleaving-string
 784,Letter Case Permutation,64.6%,Medium,0.045030118720867006, https://leetcode.com/problems/letter-case-permutation
 136,Single Number,65.5%,Easy,0.04495454584592534, https://leetcode.com/problems/single-number
 341,Flatten Nested List Iterator,52.9%,Medium,0.04440788848944038, https://leetcode.com/problems/flatten-nested-list-iterator
 642,Design Search Autocomplete System,44.7%,Hard,0.04334372921647208, https://leetcode.com/problems/design-search-autocomplete-system
 895,Maximum Frequency Stack,60.6%,Hard,0.04329680575332419, https://leetcode.com/problems/maximum-frequency-stack
 435,Non-overlapping Intervals,42.9%,Medium,0.04325518123147988, https://leetcode.com/problems/non-overlapping-intervals
 821,Shortest Distance to a Character,66.9%,Easy,0.043110123653728516, https://leetcode.com/problems/shortest-distance-to-a-character
 1155,Number of Dice Rolls With Target Sum,49.0%,Medium,0.04204262329555109, https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
 721,Accounts Merge,48.8%,Medium,0.04200337458562934, https://leetcode.com/problems/accounts-merge
 787,Cheapest Flights Within K Stops,39.3%,Medium,0.04186657939278993, https://leetcode.com/problems/cheapest-flights-within-k-stops
 532,K-diff Pairs in an Array,31.6%,Easy,0.041672696400568025, https://leetcode.com/problems/k-diff-pairs-in-an-array
 572,Subtree of Another Tree,44.1%,Easy,0.041179261223646485, https://leetcode.com/problems/subtree-of-another-tree
 101,Symmetric Tree,46.8%,Easy,0.04094139037736073, https://leetcode.com/problems/symmetric-tree
 292,Nim Game,54.9%,Easy,0.03996979643236185, https://leetcode.com/problems/nim-game
 162,Find Peak Element,43.3%,Medium,0.039043060072524054, https://leetcode.com/problems/find-peak-element
 993,Cousins in Binary Tree,52.0%,Easy,0.03876454345024432, https://leetcode.com/problems/cousins-in-binary-tree
 24,Swap Nodes in Pairs,50.4%,Medium,0.03826607060639552, https://leetcode.com/problems/swap-nodes-in-pairs
 47,Permutations II,46.4%,Medium,0.038145268259690404, https://leetcode.com/problems/permutations-ii
 270,Closest Binary Search Tree Value,48.5%,Easy,0.03812405784173832, https://leetcode.com/problems/closest-binary-search-tree-value
 402,Remove K Digits,28.4%,Medium,0.03755134565213245, https://leetcode.com/problems/remove-k-digits
 646,Maximum Length of Pair Chain,51.9%,Medium,0.036870535808327706, https://leetcode.com/problems/maximum-length-of-pair-chain
 91,Decode Ways,24.7%,Medium,0.03673102791879485, https://leetcode.com/problems/decode-ways
 673,Number of Longest Increasing Subsequence,35.7%,Medium,0.036467121912812143, https://leetcode.com/problems/number-of-longest-increasing-subsequence
 71,Simplify Path,32.6%,Medium,0.03622126343431837, https://leetcode.com/problems/simplify-path
 650,2 Keys Keyboard,49.2%,Medium,0.035910501305770864, https://leetcode.com/problems/2-keys-keyboard
 226,Invert Binary Tree,65.0%,Easy,0.03393837323839263, https://leetcode.com/problems/invert-binary-tree
 274,H-Index,36.1%,Medium,0.03364488914272426, https://leetcode.com/problems/h-index
 567,Permutation in String,44.4%,Medium,0.033324075731591886, https://leetcode.com/problems/permutation-in-string
 516,Longest Palindromic Subsequence,53.2%,Medium,0.0332870969222259, https://leetcode.com/problems/longest-palindromic-subsequence
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.03200842244384717, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 1114,Print in Order,65.7%,Easy,0.0317486983145803, https://leetcode.com/problems/print-in-order
 228,Summary Ranges,39.5%,Medium,0.03157326191609021, https://leetcode.com/problems/summary-ranges
 1123,Lowest Common Ancestor of Deepest Leaves,66.8%,Medium,0.03147388037973136, https://leetcode.com/problems/lowest-common-ancestor-of-deepest-leaves
 222,Count Complete Tree Nodes,46.8%,Medium,0.031263400619043376, https://leetcode.com/problems/count-complete-tree-nodes
 557,Reverse Words in a String III,69.8%,Easy,0.03063547953861342, https://leetcode.com/problems/reverse-words-in-a-string-iii
 6,ZigZag Conversion,36.3%,Medium,0.03049597862981453, https://leetcode.com/problems/zigzag-conversion
 415,Add Strings,47.5%,Easy,0.030009753867991852, https://leetcode.com/problems/add-strings
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.029902560173869868, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 16,3Sum Closest,46.0%,Medium,0.02976964023166436, https://leetcode.com/problems/3sum-closest
 347,Top K Frequent Elements,61.2%,Medium,0.029662726238554857, https://leetcode.com/problems/top-k-frequent-elements
 303,Range Sum Query - Immutable,44.7%,Easy,0.029549096691749193, https://leetcode.com/problems/range-sum-query-immutable
 846,Hand of Straights,54.2%,Medium,0.029284669545175425, https://leetcode.com/problems/hand-of-straights
 344,Reverse String,68.5%,Easy,0.029048355159926334, https://leetcode.com/problems/reverse-string
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.028950236662501776, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 147,Insertion Sort List,41.1%,Medium,0.028675799976666333, https://leetcode.com/problems/insertion-sort-list
 852,Peak Index in a Mountain Array,71.6%,Easy,0.02817087696669632, https://leetcode.com/problems/peak-index-in-a-mountain-array
 234,Palindrome Linked List,39.3%,Easy,0.028003622014534227, https://leetcode.com/problems/palindrome-linked-list
 19,Remove Nth Node From End of List,35.2%,Medium,0.027353171676046843, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 547,Friend Circles,58.6%,Medium,0.027307522052851193, https://leetcode.com/problems/friend-circles
 11,Container With Most Water,50.8%,Medium,0.02727648457622222, https://leetcode.com/problems/container-with-most-water
 437,Path Sum III,47.2%,Medium,0.02708561605844235, https://leetcode.com/problems/path-sum-iii
 29,Divide Two Integers,16.4%,Medium,0.026820246545985277, https://leetcode.com/problems/divide-two-integers
 205,Isomorphic Strings,39.8%,Easy,0.025789394882914186, https://leetcode.com/problems/isomorphic-strings
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.02516207671950806, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 733,Flood Fill,55.3%,Easy,0.02506396866321625, https://leetcode.com/problems/flood-fill
 149,Max Points on a Line,16.9%,Hard,0.02484599858653081, https://leetcode.com/problems/max-points-on-a-line
 202,Happy Number,50.4%,Easy,0.02483442856330386, https://leetcode.com/problems/happy-number
 513,Find Bottom Left Tree Value,61.5%,Medium,0.02473842915612247, https://leetcode.com/problems/find-bottom-left-tree-value
 310,Minimum Height Trees,32.3%,Medium,0.02446605215440636, https://leetcode.com/problems/minimum-height-trees
 338,Counting Bits,69.5%,Medium,0.024325523767440974, https://leetcode.com/problems/counting-bits
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.024228925974379843, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 348,Design Tic-Tac-Toe,54.3%,Medium,0.024214258120594613, https://leetcode.com/problems/design-tic-tac-toe
 215,Kth Largest Element in an Array,55.4%,Medium,0.02414409892936099, https://leetcode.com/problems/kth-largest-element-in-an-array
 252,Meeting Rooms,54.6%,Easy,0.02332467256640893, https://leetcode.com/problems/meeting-rooms
 99,Recover Binary Search Tree,39.7%,Hard,0.02310905839365837, https://leetcode.com/problems/recover-binary-search-tree
 678,Valid Parenthesis String,31.0%,Medium,0.02271534352147261, https://leetcode.com/problems/valid-parenthesis-string
 216,Combination Sum III,56.6%,Medium,0.02261260849011709, https://leetcode.com/problems/combination-sum-iii
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.022033389270751453, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 212,Word Search II,34.9%,Hard,0.02201654487096149, https://leetcode.com/problems/word-search-ii
 287,Find the Duplicate Number,55.5%,Medium,0.021825992579766168, https://leetcode.com/problems/find-the-duplicate-number
 112,Path Sum,41.2%,Easy,0.021701651897460775, https://leetcode.com/problems/path-sum
 13,Roman to Integer,55.7%,Easy,0.021239435742925746, https://leetcode.com/problems/roman-to-integer
 359,Logger Rate Limiter,70.8%,Easy,0.021053409197832343, https://leetcode.com/problems/logger-rate-limiter
 224,Basic Calculator,36.8%,Hard,0.020965128465044926, https://leetcode.com/problems/basic-calculator
 94,Binary Tree Inorder Traversal,63.3%,Medium,0.020787312070811408, https://leetcode.com/problems/binary-tree-inorder-traversal
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.020783855622427426, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.020730076462920684, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 96,Unique Binary Search Trees,52.9%,Medium,0.02067613283842731, https://leetcode.com/problems/unique-binary-search-trees
 424,Longest Repeating Character Replacement,47.0%,Medium,0.020461071871340063, https://leetcode.com/problems/longest-repeating-character-replacement
 268,Missing Number,51.7%,Easy,0.019380451549662482, https://leetcode.com/problems/missing-number
 540,Single Element in a Sorted Array,57.9%,Medium,0.0192128868599912, https://leetcode.com/problems/single-element-in-a-sorted-array
 450,Delete Node in a BST,43.1%,Medium,0.018536211907915243, https://leetcode.com/problems/delete-node-in-a-bst
 35,Search Insert Position,42.6%,Easy,0.018459222797986813, https://leetcode.com/problems/search-insert-position
 235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.018394142155974434, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
 62,Unique Paths,54.1%,Medium,0.01835756003995383, https://leetcode.com/problems/unique-paths
 438,Find All Anagrams in a String,43.3%,Medium,0.01819334596120571, https://leetcode.com/problems/find-all-anagrams-in-a-string
 126,Word Ladder II,22.1%,Hard,0.017994187717865196, https://leetcode.com/problems/word-ladder-ii
 406,Queue Reconstruction by Height,66.9%,Medium,0.01774669468133533, https://leetcode.com/problems/queue-reconstruction-by-height
 38,Count and Say,44.6%,Easy,0.01753063983505879, https://leetcode.com/problems/count-and-say
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.017492519932499718, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 289,Game of Life,54.5%,Medium,0.0173239499317743, https://leetcode.com/problems/game-of-life
 240,Search a 2D Matrix II,43.2%,Medium,0.0169815401480941, https://leetcode.com/problems/search-a-2d-matrix-ii
 863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.01695674371877865, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.01688338088311469, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 188,Best Time to Buy and Sell Stock IV,28.0%,Hard,0.01651565203072114, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
 36,Valid Sudoku,48.7%,Medium,0.01625758350956095, https://leetcode.com/problems/valid-sudoku
 340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.016122880486563188, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
 334,Increasing Triplet Subsequence,40.0%,Medium,0.016058153168974937, https://leetcode.com/problems/increasing-triplet-subsequence
 110,Balanced Binary Tree,43.5%,Easy,0.015742847432510365, https://leetcode.com/problems/balanced-binary-tree
 28,Implement strStr(),34.5%,Easy,0.01568044672076543, https://leetcode.com/problems/implement-strstr
 595,Big Countries,77.3%,Easy,0.015594857957906386, https://leetcode.com/problems/big-countries
 1002,Find Common Characters,67.6%,Easy,0.015273301861833809, https://leetcode.com/problems/find-common-characters
 1025,Divisor Game,66.3%,Easy,0.015015297119995507, https://leetcode.com/problems/divisor-game
 621,Task Scheduler,50.1%,Medium,0.014546980601820143, https://leetcode.com/problems/task-scheduler
 912,Sort an Array,63.9%,Medium,0.01443026482902881, https://leetcode.com/problems/sort-an-array
 404,Sum of Left Leaves,50.9%,Easy,0.013981353230340547, https://leetcode.com/problems/sum-of-left-leaves
 131,Palindrome Partitioning,47.5%,Medium,0.013903595538577326, https://leetcode.com/problems/palindrome-partitioning
 703,Kth Largest Element in a Stream,49.7%,Easy,0.013898764390814973, https://leetcode.com/problems/kth-largest-element-in-a-stream
 724,Find Pivot Index,44.0%,Easy,0.013850636933899008, https://leetcode.com/problems/find-pivot-index
 581,Shortest Unsorted Continuous Subarray,31.1%,Easy,0.013342426083839913, https://leetcode.com/problems/shortest-unsorted-continuous-subarray
 14,Longest Common Prefix,35.4%,Easy,0.013215687512885701, https://leetcode.com/problems/longest-common-prefix
 39,Combination Sum,56.1%,Medium,0.012815211692867591, https://leetcode.com/problems/combination-sum
 219,Contains Duplicate II,37.7%,Easy,0.01276748910345265, https://leetcode.com/problems/contains-duplicate-ii
 129,Sum Root to Leaf Numbers,49.1%,Medium,0.012739025777429757, https://leetcode.com/problems/sum-root-to-leaf-numbers
 50,Pow(x, n),30.3%,Medium,0.01254502984008178, https://leetcode.com/problems/powx-n
 152,Maximum Product Subarray,31.7%,Medium,0.012534983069696118, https://leetcode.com/problems/maximum-product-subarray
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.012403687139326226, https://leetcode.com/problems/binary-tree-maximum-path-sum
 986,Interval List Intersections,67.3%,Medium,0.011969023795320735, https://leetcode.com/problems/interval-list-intersections
 81,Search in Rotated Sorted Array II,33.0%,Medium,0.011689203815677656, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
 350,Intersection of Two Arrays II,51.4%,Easy,0.01168540951877908, https://leetcode.com/problems/intersection-of-two-arrays-ii
 442,Find All Duplicates in an Array,67.8%,Medium,0.011675555865241341, https://leetcode.com/problems/find-all-duplicates-in-an-array
 378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.011634802567699611, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
 48,Rotate Image,56.7%,Medium,0.011428695823622754, https://leetcode.com/problems/rotate-image
 55,Jump Game,34.6%,Medium,0.011265609194218986, https://leetcode.com/problems/jump-game
 232,Implement Queue using Stacks,49.6%,Easy,0.011242389348933884, https://leetcode.com/problems/implement-queue-using-stacks
 171,Excel Sheet Column Number,55.9%,Easy,0.011195191092491645, https://leetcode.com/problems/excel-sheet-column-number
 207,Course Schedule,43.1%,Medium,0.01113459480911671, https://leetcode.com/problems/course-schedule
 957,Prison Cells After N Days,40.7%,Medium,0.010986103354595014, https://leetcode.com/problems/prison-cells-after-n-days
 559,Maximum Depth of N-ary Tree,68.7%,Easy,0.010974047031976715, https://leetcode.com/problems/maximum-depth-of-n-ary-tree
 414,Third Maximum Number,30.5%,Easy,0.010357420400453607, https://leetcode.com/problems/third-maximum-number
 61,Rotate List,30.0%,Medium,0.009925639799969955, https://leetcode.com/problems/rotate-list
 18,4Sum,33.7%,Medium,0.00984259914419414, https://leetcode.com/problems/4sum
 746,Min Cost Climbing Stairs,50.3%,Easy,0.009818439209289494, https://leetcode.com/problems/min-cost-climbing-stairs
 40,Combination Sum II,48.2%,Medium,0.009578617297069781, https://leetcode.com/problems/combination-sum-ii
 70,Climbing Stairs,47.8%,Easy,0.009390798483527519, https://leetcode.com/problems/climbing-stairs
 74,Search a 2D Matrix,36.5%,Medium,0.00934149716911291, https://leetcode.com/problems/search-a-2d-matrix
 32,Longest Valid Parentheses,28.4%,Hard,0.009111680351255843, https://leetcode.com/problems/longest-valid-parentheses
 208,Implement Trie (Prefix Tree),49.4%,Medium,0.009105457856626612, https://leetcode.com/problems/implement-trie-prefix-tree
 392,Is Subsequence,49.2%,Easy,0.009088906012344746, https://leetcode.com/problems/is-subsequence
 189,Rotate Array,34.7%,Easy,0.00904437880665999, https://leetcode.com/problems/rotate-array
 238,Product of Array Except Self,60.1%,Medium,0.008821856860216758, https://leetcode.com/problems/product-of-array-except-self
 198,House Robber,42.0%,Easy,0.008434914115059812, https://leetcode.com/problems/house-robber
 617,Merge Two Binary Trees,74.1%,Easy,0.008262802639833214, https://leetcode.com/problems/merge-two-binary-trees
 176,Second Highest Salary,31.6%,Easy,0.007393749024938284, https://leetcode.com/problems/second-highest-salary
 349,Intersection of Two Arrays,62.5%,Easy,0.00725034896230682, https://leetcode.com/problems/intersection-of-two-arrays
 412,Fizz Buzz,62.3%,Easy,0.007165921026143679, https://leetcode.com/problems/fizz-buzz
 204,Count Primes,31.5%,Easy,0.007072165261362441, https://leetcode.com/problems/count-primes
 448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.006863444924982415, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.006261761223976207, https://leetcode.com/problems/maximum-depth-of-binary-tree
 151,Reverse Words in a String,21.9%,Medium,0.0061359296669270605, https://leetcode.com/problems/reverse-words-in-a-string
 144,Binary Tree Preorder Traversal,55.7%,Medium,0.0060975798681185, https://leetcode.com/problems/binary-tree-preorder-traversal
 167,Two Sum II - Input array is sorted,54.1%,Easy,0.005507380022589096, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
 278,First Bad Version,35.7%,Easy,0.005391575265790431, https://leetcode.com/problems/first-bad-version
 106,Construct Binary Tree from Inorder and Postorder Traversal,47.2%,Medium,0.005258250021550252, https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
 237,Delete Node in a Linked List,63.8%,Easy,0.005144705881237697, https://leetcode.com/problems/delete-node-in-a-linked-list
 75,Sort Colors,47.3%,Medium,0.004992521603120986, https://leetcode.com/problems/sort-colors
 258,Add Digits,57.6%,Easy,0.004648528591812259, https://leetcode.com/problems/add-digits
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.004385117141850828, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 210,Course Schedule II,40.7%,Medium,0.0042893974831731225, https://leetcode.com/problems/course-schedule-ii
 977,Squares of a Sorted Array,72.1%,Easy,0.003891055492966611, https://leetcode.com/problems/squares-of-a-sorted-array
 217,Contains Duplicate,56.0%,Easy,0.0037979536727587773, https://leetcode.com/problems/contains-duplicate
 27,Remove Element,48.2%,Easy,0.0035524016043678225, https://leetcode.com/problems/remove-element
 66,Plus One,43.0%,Easy,0.00326211347832938, https://leetcode.com/problems/plus-one
 100,Same Tree,53.4%,Easy,0.003165227373565798, https://leetcode.com/problems/same-tree
 1480,Running Sum of 1d Array,90.5%,Easy,0.0026196884456014947, https://leetcode.com/problems/running-sum-of-1d-array
--- a/bloomberg_6months.csv
+++ b/bloomberg_6months.csv
@@ -0,0 +1,146 @@
 1396,Design Underground System,64.7%,Medium,1.6336239764997664, https://leetcode.com/problems/design-underground-system
 1274,Number of Ships in a Rectangle,66.3%,Hard,1.3841012723467938, https://leetcode.com/problems/number-of-ships-in-a-rectangle
 1169,Invalid Transactions,31.2%,Medium,1.1345785681938212, https://leetcode.com/problems/invalid-transactions
 1209,Remove All Adjacent Duplicates in String II,56.9%,Medium,0.9182875611040503, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii
 394,Decode String,50.0%,Medium,0.8695403064407496, https://leetcode.com/problems/decode-string
 430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,0.620017602287777, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
 200,Number of Islands,46.8%,Medium,0.581027429947078, https://leetcode.com/problems/number-of-islands
 253,Meeting Rooms II,45.7%,Medium,0.46127061637748534, https://leetcode.com/problems/meeting-rooms-ii
 1472,Design Browser History,64.6%,Medium,0.41985384556026395, https://leetcode.com/problems/design-browser-history
 146,LRU Cache,33.2%,Medium,0.4110212101491863, https://leetcode.com/problems/lru-cache
 445,Add Two Numbers II,54.5%,Medium,0.3186792865497379, https://leetcode.com/problems/add-two-numbers-ii
 987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.30230623809780655, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
 1029,Two City Scheduling,56.1%,Easy,0.23361485118150516, https://leetcode.com/problems/two-city-scheduling
 98,Validate Binary Search Tree,27.8%,Medium,0.21414088449315205, https://leetcode.com/problems/validate-binary-search-tree
 117,Populating Next Right Pointers in Each Node II,39.1%,Medium,0.20860539286818253, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
 1244,Design A Leaderboard,60.7%,Medium,0.17763094743610072, https://leetcode.com/problems/design-a-leaderboard
 387,First Unique Character in a String,53.4%,Easy,0.16314262087986708, https://leetcode.com/problems/first-unique-character-in-a-string
 2,Add Two Numbers,33.9%,Medium,0.15615258592389064, https://leetcode.com/problems/add-two-numbers
 723,Candy Crush,69.2%,Medium,0.1475667107409061, https://leetcode.com/problems/candy-crush
 380,Insert Delete GetRandom O(1),47.5%,Medium,0.1466146891661091, https://leetcode.com/problems/insert-delete-getrandom-o1
 384,Shuffle an Array,52.8%,Medium,0.12953764257899986, https://leetcode.com/problems/shuffle-an-array
 42,Trapping Rain Water,48.9%,Hard,0.12389276378675394, https://leetcode.com/problems/trapping-rain-water
 451,Sort Characters By Frequency,63.0%,Medium,0.11258362132121401, https://leetcode.com/problems/sort-characters-by-frequency
