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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
1 1 Two Sum 45.6% Easy 2.4883960324530268 https://leetcode.com/problems/two-sum
2 2 Add Two Numbers 33.9% Medium 2.269636101391722 https://leetcode.com/problems/add-two-numbers
3 4 Median of Two Sorted Arrays 29.6% Hard 2.050876170330417 https://leetcode.com/problems/median-of-two-sorted-arrays
4 741 Cherry Pickup 33.9% Hard 1.8321162392691122 https://leetcode.com/problems/cherry-pickup
5 3 Longest Substring Without Repeating Characters 30.4% Medium 1.8014105894541743 https://leetcode.com/problems/longest-substring-without-repeating-characters
6 7 Reverse Integer 25.8% Easy 1.73297236373911 https://leetcode.com/problems/reverse-integer
7 175 Combine Two Tables 60.8% Easy 1.6956988952705778 https://leetcode.com/problems/combine-two-tables
8 21 Merge Two Sorted Lists 53.5% Easy 1.5676206155174264 https://leetcode.com/problems/merge-two-sorted-lists
9 5 Longest Palindromic Substring 29.5% Medium 1.5174071915824883 https://leetcode.com/problems/longest-palindromic-substring
10 15 3Sum 26.8% Medium 1.4894785973551214 https://leetcode.com/problems/3sum
11 13 Roman to Integer 55.7% Easy 1.4339144225059055 https://leetcode.com/problems/roman-to-integer
12 6 ZigZag Conversion 36.3% Medium 1.2151544914446004 https://leetcode.com/problems/zigzag-conversion
13 195 Tenth Line 33.0% Easy 1.1862816902916034 https://leetcode.com/problems/tenth-line
14 53 Maximum Subarray 46.5% Easy 1.1698468033916782 https://leetcode.com/problems/maximum-subarray
15 192 Word Frequency 25.8% Medium 1.1542304443345712 https://leetcode.com/problems/word-frequency
16 11 Container With Most Water 50.8% Medium 1.1498172467169137 https://leetcode.com/problems/container-with-most-water
17 146 LRU Cache 33.2% Medium 1.1414840541705635 https://leetcode.com/problems/lru-cache
18 14 Longest Common Prefix 35.4% Easy 1.0701063949652634 https://leetcode.com/problems/longest-common-prefix
19 9 Palindrome Number 48.4% Easy 1.0389585830023096 https://leetcode.com/problems/palindrome-number
20 292 Nim Game 54.9% Easy 1.0340435601569165 https://leetcode.com/problems/nim-game
21 206 Reverse Linked List 62.5% Easy 0.9491844552172142 https://leetcode.com/problems/reverse-linked-list
22 22 Generate Parentheses 62.7% Medium 0.9146285119909732 https://leetcode.com/problems/generate-parentheses
23 312 Burst Balloons 51.8% Hard 0.8978937096587362 https://leetcode.com/problems/burst-balloons
24 771 Jewels and Stones 86.4% Easy 0.8045122974235372 https://leetcode.com/problems/jewels-and-stones
25 18 4Sum 33.7% Medium 0.7870176048739561 https://leetcode.com/problems/4sum
26 344 Reverse String 68.5% Easy 0.7803563983565922 https://leetcode.com/problems/reverse-string
27 20 Valid Parentheses 39.0% Easy 0.7728842221115333 https://leetcode.com/problems/valid-parentheses
28 23 Merge k Sorted Lists 40.2% Hard 0.744432863023671 https://leetcode.com/problems/merge-k-sorted-lists
29 42 Trapping Rain Water 48.9% Hard 0.7166320474707057 https://leetcode.com/problems/trapping-rain-water
30 274 H-Index 36.1% Medium 0.7105315488308892 https://leetcode.com/problems/h-index
31 595 Big Countries 77.3% Easy 0.6960898016141428 https://leetcode.com/problems/big-countries
32 76 Minimum Window Substring 34.6% Hard 0.641927908156958 https://leetcode.com/problems/minimum-window-substring
33 10 Regular Expression Matching 26.8% Hard 0.6273817982285409 https://leetcode.com/problems/regular-expression-matching
34 386 Lexicographical Numbers 51.6% Medium 0.626946543403964 https://leetcode.com/problems/lexicographical-numbers
35 214 Shortest Palindrome 29.8% Hard 0.6257058997644127 https://leetcode.com/problems/shortest-palindrome
