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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
1 1396 Design Underground System 64.7% Medium 2.155218657865939 https://leetcode.com/problems/design-underground-system
2 1169 Invalid Transactions 31.2% Medium 1.8705521944133323 https://leetcode.com/problems/invalid-transactions
3 430 Flatten a Multilevel Doubly Linked List 55.1% Medium 1.8386285548491934 https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
4 394 Decode String 50.0% Medium 1.5539620913965866 https://leetcode.com/problems/decode-string
5 1274 Number of Ships in a Rectangle 66.3% Hard 1.5168632132045061 https://leetcode.com/problems/number-of-ships-in-a-rectangle
6 200 Number of Islands 46.8% Medium 1.2569671029144711 https://leetcode.com/problems/number-of-islands
7 1029 Two City Scheduling 56.1% Easy 1.1652198458372507 https://leetcode.com/problems/two-city-scheduling
8 1209 Remove All Adjacent Duplicates in String II 56.9% Medium 1.1602010262797395 https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii
9 146 LRU Cache 33.2% Medium 1.1237841453867323 https://leetcode.com/problems/lru-cache
10 723 Candy Crush 69.2% Medium 0.8391176819341255 https://leetcode.com/problems/candy-crush
11 253 Meeting Rooms II 45.7% Medium 0.8140532494267123 https://leetcode.com/problems/meeting-rooms-ii
12 445 Add Two Numbers II 54.5% Medium 0.5293867859741055 https://leetcode.com/problems/add-two-numbers-ii
13 155 Min Stack 44.5% Easy 0.5220441452861782 https://leetcode.com/problems/min-stack
14 117 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
15 2 Add Two Numbers 33.9% Medium 0.49630461312547347 https://leetcode.com/problems/add-two-numbers
16 380 Insert Delete GetRandom O(1) 47.5% Medium 0.48958006104635376 https://leetcode.com/problems/insert-delete-getrandom-o1
17 987 Vertical Order Traversal of a Binary Tree 36.6% Medium 0.4521972578125842 https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
18 1472 Design Browser History 64.6% Medium 0.41985384556026395 https://leetcode.com/problems/design-browser-history
19 387 First Unique Character in a String 53.4% Easy 0.41045073684368005 https://leetcode.com/problems/first-unique-character-in-a-string
20 98 Validate Binary Search Tree 27.8% Medium 0.3538407427028572 https://leetcode.com/problems/validate-binary-search-tree
21 390 Elimination Game 44.5% Medium 0.33790695709687324 https://leetcode.com/problems/elimination-game
22 611 Valid Triangle Number 48.4% Medium 0.33024168687057687 https://leetcode.com/problems/valid-triangle-number
23 314 Binary Tree Vertical Order Traversal 45.3% Medium 0.3133604469552722 https://leetcode.com/problems/binary-tree-vertical-order-traversal
24 582 Kill Process 60.8% Medium 0.29905506262405096 https://leetcode.com/problems/kill-process
25 451 Sort Characters By Frequency 63.0% Medium 0.285942725510602 https://leetcode.com/problems/sort-characters-by-frequency
26 42 Trapping Rain Water 48.9% Hard 0.27385241509061997 https://leetcode.com/problems/trapping-rain-water
27 422 Valid Word Square 37.7% Easy 0.2578291093020998 https://leetcode.com/problems/valid-word-square
28 139 Word Break 40.1% Medium 0.24836185186023652 https://leetcode.com/problems/word-break
29 138 Copy List with Random Pointer 36.4% Medium 0.2330001096609468 https://leetcode.com/problems/copy-list-with-random-pointer
30 1 Two Sum 45.6% Easy 0.2242758219657857 https://leetcode.com/problems/two-sum
31 1223 Dice Roll Simulation 45.6% Medium 0.2166710368085923 https://leetcode.com/problems/dice-roll-simulation
32 12 Integer to Roman 55.1% Medium 0.19410560740412444 https://leetcode.com/problems/integer-to-roman
33 33 Search in Rotated Sorted Array 34.5% Medium 0.1881816310890415 https://leetcode.com/problems/search-in-rotated-sorted-array
34 3 Longest Substring Without Repeating Characters 30.4% Medium 0.18722008570926535 https://leetcode.com/problems/longest-substring-without-repeating-characters