 155,Min Stack,44.5%,Easy,0.11244000234885869, https://leetcode.com/problems/min-stack
 1188,Design Bounded Blocking Queue,70.5%,Medium,0.11030454201470608, https://leetcode.com/problems/design-bounded-blocking-queue
 924,Minimize Malware Spread,42.0%,Hard,0.10821358464023274, https://leetcode.com/problems/minimize-malware-spread
 314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.10758430200165091, https://leetcode.com/problems/binary-tree-vertical-order-traversal
 658,Find K Closest Elements,40.9%,Medium,0.0995648587647672, https://leetcode.com/problems/find-k-closest-elements
 611,Valid Triangle Number,48.4%,Medium,0.09333193979221914, https://leetcode.com/problems/valid-triangle-number
 20,Valid Parentheses,39.0%,Easy,0.09286263438126167, https://leetcode.com/problems/valid-parentheses
 991,Broken Calculator,45.6%,Medium,0.08515780834030685, https://leetcode.com/problems/broken-calculator
 582,Kill Process,60.8%,Medium,0.08355588569097351, https://leetcode.com/problems/kill-process
 56,Merge Intervals,39.3%,Medium,0.08339552430579078, https://leetcode.com/problems/merge-intervals
 1297,Maximum Number of Occurrences of a Substring,47.3%,Medium,0.07770898432731625, https://leetcode.com/problems/maximum-number-of-occurrences-of-a-substring
 1347,Minimum Number of Steps to Make Two Strings Anagram,74.7%,Medium,0.07742472477971579, https://leetcode.com/problems/minimum-number-of-steps-to-make-two-strings-anagram
 214,Shortest Palindrome,29.8%,Hard,0.0753494372417868, https://leetcode.com/problems/shortest-palindrome
 463,Island Perimeter,65.7%,Easy,0.06646080650226213, https://leetcode.com/problems/island-perimeter
 1145,Binary Tree Coloring Game,51.2%,Medium,0.06592172080482424, https://leetcode.com/problems/binary-tree-coloring-game
 242,Valid Anagram,56.9%,Easy,0.06447998055429512, https://leetcode.com/problems/valid-anagram
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.06370380162663494, https://leetcode.com/problems/longest-substring-without-repeating-characters
 353,Design Snake Game,34.2%,Medium,0.06053284922884233, https://leetcode.com/problems/design-snake-game
 1,Two Sum,45.6%,Easy,0.057621231679235815, https://leetcode.com/problems/two-sum
 128,Longest Consecutive Sequence,45.1%,Hard,0.05527490034186498, https://leetcode.com/problems/longest-consecutive-sequence
 1054,Distant Barcodes,43.2%,Medium,0.054435206555017046, https://leetcode.com/problems/distant-barcodes
 12,Integer to Roman,55.1%,Medium,0.05217122936969127, https://leetcode.com/problems/integer-to-roman
 286,Walls and Gates,54.5%,Medium,0.05155780966485001, https://leetcode.com/problems/walls-and-gates
 1312,Minimum Insertion Steps to Make a String Palindrome,58.1%,Hard,0.050261834780888255, https://leetcode.com/problems/minimum-insertion-steps-to-make-a-string-palindrome
 10,Regular Expression Matching,26.8%,Hard,0.04409107726484965, https://leetcode.com/problems/regular-expression-matching
 140,Word Break II,32.6%,Hard,0.04245795568707049, https://leetcode.com/problems/word-break-ii
 1155,Number of Dice Rolls With Target Sum,49.0%,Medium,0.04204262329555109, https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
 33,Search in Rotated Sorted Array,34.5%,Medium,0.03886602267922457, https://leetcode.com/problems/search-in-rotated-sorted-array
 797,All Paths From Source to Target,77.9%,Medium,0.03881156536434583, https://leetcode.com/problems/all-paths-from-source-to-target
 138,Copy List with Random Pointer,36.4%,Medium,0.03807953223592622, https://leetcode.com/problems/copy-list-with-random-pointer
 139,Word Break,40.1%,Medium,0.03451593709018879, https://leetcode.com/problems/word-break
 53,Maximum Subarray,46.5%,Easy,0.03412208634661372, https://leetcode.com/problems/maximum-subarray
 79,Word Search,35.6%,Medium,0.03318208821436187, https://leetcode.com/problems/word-search
 694,Number of Distinct Islands,56.0%,Medium,0.03278982282299087, https://leetcode.com/problems/number-of-distinct-islands
 1123,Lowest Common Ancestor of Deepest Leaves,66.8%,Medium,0.03147388037973136, https://leetcode.com/problems/lowest-common-ancestor-of-deepest-leaves
 460,LFU Cache,34.2%,Hard,0.030962225603966897, https://leetcode.com/problems/lfu-cache
 332,Reconstruct Itinerary,36.7%,Medium,0.030687713231237448, https://leetcode.com/problems/reconstruct-itinerary
 85,Maximal Rectangle,37.7%,Hard,0.029754261081792705, https://leetcode.com/problems/maximal-rectangle
 695,Max Area of Island,62.7%,Medium,0.028321590863246118, https://leetcode.com/problems/max-area-of-island
 518,Coin Change 2,50.2%,Medium,0.027969505010125056, https://leetcode.com/problems/coin-change-2
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0257124040167447, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 283,Move Zeroes,57.8%,Easy,0.025673520193393074, https://leetcode.com/problems/move-zeroes
 90,Subsets II,47.1%,Medium,0.025497131933483772, https://leetcode.com/problems/subsets-ii
 41,First Missing Positive,32.0%,Hard,0.02540222313806603, https://leetcode.com/problems/first-missing-positive
 322,Coin Change,35.5%,Medium,0.024924029676386045, https://leetcode.com/problems/coin-change
 30,Substring with Concatenation of All Words,25.4%,Hard,0.02486144206532915, https://leetcode.com/problems/substring-with-concatenation-of-all-words
 752,Open the Lock,51.8%,Medium,0.024586364440127736, https://leetcode.com/problems/open-the-lock
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.024228925974379843, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 348,Design Tic-Tac-Toe,54.3%,Medium,0.024214258120594613, https://leetcode.com/problems/design-tic-tac-toe
 662,Maximum Width of Binary Tree,41.0%,Medium,0.024116924478312346, https://leetcode.com/problems/maximum-width-of-binary-tree
 78,Subsets,62.0%,Medium,0.022827872206034577, https://leetcode.com/problems/subsets
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.02252956425342345, https://leetcode.com/problems/binary-tree-level-order-traversal
 285,Inorder Successor in BST,40.4%,Medium,0.02233482010057984, https://leetcode.com/problems/inorder-successor-in-bst
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.022325470299025416, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
 424,Longest Repeating Character Replacement,47.0%,Medium,0.020461071871340063, https://leetcode.com/problems/longest-repeating-character-replacement
 5,Longest Palindromic Substring,29.5%,Medium,0.020329346568668867, https://leetcode.com/problems/longest-palindromic-substring
 784,Letter Case Permutation,64.6%,Medium,0.02026411791905559, https://leetcode.com/problems/letter-case-permutation
 69,Sqrt(x),33.9%,Easy,0.020253856904497686, https://leetcode.com/problems/sqrtx
 15,3Sum,26.8%,Medium,0.019619157889188592, https://leetcode.com/problems/3sum
 399,Evaluate Division,51.6%,Medium,0.019380451549662482, https://leetcode.com/problems/evaluate-division
 721,Accounts Merge,48.8%,Medium,0.01888630262874805, https://leetcode.com/problems/accounts-merge
 209,Minimum Size Subarray Sum,38.2%,Medium,0.018832948333092125, https://leetcode.com/problems/minimum-size-subarray-sum
 88,Merge Sorted Array,39.4%,Easy,0.018667009593356397, https://leetcode.com/problems/merge-sorted-array
 84,Largest Rectangle in Histogram,35.2%,Hard,0.01866112622166295, https://leetcode.com/problems/largest-rectangle-in-histogram
 126,Word Ladder II,22.1%,Hard,0.017994187717865196, https://leetcode.com/problems/word-ladder-ii
 292,Nim Game,54.9%,Easy,0.01796186592859277, https://leetcode.com/problems/nim-game
 6,ZigZag Conversion,36.3%,Medium,0.01726827253226344, https://leetcode.com/problems/zigzag-conversion
 402,Remove K Digits,28.4%,Medium,0.016863806052004816, https://leetcode.com/problems/remove-k-digits
 692,Top K Frequent Words,51.8%,Medium,0.016832265743172113, https://leetcode.com/problems/top-k-frequent-words
 188,Best Time to Buy and Sell Stock IV,28.0%,Hard,0.01651565203072114, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
 116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.016432723251567683, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
 23,Merge k Sorted Lists,40.2%,Hard,0.016108271385328228, https://leetcode.com/problems/merge-k-sorted-lists
 4,Median of Two Sorted Arrays,29.6%,Hard,0.015510198481701449, https://leetcode.com/problems/median-of-two-sorted-arrays
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.014352596574956585, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 21,Merge Two Sorted Lists,53.5%,Easy,0.014012111332134735, https://leetcode.com/problems/merge-two-sorted-lists
 404,Sum of Left Leaves,50.9%,Easy,0.013981353230340547, https://leetcode.com/problems/sum-of-left-leaves
 724,Find Pivot Index,44.0%,Easy,0.013850636933899008, https://leetcode.com/problems/find-pivot-index
 44,Wildcard Matching,24.7%,Hard,0.013703537497261858, https://leetcode.com/problems/wildcard-matching
 101,Symmetric Tree,46.8%,Easy,0.013553786479814183, https://leetcode.com/problems/symmetric-tree
 127,Word Ladder,29.6%,Medium,0.013403030127340374, https://leetcode.com/problems/word-ladder
 347,Top K Frequent Elements,61.2%,Medium,0.01329217620893675, https://leetcode.com/problems/top-k-frequent-elements
 152,Maximum Product Subarray,31.7%,Medium,0.012534983069696118, https://leetcode.com/problems/maximum-product-subarray
 112,Path Sum,41.2%,Easy,0.012265076074932503, https://leetcode.com/problems/path-sum
 273,Integer to English Words,27.1%,Hard,0.012081089250339716, https://leetcode.com/problems/integer-to-english-words
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.011261380272539033, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 338,Counting Bits,69.5%,Medium,0.01088446119842327, https://leetcode.com/problems/counting-bits
 92,Reverse Linked List II,38.8%,Medium,0.010427623162259089, https://leetcode.com/problems/reverse-linked-list-ii
 234,Palindrome Linked List,39.3%,Easy,0.010171877938733932, https://leetcode.com/problems/palindrome-linked-list
 621,Task Scheduler,50.1%,Medium,0.009334412329990095, https://leetcode.com/problems/task-scheduler
 1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.009195467093100304, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
 125,Valid Palindrome,36.7%,Easy,0.008933948641551634, https://leetcode.com/problems/valid-palindrome
 49,Group Anagrams,56.9%,Medium,0.008538951314232168, https://leetcode.com/problems/group-anagrams
 173,Binary Search Tree Iterator,56.6%,Medium,0.008489015324911316, https://leetcode.com/problems/binary-search-tree-iterator
 153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.008430963288799368, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
 239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
 328,Odd Even Linked List,55.7%,Medium,0.00764383618585562, https://leetcode.com/problems/odd-even-linked-list
 415,Add Strings,47.5%,Easy,0.007587289812159497, https://leetcode.com/problems/add-strings
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.007532046655581962, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 412,Fizz Buzz,62.3%,Easy,0.007165921026143679, https://leetcode.com/problems/fizz-buzz
 110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.006896579059060353, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.006863444924982415, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
 54,Spiral Matrix,34.1%,Medium,0.0065941551175130245, https://leetcode.com/problems/spiral-matrix
 136,Single Number,65.5%,Easy,0.006445166968713385, https://leetcode.com/problems/single-number
 24,Swap Nodes in Pairs,50.4%,Medium,0.0062218275061505365, https://leetcode.com/problems/swap-nodes-in-pairs
 64,Minimum Path Sum,54.5%,Medium,0.006127470152097104, https://leetcode.com/problems/minimum-path-sum
 91,Decode Ways,24.7%,Medium,0.005968385368349129, https://leetcode.com/problems/decode-ways
 199,Binary Tree Right Side View,54.1%,Medium,0.0056826406650506926, https://leetcode.com/problems/binary-tree-right-side-view
 237,Delete Node in a Linked List,63.8%,Easy,0.005144705881237697, https://leetcode.com/problems/delete-node-in-a-linked-list
 207,Course Schedule,43.1%,Medium,0.004964021114211758, https://leetcode.com/problems/course-schedule
 62,Unique Paths,54.1%,Medium,0.004621080312067025, https://leetcode.com/problems/unique-paths
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.004247643638268045, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 8,String to Integer (atoi),15.4%,Medium,0.0037925521897059712, https://leetcode.com/problems/string-to-integer-atoi
 13,Roman to Integer,55.7%,Easy,0.003428770717317083, https://leetcode.com/problems/roman-to-integer
 14,Longest Common Prefix,35.4%,Easy,0.003320331762984143, https://leetcode.com/problems/longest-common-prefix
 19,Remove Nth Node From End of List,35.2%,Medium,0.003076452203393495, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 1480,Running Sum of 1d Array,90.5%,Easy,0.0026196884456014947, https://leetcode.com/problems/running-sum-of-1d-array
 258,Add Digits,57.6%,Easy,0.0020686809197766587, https://leetcode.com/problems/add-digits
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0019513153174351963, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 7,Reverse Integer,25.8%,Easy,0.0018612447790907708, https://leetcode.com/problems/reverse-integer
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.0017084529846397953, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 50,Pow(x, n),30.3%,Medium,0.0014016892647828818, https://leetcode.com/problems/powx-n
--- a/bloomberg_alltime.csv
+++ b/bloomberg_alltime.csv
@@ -0,0 +1,348 @@
 138,Copy List with Random Pointer,36.4%,Medium,2.9916072330367776, https://leetcode.com/problems/copy-list-with-random-pointer
 146,LRU Cache,33.2%,Medium,2.88011930741835, https://leetcode.com/problems/lru-cache
 1396,Design Underground System,64.7%,Medium,2.7686313817999224, https://leetcode.com/problems/design-underground-system
 430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,2.699294019942542, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
 200,Number of Islands,46.8%,Medium,2.5893928602940184, https://leetcode.com/problems/number-of-islands
 445,Add Two Numbers II,54.5%,Medium,2.5005209232280814, https://leetcode.com/problems/add-two-numbers-ii
 723,Candy Crush,69.2%,Medium,2.4433718804091535, https://leetcode.com/problems/candy-crush
 394,Decode String,50.0%,Medium,2.4354178381724667, https://leetcode.com/problems/decode-string
 582,Kill Process,60.8%,Medium,2.329004207705794, https://leetcode.com/problems/kill-process
 1,Two Sum,45.6%,Easy,2.2663379529079926, https://leetcode.com/problems/two-sum
 451,Sort Characters By Frequency,63.0%,Medium,2.214754567267123, https://leetcode.com/problems/sort-characters-by-frequency
 2,Add Two Numbers,33.9%,Medium,2.2105161651535843, https://leetcode.com/problems/add-two-numbers
 1169,Invalid Transactions,31.2%,Medium,2.1276788037634873, https://leetcode.com/problems/invalid-transactions
 117,Populating Next Right Pointers in Each Node II,39.1%,Medium,2.118212486885331, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
 42,Trapping Rain Water,48.9%,Hard,2.0660776889450734, https://leetcode.com/problems/trapping-rain-water
 20,Valid Parentheses,39.0%,Easy,2.0208637675689056, https://leetcode.com/problems/valid-parentheses
 380,Insert Delete GetRandom O(1),47.5%,Medium,1.9093758419504783, https://leetcode.com/problems/insert-delete-getrandom-o1
 155,Min Stack,44.5%,Easy,1.8753356079546997, https://leetcode.com/problems/min-stack
 98,Validate Binary Search Tree,27.8%,Medium,1.8280334735241495, https://leetcode.com/problems/validate-binary-search-tree
 253,Meeting Rooms II,45.7%,Medium,1.7748254445172882, https://leetcode.com/problems/meeting-rooms-ii
 121,Best Time to Buy and Sell Stock,50.5%,Easy,1.7316498584399342, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 387,First Unique Character in a String,53.4%,Easy,1.6717206372907538, https://leetcode.com/problems/first-unique-character-in-a-string
 56,Merge Intervals,39.3%,Medium,1.6344853036753995, https://leetcode.com/problems/merge-intervals
 214,Shortest Palindrome,29.8%,Hard,1.628304607593452, https://leetcode.com/problems/shortest-palindrome
 1274,Number of Ships in a Rectangle,66.3%,Hard,1.6253239794553143, https://leetcode.com/problems/number-of-ships-in-a-rectangle
 1029,Two City Scheduling,56.1%,Easy,1.6062408497394156, https://leetcode.com/problems/two-city-scheduling
 283,Move Zeroes,57.8%,Easy,1.5700380214242422, https://leetcode.com/problems/move-zeroes
 116,Populating Next Right Pointers in Each Node,45.2%,Medium,1.5282163044390433, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
 390,Elimination Game,44.5%,Medium,1.435519307483543, https://leetcode.com/problems/elimination-game
 3,Longest Substring Without Repeating Characters,30.4%,Medium,1.3959826812294072, https://leetcode.com/problems/longest-substring-without-repeating-characters
 23,Merge k Sorted Lists,40.2%,Hard,1.390362038117481, https://leetcode.com/problems/merge-k-sorted-lists
 1209,Remove All Adjacent Duplicates in String II,56.9%,Medium,1.2788741124990537, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii
 463,Island Perimeter,65.7%,Easy,1.245274068255333, https://leetcode.com/problems/island-perimeter
 242,Valid Anagram,56.9%,Easy,1.1337861426369056, https://leetcode.com/problems/valid-anagram
 269,Alien Dictionary,33.3%,Hard,1.099252698552309, https://leetcode.com/problems/alien-dictionary
 114,Flatten Binary Tree to Linked List,49.3%,Medium,1.0986122886681096, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 139,Word Break,40.1%,Medium,1.0903842081598691, https://leetcode.com/problems/word-break
 4,Median of Two Sorted Arrays,29.6%,Hard,1.0617282987657621, https://leetcode.com/problems/median-of-two-sorted-arrays
 271,Encode and Decode Strings,31.5%,Medium,1.0528027526368156, https://leetcode.com/problems/encode-and-decode-strings
 33,Search in Rotated Sorted Array,34.5%,Medium,1.0520357838367607, https://leetcode.com/problems/search-in-rotated-sorted-array
 12,Integer to Roman,55.1%,Medium,1.0302007147147747, https://leetcode.com/problems/integer-to-roman
 206,Reverse Linked List,62.5%,Easy,1.0194232916385328, https://leetcode.com/problems/reverse-linked-list
 301,Remove Invalid Parentheses,43.3%,Hard,1.0163915378390016, https://leetcode.com/problems/remove-invalid-parentheses
 21,Merge Two Sorted Lists,53.5%,Easy,0.9730025194287449, https://leetcode.com/problems/merge-two-sorted-lists
 7,Reverse Integer,25.8%,Easy,0.9636538129651142, https://leetcode.com/problems/reverse-integer
 69,Sqrt(x),33.9%,Easy,0.9425416082510271, https://leetcode.com/problems/sqrtx
 628,Maximum Product of Three Numbers,47.1%,Easy,0.9179560111932162, https://leetcode.com/problems/maximum-product-of-three-numbers
 15,3Sum,26.8%,Medium,0.9115464188984339, https://leetcode.com/problems/3sum
 346,Moving Average from Data Stream,70.9%,Easy,0.893574774039618, https://leetcode.com/problems/moving-average-from-data-stream
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.856966942738701, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 554,Brick Wall,50.0%,Medium,0.8487112881843506, https://leetcode.com/problems/brick-wall
 460,LFU Cache,34.2%,Hard,0.8452742509276767, https://leetcode.com/problems/lfu-cache
 53,Maximum Subarray,46.5%,Easy,0.8338660450189812, https://leetcode.com/problems/maximum-subarray
 692,Top K Frequent Words,51.8%,Medium,0.8219759071619612, https://leetcode.com/problems/top-k-frequent-words
 5,Longest Palindromic Substring,29.5%,Medium,0.8154521489335768, https://leetcode.com/problems/longest-palindromic-substring
 239,Sliding Window Maximum,43.0%,Hard,0.8060721931479718, https://leetcode.com/problems/sliding-window-maximum
 295,Find Median from Data Stream,44.3%,Hard,0.7864008043695105, https://leetcode.com/problems/find-median-from-data-stream
 62,Unique Paths,54.1%,Medium,0.7819517612115802, https://leetcode.com/problems/unique-paths
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.7585897524597297, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 54,Spiral Matrix,34.1%,Medium,0.7505169147393441, https://leetcode.com/problems/spiral-matrix
 273,Integer to English Words,27.1%,Hard,0.7404748586772619, https://leetcode.com/problems/integer-to-english-words
 611,Valid Triangle Number,48.4%,Medium,0.7357067949787413, https://leetcode.com/problems/valid-triangle-number
 160,Intersection of Two Linked Lists,40.6%,Easy,0.7095335003665627, https://leetcode.com/problems/intersection-of-two-linked-lists
 332,Reconstruct Itinerary,36.7%,Medium,0.6934933810134637, https://leetcode.com/problems/reconstruct-itinerary
 987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.6653429641530142, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
 173,Binary Search Tree Iterator,56.6%,Medium,0.6626352388032212, https://leetcode.com/problems/binary-search-tree-iterator
 10,Regular Expression Matching,26.8%,Hard,0.6273817982285409, https://leetcode.com/problems/regular-expression-matching
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.620692101344523, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 49,Group Anagrams,56.9%,Medium,0.6192590691619644, https://leetcode.com/problems/group-anagrams