36 561 Array Partition I 72.0% Easy 0.6209795294618357 https://leetcode.com/problems/array-partition-i
37 12 Integer to Roman 55.1% Medium 0.618907369249803 https://leetcode.com/problems/integer-to-roman
38 88 Merge Sorted Array 39.4% Easy 0.5992604670982806 https://leetcode.com/problems/merge-sorted-array
39 177 Nth Highest Salary 31.4% Medium 0.5957174923400869 https://leetcode.com/problems/nth-highest-salary
40 8 String to Integer (atoi) 15.4% Medium 0.5871742950115802 https://leetcode.com/problems/string-to-integer-atoi
41 46 Permutations 63.5% Medium 0.5710040142718329 https://leetcode.com/problems/permutations
42 201 Bitwise AND of Numbers Range 39.4% Medium 0.5616591289700842 https://leetcode.com/problems/bitwise-and-of-numbers-range
43 176 Second Highest Salary 31.6% Easy 0.5550999082992657 https://leetcode.com/problems/second-highest-salary
44 54 Spiral Matrix 34.1% Medium 0.5477790799646545 https://leetcode.com/problems/spiral-matrix
45 238 Product of Array Except Self 60.1% Medium 0.5410045911404007 https://leetcode.com/problems/product-of-array-except-self
46 315 Count of Smaller Numbers After Self 41.5% Hard 0.5355270510063105 https://leetcode.com/problems/count-of-smaller-numbers-after-self
47 85 Maximal Rectangle 37.7% Hard 0.505442030682518 https://leetcode.com/problems/maximal-rectangle
48 41 First Missing Positive 32.0% Hard 0.4966396105083198 https://leetcode.com/problems/first-missing-positive
49 38 Count and Say 44.6% Easy 0.4926620533465078 https://leetcode.com/problems/count-and-say
50 322 Coin Change 35.5% Medium 0.48915086353512044 https://leetcode.com/problems/coin-change
51 237 Delete Node in a Linked List 63.8% Easy 0.4849621131760714 https://leetcode.com/problems/delete-node-in-a-linked-list
52 121 Best Time to Buy and Sell Stock 50.5% Easy 0.47900593564253346 https://leetcode.com/problems/best-time-to-buy-and-sell-stock
53 32 Longest Valid Parentheses 28.4% Hard 0.4610968040943131 https://leetcode.com/problems/longest-valid-parentheses
54 420 Strong Password Checker 14.0% Hard 0.4491177382659011 https://leetcode.com/problems/strong-password-checker
55 136 Single Number 65.5% Easy 0.44677265180412157 https://leetcode.com/problems/single-number
56 148 Sort List 42.3% Medium 0.4396170196774987 https://leetcode.com/problems/sort-list
57 82 Remove Duplicates from Sorted List II 36.8% Medium 0.4392651170596573 https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
58 16 3Sum Closest 46.0% Medium 0.43554023176972845 https://leetcode.com/problems/3sum-closest
59 45 Jump Game II 30.6% Hard 0.4315020818911597 https://leetcode.com/problems/jump-game-ii
60 535 Encode and Decode TinyURL 79.9% Medium 0.4221173972425086 https://leetcode.com/problems/encode-and-decode-tinyurl
61 96 Unique Binary Search Trees 52.9% Medium 0.42021191912831435 https://leetcode.com/problems/unique-binary-search-trees
62 92 Reverse Linked List II 38.8% Medium 0.414508648004485 https://leetcode.com/problems/reverse-linked-list-ii
63 30 Substring with Concatenation of All Words 25.4% Hard 0.41194709630297865 https://leetcode.com/problems/substring-with-concatenation-of-all-words
64 33 Search in Rotated Sorted Array 34.5% Medium 0.40912496149364885 https://leetcode.com/problems/search-in-rotated-sorted-array
65 64 Minimum Path Sum 54.5% Medium 0.4040299464061684 https://leetcode.com/problems/minimum-path-sum
66 279 Perfect Squares 47.4% Medium 0.3741145782240884 https://leetcode.com/problems/perfect-squares
67 24 Swap Nodes in Pairs 50.4% Medium 0.3722036149739704 https://leetcode.com/problems/swap-nodes-in-pairs
68 343 Integer Break 50.4% Medium 0.3649680588757168 https://leetcode.com/problems/integer-break