35 797 All Paths From Source to Target 77.9% Medium 0.18261007976444532 https://leetcode.com/problems/all-paths-from-source-to-target
36 1244 Design A Leaderboard 60.7% Medium 0.17763094743610072 https://leetcode.com/problems/design-a-leaderboard
37 384 Shuffle an Array 52.8% Medium 0.17247686769050424 https://leetcode.com/problems/shuffle-an-array
38 283 Move Zeroes 57.8% Easy 0.16968455522475076 https://leetcode.com/problems/move-zeroes
39 116 Populating Next Right Pointers in Each Node 45.2% Medium 0.16897814162027025 https://leetcode.com/problems/populating-next-right-pointers-in-each-node
40 242 Valid Anagram 56.9% Easy 0.1620140669319784 https://leetcode.com/problems/valid-anagram
41 56 Merge Intervals 39.3% Medium 0.1574006175650271 https://leetcode.com/problems/merge-intervals
42 20 Valid Parentheses 39.0% Easy 0.15392855906669206 https://leetcode.com/problems/valid-parentheses
43 1047 Remove All Adjacent Duplicates In String 68.6% Easy 0.14930349746217414 https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string
44 5 Longest Palindromic Substring 29.5% Medium 0.12076411655886263 https://leetcode.com/problems/longest-palindromic-substring
45 23 Merge k Sorted Lists 40.2% Hard 0.11583022971243631 https://leetcode.com/problems/merge-k-sorted-lists
46 328 Odd Even Linked List 55.7% Medium 0.11579884452311498 https://leetcode.com/problems/odd-even-linked-list
47 1188 Design Bounded Blocking Queue 70.5% Medium 0.11030454201470608 https://leetcode.com/problems/design-bounded-blocking-queue
48 695 Max Area of Island 62.7% Medium 0.10876995385464024 https://leetcode.com/problems/max-area-of-island
49 924 Minimize Malware Spread 42.0% Hard 0.10821358464023274 https://leetcode.com/problems/minimize-malware-spread
50 128 Longest Consecutive Sequence 45.1% Hard 0.10561054122992579 https://leetcode.com/problems/longest-consecutive-sequence
51 1060 Missing Element in Sorted Array 54.5% Medium 0.1042610103244094 https://leetcode.com/problems/missing-element-in-sorted-array
52 658 Find K Closest Elements 40.9% Medium 0.0995648587647672 https://leetcode.com/problems/find-k-closest-elements
53 41 First Missing Positive 32.0% Hard 0.0979525363954321 https://leetcode.com/problems/first-missing-positive
54 463 Island Perimeter 65.7% Easy 0.0943601559822778 https://leetcode.com/problems/island-perimeter
55 21 Merge Two Sorted Lists 53.5% Easy 0.09110919511165776 https://leetcode.com/problems/merge-two-sorted-lists
56 652 Find Duplicate Subtrees 50.2% Medium 0.08907963005368878 https://leetcode.com/problems/find-duplicate-subtrees
57 15 3Sum 26.8% Medium 0.08893577620894672 https://leetcode.com/problems/3sum
58 991 Broken Calculator 45.6% Medium 0.08515780834030685 https://leetcode.com/problems/broken-calculator
59 10 Regular Expression Matching 26.8% Hard 0.08466459371201616 https://leetcode.com/problems/regular-expression-matching
60 332 Reconstruct Itinerary 36.7% Medium 0.08302143328026106 https://leetcode.com/problems/reconstruct-itinerary
61 813 Largest Sum of Averages 49.9% Medium 0.08201315166083516 https://leetcode.com/problems/largest-sum-of-averages
62 140 Word Break II 32.6% Hard 0.07881168148917794 https://leetcode.com/problems/word-break-ii
63 1297 Maximum Number of Occurrences of a Substring 47.3% Medium 0.07770898432731625 https://leetcode.com/problems/maximum-number-of-occurrences-of-a-substring
64 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
65 399 Evaluate Division 51.6% Medium 0.07536521894921006 https://leetcode.com/problems/evaluate-division
66 214 Shortest Palindrome 29.8% Hard 0.0753494372417868 https://leetcode.com/problems/shortest-palindrome
67 49 Group Anagrams 56.9% Medium 0.07434615245733686 https://leetcode.com/problems/group-anagrams
68 79 Word Search 35.6% Medium 0.06802605972322294 https://leetcode.com/problems/word-search
69 199 Binary Tree Right Side View 54.1% Medium 0.06748154336946242 https://leetcode.com/problems/binary-tree-right-side-view
70 105 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