 797,All Paths From Source to Target,77.9%,Medium,0.6133054173259477, https://leetcode.com/problems/all-paths-from-source-to-target
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.598984719563006, https://leetcode.com/problems/binary-tree-level-order-traversal
 127,Word Ladder,29.6%,Medium,0.5839478885949534, https://leetcode.com/problems/word-ladder
 443,String Compression,41.3%,Easy,0.5809942743419542, https://leetcode.com/problems/string-compression
 88,Merge Sorted Array,39.4%,Easy,0.571985667665598, https://leetcode.com/problems/merge-sorted-array
 314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.5697543914580919, https://leetcode.com/problems/binary-tree-vertical-order-traversal
 384,Shuffle an Array,52.8%,Medium,0.5613156759328372, https://leetcode.com/problems/shuffle-an-array
 235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.5565464902832835, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
 322,Coin Change,35.5%,Medium,0.5515361644679891, https://leetcode.com/problems/coin-change
 78,Subsets,62.0%,Medium,0.5447142447216986, https://leetcode.com/problems/subsets
 1472,Design Browser History,64.6%,Medium,0.5365781198684054, https://leetcode.com/problems/design-browser-history
 399,Evaluate Division,51.6%,Medium,0.5332723866487983, https://leetcode.com/problems/evaluate-division
 140,Word Break II,32.6%,Hard,0.5270660323324061, https://leetcode.com/problems/word-break-ii
 72,Edit Distance,44.8%,Hard,0.4973447790261514, https://leetcode.com/problems/edit-distance
 199,Binary Tree Right Side View,54.1%,Medium,0.48753322716717645, https://leetcode.com/problems/binary-tree-right-side-view
 662,Maximum Width of Binary Tree,41.0%,Medium,0.4763908360365309, https://leetcode.com/problems/maximum-width-of-binary-tree
 759,Employee Free Time,66.3%,Hard,0.4763656648250958, https://leetcode.com/problems/employee-free-time
 84,Largest Rectangle in Histogram,35.2%,Hard,0.47303377627978027, https://leetcode.com/problems/largest-rectangle-in-histogram
 8,String to Integer (atoi),15.4%,Medium,0.4660655155190756, https://leetcode.com/problems/string-to-integer-atoi
 128,Longest Consecutive Sequence,45.1%,Hard,0.4586585434961303, https://leetcode.com/problems/longest-consecutive-sequence
 41,First Missing Positive,32.0%,Hard,0.4577280774627401, https://leetcode.com/problems/first-missing-positive
 162,Find Peak Element,43.3%,Medium,0.4542122961558814, https://leetcode.com/problems/find-peak-element
 739,Daily Temperatures,63.3%,Medium,0.4492773337550074, https://leetcode.com/problems/daily-temperatures
 328,Odd Even Linked List,55.7%,Medium,0.44107885769261934, https://leetcode.com/problems/odd-even-linked-list
 126,Word Ladder II,22.1%,Hard,0.43777160210436394, https://leetcode.com/problems/word-ladder-ii
 50,Pow(x, n),30.3%,Medium,0.4274653596092084, https://leetcode.com/problems/powx-n
 535,Encode and Decode TinyURL,79.9%,Medium,0.4221173972425086, https://leetcode.com/problems/encode-and-decode-tinyurl
 347,Top K Frequent Elements,61.2%,Medium,0.4113452979974663, https://leetcode.com/problems/top-k-frequent-elements
 234,Palindrome Linked List,39.3%,Easy,0.40610862095331074, https://leetcode.com/problems/palindrome-linked-list
 488,Zuma Game,39.9%,Hard,0.3999856423435388, https://leetcode.com/problems/zuma-game
 118,Pascal's Triangle,52.5%,Easy,0.3983282893707838, https://leetcode.com/problems/pascals-triangle
 31,Next Permutation,32.6%,Medium,0.3965135773768611, https://leetcode.com/problems/next-permutation
 11,Container With Most Water,50.8%,Medium,0.3920877580285051, https://leetcode.com/problems/container-with-most-water
 496,Next Greater Element I,63.8%,Easy,0.39096401741736453, https://leetcode.com/problems/next-greater-element-i
 171,Excel Sheet Column Number,55.9%,Easy,0.3891015365515057, https://leetcode.com/problems/excel-sheet-column-number
 9,Palindrome Number,48.4%,Easy,0.3889248192216875, https://leetcode.com/problems/palindrome-number
 1047,Remove All Adjacent Duplicates In String,68.6%,Easy,0.38744859425846845, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.3847852205330874, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 349,Intersection of Two Arrays,62.5%,Easy,0.3823387899165356, https://leetcode.com/problems/intersection-of-two-arrays
 311,Sparse Matrix Multiplication,61.9%,Medium,0.37117603462953225, https://leetcode.com/problems/sparse-matrix-multiplication
 79,Word Search,35.6%,Medium,0.355241060704579, https://leetcode.com/problems/word-search
 44,Wildcard Matching,24.7%,Hard,0.34881383996175425, https://leetcode.com/problems/wildcard-matching
 362,Design Hit Counter,63.7%,Medium,0.34451909789108437, https://leetcode.com/problems/design-hit-counter
 230,Kth Smallest Element in a BST,60.2%,Medium,0.3413184800841155, https://leetcode.com/problems/kth-smallest-element-in-a-bst
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.33702679091242466, https://leetcode.com/problems/binary-tree-maximum-path-sum
 268,Missing Number,51.7%,Easy,0.3338128467131867, https://leetcode.com/problems/missing-number
 64,Minimum Path Sum,54.5%,Medium,0.3317195432884912, https://leetcode.com/problems/minimum-path-sum
 215,Kth Largest Element in an Array,55.4%,Medium,0.3300278321382259, https://leetcode.com/problems/kth-largest-element-in-an-array
 353,Design Snake Game,34.2%,Medium,0.32931497055013925, https://leetcode.com/problems/design-snake-game
 46,Permutations,63.5%,Medium,0.32304289477761106, https://leetcode.com/problems/permutations
 221,Maximal Square,37.7%,Medium,0.3057737602882765, https://leetcode.com/problems/maximal-square
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.30552675752628056, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 205,Isomorphic Strings,39.8%,Easy,0.30101800626340847, https://leetcode.com/problems/isomorphic-strings
 75,Sort Colors,47.3%,Medium,0.2778743740687611, https://leetcode.com/problems/sort-colors
 695,Max Area of Island,62.7%,Medium,0.2770125235595406, https://leetcode.com/problems/max-area-of-island
 136,Single Number,65.5%,Easy,0.27522969174444734, https://leetcode.com/problems/single-number
 22,Generate Parentheses,62.7%,Medium,0.274428104404814, https://leetcode.com/problems/generate-parentheses
 229,Majority Element II,35.6%,Medium,0.2683771567744578, https://leetcode.com/problems/majority-element-ii
 503,Next Greater Element II,56.5%,Medium,0.26590939545778536, https://leetcode.com/problems/next-greater-element-ii
 209,Minimum Size Subarray Sum,38.2%,Medium,0.26557641498817536, https://leetcode.com/problems/minimum-size-subarray-sum
 694,Number of Distinct Islands,56.0%,Medium,0.26236426446749106, https://leetcode.com/problems/number-of-distinct-islands
 422,Valid Word Square,37.7%,Easy,0.2578291093020998, https://leetcode.com/problems/valid-word-square
 252,Meeting Rooms,54.6%,Easy,0.2539330877151399, https://leetcode.com/problems/meeting-rooms
 286,Walls and Gates,54.5%,Medium,0.2531417471996048, https://leetcode.com/problems/walls-and-gates
 48,Rotate Image,56.7%,Medium,0.2525907526405108, https://leetcode.com/problems/rotate-image
 821,Shortest Distance to a Character,66.9%,Easy,0.24320527953164725, https://leetcode.com/problems/shortest-distance-to-a-character
 240,Search a 2D Matrix II,43.2%,Medium,0.24218097481422138, https://leetcode.com/problems/search-a-2d-matrix-ii
 716,Max Stack,42.6%,Easy,0.24108416003009112, https://leetcode.com/problems/max-stack
 85,Maximal Rectangle,37.7%,Hard,0.2404427185770219, https://leetcode.com/problems/maximal-rectangle
 63,Unique Paths II,34.6%,Medium,0.2348446787507317, https://leetcode.com/problems/unique-paths-ii
 76,Minimum Window Substring,34.6%,Hard,0.23436338587849237, https://leetcode.com/problems/minimum-window-substring
 572,Subtree of Another Tree,44.1%,Easy,0.23328636844031944, https://leetcode.com/problems/subtree-of-another-tree
 151,Reverse Words in a String,21.9%,Medium,0.23114347137583938, https://leetcode.com/problems/reverse-words-in-a-string
 412,Fizz Buzz,62.3%,Easy,0.23023806672070082, https://leetcode.com/problems/fizz-buzz
 652,Find Duplicate Subtrees,50.2%,Medium,0.23015822831359434, https://leetcode.com/problems/find-duplicate-subtrees
 924,Minimize Malware Spread,42.0%,Hard,0.22884157242884745, https://leetcode.com/problems/minimize-malware-spread
 91,Decode Ways,24.7%,Medium,0.2254754606491885, https://leetcode.com/problems/decode-ways
 238,Product of Array Except Self,60.1%,Medium,0.22477655808124566, https://leetcode.com/problems/product-of-array-except-self
 1223,Dice Roll Simulation,45.6%,Medium,0.2166710368085923, https://leetcode.com/problems/dice-roll-simulation
 560,Subarray Sum Equals K,43.9%,Medium,0.21610695147886494, https://leetcode.com/problems/subarray-sum-equals-k
 442,Find All Duplicates in an Array,67.8%,Medium,0.21334822899856468, https://leetcode.com/problems/find-all-duplicates-in-an-array
 6,ZigZag Conversion,36.3%,Medium,0.21040551802808702, https://leetcode.com/problems/zigzag-conversion
 287,Find the Duplicate Number,55.5%,Medium,0.20950804936372536, https://leetcode.com/problems/find-the-duplicate-number
 315,Count of Smaller Numbers After Self,41.5%,Hard,0.20806843787404064, https://leetcode.com/problems/count-of-smaller-numbers-after-self
 232,Implement Queue using Stacks,49.6%,Easy,0.20615437352136948, https://leetcode.com/problems/implement-queue-using-stacks
 208,Implement Trie (Prefix Tree),49.4%,Medium,0.20593713931590088, https://leetcode.com/problems/implement-trie-prefix-tree
 16,3Sum Closest,46.0%,Medium,0.2058081329110988, https://leetcode.com/problems/3sum-closest
 513,Find Bottom Left Tree Value,61.5%,Medium,0.20328581918106378, https://leetcode.com/problems/find-bottom-left-tree-value
 543,Diameter of Binary Tree,48.4%,Easy,0.2027481163433401, https://leetcode.com/problems/diameter-of-binary-tree
 836,Rectangle Overlap,48.6%,Easy,0.19944370144318244, https://leetcode.com/problems/rectangle-overlap
 13,Roman to Integer,55.7%,Easy,0.19870163716069, https://leetcode.com/problems/roman-to-integer
 510,Inorder Successor in BST II,58.0%,Medium,0.19714257713870645, https://leetcode.com/problems/inorder-successor-in-bst-ii
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.1954447382872236, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 1060,Missing Element in Sorted Array,54.5%,Medium,0.1950605825713844, https://leetcode.com/problems/missing-element-in-sorted-array
 94,Binary Tree Inorder Traversal,63.3%,Medium,0.1948180665300998, https://leetcode.com/problems/binary-tree-inorder-traversal
 120,Triangle,44.2%,Medium,0.19325424809414601, https://leetcode.com/problems/triangle
 92,Reverse Linked List II,38.8%,Medium,0.19248981022320735, https://leetcode.com/problems/reverse-linked-list-ii
 153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.191995528322351, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
 207,Course Schedule,43.1%,Medium,0.19082802919680183, https://leetcode.com/problems/course-schedule
 402,Remove K Digits,28.4%,Medium,0.18924199963852842, https://leetcode.com/problems/remove-k-digits
 658,Find K Closest Elements,40.9%,Medium,0.18663941293482042, https://leetcode.com/problems/find-k-closest-elements
 518,Coin Change 2,50.2%,Medium,0.18373876827436816, https://leetcode.com/problems/coin-change-2
 889,Construct Binary Tree from Preorder and Postorder Traversal,66.2%,Medium,0.18315872720701828, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal
 70,Climbing Stairs,47.8%,Easy,0.1820258821345787, https://leetcode.com/problems/climbing-stairs
 226,Invert Binary Tree,65.0%,Easy,0.18135450553395235, https://leetcode.com/problems/invert-binary-tree
 19,Remove Nth Node From End of List,35.2%,Medium,0.17998225417577363, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 203,Remove Linked List Elements,38.6%,Easy,0.17950766176348673, https://leetcode.com/problems/remove-linked-list-elements
 1244,Design A Leaderboard,60.7%,Medium,0.17763094743610072, https://leetcode.com/problems/design-a-leaderboard
 202,Happy Number,50.4%,Easy,0.17408932588103054, https://leetcode.com/problems/happy-number
 1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.17148553745267525, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
 97,Interleaving String,31.5%,Hard,0.17070662167607636, https://leetcode.com/problems/interleaving-string
 344,Reverse String,68.5%,Easy,0.16907996884887766, https://leetcode.com/problems/reverse-string
 971,Flip Binary Tree To Match Preorder Traversal,45.7%,Medium,0.1670540846631662, https://leetcode.com/problems/flip-binary-tree-to-match-preorder-traversal
 529,Minesweeper,59.1%,Medium,0.16635770580494058, https://leetcode.com/problems/minesweeper
 727,Minimum Window Subsequence,41.8%,Hard,0.15970111035790735, https://leetcode.com/problems/minimum-window-subsequence
 101,Symmetric Tree,46.8%,Easy,0.15457702816029933, https://leetcode.com/problems/symmetric-tree
 414,Third Maximum Number,30.5%,Easy,0.15407631103237035, https://leetcode.com/problems/third-maximum-number
 417,Pacific Atlantic Water Flow,41.1%,Medium,0.15226921172755276, https://leetcode.com/problems/pacific-atlantic-water-flow
 470,Implement Rand10() Using Rand7(),46.3%,Medium,0.15154989812720093, https://leetcode.com/problems/implement-rand10-using-rand7
 386,Lexicographical Numbers,51.6%,Medium,0.14854271203296188, https://leetcode.com/problems/lexicographical-numbers
 504,Base 7,46.2%,Easy,0.14612656455721032, https://leetcode.com/problems/base-7
 24,Swap Nodes in Pairs,50.4%,Medium,0.14499222491243005, https://leetcode.com/problems/swap-nodes-in-pairs
 237,Delete Node in a Linked List,63.8%,Easy,0.14499031042859406, https://leetcode.com/problems/delete-node-in-a-linked-list
 852,Peak Index in a Mountain Array,71.6%,Easy,0.1445812288111076, https://leetcode.com/problems/peak-index-in-a-mountain-array
 415,Add Strings,47.5%,Easy,0.14343082219506165, https://leetcode.com/problems/add-strings
 426,Convert Binary Search Tree to Sorted Doubly Linked List,59.1%,Medium,0.14252878462127264, https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
 348,Design Tic-Tac-Toe,54.3%,Medium,0.14252878462127264, https://leetcode.com/problems/design-tic-tac-toe
 188,Best Time to Buy and Sell Stock IV,28.0%,Hard,0.1396533313293086, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
 225,Implement Stack using Queues,45.1%,Easy,0.1390589799907463, https://leetcode.com/problems/implement-stack-using-queues
 250,Count Univalue Subtrees,52.0%,Medium,0.13767409129953323, https://leetcode.com/problems/count-univalue-subtrees
 71,Simplify Path,32.6%,Medium,0.13762137787604775, https://leetcode.com/problems/simplify-path
 565,Array Nesting,55.5%,Medium,0.13762137787604775, https://leetcode.com/problems/array-nesting
 397,Integer Replacement,32.9%,Medium,0.13720112151348504, https://leetcode.com/problems/integer-replacement
 99,Recover Binary Search Tree,39.7%,Hard,0.1363765523041528, https://leetcode.com/problems/recover-binary-search-tree
 81,Search in Rotated Sorted Array II,33.0%,Medium,0.13455967035008862, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
 678,Valid Parenthesis String,31.0%,Medium,0.13417736429600724, https://leetcode.com/problems/valid-parenthesis-string
 125,Valid Palindrome,36.7%,Easy,0.13416684727631417, https://leetcode.com/problems/valid-palindrome
 378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.13397014948713715, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
 1347,Minimum Number of Steps to Make Two Strings Anagram,74.7%,Medium,0.13375498122243565, https://leetcode.com/problems/minimum-number-of-steps-to-make-two-strings-anagram
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.12991500860874672, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 359,Logger Rate Limiter,70.8%,Easy,0.1248502028794759, https://leetcode.com/problems/logger-rate-limiter
 109,Convert Sorted List to Binary Search Tree,47.7%,Medium,0.12302181451266285, https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
 228,Summary Ranges,39.5%,Medium,0.1207191114343526, https://leetcode.com/problems/summary-ranges
 404,Sum of Left Leaves,50.9%,Easy,0.1193071581156751, https://leetcode.com/problems/sum-of-left-leaves
 341,Flatten Nested List Iterator,52.9%,Medium,0.11879160861126825, https://leetcode.com/problems/flatten-nested-list-iterator
 1054,Distant Barcodes,43.2%,Medium,0.11855973472455572, https://leetcode.com/problems/distant-barcodes
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.11648551004070631, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 435,Non-overlapping Intervals,42.9%,Medium,0.1158164666843426, https://leetcode.com/problems/non-overlapping-intervals
 61,Rotate List,30.0%,Medium,0.11528615545779625, https://leetcode.com/problems/rotate-list
 28,Implement strStr(),34.5%,Easy,0.11289821506454988, https://leetcode.com/problems/implement-strstr
 721,Accounts Merge,48.8%,Medium,0.11257939199174459, https://leetcode.com/problems/accounts-merge
 708,Insert into a Sorted Circular Linked List,31.6%,Medium,0.11219725014953141, https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
 532,K-diff Pairs in an Array,31.6%,Easy,0.111723209445655, https://leetcode.com/problems/k-diff-pairs-in-an-array
 82,Remove Duplicates from Sorted List II,36.8%,Medium,0.1110882064011508, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
 1188,Design Bounded Blocking Queue,70.5%,Medium,0.11030454201470608, https://leetcode.com/problems/design-bounded-blocking-queue
 198,House Robber,42.0%,Easy,0.10785152815546674, https://leetcode.com/problems/house-robber
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.10686314554236129, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 112,Path Sum,41.2%,Easy,0.10531937947649221, https://leetcode.com/problems/path-sum
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.10424167132184688, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 289,Game of Life,54.5%,Medium,0.10365526175211173, https://leetcode.com/problems/game-of-life
 336,Palindrome Pairs,33.7%,Hard,0.10259559233600947, https://leetcode.com/problems/palindrome-pairs
 141,Linked List Cycle,41.1%,Easy,0.10063328674952829, https://leetcode.com/problems/linked-list-cycle
 90,Subsets II,47.1%,Medium,0.09830555874512009, https://leetcode.com/problems/subsets-ii
 642,Design Search Autocomplete System,44.7%,Hard,0.09500811062818718, https://leetcode.com/problems/design-search-autocomplete-system
 567,Permutation in String,44.4%,Medium,0.08995633353390375, https://leetcode.com/problems/permutation-in-string
 285,Inorder Successor in BST,40.4%,Medium,0.08649364464568089, https://leetcode.com/problems/inorder-successor-in-bst
 991,Broken Calculator,45.6%,Medium,0.08515780834030685, https://leetcode.com/problems/broken-calculator
 131,Palindrome Partitioning,47.5%,Medium,0.08388550716227433, https://leetcode.com/problems/palindrome-partitioning
 297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.0834242216674795, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
 204,Count Primes,31.5%,Easy,0.08336741437414971, https://leetcode.com/problems/count-primes
 857,Minimum Cost to Hire K Workers,49.6%,Hard,0.08320805808821628, https://leetcode.com/problems/minimum-cost-to-hire-k-workers
 557,Reverse Words in a String III,69.8%,Easy,0.0828837318214325, https://leetcode.com/problems/reverse-words-in-a-string-iii
 813,Largest Sum of Averages,49.9%,Medium,0.08201315166083516, https://leetcode.com/problems/largest-sum-of-averages
 737,Sentence Similarity II,45.8%,Medium,0.08167803101426718, https://leetcode.com/problems/sentence-similarity-ii
 74,Search a 2D Matrix,36.5%,Medium,0.08108897817576358, https://leetcode.com/problems/search-a-2d-matrix
 448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.08099584515633794, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
 96,Unique Binary Search Trees,52.9%,Medium,0.08025695513016742, https://leetcode.com/problems/unique-binary-search-trees
 673,Number of Longest Increasing Subsequence,35.7%,Medium,0.08025695513016742, https://leetcode.com/problems/number-of-longest-increasing-subsequence
 303,Range Sum Query - Immutable,44.7%,Easy,0.08001707486353822, https://leetcode.com/problems/range-sum-query-immutable
 392,Is Subsequence,49.2%,Easy,0.07897107508821988, https://leetcode.com/problems/is-subsequence
 784,Letter Case Permutation,64.6%,Medium,0.0787033338274549, https://leetcode.com/problems/letter-case-permutation
 189,Rotate Array,34.7%,Easy,0.07859731751631634, https://leetcode.com/problems/rotate-array
 1297,Maximum Number of Occurrences of a Substring,47.3%,Medium,0.07770898432731625, https://leetcode.com/problems/maximum-number-of-occurrences-of-a-substring
 55,Jump Game,34.6%,Medium,0.07748307858552587, https://leetcode.com/problems/jump-game
 1155,Number of Dice Rolls With Target Sum,49.0%,Medium,0.07356256717701673, https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
 450,Delete Node in a BST,43.1%,Medium,0.07216836682371046, https://leetcode.com/problems/delete-node-in-a-bst
 35,Search Insert Position,42.6%,Easy,0.07187646029497265, https://leetcode.com/problems/search-insert-position
 1114,Print in Order,65.7%,Easy,0.0700675626167169, https://leetcode.com/problems/print-in-order
 432,All O`one Data Structure,32.4%,Hard,0.06887402901251127, https://leetcode.com/problems/all-oone-data-structure