69 31 Next Permutation 32.6% Medium 0.3605125693237505 https://leetcode.com/problems/next-permutation
70 131 Palindrome Partitioning 47.5% Medium 0.35313350367645147 https://leetcode.com/problems/palindrome-partitioning
71 141 Linked List Cycle 41.1% Easy 0.3531074716115724 https://leetcode.com/problems/linked-list-cycle
72 200 Number of Islands 46.8% Medium 0.348349251262677 https://leetcode.com/problems/number-of-islands
73 71 Simplify Path 32.6% Medium 0.3434734320801965 https://leetcode.com/problems/simplify-path
74 138 Copy List with Random Pointer 36.4% Medium 0.33465187471019453 https://leetcode.com/problems/copy-list-with-random-pointer
75 74 Search a 2D Matrix 36.5% Medium 0.3339887638543654 https://leetcode.com/problems/search-a-2d-matrix
76 155 Min Stack 44.5% Easy 0.32611635610879774 https://leetcode.com/problems/min-stack
77 26 Remove Duplicates from Sorted Array 45.1% Easy 0.32413298661344175 https://leetcode.com/problems/remove-duplicates-from-sorted-array
78 169 Majority Element 58.7% Easy 0.32361893795459934 https://leetcode.com/problems/majority-element
79 37 Sudoku Solver 43.6% Hard 0.31644637012330246 https://leetcode.com/problems/sudoku-solver
80 48 Rotate Image 56.7% Medium 0.31414864563994416 https://leetcode.com/problems/rotate-image
81 152 Maximum Product Subarray 31.7% Medium 0.3065980377658154 https://leetcode.com/problems/maximum-product-subarray
82 706 Design HashMap 61.3% Easy 0.30607943759149703 https://leetcode.com/problems/design-hashmap
83 378 Kth Smallest Element in a Sorted Matrix 54.3% Medium 0.303069224638031 https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
84 115 Distinct Subsequences 38.3% Hard 0.29662714656570494 https://leetcode.com/problems/distinct-subsequences
85 44 Wildcard Matching 24.7% Hard 0.29635426006094184 https://leetcode.com/problems/wildcard-matching
86 198 House Robber 42.0% Easy 0.29249400591952035 https://leetcode.com/problems/house-robber
87 329 Longest Increasing Path in a Matrix 43.4% Hard 0.29062882263712253 https://leetcode.com/problems/longest-increasing-path-in-a-matrix
88 78 Subsets 62.0% Medium 0.28775134131891633 https://leetcode.com/problems/subsets
89 234 Palindrome Linked List 39.3% Easy 0.2838977996794123 https://leetcode.com/problems/palindrome-linked-list
90 139 Word Break 40.1% Medium 0.2746475346554156 https://leetcode.com/problems/word-break
91 25 Reverse Nodes in k-Group 42.1% Hard 0.2704051213089347 https://leetcode.com/problems/reverse-nodes-in-k-group
92 929 Unique Email Addresses 67.4% Easy 0.26920579628420777 https://leetcode.com/problems/unique-email-addresses
93 204 Count Primes 31.5% Easy 0.2622550703201888 https://leetcode.com/problems/count-primes
94 543 Diameter of Binary Tree 48.4% Easy 0.26178095627491565 https://leetcode.com/problems/diameter-of-binary-tree
95 197 Rising Temperature 38.4% Easy 0.2576203889657197 https://leetcode.com/problems/rising-temperature
96 448 Find All Numbers Disappeared in an Array 55.9% Easy 0.2554000407912253 https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
97 446 Arithmetic Slices II - Subsequence 32.7% Hard 0.25416851512733507 https://leetcode.com/problems/arithmetic-slices-ii-subsequence
98 101 Symmetric Tree 46.8% Easy 0.24399082697231922 https://leetcode.com/problems/symmetric-tree
99 70 Climbing Stairs 47.8% Easy 0.24304459408434126 https://leetcode.com/problems/climbing-stairs
100 389 Find the Difference 55.3% Easy 0.2421400520048648 https://leetcode.com/problems/find-the-difference
101 1096 Brace Expansion II 62.2% Hard 0.2363887780642304 https://leetcode.com/problems/brace-expansion-ii