71 1145 Binary Tree Coloring Game 51.2% Medium 0.06592172080482424 https://leetcode.com/problems/binary-tree-coloring-game
72 662 Maximum Width of Binary Tree 41.0% Medium 0.06560589270959301 https://leetcode.com/problems/maximum-width-of-binary-tree
73 565 Array Nesting 55.5% Medium 0.06351340572232586 https://leetcode.com/problems/array-nesting
74 397 Integer Replacement 32.9% Medium 0.06331227941432688 https://leetcode.com/problems/integer-replacement
75 353 Design Snake Game 34.2% Medium 0.06053284922884233 https://leetcode.com/problems/design-snake-game
76 221 Maximal Square 37.7% Medium 0.060244665945199054 https://leetcode.com/problems/maximal-square
77 8 String to Integer (atoi) 15.4% Medium 0.0590196151944673 https://leetcode.com/problems/string-to-integer-atoi
78 417 Pacific Atlantic Water Flow 41.1% Medium 0.057523844138186606 https://leetcode.com/problems/pacific-atlantic-water-flow
79 78 Subsets 62.0% Medium 0.05743033072740612 https://leetcode.com/problems/subsets
80 1249 Minimum Remove to Make Valid Parentheses 62.5% Medium 0.05613145611169511 https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
81 752 Open the Lock 51.8% Medium 0.05449289949671372 https://leetcode.com/problems/open-the-lock
82 1054 Distant Barcodes 43.2% Medium 0.054435206555017046 https://leetcode.com/problems/distant-barcodes
83 44 Wildcard Matching 24.7% Hard 0.053722215229247965 https://leetcode.com/problems/wildcard-matching
84 53 Maximum Subarray 46.5% Easy 0.052816160704876255 https://leetcode.com/problems/maximum-subarray
85 85 Maximal Rectangle 37.7% Hard 0.05229949940284891 https://leetcode.com/problems/maximal-rectangle
86 173 Binary Search Tree Iterator 56.6% Medium 0.0519111767751893 https://leetcode.com/problems/binary-search-tree-iterator
87 121 Best Time to Buy and Sell Stock 50.5% Easy 0.05179016768312839 https://leetcode.com/problems/best-time-to-buy-and-sell-stock
88 286 Walls and Gates 54.5% Medium 0.05155780966485001 https://leetcode.com/problems/walls-and-gates
89 708 Insert into a Sorted Circular Linked List 31.6% Medium 0.05142521180743711 https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
90 84 Largest Rectangle in Histogram 35.2% Hard 0.051000241824383195 https://leetcode.com/problems/largest-rectangle-in-histogram
91 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
92 269 Alien Dictionary 33.3% Hard 0.04997917057465883 https://leetcode.com/problems/alien-dictionary
93 285 Inorder Successor in BST 40.4% Medium 0.049569618859417214 https://leetcode.com/problems/inorder-successor-in-bst
94 518 Coin Change 2 50.2% Medium 0.04919528672454412 https://leetcode.com/problems/coin-change-2
95 889 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
96 759 Employee Free Time 66.3% Hard 0.04861224405509378 https://leetcode.com/problems/employee-free-time
97 322 Coin Change 35.5% Medium 0.04828048261319787 https://leetcode.com/problems/coin-change
98 88 Merge Sorted Array 39.4% Easy 0.04710909306080898 https://leetcode.com/problems/merge-sorted-array
99 692 Top K Frequent Words 51.8% Medium 0.046074115337669586 https://leetcode.com/problems/top-k-frequent-words
100 90 Subsets II 47.1% Medium 0.044888321248134265 https://leetcode.com/problems/subsets-ii
101 102 Binary Tree Level Order Traversal 54.6% Medium 0.04369064305418892 https://leetcode.com/problems/binary-tree-level-order-traversal
102 716 Max Stack 42.6% Easy 0.042695919196489414 https://leetcode.com/problems/max-stack
103 229 Majority Element II 35.6% Medium 0.04237922296886145 https://leetcode.com/problems/majority-element-ii
104 727 Minimum Window Subsequence 41.8% Hard 0.04237922296886145 https://leetcode.com/problems/minimum-window-subsequence
105 114 Flatten Binary Tree to Linked List 49.3% Medium 0.04234332805480797 https://leetcode.com/problems/flatten-binary-tree-to-linked-list
106 1155 Number of Dice Rolls With Target Sum 49.0% Medium 0.04204262329555109 https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
107 503 Next Greater Element II 56.5% Medium 0.041944638750466105 https://leetcode.com/problems/next-greater-element-ii