 338,Counting Bits,69.5%,Medium,0.06616169008990747, https://leetcode.com/problems/counting-bits
 1145,Binary Tree Coloring Game,51.2%,Medium,0.06592172080482424, https://leetcode.com/problems/binary-tree-coloring-game
 167,Two Sum II - Input array is sorted,54.1%,Easy,0.06546140041370939, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
 14,Longest Common Prefix,35.4%,Easy,0.06517750377430989, https://leetcode.com/problems/longest-common-prefix
 846,Hand of Straights,54.2%,Medium,0.06472423940349638, https://leetcode.com/problems/hand-of-straights
 1105,Filling Bookcase Shelves,58.1%,Medium,0.06464285626208545, https://leetcode.com/problems/filling-bookcase-shelves
 36,Valid Sudoku,48.7%,Medium,0.06350219850936348, https://leetcode.com/problems/valid-sudoku
 413,Arithmetic Slices,57.9%,Medium,0.06286986221654821, https://leetcode.com/problems/arithmetic-slices
 350,Intersection of Two Arrays II,51.4%,Easy,0.06202949919751832, https://leetcode.com/problems/intersection-of-two-arrays-ii
 47,Permutations II,46.4%,Medium,0.05897935516253239, https://leetcode.com/problems/permutations-ii
 516,Longest Palindromic Subsequence,53.2%,Medium,0.058432099871092734, https://leetcode.com/problems/longest-palindromic-subsequence
 32,Longest Valid Parentheses,28.4%,Hard,0.0556316959861487, https://leetcode.com/problems/longest-valid-parentheses
 30,Substring with Concatenation of All Words,25.4%,Hard,0.05509349054082484, https://leetcode.com/problems/substring-with-concatenation-of-all-words
 149,Max Points on a Line,16.9%,Hard,0.0550597771830274, https://leetcode.com/problems/max-points-on-a-line
 222,Count Complete Tree Nodes,46.8%,Medium,0.05492114472894792, https://leetcode.com/problems/count-complete-tree-nodes
 752,Open the Lock,51.8%,Medium,0.05449289949671372, https://leetcode.com/problems/open-the-lock
 703,Kth Largest Element in a Stream,49.7%,Easy,0.054472280837981495, https://leetcode.com/problems/kth-largest-element-in-a-stream
 724,Find Pivot Index,44.0%,Easy,0.05428741283782842, https://leetcode.com/problems/find-pivot-index
 714,Best Time to Buy and Sell Stock with Transaction Fee,54.7%,Medium,0.05377639678080413, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.05371219359052555, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 1312,Minimum Insertion Steps to Make a String Palindrome,58.1%,Hard,0.050261834780888255, https://leetcode.com/problems/minimum-insertion-steps-to-make-a-string-palindrome
 216,Combination Sum III,56.6%,Medium,0.05017774958571902, https://leetcode.com/problems/combination-sum-iii
 219,Contains Duplicate II,37.7%,Easy,0.05012010405957234, https://leetcode.com/problems/contains-duplicate-ii
 129,Sum Root to Leaf Numbers,49.1%,Medium,0.050010420574661374, https://leetcode.com/problems/sum-root-to-leaf-numbers
 152,Maximum Product Subarray,31.7%,Medium,0.04922388062576129, https://leetcode.com/problems/maximum-product-subarray
 437,Path Sum III,47.2%,Medium,0.047656426639019575, https://leetcode.com/problems/path-sum-iii
 986,Interval List Intersections,67.3%,Medium,0.04703983015489417, https://leetcode.com/problems/interval-list-intersections
 556,Next Greater Element III,31.7%,Medium,0.04679216150675895, https://leetcode.com/problems/next-greater-element-iii
 933,Number of Recent Calls,71.9%,Easy,0.046737477851689815, https://leetcode.com/problems/number-of-recent-calls
 978,Longest Turbulent Subarray,46.6%,Medium,0.046737477851689815, https://leetcode.com/problems/longest-turbulent-subarray
 176,Second Highest Salary,31.6%,Easy,0.045338680589061736, https://leetcode.com/problems/second-highest-salary
 733,Flood Fill,55.3%,Easy,0.04413292021115189, https://leetcode.com/problems/flood-fill
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.043698924213377836, https://leetcode.com/problems/maximum-depth-of-binary-tree
 895,Maximum Frequency Stack,60.6%,Hard,0.04329680575332419, https://leetcode.com/problems/maximum-frequency-stack
 110,Balanced Binary Tree,43.5%,Easy,0.04313244044957316, https://leetcode.com/problems/balanced-binary-tree
 540,Single Element in a Sorted Array,57.9%,Medium,0.042721256704769804, https://leetcode.com/problems/single-element-in-a-sorted-array
 787,Cheapest Flights Within K Stops,39.3%,Medium,0.04186657939278993, https://leetcode.com/problems/cheapest-flights-within-k-stops
 29,Divide Two Integers,16.4%,Medium,0.04159641425367403, https://leetcode.com/problems/divide-two-integers
 258,Add Digits,57.6%,Easy,0.04107874349984602, https://leetcode.com/problems/add-digits
 292,Nim Game,54.9%,Easy,0.03996979643236185, https://leetcode.com/problems/nim-game
 212,Word Search II,34.9%,Hard,0.03881156536434583, https://leetcode.com/problems/word-search-ii
 18,4Sum,33.7%,Medium,0.03880215185647971, https://leetcode.com/problems/4sum
 993,Cousins in Binary Tree,52.0%,Easy,0.03876454345024432, https://leetcode.com/problems/cousins-in-binary-tree
 270,Closest Binary Search Tree Value,48.5%,Easy,0.03812405784173832, https://leetcode.com/problems/closest-binary-search-tree-value
 144,Binary Tree Preorder Traversal,55.7%,Medium,0.03751377610149742, https://leetcode.com/problems/binary-tree-preorder-traversal
 646,Maximum Length of Pair Chain,51.9%,Medium,0.036870535808327706, https://leetcode.com/problems/maximum-length-of-pair-chain
 340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.035917667750755534, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
 650,2 Keys Keyboard,49.2%,Medium,0.035910501305770864, https://leetcode.com/problems/2-keys-keyboard
 334,Increasing Triplet Subsequence,40.0%,Medium,0.03577488021091517, https://leetcode.com/problems/increasing-triplet-subsequence
 595,Big Countries,77.3%,Easy,0.03475253199083958, https://leetcode.com/problems/big-countries
 1002,Find Common Characters,67.6%,Easy,0.03404262162737441, https://leetcode.com/problems/find-common-characters
 217,Contains Duplicate,56.0%,Easy,0.03367321510658789, https://leetcode.com/problems/contains-duplicate
 274,H-Index,36.1%,Medium,0.03364488914272426, https://leetcode.com/problems/h-index
 1123,Lowest Common Ancestor of Deepest Leaves,66.8%,Medium,0.03147388037973136, https://leetcode.com/problems/lowest-common-ancestor-of-deepest-leaves
 38,Count and Say,44.6%,Easy,0.030956234663467107, https://leetcode.com/problems/count-and-say
 581,Shortest Unsorted Continuous Subarray,31.1%,Easy,0.029773949243192512, https://leetcode.com/problems/shortest-unsorted-continuous-subarray
 66,Plus One,43.0%,Easy,0.028982869090985654, https://leetcode.com/problems/plus-one
 147,Insertion Sort List,41.1%,Medium,0.028675799976666333, https://leetcode.com/problems/insertion-sort-list
 621,Task Scheduler,50.1%,Medium,0.028315771352780777, https://leetcode.com/problems/task-scheduler
 547,Friend Circles,58.6%,Medium,0.027307522052851193, https://leetcode.com/problems/friend-circles
 310,Minimum Height Trees,32.3%,Medium,0.02446605215440636, https://leetcode.com/problems/minimum-height-trees
 210,Course Schedule II,40.7%,Medium,0.023133880315464483, https://leetcode.com/problems/course-schedule-ii
 39,Combination Sum,56.1%,Medium,0.02267028230338623, https://leetcode.com/problems/combination-sum
 113,Path Sum II,46.7%,Medium,0.021882711249507664, https://leetcode.com/problems/path-sum-ii
 40,Combination Sum II,48.2%,Medium,0.021424290044083395, https://leetcode.com/problems/combination-sum-ii
 278,First Bad Version,35.7%,Easy,0.021394050366625766, https://leetcode.com/problems/first-bad-version
 224,Basic Calculator,36.8%,Hard,0.020965128465044926, https://leetcode.com/problems/basic-calculator
 424,Longest Repeating Character Replacement,47.0%,Medium,0.020461071871340063, https://leetcode.com/problems/longest-repeating-character-replacement
 617,Merge Two Binary Trees,74.1%,Easy,0.018496211633622316, https://leetcode.com/problems/merge-two-binary-trees
 438,Find All Anagrams in a String,43.3%,Medium,0.01819334596120571, https://leetcode.com/problems/find-all-anagrams-in-a-string
 406,Queue Reconstruction by Height,66.9%,Medium,0.01774669468133533, https://leetcode.com/problems/queue-reconstruction-by-height
 863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.01695674371877865, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
 1025,Divisor Game,66.3%,Easy,0.015015297119995507, https://leetcode.com/problems/divisor-game
 912,Sort an Array,63.9%,Medium,0.01443026482902881, https://leetcode.com/problems/sort-an-array
 27,Remove Element,48.2%,Easy,0.01413451093490476, https://leetcode.com/problems/remove-element
 100,Same Tree,53.4%,Easy,0.012601237835529503, https://leetcode.com/problems/same-tree
 172,Factorial Trailing Zeroes,37.8%,Easy,0.012326812480658571, https://leetcode.com/problems/factorial-trailing-zeroes
 957,Prison Cells After N Days,40.7%,Medium,0.010986103354595014, https://leetcode.com/problems/prison-cells-after-n-days
 559,Maximum Depth of N-ary Tree,68.7%,Easy,0.010974047031976715, https://leetcode.com/problems/maximum-depth-of-n-ary-tree
 746,Min Cost Climbing Stairs,50.3%,Easy,0.009818439209289494, https://leetcode.com/problems/min-cost-climbing-stairs
 106,Construct Binary Tree from Inorder and Postorder Traversal,47.2%,Medium,0.009328969762346678, https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
 977,Squares of a Sorted Array,72.1%,Easy,0.008733679968754604, https://leetcode.com/problems/squares-of-a-sorted-array
 1480,Running Sum of 1d Array,90.5%,Easy,0.0026196884456014947, https://leetcode.com/problems/running-sum-of-1d-array
 266,Palindrome Permutation,61.9%,Easy,0, https://leetcode.com/problems/palindrome-permutation
 158,Read N Characters Given Read4 II - Call multiple times,33.8%,Hard,0, https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
 570,Managers with at Least 5 Direct Reports,66.0%,Medium,0, https://leetcode.com/problems/managers-with-at-least-5-direct-reports
 669,Trim a Binary Search Tree,63.0%,Easy,0, https://leetcode.com/problems/trim-a-binary-search-tree
 749,Contain Virus,44.6%,Hard,0, https://leetcode.com/problems/contain-virus
 1104,Path In Zigzag Labelled Binary Tree,72.0%,Medium,0, https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree
 1478,Allocate Mailboxes,54.9%,Hard,0, https://leetcode.com/problems/allocate-mailboxes
--- a/bloomreach_alltime.csv
+++ b/bloomreach_alltime.csv
@@ -0,0 +1 @@
 1111,Maximum Nesting Depth of Two Valid Parentheses Strings,70.4%,Medium,0, https://leetcode.com/problems/maximum-nesting-depth-of-two-valid-parentheses-strings
--- a/booking_alltime.csv
+++ b/booking_alltime.csv
@@ -0,0 +1 @@
 1034,Coloring A Border,44.7%,Medium,0, https://leetcode.com/problems/coloring-a-border
--- a/bookingcom_2year.csv
+++ b/bookingcom_2year.csv
@@ -0,0 +1,5 @@
 362,Design Hit Counter,63.7%,Medium,0.013911076949000302, https://leetcode.com/problems/design-hit-counter
 49,Group Anagrams,56.9%,Medium,0.008538951314232168, https://leetcode.com/problems/group-anagrams
 253,Meeting Rooms II,45.7%,Medium,0.008079219870546493, https://leetcode.com/problems/meeting-rooms-ii
 140,Word Break II,32.6%,Hard,0.0027070942357783584, https://leetcode.com/problems/word-break-ii
 1,Two Sum,45.6%,Easy,0.0008206138651873125, https://leetcode.com/problems/two-sum
--- a/bookingcom_alltime.csv
+++ b/bookingcom_alltime.csv
@@ -0,0 +1,5 @@
 49,Group Anagrams,56.9%,Medium,0.04730812692103113, https://leetcode.com/problems/group-anagrams
 253,Meeting Rooms II,45.7%,Medium,0.03193246767820989, https://leetcode.com/problems/meeting-rooms-ii
 362,Design Hit Counter,63.7%,Medium,0.025382073271417165, https://leetcode.com/problems/design-hit-counter
 1,Two Sum,45.6%,Easy,0.010006414028595919, https://leetcode.com/problems/two-sum
 140,Word Break II,32.6%,Hard,0.006080688960926012, https://leetcode.com/problems/word-break-ii
--- a/box_1year.csv
+++ b/box_1year.csv
@@ -0,0 +1,5 @@
 965,Univalued Binary Tree,67.7%,Easy,0.17568822959180388, https://leetcode.com/problems/univalued-binary-tree
 250,Count Univalue Subtrees,52.0%,Medium,0.17554347025042502, https://leetcode.com/problems/count-univalue-subtrees
 191,Number of 1 Bits,49.8%,Easy,0.172501270043584, https://leetcode.com/problems/number-of-1-bits
 68,Text Justification,27.7%,Hard,0.10627110304957266, https://leetcode.com/problems/text-justification
 126,Word Ladder II,22.1%,Hard,0.04004093605556132, https://leetcode.com/problems/word-ladder-ii
--- a/box_2year.csv
+++ b/box_2year.csv
@@ -0,0 +1,8 @@
 250,Count Univalue Subtrees,52.0%,Medium,1.1142520926168622, https://leetcode.com/problems/count-univalue-subtrees
 965,Univalued Binary Tree,67.7%,Easy,0.8592043555602473, https://leetcode.com/problems/univalued-binary-tree
 68,Text Justification,27.7%,Hard,0.6976918484065334, https://leetcode.com/problems/text-justification
 935,Knight Dialer,45.2%,Medium,0.44264411134991843, https://leetcode.com/problems/knight-dialer
 191,Number of 1 Bits,49.8%,Easy,0.20448184426913651, https://leetcode.com/problems/number-of-1-bits
 126,Word Ladder II,22.1%,Hard,0.04004093605556132, https://leetcode.com/problems/word-ladder-ii
 23,Merge k Sorted Lists,40.2%,Hard,0.009092808657599025, https://leetcode.com/problems/merge-k-sorted-lists
 1,Two Sum,45.6%,Easy,0.00184543512358731, https://leetcode.com/problems/two-sum
--- a/box_6months.csv
+++ b/box_6months.csv
@@ -0,0 +1,4 @@
 191,Number of 1 Bits,49.8%,Easy,0.0973962103257407, https://leetcode.com/problems/number-of-1-bits
 68,Text Justification,27.7%,Hard,0.06116036187169583, https://leetcode.com/problems/text-justification
 965,Univalued Binary Tree,67.7%,Easy,0.04151887834779356, https://leetcode.com/problems/univalued-binary-tree
 250,Count Univalue Subtrees,52.0%,Medium,0.036235848454044865, https://leetcode.com/problems/count-univalue-subtrees
--- a/box_alltime.csv
+++ b/box_alltime.csv
@@ -0,0 +1,8 @@
 250,Count Univalue Subtrees,52.0%,Medium,1.7195134036164268, https://leetcode.com/problems/count-univalue-subtrees
 965,Univalued Binary Tree,67.7%,Easy,1.2504050329534637, https://leetcode.com/problems/univalued-binary-tree
 68,Text Justification,27.7%,Hard,0.7812966622905007, https://leetcode.com/problems/text-justification
 935,Knight Dialer,45.2%,Medium,0.5465437063680699, https://leetcode.com/problems/knight-dialer
 191,Number of 1 Bits,49.8%,Easy,0.3920623591078002, https://leetcode.com/problems/number-of-1-bits
 126,Word Ladder II,22.1%,Hard,0.10749169745614619, https://leetcode.com/problems/word-ladder-ii
 1,Two Sum,45.6%,Easy,0.07147453361485057, https://leetcode.com/problems/two-sum
 23,Merge k Sorted Lists,40.2%,Hard,0.0250564321052577, https://leetcode.com/problems/merge-k-sorted-lists
--- a/bytedance_1year.csv
+++ b/bytedance_1year.csv
@@ -0,0 +1,97 @@
 407,Trapping Rain Water II,42.4%,Hard,0.4512959462757127, https://leetcode.com/problems/trapping-rain-water-ii
 403,Frog Jump,39.7%,Hard,0.40653748891792285, https://leetcode.com/problems/frog-jump
 1202,Smallest String With Swaps,46.5%,Medium,0.3430272491675487, https://leetcode.com/problems/smallest-string-with-swaps
 493,Reverse Pairs,25.2%,Hard,0.33395175639587793, https://leetcode.com/problems/reverse-pairs
 465,Optimal Account Balancing,46.9%,Hard,0.3083474266820498, https://leetcode.com/problems/optimal-account-balancing
 777,Swap Adjacent in LR String,34.8%,Medium,0.30093653925373076, https://leetcode.com/problems/swap-adjacent-in-lr-string
 25,Reverse Nodes in k-Group,42.1%,Hard,0.2704051213089347, https://leetcode.com/problems/reverse-nodes-in-k-group
 1262,Greatest Sum Divisible by Three,47.6%,Medium,0.2325914143917342, https://leetcode.com/problems/greatest-sum-divisible-by-three
 42,Trapping Rain Water,48.9%,Hard,0.16908117464136005, https://leetcode.com/problems/trapping-rain-water
 146,LRU Cache,33.2%,Medium,0.15357414478678588, https://leetcode.com/problems/lru-cache
 726,Number of Atoms,49.0%,Hard,0.13804422079620546, https://leetcode.com/problems/number-of-atoms
 1172,Dinner Plate Stacks,38.2%,Hard,0.12963106265293975, https://leetcode.com/problems/dinner-plate-stacks
 316,Remove Duplicate Letters,35.8%,Hard,0.1165801830326188, https://leetcode.com/problems/remove-duplicate-letters
 681,Next Closest Time,45.0%,Medium,0.11013564249600598, https://leetcode.com/problems/next-closest-time
 320,Generalized Abbreviation,52.1%,Medium,0.09352605801082346, https://leetcode.com/problems/generalized-abbreviation
 351,Android Unlock Patterns,48.4%,Medium,0.07197349962508924, https://leetcode.com/problems/android-unlock-patterns
 386,Lexicographical Numbers,51.6%,Medium,0.06875559541512997, https://leetcode.com/problems/lexicographical-numbers
 51,N-Queens,46.6%,Hard,0.06402185876493102, https://leetcode.com/problems/n-queens
 772,Basic Calculator III,41.3%,Hard,0.06331227941432688, https://leetcode.com/problems/basic-calculator-iii
 735,Asteroid Collision,41.0%,Medium,0.05479154882968245, https://leetcode.com/problems/asteroid-collision
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.05371219359052555, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 31,Next Permutation,32.6%,Medium,0.05265913800819017, https://leetcode.com/problems/next-permutation
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.052557250738676044, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 1339,Maximum Product of Splitted Binary Tree,37.2%,Medium,0.05064373281875492, https://leetcode.com/problems/maximum-product-of-splitted-binary-tree
 282,Expression Add Operators,35.5%,Hard,0.049982640867735496, https://leetcode.com/problems/expression-add-operators
 449,Serialize and Deserialize BST,52.0%,Medium,0.049844204077291364, https://leetcode.com/problems/serialize-and-deserialize-bst
 1283,Find the Smallest Divisor Given a Threshold,47.6%,Medium,0.047798823737776906, https://leetcode.com/problems/find-the-smallest-divisor-given-a-threshold
 240,Search a 2D Matrix II,43.2%,Medium,0.04647676584572884, https://leetcode.com/problems/search-a-2d-matrix-ii
 856,Score of Parentheses,60.5%,Medium,0.04567003683318837, https://leetcode.com/problems/score-of-parentheses
 143,Reorder List,37.1%,Medium,0.04554002588608351, https://leetcode.com/problems/reorder-list
 1235,Maximum Profit in Job Scheduling,44.0%,Hard,0.040573516447166516, https://leetcode.com/problems/maximum-profit-in-job-scheduling
 317,Shortest Distance from All Buildings,41.4%,Hard,0.03795522000043556, https://leetcode.com/problems/shortest-distance-from-all-buildings
 402,Remove K Digits,28.4%,Medium,0.03755134565213245, https://leetcode.com/problems/remove-k-digits
 1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.03628515973976445, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
 199,Binary Tree Right Side View,54.1%,Medium,0.034997972754213943, https://leetcode.com/problems/binary-tree-right-side-view
 215,Kth Largest Element in an Array,55.4%,Medium,0.03458557964977998, https://leetcode.com/problems/kth-largest-element-in-an-array
 974,Subarray Sums Divisible by K,48.9%,Medium,0.03367321510658789, https://leetcode.com/problems/subarray-sums-divisible-by-k
 207,Course Schedule,43.1%,Medium,0.030628389490117876, https://leetcode.com/problems/course-schedule
 44,Wildcard Matching,24.7%,Hard,0.030573033362282363, https://leetcode.com/problems/wildcard-matching
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.029105663386885607, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 33,Search in Rotated Sorted Array,34.5%,Medium,0.0287009496170278, https://leetcode.com/problems/search-in-rotated-sorted-array
 695,Max Area of Island,62.7%,Medium,0.028321590863246118, https://leetcode.com/problems/max-area-of-island
 445,Add Two Numbers II,54.5%,Medium,0.02753309435998931, https://leetcode.com/problems/add-two-numbers-ii
 79,Word Search,35.6%,Medium,0.026308653156300807, https://leetcode.com/problems/word-search
 23,Merge k Sorted Lists,40.2%,Hard,0.0250564321052577, https://leetcode.com/problems/merge-k-sorted-lists
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.024604324231039386, https://leetcode.com/problems/longest-substring-without-repeating-characters
 78,Subsets,62.0%,Medium,0.022827872206034577, https://leetcode.com/problems/subsets
 72,Edit Distance,44.8%,Hard,0.022400140173127806, https://leetcode.com/problems/edit-distance
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.021945744272529284, https://leetcode.com/problems/binary-tree-maximum-path-sum
 698,Partition to K Equal Sum Subsets,45.0%,Medium,0.02109782896463587, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
 543,Diameter of Binary Tree,48.4%,Easy,0.02105617995251665, https://leetcode.com/problems/diameter-of-binary-tree
 670,Maximum Swap,43.6%,Medium,0.020844944430365928, https://leetcode.com/problems/maximum-swap
 1143,Longest Common Subsequence,58.4%,Medium,0.019772173115579716, https://leetcode.com/problems/longest-common-subsequence
 173,Binary Search Tree Iterator,56.6%,Medium,0.01899993824490396, https://leetcode.com/problems/binary-search-tree-iterator
 347,Top K Frequent Elements,61.2%,Medium,0.018049036874660983, https://leetcode.com/problems/top-k-frequent-elements
 406,Queue Reconstruction by Height,66.9%,Medium,0.01774669468133533, https://leetcode.com/problems/queue-reconstruction-by-height
 415,Add Strings,47.5%,Easy,0.016991158247219373, https://leetcode.com/problems/add-strings
 41,First Missing Positive,32.0%,Hard,0.014368063266920193, https://leetcode.com/problems/first-missing-positive