102 51 N-Queens 46.6% Hard 0.2346473757956944 https://leetcode.com/problems/n-queens
103 137 Single Number II 52.4% Medium 0.22735779159844866 https://leetcode.com/problems/single-number-ii
104 56 Merge Intervals 39.3% Medium 0.22422141863227835 https://leetcode.com/problems/merge-intervals
105 19 Remove Nth Node From End of List 35.2% Medium 0.22280456303687612 https://leetcode.com/problems/remove-nth-node-from-end-of-list
106 49 Group Anagrams 56.9% Medium 0.21827224887849583 https://leetcode.com/problems/group-anagrams
107 795 Number of Subarrays with Bounded Maximum 46.3% Medium 0.2171959803892134 https://leetcode.com/problems/number-of-subarrays-with-bounded-maximum
108 268 Missing Number 51.7% Easy 0.2148904095574893 https://leetcode.com/problems/missing-number
109 105 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
110 81 Search in Rotated Sorted Array II 33.0% Medium 0.21357410029805904 https://leetcode.com/problems/search-in-rotated-sorted-array-ii
111 142 Linked List Cycle II 37.3% Medium 0.21278213647158528 https://leetcode.com/problems/linked-list-cycle-ii
112 143 Reorder List 37.1% Medium 0.21178045827645292 https://leetcode.com/problems/reorder-list
113 229 Majority Element II 35.6% Medium 0.21162970925187066 https://leetcode.com/problems/majority-element-ii
114 124 Binary Tree Maximum Path Sum 34.3% Hard 0.21055599204217199 https://leetcode.com/problems/binary-tree-maximum-path-sum
115 236 Lowest Common Ancestor of a Binary Tree 45.7% Medium 0.2082667520997665 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
116 240 Search a 2D Matrix II 43.2% Medium 0.20722300789490636 https://leetcode.com/problems/search-a-2d-matrix-ii
117 128 Longest Consecutive Sequence 45.1% Hard 0.20483650886956722 https://leetcode.com/problems/longest-consecutive-sequence
118 220 Contains Duplicate III 20.9% Medium 0.20432784239539936 https://leetcode.com/problems/contains-duplicate-iii
119 202 Happy Number 50.4% Easy 0.2040083108839691 https://leetcode.com/problems/happy-number
120 728 Self Dividing Numbers 74.3% Easy 0.20271151249700387 https://leetcode.com/problems/self-dividing-numbers
121 395 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
122 836 Rectangle Overlap 48.6% Easy 0.19944370144318244 https://leetcode.com/problems/rectangle-overlap
123 65 Valid Number 15.3% Hard 0.18904265746703205 https://leetcode.com/problems/valid-number
124 178 Rank Scores 45.8% Medium 0.18843907402659216 https://leetcode.com/problems/rank-scores
125 219 Contains Duplicate II 37.7% Easy 0.18696862869341266 https://leetcode.com/problems/contains-duplicate-ii
126 29 Divide Two Integers 16.4% Medium 0.18695459519599733 https://leetcode.com/problems/divide-two-integers
127 199 Binary Tree Right Side View 54.1% Medium 0.18661020557359304 https://leetcode.com/problems/binary-tree-right-side-view
128 739 Daily Temperatures 63.3% Medium 0.1858025928756317 https://leetcode.com/problems/daily-temperatures
129 72 Edit Distance 44.8% Hard 0.18554648786569794 https://leetcode.com/problems/edit-distance
130 181 Employees Earning More Than Their Managers 56.9% Easy 0.18496356625679328 https://leetcode.com/problems/employees-earning-more-than-their-managers
131 61 Rotate List 30.0% Medium 0.18398268674403112 https://leetcode.com/problems/rotate-list
132 50 Pow(x n) 30.3% Medium 0.18397417464169494 https://leetcode.com/problems/powx-n
133 221 Maximal Square 37.7% Medium 0.1833146055349465 https://leetcode.com/problems/maximal-square
134 239 Sliding Window Maximum 43.0% Hard 0.18086662630782 https://leetcode.com/problems/sliding-window-maximum
135 112 Path Sum 41.2% Easy 0.18019396942949986 https://leetcode.com/problems/path-sum