108 92 Reverse Linked List II 38.8% Medium 0.041073535208287514 https://leetcode.com/problems/reverse-linked-list-ii
109 292 Nim Game 54.9% Easy 0.03996979643236185 https://leetcode.com/problems/nim-game
110 72 Edit Distance 44.8% Hard 0.039482058697133414 https://leetcode.com/problems/edit-distance
111 993 Cousins in Binary Tree 52.0% Easy 0.03876454345024432 https://leetcode.com/problems/cousins-in-binary-tree
112 22 Generate Parentheses 62.7% Medium 0.038581724751038625 https://leetcode.com/problems/generate-parentheses
113 31 Next Permutation 32.6% Medium 0.03686102113159897 https://leetcode.com/problems/next-permutation
114 127 Word Ladder 29.6% Medium 0.03679590970204585 https://leetcode.com/problems/word-ladder
115 673 Number of Longest Increasing Subsequence 35.7% Medium 0.036467121912812143 https://leetcode.com/problems/number-of-longest-increasing-subsequence
116 250 Count Univalue Subtrees 52.0% Medium 0.036235848454044865 https://leetcode.com/problems/count-univalue-subtrees
117 71 Simplify Path 32.6% Medium 0.03622126343431837 https://leetcode.com/problems/simplify-path
118 650 2 Keys Keyboard 49.2% Medium 0.035910501305770864 https://leetcode.com/problems/2-keys-keyboard
119 125 Valid Palindrome 36.7% Easy 0.035266657982323354 https://leetcode.com/problems/valid-palindrome
120 4 Median of Two Sorted Arrays 29.6% Hard 0.034565653112280895 https://leetcode.com/problems/median-of-two-sorted-arrays
121 274 H-Index 36.1% Medium 0.03364488914272426 https://leetcode.com/problems/h-index
122 209 Minimum Size Subarray Sum 38.2% Medium 0.033239453928687726 https://leetcode.com/problems/minimum-size-subarray-sum
123 694 Number of Distinct Islands 56.0% Medium 0.03278982282299087 https://leetcode.com/problems/number-of-distinct-islands
124 315 Count of Smaller Numbers After Self 41.5% Hard 0.03200842244384717 https://leetcode.com/problems/count-of-smaller-numbers-after-self
125 1123 Lowest Common Ancestor of Deepest Leaves 66.8% Medium 0.03147388037973136 https://leetcode.com/problems/lowest-common-ancestor-of-deepest-leaves
126 69 Sqrt(x) 33.9% Easy 0.03146892772463772 https://leetcode.com/problems/sqrtx
127 222 Count Complete Tree Nodes 46.8% Medium 0.031263400619043376 https://leetcode.com/problems/count-complete-tree-nodes
128 460 LFU Cache 34.2% Hard 0.030962225603966897 https://leetcode.com/problems/lfu-cache
129 557 Reverse Words in a String III 69.8% Easy 0.03063547953861342 https://leetcode.com/problems/reverse-words-in-a-string-iii
130 160 Intersection of Two Linked Lists 40.6% Easy 0.030246680296091687 https://leetcode.com/problems/intersection-of-two-linked-lists
131 846 Hand of Straights 54.2% Medium 0.029284669545175425 https://leetcode.com/problems/hand-of-straights
132 413 Arithmetic Slices 57.9% Medium 0.028431197162004825 https://leetcode.com/problems/arithmetic-slices
133 46 Permutations 63.5% Medium 0.026064861710547768 https://leetcode.com/problems/permutations
134 136 Single Number 65.5% Easy 0.025535113202894706 https://leetcode.com/problems/single-number
135 30 Substring with Concatenation of All Words 25.4% Hard 0.02486144206532915 https://leetcode.com/problems/substring-with-concatenation-of-all-words
136 149 Max Points on a Line 16.9% Hard 0.02484599858653081 https://leetcode.com/problems/max-points-on-a-line
137 76 Minimum Window Substring 34.6% Hard 0.024696424154275233 https://leetcode.com/problems/minimum-window-substring
138 64 Minimum Path Sum 54.5% Medium 0.024287775531756203 https://leetcode.com/problems/minimum-path-sum
139 395 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
140 348 Design Tic-Tac-Toe 54.3% Medium 0.024214258120594613 https://leetcode.com/problems/design-tic-tac-toe
141 99 Recover Binary Search Tree 39.7% Hard 0.02310905839365837 https://leetcode.com/problems/recover-binary-search-tree
142 13 Roman to Integer 55.7% Easy 0.021239435742925746 https://leetcode.com/problems/roman-to-integer