 222,Count Complete Tree Nodes,46.8%,Medium,0.014015646388344492, https://leetcode.com/problems/count-complete-tree-nodes
 76,Minimum Window Substring,34.6%,Hard,0.013966707481708198, https://leetcode.com/problems/minimum-window-substring
 179,Largest Number,28.8%,Medium,0.013865040137171665, https://leetcode.com/problems/largest-number
 56,Merge Intervals,39.3%,Medium,0.013819532422258866, https://leetcode.com/problems/merge-intervals
 523,Continuous Subarray Sum,24.6%,Medium,0.011816976504784561, https://leetcode.com/problems/continuous-subarray-sum
 350,Intersection of Two Arrays II,51.4%,Easy,0.01168540951877908, https://leetcode.com/problems/intersection-of-two-arrays-ii
 148,Sort List,42.3%,Medium,0.011204599012863078, https://leetcode.com/problems/sort-list
 92,Reverse Linked List II,38.8%,Medium,0.010427623162259089, https://leetcode.com/problems/reverse-linked-list-ii
 22,Generate Parentheses,62.7%,Medium,0.009785877810632554, https://leetcode.com/problems/generate-parentheses
 113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.009531951009811851, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 46,Permutations,63.5%,Medium,0.009461803137288448, https://leetcode.com/problems/permutations
 206,Reverse Linked List,62.5%,Easy,0.009326794511974934, https://leetcode.com/problems/reverse-linked-list
 322,Coin Change,35.5%,Medium,0.00904437880665999, https://leetcode.com/problems/coin-change
 295,Find Median from Data Stream,44.3%,Hard,0.00899893586856953, https://leetcode.com/problems/find-median-from-data-stream
 139,Word Break,40.1%,Medium,0.008741314401573542, https://leetcode.com/problems/word-break
 977,Squares of a Sorted Array,72.1%,Easy,0.008733679968754604, https://leetcode.com/problems/squares-of-a-sorted-array
 209,Minimum Size Subarray Sum,38.2%,Medium,0.00841401682484616, https://leetcode.com/problems/minimum-size-subarray-sum
 239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
 349,Intersection of Two Arrays,62.5%,Easy,0.00725034896230682, https://leetcode.com/problems/intersection-of-two-arrays
 110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
 19,Remove Nth Node From End of List,35.2%,Medium,0.0069087555063702365, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.006816368572598042, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 54,Spiral Matrix,34.1%,Medium,0.0065941551175130245, https://leetcode.com/problems/spiral-matrix
 200,Number of Islands,46.8%,Medium,0.006490251382779317, https://leetcode.com/problems/number-of-islands
 162,Find Peak Element,43.3%,Medium,0.006350235659345837, https://leetcode.com/problems/find-peak-element
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.005628268691614718, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 152,Maximum Product Subarray,31.7%,Medium,0.005590510716885066, https://leetcode.com/problems/maximum-product-subarray
 1,Two Sum,45.6%,Easy,0.0051178232035212715, https://leetcode.com/problems/two-sum
 21,Merge Two Sorted Lists,53.5%,Easy,0.005067007800877041, https://leetcode.com/problems/merge-two-sorted-lists
 55,Jump Game,34.6%,Medium,0.005022612266291382, https://leetcode.com/problems/jump-game
 53,Maximum Subarray,46.5%,Easy,0.004869349014182134, https://leetcode.com/problems/maximum-subarray
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0047725193990346675, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 4,Median of Two Sorted Arrays,29.6%,Hard,0.003900160950094767, https://leetcode.com/problems/median-of-two-sorted-arrays
 198,House Robber,42.0%,Easy,0.0037576371128333645, https://leetcode.com/problems/house-robber
 11,Container With Most Water,50.8%,Medium,0.0030677223230101427, https://leetcode.com/problems/container-with-most-water
 88,Merge Sorted Array,39.4%,Easy,0.0030102370714243072, https://leetcode.com/problems/merge-sorted-array
 98,Validate Binary Search Tree,27.8%,Medium,0.002943776044013381, https://leetcode.com/problems/validate-binary-search-tree
 2,Add Two Numbers,33.9%,Medium,0.0016886191111440908, https://leetcode.com/problems/add-two-numbers
--- a/bytedance_2year.csv
+++ b/bytedance_2year.csv
@@ -0,0 +1,116 @@
 407,Trapping Rain Water II,42.4%,Hard,0.4558904036597034, https://leetcode.com/problems/trapping-rain-water-ii
 403,Frog Jump,39.7%,Hard,0.4111319463019136, https://leetcode.com/problems/frog-jump
 25,Reverse Nodes in k-Group,42.1%,Hard,0.35618539084316814, https://leetcode.com/problems/reverse-nodes-in-k-group
 440,K-th Smallest in Lexicographical Order,29.1%,Hard,0.34839058652267263, https://leetcode.com/problems/k-th-smallest-in-lexicographical-order
 1202,Smallest String With Swaps,46.5%,Medium,0.3389771958902773, https://leetcode.com/problems/smallest-string-with-swaps
 493,Reverse Pairs,25.2%,Hard,0.32990170311860656, https://leetcode.com/problems/reverse-pairs
 465,Optimal Account Balancing,46.9%,Hard,0.3042973734047784, https://leetcode.com/problems/optimal-account-balancing
 42,Trapping Rain Water,48.9%,Hard,0.2984014185392094, https://leetcode.com/problems/trapping-rain-water
 777,Swap Adjacent in LR String,34.8%,Medium,0.2968864859764594, https://leetcode.com/problems/swap-adjacent-in-lr-string
 146,LRU Cache,33.2%,Medium,0.28348791657320827, https://leetcode.com/problems/lru-cache
 1262,Greatest Sum Divisible by Three,47.6%,Medium,0.22854136111446283, https://leetcode.com/problems/greatest-sum-divisible-by-three
 670,Maximum Swap,43.6%,Medium,0.1735948056557174, https://leetcode.com/problems/maximum-swap
 351,Android Unlock Patterns,48.4%,Medium,0.15521621002929656, https://leetcode.com/problems/android-unlock-patterns
 470,Implement Rand10() Using Rand7(),46.3%,Medium,0.15154989812720093, https://leetcode.com/problems/implement-rand10-using-rand7
 317,Shortest Distance from All Buildings,41.4%,Hard,0.14387423888417297, https://leetcode.com/problems/shortest-distance-from-all-buildings
 726,Number of Atoms,49.0%,Hard,0.13804422079620546, https://leetcode.com/problems/number-of-atoms
 1172,Dinner Plate Stacks,38.2%,Hard,0.12963106265293975, https://leetcode.com/problems/dinner-plate-stacks
 316,Remove Duplicate Letters,35.8%,Hard,0.1165801830326188, https://leetcode.com/problems/remove-duplicate-letters
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.11459264165812869, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 681,Next Closest Time,45.0%,Medium,0.11013564249600598, https://leetcode.com/problems/next-closest-time
 143,Reorder List,37.1%,Medium,0.09969510903753867, https://leetcode.com/problems/reorder-list
 320,Generalized Abbreviation,52.1%,Medium,0.09352605801082346, https://leetcode.com/problems/generalized-abbreviation
 31,Next Permutation,32.6%,Medium,0.09178119886142269, https://leetcode.com/problems/next-permutation
 33,Search in Rotated Sorted Array,34.5%,Medium,0.07777550022464022, https://leetcode.com/problems/search-in-rotated-sorted-array
 1057,Campus Bikes,57.7%,Medium,0.07107786641655695, https://leetcode.com/problems/campus-bikes
 386,Lexicographical Numbers,51.6%,Medium,0.06875559541512997, https://leetcode.com/problems/lexicographical-numbers
 199,Binary Tree Right Side View,54.1%,Medium,0.06748154336946242, https://leetcode.com/problems/binary-tree-right-side-view
 51,N-Queens,46.6%,Hard,0.06402185876493102, https://leetcode.com/problems/n-queens
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.06370380162663494, https://leetcode.com/problems/longest-substring-without-repeating-characters
 772,Basic Calculator III,41.3%,Hard,0.06331227941432688, https://leetcode.com/problems/basic-calculator-iii
 23,Merge k Sorted Lists,40.2%,Hard,0.06293239083543646, https://leetcode.com/problems/merge-k-sorted-lists
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.05627201992757647, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 735,Asteroid Collision,41.0%,Medium,0.05479154882968245, https://leetcode.com/problems/asteroid-collision
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.05371219359052555, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 1339,Maximum Product of Splitted Binary Tree,37.2%,Medium,0.05064373281875492, https://leetcode.com/problems/maximum-product-of-splitted-binary-tree
 282,Expression Add Operators,35.5%,Hard,0.049982640867735496, https://leetcode.com/problems/expression-add-operators
 449,Serialize and Deserialize BST,52.0%,Medium,0.049844204077291364, https://leetcode.com/problems/serialize-and-deserialize-bst
 695,Max Area of Island,62.7%,Medium,0.04980799142417255, https://leetcode.com/problems/max-area-of-island
 445,Add Two Numbers II,54.5%,Medium,0.04843561709959499, https://leetcode.com/problems/add-two-numbers-ii
 1283,Find the Smallest Divisor Given a Threshold,47.6%,Medium,0.047798823737776906, https://leetcode.com/problems/find-the-smallest-divisor-given-a-threshold
 215,Kth Largest Element in an Array,55.4%,Medium,0.04678657567912081, https://leetcode.com/problems/kth-largest-element-in-an-array
 543,Diameter of Binary Tree,48.4%,Easy,0.04676784186766119, https://leetcode.com/problems/diameter-of-binary-tree
 240,Search a 2D Matrix II,43.2%,Medium,0.04647676584572884, https://leetcode.com/problems/search-a-2d-matrix-ii
 856,Score of Parentheses,60.5%,Medium,0.04567003683318837, https://leetcode.com/problems/score-of-parentheses
 1235,Maximum Profit in Job Scheduling,44.0%,Hard,0.040573516447166516, https://leetcode.com/problems/maximum-profit-in-job-scheduling
 72,Edit Distance,44.8%,Hard,0.039482058697133414, https://leetcode.com/problems/edit-distance
 402,Remove K Digits,28.4%,Medium,0.03755134565213245, https://leetcode.com/problems/remove-k-digits
 1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.03628515973976445, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
 71,Simplify Path,32.6%,Medium,0.03622126343431837, https://leetcode.com/problems/simplify-path
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.034081815554754834, https://leetcode.com/problems/binary-tree-maximum-path-sum
 974,Subarray Sums Divisible by K,48.9%,Medium,0.03367321510658789, https://leetcode.com/problems/subarray-sums-divisible-by-k
 209,Minimum Size Subarray Sum,38.2%,Medium,0.033239453928687726, https://leetcode.com/problems/minimum-size-subarray-sum
 222,Count Complete Tree Nodes,46.8%,Medium,0.031263400619043376, https://leetcode.com/problems/count-complete-tree-nodes
 207,Course Schedule,43.1%,Medium,0.030628389490117876, https://leetcode.com/problems/course-schedule
 44,Wildcard Matching,24.7%,Hard,0.030573033362282363, https://leetcode.com/problems/wildcard-matching
 160,Intersection of Two Linked Lists,40.6%,Easy,0.030246680296091687, https://leetcode.com/problems/intersection-of-two-linked-lists
 415,Add Strings,47.5%,Easy,0.030009753867991852, https://leetcode.com/problems/add-strings
 21,Merge Two Sorted Lists,53.5%,Easy,0.02728150490352749, https://leetcode.com/problems/merge-two-sorted-lists
 79,Word Search,35.6%,Medium,0.026308653156300807, https://leetcode.com/problems/word-search
 54,Spiral Matrix,34.1%,Medium,0.02611966966892215, https://leetcode.com/problems/spiral-matrix
 41,First Missing Positive,32.0%,Hard,0.02540222313806603, https://leetcode.com/problems/first-missing-positive
 347,Top K Frequent Elements,61.2%,Medium,0.02350975159825416, https://leetcode.com/problems/top-k-frequent-elements
 286,Walls and Gates,54.5%,Medium,0.02324334737232728, https://leetcode.com/problems/walls-and-gates
 78,Subsets,62.0%,Medium,0.022827872206034577, https://leetcode.com/problems/subsets
 152,Maximum Product Subarray,31.7%,Medium,0.022176931045949227, https://leetcode.com/problems/maximum-product-subarray
 958,Check Completeness of a Binary Tree,52.1%,Medium,0.021763644636359686, https://leetcode.com/problems/check-completeness-of-a-binary-tree
 698,Partition to K Equal Sum Subsets,45.0%,Medium,0.02109782896463587, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
 206,Reverse Linked List,62.5%,Easy,0.02086427467076072, https://leetcode.com/problems/reverse-linked-list
 350,Intersection of Two Arrays II,51.4%,Easy,0.020680587107206983, https://leetcode.com/problems/intersection-of-two-arrays-ii
 1,Two Sum,45.6%,Easy,0.020315992091756507, https://leetcode.com/problems/two-sum
 1143,Longest Common Subsequence,58.4%,Medium,0.019772173115579716, https://leetcode.com/problems/longest-common-subsequence
 53,Maximum Subarray,46.5%,Easy,0.019336728821707075, https://leetcode.com/problems/maximum-subarray
 11,Container With Most Water,50.8%,Medium,0.019020658639039362, https://leetcode.com/problems/container-with-most-water
 173,Binary Search Tree Iterator,56.6%,Medium,0.01899993824490396, https://leetcode.com/problems/binary-search-tree-iterator
 314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.018010392274465332, https://leetcode.com/problems/binary-tree-vertical-order-traversal
 406,Queue Reconstruction by Height,66.9%,Medium,0.01774669468133533, https://leetcode.com/problems/queue-reconstruction-by-height
 22,Generate Parentheses,62.7%,Medium,0.017331456351639924, https://leetcode.com/problems/generate-parentheses
 863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.01695674371877865, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
 322,Coin Change,35.5%,Medium,0.016022774188122292, https://leetcode.com/problems/coin-change
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.015272005981326173, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 76,Minimum Window Substring,34.6%,Hard,0.013966707481708198, https://leetcode.com/problems/minimum-window-substring
 179,Largest Number,28.8%,Medium,0.013865040137171665, https://leetcode.com/problems/largest-number
 56,Merge Intervals,39.3%,Medium,0.013819532422258866, https://leetcode.com/problems/merge-intervals
 523,Continuous Subarray Sum,24.6%,Medium,0.011816976504784561, https://leetcode.com/problems/continuous-subarray-sum
 55,Jump Game,34.6%,Medium,0.011265609194218986, https://leetcode.com/problems/jump-game
 148,Sort List,42.3%,Medium,0.011204599012863078, https://leetcode.com/problems/sort-list
 92,Reverse Linked List II,38.8%,Medium,0.010427623162259089, https://leetcode.com/problems/reverse-linked-list-ii
 212,Word Search II,34.9%,Hard,0.009845021678804893, https://leetcode.com/problems/word-search-ii
 113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.009531951009811851, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 46,Permutations,63.5%,Medium,0.009461803137288448, https://leetcode.com/problems/permutations
 295,Find Median from Data Stream,44.3%,Hard,0.00899893586856953, https://leetcode.com/problems/find-median-from-data-stream
 4,Median of Two Sorted Arrays,29.6%,Hard,0.008754068159914991, https://leetcode.com/problems/median-of-two-sorted-arrays
 139,Word Break,40.1%,Medium,0.008741314401573542, https://leetcode.com/problems/word-break
 977,Squares of a Sorted Array,72.1%,Easy,0.008733679968754604, https://leetcode.com/problems/squares-of-a-sorted-array
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.00846879565300311, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 394,Decode String,50.0%,Medium,0.008166644000272283, https://leetcode.com/problems/decode-string
 239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
 349,Intersection of Two Arrays,62.5%,Easy,0.00725034896230682, https://leetcode.com/problems/intersection-of-two-arrays
 10,Regular Expression Matching,26.8%,Hard,0.0071865203293987245, https://leetcode.com/problems/regular-expression-matching
 110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
 19,Remove Nth Node From End of List,35.2%,Medium,0.0069087555063702365, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.006896579059060353, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 88,Merge Sorted Array,39.4%,Easy,0.006760335218638243, https://leetcode.com/problems/merge-sorted-array
 2,Add Two Numbers,33.9%,Medium,0.006737434951993369, https://leetcode.com/problems/add-two-numbers
 200,Number of Islands,46.8%,Medium,0.006490251382779317, https://leetcode.com/problems/number-of-islands
 83,Remove Duplicates from Sorted List,45.4%,Easy,0.006353261522609498, https://leetcode.com/problems/remove-duplicates-from-sorted-list
 162,Find Peak Element,43.3%,Medium,0.006350235659345837, https://leetcode.com/problems/find-peak-element
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.005628268691614718, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 167,Two Sum II - Input array is sorted,54.1%,Easy,0.005507380022589096, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
 238,Product of Array Except Self,60.1%,Medium,0.003930436424724545, https://leetcode.com/problems/product-of-array-except-self
 198,House Robber,42.0%,Easy,0.0037576371128333645, https://leetcode.com/problems/house-robber
 94,Binary Tree Inorder Traversal,63.3%,Medium,0.0033551449021403577, https://leetcode.com/problems/binary-tree-inorder-traversal
 98,Validate Binary Search Tree,27.8%,Medium,0.002943776044013381, https://leetcode.com/problems/validate-binary-search-tree
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.002787846801433134, https://leetcode.com/problems/maximum-depth-of-binary-tree
 15,3Sum,26.8%,Medium,0.0021990113314367685, https://leetcode.com/problems/3sum
--- a/bytedance_6months.csv
+++ b/bytedance_6months.csv
@@ -0,0 +1,83 @@
 407,Trapping Rain Water II,42.4%,Hard,0.4353602275534239, https://leetcode.com/problems/trapping-rain-water-ii
 403,Frog Jump,39.7%,Hard,0.3149429241272629, https://leetcode.com/problems/frog-jump
 493,Reverse Pairs,25.2%,Hard,0.29808060746524384, https://leetcode.com/problems/reverse-pairs
 465,Optimal Account Balancing,46.9%,Hard,0.2724762777514157, https://leetcode.com/problems/optimal-account-balancing
 25,Reverse Nodes in k-Group,42.1%,Hard,0.15205897432525467, https://leetcode.com/problems/reverse-nodes-in-k-group
 726,Number of Atoms,49.0%,Hard,0.13804422079620546, https://leetcode.com/problems/number-of-atoms
 1172,Dinner Plate Stacks,38.2%,Hard,0.12963106265293975, https://leetcode.com/problems/dinner-plate-stacks
 777,Swap Adjacent in LR String,34.8%,Medium,0.11903069645453873, https://leetcode.com/problems/swap-adjacent-in-lr-string
 316,Remove Duplicate Letters,35.8%,Hard,0.1165801830326188, https://leetcode.com/problems/remove-duplicate-letters
 681,Next Closest Time,45.0%,Medium,0.11013564249600598, https://leetcode.com/problems/next-closest-time
 42,Trapping Rain Water,48.9%,Hard,0.10346205022559302, https://leetcode.com/problems/trapping-rain-water
 320,Generalized Abbreviation,52.1%,Medium,0.09352605801082346, https://leetcode.com/problems/generalized-abbreviation
 146,LRU Cache,33.2%,Medium,0.08926627755405464, https://leetcode.com/problems/lru-cache
 351,Android Unlock Patterns,48.4%,Medium,0.07197349962508924, https://leetcode.com/problems/android-unlock-patterns
 386,Lexicographical Numbers,51.6%,Medium,0.06875559541512997, https://leetcode.com/problems/lexicographical-numbers
 51,N-Queens,46.6%,Hard,0.06402185876493102, https://leetcode.com/problems/n-queens
 772,Basic Calculator III,41.3%,Hard,0.06331227941432688, https://leetcode.com/problems/basic-calculator-iii
 735,Asteroid Collision,41.0%,Medium,0.05479154882968245, https://leetcode.com/problems/asteroid-collision
 1339,Maximum Product of Splitted Binary Tree,37.2%,Medium,0.05064373281875492, https://leetcode.com/problems/maximum-product-of-splitted-binary-tree
 282,Expression Add Operators,35.5%,Hard,0.049982640867735496, https://leetcode.com/problems/expression-add-operators
 449,Serialize and Deserialize BST,52.0%,Medium,0.049844204077291364, https://leetcode.com/problems/serialize-and-deserialize-bst
 1283,Find the Smallest Divisor Given a Threshold,47.6%,Medium,0.047798823737776906, https://leetcode.com/problems/find-the-smallest-divisor-given-a-threshold
 1235,Maximum Profit in Job Scheduling,44.0%,Hard,0.040573516447166516, https://leetcode.com/problems/maximum-profit-in-job-scheduling
 402,Remove K Digits,28.4%,Medium,0.03755134565213245, https://leetcode.com/problems/remove-k-digits
 31,Next Permutation,32.6%,Medium,0.03686102113159897, https://leetcode.com/problems/next-permutation
 1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.03628515973976445, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
 974,Subarray Sums Divisible by K,48.9%,Medium,0.03367321510658789, https://leetcode.com/problems/subarray-sums-divisible-by-k
 207,Course Schedule,43.1%,Medium,0.030628389490117876, https://leetcode.com/problems/course-schedule
 44,Wildcard Matching,24.7%,Hard,0.030573033362282363, https://leetcode.com/problems/wildcard-matching
 240,Search a 2D Matrix II,43.2%,Medium,0.02999287612403949, https://leetcode.com/problems/search-a-2d-matrix-ii
 143,Reorder List,37.1%,Medium,0.025870945598649286, https://leetcode.com/problems/reorder-list
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.024228925974379843, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 215,Kth Largest Element in an Array,55.4%,Medium,0.02414409892936099, https://leetcode.com/problems/kth-largest-element-in-an-array
 199,Binary Tree Right Side View,54.1%,Medium,0.022539339846061532, https://leetcode.com/problems/binary-tree-right-side-view
 698,Partition to K Equal Sum Subsets,45.0%,Medium,0.02109782896463587, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