136 368 Largest Divisible Subset 38.0% Medium 0.17613915688563714 https://leetcode.com/problems/largest-divisible-subset
137 415 Add Strings 47.5% Easy 0.17429245611868044 https://leetcode.com/problems/add-strings
138 300 Longest Increasing Subsequence 42.6% Medium 0.17397326740248337 https://leetcode.com/problems/longest-increasing-subsequence
139 122 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
140 725 Split Linked List in Parts 52.2% Medium 0.17265583404226165 https://leetcode.com/problems/split-linked-list-in-parts
141 856 Score of Parentheses 60.5% Medium 0.17135825199668508 https://leetcode.com/problems/score-of-parentheses
142 560 Subarray Sum Equals K 43.9% Medium 0.1665261146132014 https://leetcode.com/problems/subarray-sum-equals-k
143 91 Decode Ways 24.7% Medium 0.1664322442258041 https://leetcode.com/problems/decode-ways
144 412 Fizz Buzz 62.3% Easy 0.16533767872713678 https://leetcode.com/problems/fizz-buzz
145 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
146 28 Implement strStr() 34.5% Easy 0.15437642620216585 https://leetcode.com/problems/implement-strstr
147 62 Unique Paths 54.1% Medium 0.15421684583780285 https://leetcode.com/problems/unique-paths
148 218 The Skyline Problem 34.6% Hard 0.14953173397096375 https://leetcode.com/problems/the-skyline-problem
149 217 Contains Duplicate 56.0% Easy 0.149082410987406 https://leetcode.com/problems/contains-duplicate
150 83 Remove Duplicates from Sorted List 45.4% Easy 0.14784842578508967 https://leetcode.com/problems/remove-duplicates-from-sorted-list
151 168 Excel Sheet Column Title 31.1% Easy 0.14624550032014502 https://leetcode.com/problems/excel-sheet-column-title
152 95 Unique Binary Search Trees II 40.6% Medium 0.14236392393156927 https://leetcode.com/problems/unique-binary-search-trees-ii
153 55 Jump Game 34.6% Medium 0.14177401548857888 https://leetcode.com/problems/jump-game
154 375 Guess Number Higher or Lower II 40.3% Medium 0.1391128024627178 https://leetcode.com/problems/guess-number-higher-or-lower-ii
155 554 Brick Wall 50.0% Medium 0.1384696742651052 https://leetcode.com/problems/brick-wall
156 726 Number of Atoms 49.0% Hard 0.13804422079620546 https://leetcode.com/problems/number-of-atoms
157 125 Valid Palindrome 36.7% Easy 0.13416684727631417 https://leetcode.com/problems/valid-palindrome
158 987 Vertical Order Traversal of a Binary Tree 36.6% Medium 0.13360431878681564 https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
159 110 Balanced Binary Tree 43.5% Easy 0.13348731548952925 https://leetcode.com/problems/balanced-binary-tree
160 35 Search Insert Position 42.6% Easy 0.13181240319984847 https://leetcode.com/problems/search-insert-position
161 1190 Reverse Substrings Between Each Pair of Parentheses 61.5% Medium 0.1304306149462744 https://leetcode.com/problems/reverse-substrings-between-each-pair-of-parentheses
162 287 Find the Duplicate Number 55.5% Medium 0.1291950147327505 https://leetcode.com/problems/find-the-duplicate-number
163 278 First Bad Version 35.7% Easy 0.1267677952000762 https://leetcode.com/problems/first-bad-version
164 84 Largest Rectangle in Histogram 35.2% Hard 0.12570469475928556 https://leetcode.com/problems/largest-rectangle-in-histogram
165 224 Basic Calculator 36.8% Hard 0.12435274487954455 https://leetcode.com/problems/basic-calculator
166 235 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
167 107 Binary Tree Level Order Traversal II 53.5% Easy 0.122658088838636 https://leetcode.com/problems/binary-tree-level-order-traversal-ii
168 1114 Print in Order 65.7% Easy 0.12136085700426744 https://leetcode.com/problems/print-in-order
169 93 Restore IP Addresses 35.6% Medium 0.11756123239496619 https://leetcode.com/problems/restore-ip-addresses