143 101 Symmetric Tree 46.8% Easy 0.02109782896463587 https://leetcode.com/problems/symmetric-tree
144 359 Logger Rate Limiter 70.8% Easy 0.021053409197832343 https://leetcode.com/problems/logger-rate-limiter
145 97 Interleaving String 31.5% Hard 0.020471543980187256 https://leetcode.com/problems/interleaving-string
146 424 Longest Repeating Character Replacement 47.0% Medium 0.020461071871340063 https://leetcode.com/problems/longest-repeating-character-replacement
147 784 Letter Case Permutation 64.6% Medium 0.02026411791905559 https://leetcode.com/problems/letter-case-permutation
148 295 Find Median from Data Stream 44.3% Hard 0.0201349084090559 https://leetcode.com/problems/find-median-from-data-stream
149 721 Accounts Merge 48.8% Medium 0.01888630262874805 https://leetcode.com/problems/accounts-merge
150 532 K-diff Pairs in an Array 31.6% Easy 0.018735911057469818 https://leetcode.com/problems/k-diff-pairs-in-an-array
151 450 Delete Node in a BST 43.1% Medium 0.018536211907915243 https://leetcode.com/problems/delete-node-in-a-bst
152 234 Palindrome Linked List 39.3% Easy 0.01801241989645556 https://leetcode.com/problems/palindrome-linked-list
153 126 Word Ladder II 22.1% Hard 0.017994187717865196 https://leetcode.com/problems/word-ladder-ii
154 6 ZigZag Conversion 36.3% Medium 0.01726827253226344 https://leetcode.com/problems/zigzag-conversion
155 415 Add Strings 47.5% Easy 0.016991158247219373 https://leetcode.com/problems/add-strings
156 402 Remove K Digits 28.4% Medium 0.016863806052004816 https://leetcode.com/problems/remove-k-digits
157 188 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
158 103 Binary Tree Zigzag Level Order Traversal 48.3% Medium 0.015272005981326173 https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
159 29 Divide Two Integers 16.4% Medium 0.01517479801923515 https://leetcode.com/problems/divide-two-integers
160 118 Pascal's Triangle 52.5% Easy 0.015123796918620345 https://leetcode.com/problems/pascals-triangle
161 1025 Divisor Game 66.3% Easy 0.015015297119995507 https://leetcode.com/problems/divisor-game
162 153 Find Minimum in Rotated Sorted Array 45.1% Medium 0.014939586916186732 https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
163 516 Longest Palindromic Subsequence 53.2% Medium 0.014931221774984842 https://leetcode.com/problems/longest-palindromic-subsequence
164 621 Task Scheduler 50.1% Medium 0.014546980601820143 https://leetcode.com/problems/task-scheduler
165 301 Remove Invalid Parentheses 43.3% Hard 0.01446679841775339 https://leetcode.com/problems/remove-invalid-parentheses
166 109 Convert Sorted List to Binary Search Tree 47.7% Medium 0.014440684154794336 https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
167 912 Sort an Array 63.9% Medium 0.01443026482902881 https://leetcode.com/problems/sort-an-array
168 202 Happy Number 50.4% Easy 0.014045174703047602 https://leetcode.com/problems/happy-number
169 404 Sum of Left Leaves 50.9% Easy 0.013981353230340547 https://leetcode.com/problems/sum-of-left-leaves
170 24 Swap Nodes in Pairs 50.4% Medium 0.013945066390122038 https://leetcode.com/problems/swap-nodes-in-pairs
171 443 String Compression 41.3% Easy 0.01390843004613198 https://leetcode.com/problems/string-compression
172 724 Find Pivot Index 44.0% Easy 0.013850636933899008 https://leetcode.com/problems/find-pivot-index
173 329 Longest Increasing Path in a Matrix 43.4% Hard 0.013400535537482126 https://leetcode.com/problems/longest-increasing-path-in-a-matrix
174 347 Top K Frequent Elements 61.2% Medium 0.01329217620893675 https://leetcode.com/problems/top-k-frequent-elements
175 219 Contains Duplicate II 37.7% Easy 0.01276748910345265 https://leetcode.com/problems/contains-duplicate-ii
176 852 Peak Index in a Mountain Array 71.6% Easy 0.012618463959211509 https://leetcode.com/problems/peak-index-in-a-mountain-array
177 152 Maximum Product Subarray 31.7% Medium 0.012534983069696118 https://leetcode.com/problems/maximum-product-subarray
178 112 Path Sum 41.2% Easy 0.012265076074932503 https://leetcode.com/problems/path-sum