 543,Diameter of Binary Tree,48.4%,Easy,0.02105617995251665, https://leetcode.com/problems/diameter-of-binary-tree
 670,Maximum Swap,43.6%,Medium,0.020844944430365928, https://leetcode.com/problems/maximum-swap
 79,Word Search,35.6%,Medium,0.020204373427427723, https://leetcode.com/problems/word-search
 1143,Longest Common Subsequence,58.4%,Medium,0.019772173115579716, https://leetcode.com/problems/longest-common-subsequence
 173,Binary Search Tree Iterator,56.6%,Medium,0.01899993824490396, https://leetcode.com/problems/binary-search-tree-iterator
 347,Top K Frequent Elements,61.2%,Medium,0.018049036874660983, https://leetcode.com/problems/top-k-frequent-elements
 406,Queue Reconstruction by Height,66.9%,Medium,0.01774669468133533, https://leetcode.com/problems/queue-reconstruction-by-height
 78,Subsets,62.0%,Medium,0.014669741389982694, https://leetcode.com/problems/subsets
 222,Count Complete Tree Nodes,46.8%,Medium,0.014015646388344492, https://leetcode.com/problems/count-complete-tree-nodes
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.01391434345649413, https://leetcode.com/problems/longest-substring-without-repeating-characters
 179,Largest Number,28.8%,Medium,0.013865040137171665, https://leetcode.com/problems/largest-number
 56,Merge Intervals,39.3%,Medium,0.013819532422258866, https://leetcode.com/problems/merge-intervals
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.013400535537482126, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 33,Search in Rotated Sorted Array,34.5%,Medium,0.012857779194289386, https://leetcode.com/problems/search-in-rotated-sorted-array
 695,Max Area of Island,62.7%,Medium,0.012686500631003836, https://leetcode.com/problems/max-area-of-island
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.012403687139326226, https://leetcode.com/problems/binary-tree-maximum-path-sum
 350,Intersection of Two Arrays II,51.4%,Easy,0.01168540951877908, https://leetcode.com/problems/intersection-of-two-arrays-ii
 148,Sort List,42.3%,Medium,0.011204599012863078, https://leetcode.com/problems/sort-list
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.010575891759058162, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 92,Reverse Linked List II,38.8%,Medium,0.010427623162259089, https://leetcode.com/problems/reverse-linked-list-ii
 72,Edit Distance,44.8%,Hard,0.010017614452317782, https://leetcode.com/problems/edit-distance
 22,Generate Parentheses,62.7%,Medium,0.009785877810632554, https://leetcode.com/problems/generate-parentheses
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.009531951009811851, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 23,Merge k Sorted Lists,40.2%,Hard,0.009092808657599025, https://leetcode.com/problems/merge-k-sorted-lists
 322,Coin Change,35.5%,Medium,0.00904437880665999, https://leetcode.com/problems/coin-change
 139,Word Break,40.1%,Medium,0.008741314401573542, https://leetcode.com/problems/word-break
 977,Squares of a Sorted Array,72.1%,Easy,0.008733679968754604, https://leetcode.com/problems/squares-of-a-sorted-array
 209,Minimum Size Subarray Sum,38.2%,Medium,0.00841401682484616, https://leetcode.com/problems/minimum-size-subarray-sum
 415,Add Strings,47.5%,Easy,0.007587289812159497, https://leetcode.com/problems/add-strings
 349,Intersection of Two Arrays,62.5%,Easy,0.00725034896230682, https://leetcode.com/problems/intersection-of-two-arrays
 110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
 19,Remove Nth Node From End of List,35.2%,Medium,0.0069087555063702365, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.006816368572598042, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 41,First Missing Positive,32.0%,Hard,0.0064113058208121855, https://leetcode.com/problems/first-missing-positive
 162,Find Peak Element,43.3%,Medium,0.006350235659345837, https://leetcode.com/problems/find-peak-element
 76,Minimum Window Substring,34.6%,Hard,0.006231520398723243, https://leetcode.com/problems/minimum-window-substring
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.005628268691614718, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 152,Maximum Product Subarray,31.7%,Medium,0.005590510716885066, https://leetcode.com/problems/maximum-product-subarray
 206,Reverse Linked List,62.5%,Easy,0.005257021452801617, https://leetcode.com/problems/reverse-linked-list
 55,Jump Game,34.6%,Medium,0.005022612266291382, https://leetcode.com/problems/jump-game
 53,Maximum Subarray,46.5%,Easy,0.004869349014182134, https://leetcode.com/problems/maximum-subarray
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0047725193990346675, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 46,Permutations,63.5%,Medium,0.004216302230139218, https://leetcode.com/problems/permutations
 4,Median of Two Sorted Arrays,29.6%,Hard,0.003900160950094767, https://leetcode.com/problems/median-of-two-sorted-arrays
 1,Two Sum,45.6%,Easy,0.003278422738041615, https://leetcode.com/problems/two-sum
 88,Merge Sorted Array,39.4%,Easy,0.0030102370714243072, https://leetcode.com/problems/merge-sorted-array
 200,Number of Islands,46.8%,Medium,0.0028897578265903614, https://leetcode.com/problems/number-of-islands
 21,Merge Two Sorted Lists,53.5%,Easy,0.0022551737583973706, https://leetcode.com/problems/merge-two-sorted-lists
--- a/bytedance_alltime.csv
+++ b/bytedance_alltime.csv
@@ -0,0 +1,116 @@
 440,K-th Smallest in Lexicographical Order,29.1%,Hard,0.6255531303521535, https://leetcode.com/problems/k-th-smallest-in-lexicographical-order
 465,Optimal Account Balancing,46.9%,Hard,0.5742250229838192, https://leetcode.com/problems/optimal-account-balancing
 42,Trapping Rain Water,48.9%,Hard,0.5642428619989066, https://leetcode.com/problems/trapping-rain-water
 493,Reverse Pairs,25.2%,Hard,0.5129147546305722, https://leetcode.com/problems/reverse-pairs
 351,Android Unlock Patterns,48.4%,Medium,0.49324633098632165, https://leetcode.com/problems/android-unlock-patterns
 25,Reverse Nodes in k-Group,42.1%,Hard,0.48439786636995086, https://leetcode.com/problems/reverse-nodes-in-k-group
 146,LRU Cache,33.2%,Medium,0.4555489526464103, https://leetcode.com/problems/lru-cache
 407,Trapping Rain Water II,42.4%,Hard,0.4506714555662511, https://leetcode.com/problems/trapping-rain-water-ii
 726,Number of Atoms,49.0%,Hard,0.44449728439260305, https://leetcode.com/problems/number-of-atoms
 403,Frog Jump,39.7%,Hard,0.4059129982084613, https://leetcode.com/problems/frog-jump
 777,Swap Adjacent in LR String,34.8%,Medium,0.38864350930096464, https://leetcode.com/problems/swap-adjacent-in-lr-string
 470,Implement Rand10() Using Rand7(),46.3%,Medium,0.3541335285236038, https://leetcode.com/problems/implement-rand10-using-rand7
 1202,Smallest String With Swaps,46.5%,Medium,0.3224673282497418, https://leetcode.com/problems/smallest-string-with-swaps
 1262,Greatest Sum Divisible by Three,47.6%,Medium,0.32243762433832857, https://leetcode.com/problems/greatest-sum-divisible-by-three
 1172,Dinner Plate Stacks,38.2%,Hard,0.2711095169699942, https://leetcode.com/problems/dinner-plate-stacks
 1057,Campus Bikes,57.7%,Medium,0.2582475718767295, https://leetcode.com/problems/campus-bikes
 31,Next Permutation,32.6%,Medium,0.25803390004081306, https://leetcode.com/problems/next-permutation
 670,Maximum Swap,43.6%,Medium,0.22954743651352366, https://leetcode.com/problems/maximum-swap
 143,Reorder List,37.1%,Medium,0.21178045827645292, https://leetcode.com/problems/reorder-list
 33,Search in Rotated Sorted Array,34.5%,Medium,0.1881816310890415, https://leetcode.com/problems/search-in-rotated-sorted-array
 681,Next Closest Time,45.0%,Medium,0.18812615225992188, https://leetcode.com/problems/next-closest-time
 445,Add Two Numbers II,54.5%,Medium,0.1810800917058897, https://leetcode.com/problems/add-two-numbers-ii
 1283,Find the Smallest Divisor Given a Threshold,47.6%,Medium,0.17884755718277986, https://leetcode.com/problems/find-the-smallest-divisor-given-a-threshold
 1235,Maximum Profit in Job Scheduling,44.0%,Hard,0.1532629744871177, https://leetcode.com/problems/maximum-profit-in-job-scheduling
 695,Max Area of Island,62.7%,Medium,0.1453113999428855, https://leetcode.com/problems/max-area-of-island
 317,Shortest Distance from All Buildings,41.4%,Hard,0.14387423888417297, https://leetcode.com/problems/shortest-distance-from-all-buildings
 51,N-Queens,46.6%,Hard,0.13868338753395068, https://leetcode.com/problems/n-queens
 449,Serialize and Deserialize BST,52.0%,Medium,0.1327502812764459, https://leetcode.com/problems/serialize-and-deserialize-bst
 316,Remove Duplicate Letters,35.8%,Hard,0.1165801830326188, https://leetcode.com/problems/remove-duplicate-letters
 240,Search a 2D Matrix II,43.2%,Medium,0.1149245296604198, https://leetcode.com/problems/search-a-2d-matrix-ii
 329,Longest Increasing Path in a Matrix,43.4%,Hard,0.11459264165812869, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
 215,Kth Largest Element in an Array,55.4%,Medium,0.11179140598811674, https://leetcode.com/problems/kth-largest-element-in-an-array
 199,Binary Tree Right Side View,54.1%,Medium,0.10921403017749272, https://leetcode.com/problems/binary-tree-right-side-view
 856,Score of Parentheses,60.5%,Medium,0.09997219291013618, https://leetcode.com/problems/score-of-parentheses
 207,Course Schedule,43.1%,Medium,0.09601114875296962, https://leetcode.com/problems/course-schedule
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.0949810653845502, https://leetcode.com/problems/longest-substring-without-repeating-characters
 395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.09358079943969791, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
 320,Generalized Abbreviation,52.1%,Medium,0.09352605801082346, https://leetcode.com/problems/generalized-abbreviation
 282,Expression Add Operators,35.5%,Hard,0.08720118433574389, https://leetcode.com/problems/expression-add-operators
 206,Reverse Linked List,62.5%,Easy,0.08096580890872224, https://leetcode.com/problems/reverse-linked-list
 23,Merge k Sorted Lists,40.2%,Hard,0.07900382769570498, https://leetcode.com/problems/merge-k-sorted-lists
 54,Spiral Matrix,34.1%,Medium,0.07792846120043545, https://leetcode.com/problems/spiral-matrix
 236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.07288369759447264, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
 78,Subsets,62.0%,Medium,0.0721466627971786, https://leetcode.com/problems/subsets
 406,Queue Reconstruction by Height,66.9%,Medium,0.06917190648877243, https://leetcode.com/problems/queue-reconstruction-by-height
 386,Lexicographical Numbers,51.6%,Medium,0.06875559541512997, https://leetcode.com/problems/lexicographical-numbers
 56,Merge Intervals,39.3%,Medium,0.06807635025869622, https://leetcode.com/problems/merge-intervals
 148,Sort List,42.3%,Medium,0.06805346324501566, https://leetcode.com/problems/sort-list
 863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.06616716425077336, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
 71,Simplify Path,32.6%,Medium,0.06351340572232586, https://leetcode.com/problems/simplify-path
 772,Basic Calculator III,41.3%,Hard,0.06331227941432688, https://leetcode.com/problems/basic-calculator-iii
 72,Edit Distance,44.8%,Hard,0.061024299119344635, https://leetcode.com/problems/edit-distance
 4,Median of Two Sorted Arrays,29.6%,Hard,0.0606476084726819, https://leetcode.com/problems/median-of-two-sorted-arrays
 41,First Missing Positive,32.0%,Hard,0.056273635982108605, https://leetcode.com/problems/first-missing-positive
 1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.05613145611169511, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
 222,Count Complete Tree Nodes,46.8%,Medium,0.05492114472894792, https://leetcode.com/problems/count-complete-tree-nodes
 735,Asteroid Collision,41.0%,Medium,0.05479154882968245, https://leetcode.com/problems/asteroid-collision
 179,Largest Number,28.8%,Medium,0.0543427413161019, https://leetcode.com/problems/largest-number
 1339,Maximum Product of Splitted Binary Tree,37.2%,Medium,0.05064373281875492, https://leetcode.com/problems/maximum-product-of-splitted-binary-tree
 124,Binary Tree Maximum Path Sum,34.3%,Hard,0.048717521186547104, https://leetcode.com/problems/binary-tree-maximum-path-sum
 958,Check Completeness of a Binary Tree,52.1%,Medium,0.0483185772708077, https://leetcode.com/problems/check-completeness-of-a-binary-tree
 11,Container With Most Water,50.8%,Medium,0.047988816105494686, https://leetcode.com/problems/container-with-most-water
 543,Diameter of Binary Tree,48.4%,Easy,0.04676784186766119, https://leetcode.com/problems/diameter-of-binary-tree
 415,Add Strings,47.5%,Easy,0.04650270606183304, https://leetcode.com/problems/add-strings
 1,Two Sum,45.6%,Easy,0.04514397697084252, https://leetcode.com/problems/two-sum
 347,Top K Frequent Elements,61.2%,Medium,0.04399269847160566, https://leetcode.com/problems/top-k-frequent-elements
 160,Intersection of Two Linked Lists,40.6%,Easy,0.043270781043381126, https://leetcode.com/problems/intersection-of-two-linked-lists
 53,Maximum Subarray,46.5%,Easy,0.04299340685592046, https://leetcode.com/problems/maximum-subarray
 2,Add Two Numbers,33.9%,Medium,0.04138293231479875, https://leetcode.com/problems/add-two-numbers
 79,Word Search,35.6%,Medium,0.0408086655410548, https://leetcode.com/problems/word-search
 162,Find Peak Element,43.3%,Medium,0.039043060072524054, https://leetcode.com/problems/find-peak-element
 402,Remove K Digits,28.4%,Medium,0.03755134565213245, https://leetcode.com/problems/remove-k-digits
 322,Coin Change,35.5%,Medium,0.03569682997206547, https://leetcode.com/problems/coin-change
 21,Merge Two Sorted Lists,53.5%,Easy,0.03548634253021285, https://leetcode.com/problems/merge-two-sorted-lists
 974,Subarray Sums Divisible by K,48.9%,Medium,0.03367321510658789, https://leetcode.com/problems/subarray-sums-divisible-by-k
 209,Minimum Size Subarray Sum,38.2%,Medium,0.033239453928687726, https://leetcode.com/problems/minimum-size-subarray-sum
 44,Wildcard Matching,24.7%,Hard,0.030573033362282363, https://leetcode.com/problems/wildcard-matching
 103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.0269910535894593, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
 22,Generate Parentheses,62.7%,Medium,0.026949997964496694, https://leetcode.com/problems/generate-parentheses
 34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.026256496787488606, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
 76,Minimum Window Substring,34.6%,Hard,0.024696424154275233, https://leetcode.com/problems/minimum-window-substring
 286,Walls and Gates,54.5%,Medium,0.02324334737232728, https://leetcode.com/problems/walls-and-gates
 152,Maximum Product Subarray,31.7%,Medium,0.022176931045949227, https://leetcode.com/problems/maximum-product-subarray
 113,Path Sum II,46.7%,Medium,0.021882711249507664, https://leetcode.com/problems/path-sum-ii
 698,Partition to K Equal Sum Subsets,45.0%,Medium,0.02109782896463587, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
 350,Intersection of Two Arrays II,51.4%,Easy,0.020680587107206983, https://leetcode.com/problems/intersection-of-two-arrays-ii
 1143,Longest Common Subsequence,58.4%,Medium,0.019772173115579716, https://leetcode.com/problems/longest-common-subsequence
 173,Binary Search Tree Iterator,56.6%,Medium,0.01899993824490396, https://leetcode.com/problems/binary-search-tree-iterator
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.018954919107260947, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 394,Decode String,50.0%,Medium,0.0182820448374491, https://leetcode.com/problems/decode-string
 314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.018010392274465332, https://leetcode.com/problems/binary-tree-vertical-order-traversal
 239,Sliding Window Maximum,43.0%,Hard,0.01768566434627554, https://leetcode.com/problems/sliding-window-maximum
 46,Permutations,63.5%,Medium,0.016759583649075344, https://leetcode.com/problems/permutations
 110,Balanced Binary Tree,43.5%,Easy,0.015742847432510365, https://leetcode.com/problems/balanced-binary-tree
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.01261934861981589, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 19,Remove Nth Node From End of List,35.2%,Medium,0.012249425864399291, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 523,Continuous Subarray Sum,24.6%,Medium,0.011816976504784561, https://leetcode.com/problems/continuous-subarray-sum
 98,Validate Binary Search Tree,27.8%,Medium,0.01172346369605921, https://leetcode.com/problems/validate-binary-search-tree
 55,Jump Game,34.6%,Medium,0.011265609194218986, https://leetcode.com/problems/jump-game
 92,Reverse Linked List II,38.8%,Medium,0.010427623162259089, https://leetcode.com/problems/reverse-linked-list-ii
 212,Word Search II,34.9%,Hard,0.009845021678804893, https://leetcode.com/problems/word-search-ii
 295,Find Median from Data Stream,44.3%,Hard,0.00899893586856953, https://leetcode.com/problems/find-median-from-data-stream
 15,3Sum,26.8%,Medium,0.00876717944353383, https://leetcode.com/problems/3sum
 139,Word Break,40.1%,Medium,0.008741314401573542, https://leetcode.com/problems/word-break
 977,Squares of a Sorted Array,72.1%,Easy,0.008733679968754604, https://leetcode.com/problems/squares-of-a-sorted-array
 349,Intersection of Two Arrays,62.5%,Easy,0.00725034896230682, https://leetcode.com/problems/intersection-of-two-arrays
 10,Regular Expression Matching,26.8%,Hard,0.0071865203293987245, https://leetcode.com/problems/regular-expression-matching
 114,Flatten Binary Tree to Linked List,49.3%,Medium,0.006896579059060353, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
 88,Merge Sorted Array,39.4%,Easy,0.006760335218638243, https://leetcode.com/problems/merge-sorted-array
 200,Number of Islands,46.8%,Medium,0.006490251382779317, https://leetcode.com/problems/number-of-islands
 83,Remove Duplicates from Sorted List,45.4%,Easy,0.006353261522609498, https://leetcode.com/problems/remove-duplicates-from-sorted-list
 167,Two Sum II - Input array is sorted,54.1%,Easy,0.005507380022589096, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
 238,Product of Array Except Self,60.1%,Medium,0.003930436424724545, https://leetcode.com/problems/product-of-array-except-self
 198,House Robber,42.0%,Easy,0.0037576371128333645, https://leetcode.com/problems/house-robber
 94,Binary Tree Inorder Traversal,63.3%,Medium,0.0033551449021403577, https://leetcode.com/problems/binary-tree-inorder-traversal
 104,Maximum Depth of Binary Tree,66.0%,Easy,0.002787846801433134, https://leetcode.com/problems/maximum-depth-of-binary-tree
--- a/bytedancetoutiao_alltime.csv
+++ b/bytedancetoutiao_alltime.csv
@@ -0,0 +1 @@
 1140,Stone Game II,63.3%,Medium,0, https://leetcode.com/problems/stone-game-ii
--- a/c3-iot_alltime.csv
+++ b/c3-iot_alltime.csv
@@ -0,0 +1,2 @@
 930,Binary Subarrays With Sum,43.2%,Medium,0, https://leetcode.com/problems/binary-subarrays-with-sum
 976,Largest Perimeter Triangle,57.6%,Easy,0, https://leetcode.com/problems/largest-perimeter-triangle
--- a/c3ai_alltime.csv
+++ b/c3ai_alltime.csv
@@ -0,0 +1,2 @@
 1220,Count Vowels Permutation,54.0%,Hard,0.6794349186959634, https://leetcode.com/problems/count-vowels-permutation
 1419,Minimum Number of Frogs Croaking,46.3%,Medium,0, https://leetcode.com/problems/minimum-number-of-frogs-croaking
--- a/capital-one_1year.csv
+++ b/capital-one_1year.csv
@@ -0,0 +1,13 @@
 228,Summary Ranges,39.5%,Medium,1.2150060644991902, https://leetcode.com/problems/summary-ranges
 814,Binary Tree Pruning,74.5%,Medium,0.9358608280682522, https://leetcode.com/problems/binary-tree-pruning
 328,Odd Even Linked List,55.7%,Medium,0.6567155916373142, https://leetcode.com/problems/odd-even-linked-list
 290,Word Pattern,37.0%,Easy,0.5791869123738492, https://leetcode.com/problems/word-pattern
 322,Coin Change,35.5%,Medium,0.3391797675107801, https://leetcode.com/problems/coin-change
 138,Copy List with Random Pointer,36.4%,Medium,0.26566693881795644, https://leetcode.com/problems/copy-list-with-random-pointer
 1071,Greatest Common Divisor of Strings,52.9%,Easy,0.12182344519338843, https://leetcode.com/problems/greatest-common-divisor-of-strings
 204,Count Primes,31.5%,Easy,0.02799343042200216, https://leetcode.com/problems/count-primes
 412,Fizz Buzz,62.3%,Easy,0.016051709010507904, https://leetcode.com/problems/fizz-buzz
 53,Maximum Subarray,46.5%,Easy,0.004869349014182134, https://leetcode.com/problems/maximum-subarray
 66,Plus One,43.0%,Easy,0.00326211347832938, https://leetcode.com/problems/plus-one
 2,Add Two Numbers,33.9%,Medium,0.0016886191111440908, https://leetcode.com/problems/add-two-numbers
 203,Remove Linked List Elements,38.6%,Easy,0.0016237064659255223, https://leetcode.com/problems/remove-linked-list-elements
--- a/capital-one_2year.csv
+++ b/capital-one_2year.csv
@@ -0,0 +1,16 @@
 228,Summary Ranges,39.5%,Medium,1.7946310215245758, https://leetcode.com/problems/summary-ranges
 814,Binary Tree Pruning,74.5%,Medium,1.2701157688808176, https://leetcode.com/problems/binary-tree-pruning
 328,Odd Even Linked List,55.7%,Medium,1.0030015329709059, https://leetcode.com/problems/odd-even-linked-list
 290,Word Pattern,37.0%,Easy,0.9843050994030789, https://leetcode.com/problems/word-pattern