170 316 Remove Duplicate Letters 35.8% Hard 0.1165801830326188 https://leetcode.com/problems/remove-duplicate-letters
171 191 Number of 1 Bits 49.8% Easy 0.11333538213170377 https://leetcode.com/problems/number-of-1-bits
172 104 Maximum Depth of Binary Tree 66.0% Easy 0.11149742514307986 https://leetcode.com/problems/maximum-depth-of-binary-tree
173 40 Combination Sum II 48.2% Medium 0.11145356111123644 https://leetcode.com/problems/combination-sum-ii
174 1108 Defanging an IP Address 87.5% Easy 0.1113224686534394 https://leetcode.com/problems/defanging-an-ip-address
175 295 Find Median from Data Stream 44.3% Hard 0.10502147513923703 https://leetcode.com/problems/find-median-from-data-stream
176 98 Validate Binary Search Tree 27.8% Medium 0.1008693132143216 https://leetcode.com/problems/validate-binary-search-tree
177 283 Move Zeroes 57.8% Easy 0.09896140984010138 https://leetcode.com/problems/move-zeroes
178 617 Merge Two Binary Trees 74.1% Easy 0.09679876601677688 https://leetcode.com/problems/merge-two-binary-trees
179 59 Spiral Matrix II 53.9% Medium 0.09483978737982436 https://leetcode.com/problems/spiral-matrix-ii
180 66 Plus One 43.0% Easy 0.09425513144914506 https://leetcode.com/problems/plus-one
181 215 Kth Largest Element in an Array 55.4% Medium 0.09326418878681669 https://leetcode.com/problems/kth-largest-element-in-an-array
182 257 Binary Tree Paths 51.5% Easy 0.09040028430515686 https://leetcode.com/problems/binary-tree-paths
183 185 Department Top Three Salaries 34.5% Hard 0.08593583151429968 https://leetcode.com/problems/department-top-three-salaries
184 73 Set Matrix Zeroes 43.1% Medium 0.08271965106891821 https://leetcode.com/problems/set-matrix-zeroes
185 387 First Unique Character in a String 53.4% Easy 0.08151765202603821 https://leetcode.com/problems/first-unique-character-in-a-string
186 118 Pascal's Triangle 52.5% Easy 0.07970401164997687 https://leetcode.com/problems/pascals-triangle
187 875 Koko Eating Bananas 52.1% Medium 0.07919704166119315 https://leetcode.com/problems/koko-eating-bananas
188 79 Word Search 35.6% Medium 0.07847790263416941 https://leetcode.com/problems/word-search
189 67 Add Binary 45.2% Easy 0.07835548390827937 https://leetcode.com/problems/add-binary
190 525 Contiguous Array 42.8% Medium 0.07677630069592066 https://leetcode.com/problems/contiguous-array
191 399 Evaluate Division 51.6% Medium 0.07536521894921006 https://leetcode.com/problems/evaluate-division
192 669 Trim a Binary Search Tree 63.0% Easy 0.07445297819474968 https://leetcode.com/problems/trim-a-binary-search-tree
193 460 LFU Cache 34.2% Hard 0.06836374280939023 https://leetcode.com/problems/lfu-cache
194 258 Add Digits 57.6% Easy 0.06075860721222717 https://leetcode.com/problems/add-digits
195 114 Flatten Binary Tree to Linked List 49.3% Medium 0.06042105947476499 https://leetcode.com/problems/flatten-binary-tree-to-linked-list
196 113 Path Sum II 46.7% Medium 0.05964085390630209 https://leetcode.com/problems/path-sum-ii
197 102 Binary Tree Level Order Traversal 54.6% Medium 0.056692473087026664 https://leetcode.com/problems/binary-tree-level-order-traversal
198 601 Human Traffic of Stadium 41.7% Hard 0.05223119222544569 https://leetcode.com/problems/human-traffic-of-stadium
199 665 Non-decreasing Array 19.5% Easy 0.05108036638098062 https://leetcode.com/problems/non-decreasing-array
200 681 Next Closest Time 45.0% Medium 0.05045206096038863 https://leetcode.com/problems/next-closest-time
201 77 Combinations 54.7% Medium 0.04928622947983693 https://leetcode.com/problems/combinations
202 547 Friend Circles 58.6% Medium 0.04804286211474039 https://leetcode.com/problems/friend-circles