 138,Copy List with Random Pointer,36.4%,Medium,0.9130873453663271, https://leetcode.com/problems/copy-list-with-random-pointer
 322,Coin Change,35.5%,Medium,0.6463386978371466, https://leetcode.com/problems/coin-change
 1071,Greatest Common Divisor of Strings,52.9%,Easy,0.12182344519338843, https://leetcode.com/problems/greatest-common-divisor-of-strings
 204,Count Primes,31.5%,Easy,0.06191798620391749, https://leetcode.com/problems/count-primes
 412,Fizz Buzz,62.3%,Easy,0.04396698989626337, https://leetcode.com/problems/fizz-buzz
 53,Maximum Subarray,46.5%,Easy,0.019336728821707075, https://leetcode.com/problems/maximum-subarray
 273,Integer to English Words,27.1%,Hard,0.012081089250339716, https://leetcode.com/problems/integer-to-english-words
 2,Add Two Numbers,33.9%,Medium,0.006737434951993369, https://leetcode.com/problems/add-two-numbers
 203,Remove Linked List Elements,38.6%,Easy,0.0036496390875494257, https://leetcode.com/problems/remove-linked-list-elements
 66,Plus One,43.0%,Easy,0.00326211347832938, https://leetcode.com/problems/plus-one
 98,Validate Binary Search Tree,27.8%,Medium,0.002943776044013381, https://leetcode.com/problems/validate-binary-search-tree
 21,Merge Two Sorted Lists,53.5%,Easy,0.0022551737583973706, https://leetcode.com/problems/merge-two-sorted-lists
--- a/capital-one_6months.csv
+++ b/capital-one_6months.csv
@@ -0,0 +1,8 @@
 228,Summary Ranges,39.5%,Medium,0.16290155097997208, https://leetcode.com/problems/summary-ranges
 1071,Greatest Common Divisor of Strings,52.9%,Easy,0.12182344519338843, https://leetcode.com/problems/greatest-common-divisor-of-strings
 290,Word Pattern,37.0%,Easy,0.10980743793876432, https://leetcode.com/problems/word-pattern
 814,Binary Tree Pruning,74.5%,Medium,0.06872933215218067, https://leetcode.com/problems/binary-tree-pruning
 328,Odd Even Linked List,55.7%,Medium,0.04684258362761172, https://leetcode.com/problems/odd-even-linked-list
 204,Count Primes,31.5%,Easy,0.02799343042200216, https://leetcode.com/problems/count-primes
 138,Copy List with Random Pointer,36.4%,Medium,0.02453734514188008, https://leetcode.com/problems/copy-list-with-random-pointer
 66,Plus One,43.0%,Easy,0.00326211347832938, https://leetcode.com/problems/plus-one
--- a/capital-one_alltime.csv
+++ b/capital-one_alltime.csv
@@ -0,0 +1,17 @@
 228,Summary Ranges,39.5%,Medium,2.379243547602478, https://leetcode.com/problems/summary-ranges
 814,Binary Tree Pruning,74.5%,Medium,1.714403093040326, https://leetcode.com/problems/binary-tree-pruning
 328,Odd Even Linked List,55.7%,Medium,1.514446116622737, https://leetcode.com/problems/odd-even-linked-list
 138,Copy List with Random Pointer,36.4%,Medium,1.3877294433016032, https://leetcode.com/problems/copy-list-with-random-pointer
 290,Word Pattern,37.0%,Easy,1.3013067642290357, https://leetcode.com/problems/word-pattern
 2,Add Two Numbers,33.9%,Medium,1.2542105308123643, https://leetcode.com/problems/add-two-numbers
 322,Coin Change,35.5%,Medium,1.0832857985041888, https://leetcode.com/problems/coin-change
 412,Fizz Buzz,62.3%,Easy,0.41844534394203714, https://leetcode.com/problems/fizz-buzz
 1071,Greatest Common Divisor of Strings,52.9%,Easy,0.4175376893424336, https://leetcode.com/problems/greatest-common-divisor-of-strings
 273,Integer to English Words,27.1%,Hard,0.26532833604818473, https://leetcode.com/problems/integer-to-english-words
 204,Count Primes,31.5%,Easy,0.1633347782917643, https://leetcode.com/problems/count-primes
 98,Validate Binary Search Tree,27.8%,Medium,0.07111326337575957, https://leetcode.com/problems/validate-binary-search-tree
 53,Maximum Subarray,46.5%,Easy,0.052816160704876255, https://leetcode.com/problems/maximum-subarray
 21,Merge Two Sorted Lists,53.5%,Easy,0.014012111332134735, https://leetcode.com/problems/merge-two-sorted-lists
 66,Plus One,43.0%,Easy,0.007324847595025828, https://leetcode.com/problems/plus-one
 203,Remove Linked List Elements,38.6%,Easy,0.006479067005887776, https://leetcode.com/problems/remove-linked-list-elements
 1390,Four Divisors,38.1%,Medium,0, https://leetcode.com/problems/four-divisors
--- a/cisco_1year.csv
+++ b/cisco_1year.csv
@@ -0,0 +1,37 @@
 1290,Convert Binary Number in a Linked List to Integer,80.4%,Easy,0.15748072194904283, https://leetcode.com/problems/convert-binary-number-in-a-linked-list-to-integer
 394,Decode String,50.0%,Medium,0.1232801760013658, https://leetcode.com/problems/decode-string
 1235,Maximum Profit in Job Scheduling,44.0%,Hard,0.08907963005368878, https://leetcode.com/problems/maximum-profit-in-job-scheduling
 909,Snakes and Ladders,38.4%,Medium,0.08392620769993404, https://leetcode.com/problems/snakes-and-ladders
 198,House Robber,42.0%,Easy,0.07346911266426392, https://leetcode.com/problems/house-robber
 5,Longest Palindromic Substring,29.5%,Medium,0.05548042005986785, https://leetcode.com/problems/longest-palindromic-substring
 56,Merge Intervals,39.3%,Medium,0.054167920212564245, https://leetcode.com/problems/merge-intervals
 241,Different Ways to Add Parentheses,55.2%,Medium,0.03880215185647971, https://leetcode.com/problems/different-ways-to-add-parentheses
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.03818277748849004, https://leetcode.com/problems/longest-substring-without-repeating-characters
 905,Sort Array By Parity,74.1%,Easy,0.03787434929243582, https://leetcode.com/problems/sort-array-by-parity
 91,Decode Ways,24.7%,Medium,0.03673102791879485, https://leetcode.com/problems/decode-ways
 1,Two Sum,45.6%,Easy,0.03409719244428431, https://leetcode.com/problems/two-sum
 246,Strobogrammatic Number,45.0%,Easy,0.032549659510785, https://leetcode.com/problems/strobogrammatic-number
 53,Maximum Subarray,46.5%,Easy,0.02622855485962836, https://leetcode.com/problems/maximum-subarray
 25,Reverse Nodes in k-Group,42.1%,Hard,0.022832042042645793, https://leetcode.com/problems/reverse-nodes-in-k-group
 450,Delete Node in a BST,43.1%,Medium,0.018536211907915243, https://leetcode.com/problems/delete-node-in-a-bst
 146,LRU Cache,33.2%,Medium,0.01827577993873683, https://leetcode.com/problems/lru-cache
 191,Number of 1 Bits,49.8%,Easy,0.01673523624045844, https://leetcode.com/problems/number-of-1-bits
 48,Rotate Image,56.7%,Medium,0.011428695823622754, https://leetcode.com/problems/rotate-image
 234,Palindrome Linked List,39.3%,Easy,0.010171877938733932, https://leetcode.com/problems/palindrome-linked-list
 739,Daily Temperatures,63.3%,Medium,0.010032690121814417, https://leetcode.com/problems/daily-temperatures
 212,Word Search II,34.9%,Hard,0.009845021678804893, https://leetcode.com/problems/word-search-ii
 22,Generate Parentheses,62.7%,Medium,0.009785877810632554, https://leetcode.com/problems/generate-parentheses
 279,Perfect Squares,47.4%,Medium,0.009216655104924008, https://leetcode.com/problems/perfect-squares
 49,Group Anagrams,56.9%,Medium,0.008538951314232168, https://leetcode.com/problems/group-anagrams
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.008169238497129479, https://leetcode.com/problems/binary-tree-level-order-traversal
 14,Longest Common Prefix,35.4%,Easy,0.00745530292090591, https://leetcode.com/problems/longest-common-prefix
 88,Merge Sorted Array,39.4%,Easy,0.006760335218638243, https://leetcode.com/problems/merge-sorted-array
 54,Spiral Matrix,34.1%,Medium,0.0065941551175130245, https://leetcode.com/problems/spiral-matrix
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.005554027051374908, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 20,Valid Parentheses,39.0%,Easy,0.005168860577665306, https://leetcode.com/problems/valid-parentheses
 207,Course Schedule,43.1%,Medium,0.004964021114211758, https://leetcode.com/problems/course-schedule
 125,Valid Palindrome,36.7%,Easy,0.0039805008274065926, https://leetcode.com/problems/valid-palindrome
 8,String to Integer (atoi),15.4%,Medium,0.0037925521897059712, https://leetcode.com/problems/string-to-integer-atoi
 344,Reverse String,68.5%,Easy,0.003269579502519813, https://leetcode.com/problems/reverse-string
 21,Merge Two Sorted Lists,53.5%,Easy,0.0022551737583973706, https://leetcode.com/problems/merge-two-sorted-lists
 2,Add Two Numbers,33.9%,Medium,0.0016886191111440908, https://leetcode.com/problems/add-two-numbers
--- a/cisco_2year.csv
+++ b/cisco_2year.csv
@@ -0,0 +1,68 @@
 1290,Convert Binary Number in a Linked List to Integer,80.4%,Easy,0.1661053170661279, https://leetcode.com/problems/convert-binary-number-in-a-linked-list-to-integer
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.14469274653374686, https://leetcode.com/problems/longest-substring-without-repeating-characters
 394,Decode String,50.0%,Medium,0.1232801760013658, https://leetcode.com/problems/decode-string
 56,Merge Intervals,39.3%,Medium,0.11799561042069451, https://leetcode.com/problems/merge-intervals
 247,Strobogrammatic Number II,47.6%,Medium,0.1040197878075301, https://leetcode.com/problems/strobogrammatic-number-ii
 1235,Maximum Profit in Job Scheduling,44.0%,Hard,0.08907963005368878, https://leetcode.com/problems/maximum-profit-in-job-scheduling
 1,Two Sum,45.6%,Easy,0.08664530282302181, https://leetcode.com/problems/two-sum
 909,Snakes and Ladders,38.4%,Medium,0.08392620769993404, https://leetcode.com/problems/snakes-and-ladders
 198,House Robber,42.0%,Easy,0.07346911266426392, https://leetcode.com/problems/house-robber
 246,Strobogrammatic Number,45.0%,Easy,0.07180116605580686, https://leetcode.com/problems/strobogrammatic-number
 146,LRU Cache,33.2%,Medium,0.07118067822062889, https://leetcode.com/problems/lru-cache
 5,Longest Palindromic Substring,29.5%,Medium,0.0667502613531191, https://leetcode.com/problems/longest-palindromic-substring
 53,Maximum Subarray,46.5%,Easy,0.052816160704876255, https://leetcode.com/problems/maximum-subarray
 206,Reverse Linked List,62.5%,Easy,0.046346967254127305, https://leetcode.com/problems/reverse-linked-list
 48,Rotate Image,56.7%,Medium,0.04495138786226632, https://leetcode.com/problems/rotate-image
 25,Reverse Nodes in k-Group,42.1%,Hard,0.040236757867738004, https://leetcode.com/problems/reverse-nodes-in-k-group
 241,Different Ways to Add Parentheses,55.2%,Medium,0.03880215185647971, https://leetcode.com/problems/different-ways-to-add-parentheses
 905,Sort Array By Parity,74.1%,Easy,0.03787434929243582, https://leetcode.com/problems/sort-array-by-parity
 628,Maximum Product of Three Numbers,47.1%,Easy,0.03681397312271631, https://leetcode.com/problems/maximum-product-of-three-numbers
 91,Decode Ways,24.7%,Medium,0.03673102791879485, https://leetcode.com/problems/decode-ways
 20,Valid Parentheses,39.0%,Easy,0.03618871742239114, https://leetcode.com/problems/valid-parentheses
 468,Validate IP Address,24.1%,Medium,0.0344861760711693, https://leetcode.com/problems/validate-ip-address
 2,Add Two Numbers,33.9%,Medium,0.033650830145699084, https://leetcode.com/problems/add-two-numbers
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.03228400889291332, https://leetcode.com/problems/binary-tree-level-order-traversal
 88,Merge Sorted Array,39.4%,Easy,0.02677137871391415, https://leetcode.com/problems/merge-sorted-array
 54,Spiral Matrix,34.1%,Medium,0.02611966966892215, https://leetcode.com/problems/spiral-matrix
 143,Reorder List,37.1%,Medium,0.025870945598649286, https://leetcode.com/problems/reorder-list
 605,Can Place Flowers,31.6%,Easy,0.02457126073050533, https://leetcode.com/problems/can-place-flowers
 33,Search in Rotated Sorted Array,34.5%,Medium,0.0200182839715896, https://leetcode.com/problems/search-in-rotated-sorted-array
 450,Delete Node in a BST,43.1%,Medium,0.018536211907915243, https://leetcode.com/problems/delete-node-in-a-bst
 235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.018394142155974434, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
 253,Meeting Rooms II,45.7%,Medium,0.018087309810579388, https://leetcode.com/problems/meeting-rooms-ii
 200,Number of Islands,46.8%,Medium,0.017925481766054456, https://leetcode.com/problems/number-of-islands
 191,Number of 1 Bits,49.8%,Easy,0.01673523624045844, https://leetcode.com/problems/number-of-1-bits
 189,Rotate Array,34.7%,Easy,0.016022774188122292, https://leetcode.com/problems/rotate-array
 384,Shuffle an Array,52.8%,Medium,0.015250009609723824, https://leetcode.com/problems/shuffle-an-array
 8,String to Integer (atoi),15.4%,Medium,0.015084664273571906, https://leetcode.com/problems/string-to-integer-atoi
 21,Merge Two Sorted Lists,53.5%,Easy,0.014012111332134735, https://leetcode.com/problems/merge-two-sorted-lists
 144,Binary Tree Preorder Traversal,55.7%,Medium,0.013667638728663807, https://leetcode.com/problems/binary-tree-preorder-traversal
 344,Reverse String,68.5%,Easy,0.013014662307854044, https://leetcode.com/problems/reverse-string
 445,Add Two Numbers II,54.5%,Medium,0.01233061245747872, https://leetcode.com/problems/add-two-numbers-ii
 234,Palindrome Linked List,39.3%,Easy,0.010171877938733932, https://leetcode.com/problems/palindrome-linked-list
 739,Daily Temperatures,63.3%,Medium,0.010032690121814417, https://leetcode.com/problems/daily-temperatures
 212,Word Search II,34.9%,Hard,0.009845021678804893, https://leetcode.com/problems/word-search-ii
 22,Generate Parentheses,62.7%,Medium,0.009785877810632554, https://leetcode.com/problems/generate-parentheses
 279,Perfect Squares,47.4%,Medium,0.009216655104924008, https://leetcode.com/problems/perfect-squares
 125,Valid Palindrome,36.7%,Easy,0.008933948641551634, https://leetcode.com/problems/valid-palindrome
 49,Group Anagrams,56.9%,Medium,0.008538951314232168, https://leetcode.com/problems/group-anagrams
 173,Binary Search Tree Iterator,56.6%,Medium,0.008489015324911316, https://leetcode.com/problems/binary-search-tree-iterator
 876,Middle of the Linked List,68.4%,Easy,0.007624893975696915, https://leetcode.com/problems/middle-of-the-linked-list
 14,Longest Common Prefix,35.4%,Easy,0.00745530292090591, https://leetcode.com/problems/longest-common-prefix
 412,Fizz Buzz,62.3%,Easy,0.007165921026143679, https://leetcode.com/problems/fizz-buzz
 110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
 151,Reverse Words in a String,21.9%,Medium,0.0061359296669270605, https://leetcode.com/problems/reverse-words-in-a-string
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.005554027051374908, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 237,Delete Node in a Linked List,63.8%,Easy,0.005144705881237697, https://leetcode.com/problems/delete-node-in-a-linked-list
 207,Course Schedule,43.1%,Medium,0.004964021114211758, https://leetcode.com/problems/course-schedule
 160,Intersection of Two Linked Lists,40.6%,Easy,0.004901369939720486, https://leetcode.com/problems/intersection-of-two-linked-lists
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.0044018999217624675, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 46,Permutations,63.5%,Medium,0.004216302230139218, https://leetcode.com/problems/permutations
 7,Reverse Integer,25.8%,Easy,0.00418293972984512, https://leetcode.com/problems/reverse-integer
 242,Valid Anagram,56.9%,Easy,0.004154123743115972, https://leetcode.com/problems/valid-anagram
 23,Merge k Sorted Lists,40.2%,Hard,0.004051459000748015, https://leetcode.com/problems/merge-k-sorted-lists
 141,Linked List Cycle,41.1%,Easy,0.0034937584669245472, https://leetcode.com/problems/linked-list-cycle
 19,Remove Nth Node From End of List,35.2%,Medium,0.003076452203393495, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 15,3Sum,26.8%,Medium,0.0021990113314367685, https://leetcode.com/problems/3sum
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0021239321954525975, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0019513153174351963, https://leetcode.com/problems/remove-duplicates-from-sorted-array
--- a/cisco_6months.csv
+++ b/cisco_6months.csv
@@ -0,0 +1,25 @@
 1290,Convert Binary Number in a Linked List to Integer,80.4%,Easy,0.06956650156993308, https://leetcode.com/problems/convert-binary-number-in-a-linked-list-to-integer
 1235,Maximum Profit in Job Scheduling,44.0%,Hard,0.06732797308883445, https://leetcode.com/problems/maximum-profit-in-job-scheduling
 909,Snakes and Ladders,38.4%,Medium,0.06217455073507972, https://leetcode.com/problems/snakes-and-ladders
 394,Decode String,50.0%,Medium,0.04945278932693729, https://leetcode.com/problems/decode-string
 91,Decode Ways,24.7%,Medium,0.03673102791879485, https://leetcode.com/problems/decode-ways
 198,House Robber,42.0%,Easy,0.033320991026093004, https://leetcode.com/problems/house-robber
 246,Strobogrammatic Number,45.0%,Easy,0.032549659510785, https://leetcode.com/problems/strobogrammatic-number
 56,Merge Intervals,39.3%,Medium,0.02150990613527447, https://leetcode.com/problems/merge-intervals
 53,Maximum Subarray,46.5%,Easy,0.019336728821707075, https://leetcode.com/problems/maximum-subarray
 450,Delete Node in a BST,43.1%,Medium,0.018536211907915243, https://leetcode.com/problems/delete-node-in-a-bst
 191,Number of 1 Bits,49.8%,Easy,0.01673523624045844, https://leetcode.com/problems/number-of-1-bits
 5,Longest Palindromic Substring,29.5%,Medium,0.01416133329402493, https://leetcode.com/problems/longest-palindromic-substring
 48,Rotate Image,56.7%,Medium,0.011428695823622754, https://leetcode.com/problems/rotate-image
 739,Daily Temperatures,63.3%,Medium,0.010032690121814417, https://leetcode.com/problems/daily-temperatures
 212,Word Search II,34.9%,Hard,0.009845021678804893, https://leetcode.com/problems/word-search-ii
 905,Sort Array By Parity,74.1%,Easy,0.009603915354180344, https://leetcode.com/problems/sort-array-by-parity
 49,Group Anagrams,56.9%,Medium,0.008538951314232168, https://leetcode.com/problems/group-anagrams
 1,Two Sum,45.6%,Easy,0.0051178232035212715, https://leetcode.com/problems/two-sum
 207,Course Schedule,43.1%,Medium,0.004964021114211758, https://leetcode.com/problems/course-schedule
 234,Palindrome Linked List,39.3%,Easy,0.004533613114828982, https://leetcode.com/problems/palindrome-linked-list
 22,Generate Parentheses,62.7%,Medium,0.0043611059090124735, https://leetcode.com/problems/generate-parentheses
 8,String to Integer (atoi),15.4%,Medium,0.0037925521897059712, https://leetcode.com/problems/string-to-integer-atoi
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.003639014205004082, https://leetcode.com/problems/binary-tree-level-order-traversal
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.003496778759264278, https://leetcode.com/problems/longest-substring-without-repeating-characters
 20,Valid Parentheses,39.0%,Easy,0.0023005704055949323, https://leetcode.com/problems/valid-parentheses
--- a/cisco_alltime.csv
+++ b/cisco_alltime.csv
@@ -0,0 +1,68 @@
 206,Reverse Linked List,62.5%,Easy,0.5096020824537725, https://leetcode.com/problems/reverse-linked-list
 1,Two Sum,45.6%,Easy,0.47406700041221206, https://leetcode.com/problems/two-sum
 1235,Maximum Profit in Job Scheduling,44.0%,Hard,0.4102843945441133, https://leetcode.com/problems/maximum-profit-in-job-scheduling
 56,Merge Intervals,39.3%,Medium,0.3513205757185784, https://leetcode.com/problems/merge-intervals
 146,LRU Cache,33.2%,Medium,0.28753796985047964, https://leetcode.com/problems/lru-cache
 1290,Convert Binary Number in a Linked List to Integer,80.4%,Easy,0.27867750935869917, https://leetcode.com/problems/convert-binary-number-in-a-linked-list-to-integer
 2,Add Two Numbers,33.9%,Medium,0.23433638113782154, https://leetcode.com/problems/add-two-numbers
 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.23357430753991837, https://leetcode.com/problems/longest-substring-without-repeating-characters
 48,Rotate Image,56.7%,Medium,0.22339894653970727, https://leetcode.com/problems/rotate-image
 909,Snakes and Ladders,38.4%,Medium,0.2176811889223697, https://leetcode.com/problems/snakes-and-ladders
 344,Reverse String,68.5%,Easy,0.21237677460220186, https://leetcode.com/problems/reverse-string
 468,Validate IP Address,24.1%,Medium,0.19827548473619627, https://leetcode.com/problems/validate-ip-address
 246,Strobogrammatic Number,45.0%,Easy,0.187957697907993, https://leetcode.com/problems/strobogrammatic-number
 394,Decode String,50.0%,Medium,0.18648126820299707, https://leetcode.com/problems/decode-string
 5,Longest Palindromic Substring,29.5%,Medium,0.1696048381235884, https://leetcode.com/problems/longest-palindromic-substring
 235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.15450422411236212, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
 191,Number of 1 Bits,49.8%,Easy,0.1413992905633252, https://leetcode.com/problems/number-of-1-bits
 91,Decode Ways,24.7%,Medium,0.13946258598914826, https://leetcode.com/problems/decode-ways
 198,House Robber,42.0%,Easy,0.12709898426651453, https://leetcode.com/problems/house-robber
 25,Reverse Nodes in k-Group,42.1%,Hard,0.11843859582750475, https://leetcode.com/problems/reverse-nodes-in-k-group
 53,Maximum Subarray,46.5%,Easy,0.11514006965309906, https://leetcode.com/problems/maximum-subarray
 247,Strobogrammatic Number II,47.6%,Medium,0.1040197878075301, https://leetcode.com/problems/strobogrammatic-number-ii
 88,Merge Sorted Array,39.4%,Easy,0.10303644235421959, https://leetcode.com/problems/merge-sorted-array
 200,Number of Islands,46.8%,Medium,0.09910455319823885, https://leetcode.com/problems/number-of-islands
 20,Valid Parentheses,39.0%,Easy,0.09286263438126167, https://leetcode.com/problems/valid-parentheses
 141,Linked List Cycle,41.1%,Easy,0.08387846684791357, https://leetcode.com/problems/linked-list-cycle
 905,Sort Array By Parity,74.1%,Easy,0.08328510247304294, https://leetcode.com/problems/sort-array-by-parity
 143,Reorder List,37.1%,Medium,0.07027335591777661, https://leetcode.com/problems/reorder-list
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.06233349258151901, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 237,Delete Node in a Linked List,63.8%,Easy,0.06126915938306008, https://leetcode.com/problems/delete-node-in-a-linked-list
 160,Intersection of Two Linked Lists,40.6%,Easy,0.05844735064567987, https://leetcode.com/problems/intersection-of-two-linked-lists
 54,Spiral Matrix,34.1%,Medium,0.05783815482970009, https://leetcode.com/problems/spiral-matrix
 14,Longest Common Prefix,35.4%,Easy,0.051846064173015856, https://leetcode.com/problems/longest-common-prefix
 33,Search in Rotated Sorted Array,34.5%,Medium,0.05046797817178903, https://leetcode.com/problems/search-in-rotated-sorted-array
 23,Merge k Sorted Lists,40.2%,Hard,0.04853398505532907, https://leetcode.com/problems/merge-k-sorted-lists
 445,Add Two Numbers II,54.5%,Medium,0.04843561709959499, https://leetcode.com/problems/add-two-numbers-ii
 26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0476757427679509, https://leetcode.com/problems/remove-duplicates-from-sorted-array
 8,String to Integer (atoi),15.4%,Medium,0.04549614908874012, https://leetcode.com/problems/string-to-integer-atoi
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.04369064305418892, https://leetcode.com/problems/binary-tree-level-order-traversal
 241,Different Ways to Add Parentheses,55.2%,Medium,0.03880215185647971, https://leetcode.com/problems/different-ways-to-add-parentheses
 628,Maximum Product of Three Numbers,47.1%,Easy,0.03681397312271631, https://leetcode.com/problems/maximum-product-of-three-numbers
 242,Valid Anagram,56.9%,Easy,0.03678011874543614, https://leetcode.com/problems/valid-anagram
 189,Rotate Array,34.7%,Easy,0.03569682997206547, https://leetcode.com/problems/rotate-array
 21,Merge Two Sorted Lists,53.5%,Easy,0.03548634253021285, https://leetcode.com/problems/merge-two-sorted-lists
 108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.03421710570764629, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
 384,Shuffle an Array,52.8%,Medium,0.03399118781703353, https://leetcode.com/problems/shuffle-an-array
 253,Meeting Rooms II,45.7%,Medium,0.03193246767820989, https://leetcode.com/problems/meeting-rooms-ii
 17,Letter Combinations of a Phone Number,46.8%,Medium,0.027199239804368825, https://leetcode.com/problems/letter-combinations-of-a-phone-number
 125,Valid Palindrome,36.7%,Easy,0.02462208292471368, https://leetcode.com/problems/valid-palindrome
 605,Can Place Flowers,31.6%,Easy,0.02457126073050533, https://leetcode.com/problems/can-place-flowers
 151,Reverse Words in a String,21.9%,Medium,0.024321004216273485, https://leetcode.com/problems/reverse-words-in-a-string
 144,Binary Tree Preorder Traversal,55.7%,Medium,0.024170360927813044, https://leetcode.com/problems/binary-tree-preorder-traversal
 212,Word Search II,34.9%,Hard,0.02201654487096149, https://leetcode.com/problems/word-search-ii
 15,3Sum,26.8%,Medium,0.019619157889188592, https://leetcode.com/problems/3sum
 19,Remove Nth Node From End of List,35.2%,Medium,0.019074355670058666, https://leetcode.com/problems/remove-nth-node-from-end-of-list
 450,Delete Node in a BST,43.1%,Medium,0.018536211907915243, https://leetcode.com/problems/delete-node-in-a-bst
 234,Palindrome Linked List,39.3%,Easy,0.01801241989645556, https://leetcode.com/problems/palindrome-linked-list
 412,Fizz Buzz,62.3%,Easy,0.016051709010507904, https://leetcode.com/problems/fizz-buzz
 110,Balanced Binary Tree,43.5%,Easy,0.015742847432510365, https://leetcode.com/problems/balanced-binary-tree
 7,Reverse Integer,25.8%,Easy,0.011576347096986317, https://leetcode.com/problems/reverse-integer
 207,Course Schedule,43.1%,Medium,0.01113459480911671, https://leetcode.com/problems/course-schedule
 739,Daily Temperatures,63.3%,Medium,0.010032690121814417, https://leetcode.com/problems/daily-temperatures
 22,Generate Parentheses,62.7%,Medium,0.009785877810632554, https://leetcode.com/problems/generate-parentheses
 46,Permutations,63.5%,Medium,0.009461803137288448, https://leetcode.com/problems/permutations
 279,Perfect Squares,47.4%,Medium,0.009216655104924008, https://leetcode.com/problems/perfect-squares
 49,Group Anagrams,56.9%,Medium,0.008538951314232168, https://leetcode.com/problems/group-anagrams
 173,Binary Search Tree Iterator,56.6%,Medium,0.008489015324911316, https://leetcode.com/problems/binary-search-tree-iterator
 876,Middle of the Linked List,68.4%,Easy,0.007624893975696915, https://leetcode.com/problems/middle-of-the-linked-list
--- a/citadel_1year.csv
+++ b/citadel_1year.csv
@@ -0,0 +1,29 @@
 829,Consecutive Numbers Sum,37.5%,Hard,1.0192107113585394, https://leetcode.com/problems/consecutive-numbers-sum
 1048,Longest String Chain,54.7%,Medium,0.6021288528371614, https://leetcode.com/problems/longest-string-chain
 285,Inorder Successor in BST,40.4%,Medium,0.1850469943157836, https://leetcode.com/problems/inorder-successor-in-bst
 241,Different Ways to Add Parentheses,55.2%,Medium,0.14691814457724592, https://leetcode.com/problems/different-ways-to-add-parentheses
 647,Palindromic Substrings,60.6%,Medium,0.1205091763778271, https://leetcode.com/problems/palindromic-substrings
 935,Knight Dialer,45.2%,Medium,0.04445176257083384, https://leetcode.com/problems/knight-dialer
 32,Longest Valid Parentheses,28.4%,Hard,0.03595893038744387, https://leetcode.com/problems/longest-valid-parentheses
 332,Reconstruct Itinerary,36.7%,Medium,0.030687713231237448, https://leetcode.com/problems/reconstruct-itinerary
 20,Valid Parentheses,39.0%,Easy,0.02782373445001039, https://leetcode.com/problems/valid-parentheses
 42,Trapping Rain Water,48.9%,Hard,0.02688623073425064, https://leetcode.com/problems/trapping-rain-water
 221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
 239,Sliding Window Maximum,43.0%,Hard,0.01768566434627554, https://leetcode.com/problems/sliding-window-maximum
 240,Search a 2D Matrix II,43.2%,Medium,0.0169815401480941, https://leetcode.com/problems/search-a-2d-matrix-ii
 628,Maximum Product of Three Numbers,47.1%,Easy,0.016529301951210565, https://leetcode.com/problems/maximum-product-of-three-numbers
 225,Implement Stack using Queues,45.1%,Easy,0.01644097863345757, https://leetcode.com/problems/implement-stack-using-queues
 340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.016122880486563188, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
 85,Maximal Rectangle,37.7%,Hard,0.013333530869465187, https://leetcode.com/problems/maximal-rectangle
 232,Implement Queue using Stacks,49.6%,Easy,0.011242389348933884, https://leetcode.com/problems/implement-queue-using-stacks
 146,LRU Cache,33.2%,Medium,0.010321192540274932, https://leetcode.com/problems/lru-cache
 212,Word Search II,34.9%,Hard,0.009845021678804893, https://leetcode.com/problems/word-search-ii
 295,Find Median from Data Stream,44.3%,Hard,0.00899893586856953, https://leetcode.com/problems/find-median-from-data-stream
 253,Meeting Rooms II,45.7%,Medium,0.008079219870546493, https://leetcode.com/problems/meeting-rooms-ii
 297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.007077170374085099, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
 15,3Sum,26.8%,Medium,0.004940992758742591, https://leetcode.com/problems/3sum
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0047725193990346675, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 28,Implement strStr(),34.5%,Easy,0.003943222775040032, https://leetcode.com/problems/implement-strstr
 200,Number of Islands,46.8%,Medium,0.0028897578265903614, https://leetcode.com/problems/number-of-islands
 53,Maximum Subarray,46.5%,Easy,0.002167082872150794, https://leetcode.com/problems/maximum-subarray
 70,Climbing Stairs,47.8%,Easy,0.0015084665529624085, https://leetcode.com/problems/climbing-stairs
--- a/citadel_2year.csv
+++ b/citadel_2year.csv
@@ -0,0 +1,39 @@
 829,Consecutive Numbers Sum,37.5%,Hard,1.0192107113585394, https://leetcode.com/problems/consecutive-numbers-sum
 1048,Longest String Chain,54.7%,Medium,0.6021288528371614, https://leetcode.com/problems/longest-string-chain
 285,Inorder Successor in BST,40.4%,Medium,0.1850469943157836, https://leetcode.com/problems/inorder-successor-in-bst
 647,Palindromic Substrings,60.6%,Medium,0.154673282399905, https://leetcode.com/problems/palindromic-substrings
 241,Different Ways to Add Parentheses,55.2%,Medium,0.14691814457724592, https://leetcode.com/problems/different-ways-to-add-parentheses
 935,Knight Dialer,45.2%,Medium,0.09737416402517636, https://leetcode.com/problems/knight-dialer
 32,Longest Valid Parentheses,28.4%,Hard,0.07916219339634281, https://leetcode.com/problems/longest-valid-parentheses
 239,Sliding Window Maximum,43.0%,Hard,0.0483746857022364, https://leetcode.com/problems/sliding-window-maximum
 240,Search a 2D Matrix II,43.2%,Medium,0.04647676584572884, https://leetcode.com/problems/search-a-2d-matrix-ii
 20,Valid Parentheses,39.0%,Easy,0.045585204865984434, https://leetcode.com/problems/valid-parentheses
 221,Maximal Square,37.7%,Medium,0.03897229680620825, https://leetcode.com/problems/maximal-square
 42,Trapping Rain Water,48.9%,Hard,0.038490960607653675, https://leetcode.com/problems/trapping-rain-water
 332,Reconstruct Itinerary,36.7%,Medium,0.030687713231237448, https://leetcode.com/problems/reconstruct-itinerary
 622,Design Circular Queue,43.7%,Medium,0.02246023667974994, https://leetcode.com/problems/design-circular-queue
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.018954919107260947, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 628,Maximum Product of Three Numbers,47.1%,Easy,0.016529301951210565, https://leetcode.com/problems/maximum-product-of-three-numbers
 225,Implement Stack using Queues,45.1%,Easy,0.01644097863345757, https://leetcode.com/problems/implement-stack-using-queues
 340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.016122880486563188, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
 297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.01585377577217724, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
 724,Find Pivot Index,44.0%,Easy,0.013850636933899008, https://leetcode.com/problems/find-pivot-index
 85,Maximal Rectangle,37.7%,Hard,0.013333530869465187, https://leetcode.com/problems/maximal-rectangle
 200,Number of Islands,46.8%,Medium,0.011509262420590827, https://leetcode.com/problems/number-of-islands
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.011261380272539033, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 232,Implement Queue using Stacks,49.6%,Easy,0.011242389348933884, https://leetcode.com/problems/implement-queue-using-stacks
 146,LRU Cache,33.2%,Medium,0.010321192540274932, https://leetcode.com/problems/lru-cache
 212,Word Search II,34.9%,Hard,0.009845021678804893, https://leetcode.com/problems/word-search-ii
 295,Find Median from Data Stream,44.3%,Hard,0.00899893586856953, https://leetcode.com/problems/find-median-from-data-stream
 253,Meeting Rooms II,45.7%,Medium,0.008079219870546493, https://leetcode.com/problems/meeting-rooms-ii
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.007532046655581962, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 199,Binary Tree Right Side View,54.1%,Medium,0.0056826406650506926, https://leetcode.com/problems/binary-tree-right-side-view
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.005628268691614718, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 15,3Sum,26.8%,Medium,0.004940992758742591, https://leetcode.com/problems/3sum
 53,Maximum Subarray,46.5%,Easy,0.004869349014182134, https://leetcode.com/problems/maximum-subarray
 28,Implement strStr(),34.5%,Easy,0.003943222775040032, https://leetcode.com/problems/implement-strstr
 8,String to Integer (atoi),15.4%,Medium,0.0037925521897059712, https://leetcode.com/problems/string-to-integer-atoi
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.003639014205004082, https://leetcode.com/problems/binary-tree-level-order-traversal
 151,Reverse Words in a String,21.9%,Medium,0.0015375156780384337, https://leetcode.com/problems/reverse-words-in-a-string
 70,Climbing Stairs,47.8%,Easy,0.0015084665529624085, https://leetcode.com/problems/climbing-stairs
 1,Two Sum,45.6%,Easy,0.0008206138651873125, https://leetcode.com/problems/two-sum
--- a/citadel_6months.csv
+++ b/citadel_6months.csv
@@ -0,0 +1,15 @@
 829,Consecutive Numbers Sum,37.5%,Hard,0.28481507092935865, https://leetcode.com/problems/consecutive-numbers-sum
 285,Inorder Successor in BST,40.4%,Medium,0.1850469943157836, https://leetcode.com/problems/inorder-successor-in-bst
 241,Different Ways to Add Parentheses,55.2%,Medium,0.08527891770220855, https://leetcode.com/problems/different-ways-to-add-parentheses
 1048,Longest String Chain,54.7%,Medium,0.07529425330187599, https://leetcode.com/problems/longest-string-chain
 935,Knight Dialer,45.2%,Medium,0.04445176257083384, https://leetcode.com/problems/knight-dialer
 20,Valid Parentheses,39.0%,Easy,0.02782373445001039, https://leetcode.com/problems/valid-parentheses
 628,Maximum Product of Three Numbers,47.1%,Easy,0.016529301951210565, https://leetcode.com/problems/maximum-product-of-three-numbers
 85,Maximal Rectangle,37.7%,Hard,0.013333530869465187, https://leetcode.com/problems/maximal-rectangle
 232,Implement Queue using Stacks,49.6%,Easy,0.011242389348933884, https://leetcode.com/problems/implement-queue-using-stacks
 647,Palindromic Substrings,60.6%,Medium,0.010400509768078022, https://leetcode.com/problems/palindromic-substrings
 221,Maximal Square,37.7%,Medium,0.00988638798855515, https://leetcode.com/problems/maximal-square
 42,Trapping Rain Water,48.9%,Hard,0.009762524655659178, https://leetcode.com/problems/trapping-rain-water
 253,Meeting Rooms II,45.7%,Medium,0.008079219870546493, https://leetcode.com/problems/meeting-rooms-ii
 239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
 200,Number of Islands,46.8%,Medium,0.0028897578265903614, https://leetcode.com/problems/number-of-islands
--- a/citadel_alltime.csv
+++ b/citadel_alltime.csv
@@ -0,0 +1,41 @@
 829,Consecutive Numbers Sum,37.5%,Hard,1.7290600615878309, https://leetcode.com/problems/consecutive-numbers-sum
 1048,Longest String Chain,54.7%,Medium,1.016830261064837, https://leetcode.com/problems/longest-string-chain
 241,Different Ways to Add Parentheses,55.2%,Medium,0.304600460541843, https://leetcode.com/problems/different-ways-to-add-parentheses
 647,Palindromic Substrings,60.6%,Medium,0.19203205445944416, https://leetcode.com/problems/palindromic-substrings
 285,Inorder Successor in BST,40.4%,Medium,0.1850469943157836, https://leetcode.com/problems/inorder-successor-in-bst
 32,Longest Valid Parentheses,28.4%,Hard,0.13667290598927465, https://leetcode.com/problems/longest-valid-parentheses
 935,Knight Dialer,45.2%,Medium,0.09737416402517636, https://leetcode.com/problems/knight-dialer
 121,Best Time to Buy and Sell Stock,50.5%,Easy,0.08602309667191627, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
 42,Trapping Rain Water,48.9%,Hard,0.08461041545209161, https://leetcode.com/problems/trapping-rain-water
 122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.06582927042348097, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
 221,Maximal Square,37.7%,Medium,0.060244665945199054, https://leetcode.com/problems/maximal-square
 20,Valid Parentheses,39.0%,Easy,0.055983722381420686, https://leetcode.com/problems/valid-parentheses
 295,Find Median from Data Stream,44.3%,Hard,0.05495888428075748, https://leetcode.com/problems/find-median-from-data-stream
 622,Design Circular Queue,43.7%,Medium,0.049844204077291364, https://leetcode.com/problems/design-circular-queue
 239,Sliding Window Maximum,43.0%,Hard,0.0483746857022364, https://leetcode.com/problems/sliding-window-maximum
 240,Search a 2D Matrix II,43.2%,Medium,0.04647676584572884, https://leetcode.com/problems/search-a-2d-matrix-ii
 146,LRU Cache,33.2%,Medium,0.040660598211268925, https://leetcode.com/problems/lru-cache
 724,Find Pivot Index,44.0%,Easy,0.03089844155123413, https://leetcode.com/problems/find-pivot-index
 332,Reconstruct Itinerary,36.7%,Medium,0.030687713231237448, https://leetcode.com/problems/reconstruct-itinerary
 123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.02516207671950806, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
 199,Binary Tree Right Side View,54.1%,Medium,0.022539339846061532, https://leetcode.com/problems/binary-tree-right-side-view
 105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.022325470299025416, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
 628,Maximum Product of Three Numbers,47.1%,Easy,0.016529301951210565, https://leetcode.com/problems/maximum-product-of-three-numbers
 1,Two Sum,45.6%,Easy,0.016487580637467636, https://leetcode.com/problems/two-sum
 225,Implement Stack using Queues,45.1%,Easy,0.01644097863345757, https://leetcode.com/problems/implement-stack-using-queues
 340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.016122880486563188, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
 297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.01585377577217724, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
 15,3Sum,26.8%,Medium,0.013665148419080968, https://leetcode.com/problems/3sum
 53,Maximum Subarray,46.5%,Easy,0.013467854269413949, https://leetcode.com/problems/maximum-subarray
 85,Maximal Rectangle,37.7%,Hard,0.013333530869465187, https://leetcode.com/problems/maximal-rectangle
 200,Number of Islands,46.8%,Medium,0.011509262420590827, https://leetcode.com/problems/number-of-islands
 232,Implement Queue using Stacks,49.6%,Easy,0.011242389348933884, https://leetcode.com/problems/implement-queue-using-stacks
 212,Word Search II,34.9%,Hard,0.009845021678804893, https://leetcode.com/problems/word-search-ii
 70,Climbing Stairs,47.8%,Easy,0.009390798483527519, https://leetcode.com/problems/climbing-stairs
 28,Implement strStr(),34.5%,Easy,0.008850485542574548, https://leetcode.com/problems/implement-strstr
 253,Meeting Rooms II,45.7%,Medium,0.008079219870546493, https://leetcode.com/problems/meeting-rooms-ii
 151,Reverse Words in a String,21.9%,Medium,0.0061359296669270605, https://leetcode.com/problems/reverse-words-in-a-string
 8,String to Integer (atoi),15.4%,Medium,0.0037925521897059712, https://leetcode.com/problems/string-to-integer-atoi
 102,Binary Tree Level Order Traversal,54.6%,Medium,0.003639014205004082, https://leetcode.com/problems/binary-tree-level-order-traversal
 718,Maximum Length of Repeated Subarray,49.4%,Medium,0, https://leetcode.com/problems/maximum-length-of-repeated-subarray
 1515,Best Position for a Service Centre,35.9%,Hard,0, https://leetcode.com/problems/best-position-for-a-service-centre
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							`1234,Replace the Substring for Balanced String,33.2%,Medium,0, https://leetcode.com/problems/replace-the-substring-for-balanced-string`
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							`2,Add Two Numbers,33.9%,Medium,0.001641227730374625, https://leetcode.com/problems/add-two-numbers`
							`1,Two Sum,45.6%,Easy,0.0008206138651873125, https://leetcode.com/problems/two-sum`
		`@@ -0,0 +1 @@`
							`1106,Parsing A Boolean Expression,58.5%,Hard,0, https://leetcode.com/problems/parsing-a-boolean-expression`
		`@@ -0,0 +1,2 @@`
							`381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.01868299433822582, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed`
							`380,Insert Delete GetRandom O(1),47.5%,Medium,0.00934149716911291, https://leetcode.com/problems/insert-delete-getrandom-o1`
		`@@ -0,0 +1,2 @@`
							`864,Shortest Path to Get All Keys,40.1%,Hard,0.13271866487392153, https://leetcode.com/problems/shortest-path-to-get-all-keys`
							`251,Flatten 2D Vector,45.7%,Medium,0.06635933243696077, https://leetcode.com/problems/flatten-2d-vector`
		`@@ -0,0 +1 @@`
							`1310,XOR Queries of a Subarray,68.7%,Medium,0, https://leetcode.com/problems/xor-queries-of-a-subarray`
		`@@ -0,0 +1 @@`
							`961,N-Repeated Element in Size 2N Array,73.7%,Easy,0, https://leetcode.com/problems/n-repeated-element-in-size-2n-array`
		`@@ -0,0 +1,2 @@`
							`1411,Number of Ways to Paint N × 3 Grid,61.1%,Hard,0.20425899015275967, https://leetcode.com/problems/number-of-ways-to-paint-n-3-grid`
							`1223,Dice Roll Simulation,45.6%,Medium,0.10212949507637983, https://leetcode.com/problems/dice-roll-simulation`
		`@@ -0,0 +1 @@`
							`995,Minimum Number of K Consecutive Bit Flips,46.8%,Hard,0, https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips`
		`@@ -0,0 +1 @@`
							`3,Longest Substring Without Repeating Characters,30.4%,Medium,0.003496778759264278, https://leetcode.com/problems/longest-substring-without-repeating-characters`