203 876 Middle of the Linked List 68.4% Easy 0.046728740327781716 https://leetcode.com/problems/middle-of-the-linked-list
204 977 Squares of a Sorted Array 72.1% Easy 0.046652914831048324 https://leetcode.com/problems/squares-of-a-sorted-array
205 205 Isomorphic Strings 39.8% Easy 0.045397866271290506 https://leetcode.com/problems/isomorphic-strings
206 1051 Height Checker 71.1% Easy 0.04510347333459475 https://leetcode.com/problems/height-checker
207 36 Valid Sudoku 48.7% Medium 0.04452302288876419 https://leetcode.com/problems/valid-sudoku
208 545 Boundary of Binary Tree 38.9% Medium 0.04158603377810283 https://leetcode.com/problems/boundary-of-binary-tree
209 647 Palindromic Substrings 60.6% Medium 0.040968350772541844 https://leetcode.com/problems/palindromic-substrings
210 314 Binary Tree Vertical Order Traversal 45.3% Medium 0.04007660092703385 https://leetcode.com/problems/binary-tree-vertical-order-traversal
211 686 Repeated String Match 32.3% Easy 0.03984590854719967 https://leetcode.com/problems/repeated-string-match
212 203 Remove Linked List Elements 38.6% Easy 0.0398221041810017 https://leetcode.com/problems/remove-linked-list-elements
213 380 Insert Delete GetRandom O(1) 47.5% Medium 0.038717635350707984 https://leetcode.com/problems/insert-delete-getrandom-o1
214 47 Permutations II 46.4% Medium 0.038145268259690404 https://leetcode.com/problems/permutations-ii
215 402 Remove K Digits 28.4% Medium 0.03755134565213245 https://leetcode.com/problems/remove-k-digits
216 1002 Find Common Characters 67.6% Easy 0.03404262162737441 https://leetcode.com/problems/find-common-characters
217 404 Sum of Left Leaves 50.9% Easy 0.031187558856704493 https://leetcode.com/problems/sum-of-left-leaves
218 703 Kth Largest Element in a Stream 49.7% Easy 0.031004894819414507 https://leetcode.com/problems/kth-largest-element-in-a-stream
219 994 Rotting Oranges 49.2% Medium 0.030179582027776965 https://leetcode.com/problems/rotting-oranges
220 695 Max Area of Island 62.7% Medium 0.028321590863246118 https://leetcode.com/problems/max-area-of-island
221 709 To Lower Case 79.3% Easy 0.02780531308033682 https://leetcode.com/problems/to-lower-case
222 159 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
223 877 Stone Game 64.8% Medium 0.02486144206532915 https://leetcode.com/problems/stone-game
224 154 Find Minimum in Rotated Sorted Array II 41.6% Hard 0.01898490812303644 https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
225 993 Cousins in Binary Tree 52.0% Easy 0.017414458368636587 https://leetcode.com/problems/cousins-in-binary-tree
226 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
227 1192 Critical Connections in a Network 48.6% Hard 0.01352742981715631 https://leetcode.com/problems/critical-connections-in-a-network
228 57 Insert Interval 33.5% Hard 0.013119243592498872 https://leetcode.com/problems/insert-interval
229 700 Search in a Binary Search Tree 73.1% Easy 0.008512500860171227 https://leetcode.com/problems/search-in-a-binary-search-tree
230 692 Top K Frequent Words 51.8% Medium 0.007516006820935329 https://leetcode.com/problems/top-k-frequent-words
231 145 Binary Tree Postorder Traversal 55.0% Hard 0.00751459482064135 https://leetcode.com/problems/binary-tree-postorder-traversal
232 1470 Shuffle the Array 88.9% Easy 0.004527967890154029 https://leetcode.com/problems/shuffle-the-array
233 793 Preimage Size of Factorial Zeroes Function 40.3% Hard 0 https://leetcode.com/problems/preimage-size-of-factorial-zeroes-function
234 908 Smallest Range I 65.8% Easy 0 https://leetcode.com/problems/smallest-range-i
235 910 Smallest Range II 26.6% Medium 0 https://leetcode.com/problems/smallest-range-ii