179 437 Path Sum III 47.2% Medium 0.012128711446614806 https://leetcode.com/problems/path-sum-iii
180 9 Palindrome Number 48.4% Easy 0.01209661684713821 https://leetcode.com/problems/palindrome-number
181 273 Integer to English Words 27.1% Hard 0.012081089250339716 https://leetcode.com/problems/integer-to-english-words
182 81 Search in Rotated Sorted Array II 33.0% Medium 0.011689203815677656 https://leetcode.com/problems/search-in-rotated-sorted-array-ii
183 123 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
184 232 Implement Queue using Stacks 49.6% Easy 0.011242389348933884 https://leetcode.com/problems/implement-queue-using-stacks
185 171 Excel Sheet Column Number 55.9% Easy 0.011195191092491645 https://leetcode.com/problems/excel-sheet-column-number
186 207 Course Schedule 43.1% Medium 0.01113459480911671 https://leetcode.com/problems/course-schedule
187 268 Missing Number 51.7% Easy 0.010947682628191997 https://leetcode.com/problems/missing-number
188 338 Counting Bits 69.5% Medium 0.01088446119842327 https://leetcode.com/problems/counting-bits
189 236 Lowest Common Ancestor of a Binary Tree 45.7% Medium 0.010575891759058162 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
190 572 Subtree of Another Tree 44.1% Easy 0.01045487829263024 https://leetcode.com/problems/subtree-of-another-tree
191 47 Permutations II 46.4% Medium 0.009673594178378379 https://leetcode.com/problems/permutations-ii
192 40 Combination Sum II 48.2% Medium 0.009578617297069781 https://leetcode.com/problems/combination-sum-ii
193 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
194 96 Unique Binary Search Trees 52.9% Medium 0.009242209964820877 https://leetcode.com/problems/unique-binary-search-trees
195 392 Is Subsequence 49.2% Easy 0.009088906012344746 https://leetcode.com/problems/is-subsequence
196 215 Kth Largest Element in an Array 55.4% Medium 0.008759180089881562 https://leetcode.com/problems/kth-largest-element-in-an-array
197 63 Unique Paths II 34.6% Medium 0.008712753874961187 https://leetcode.com/problems/unique-paths-ii
198 198 House Robber 42.0% Easy 0.008434914115059812 https://leetcode.com/problems/house-robber
199 617 Merge Two Binary Trees 74.1% Easy 0.008262802639833214 https://leetcode.com/problems/merge-two-binary-trees
200 239 Sliding Window Maximum 43.0% Hard 0.007898935224534491 https://leetcode.com/problems/sliding-window-maximum
201 122 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
202 16 3Sum Closest 46.0% Medium 0.0075259057003469075 https://leetcode.com/problems/3sum-closest
203 14 Longest Common Prefix 35.4% Easy 0.00745530292090591 https://leetcode.com/problems/longest-common-prefix
204 7 Reverse Integer 25.8% Easy 0.007424283556794391 https://leetcode.com/problems/reverse-integer
205 176 Second Highest Salary 31.6% Easy 0.007393749024938284 https://leetcode.com/problems/second-highest-salary
206 344 Reverse String 68.5% Easy 0.00734157796234515 https://leetcode.com/problems/reverse-string
207 36 Valid Sudoku 48.7% Medium 0.007258242715805398 https://leetcode.com/problems/valid-sudoku
208 349 Intersection of Two Arrays 62.5% Easy 0.00725034896230682 https://leetcode.com/problems/intersection-of-two-arrays
209 412 Fizz Buzz 62.3% Easy 0.007165921026143679 https://leetcode.com/problems/fizz-buzz
210 110 Balanced Binary Tree 43.5% Easy 0.007027435807456887 https://leetcode.com/problems/balanced-binary-tree
211 19 Remove Nth Node From End of List 35.2% Medium 0.0069087555063702365 https://leetcode.com/problems/remove-nth-node-from-end-of-list
212 11 Container With Most Water 50.8% Medium 0.006889188300412141 https://leetcode.com/problems/container-with-most-water
213 448 Find All Numbers Disappeared in an Array 55.9% Easy 0.006863444924982415 https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
214 54 Spiral Matrix 34.1% Medium 0.0065941551175130245 https://leetcode.com/problems/spiral-matrix
215 203 Remove Linked List Elements 38.6% Easy 0.006479067005887776 https://leetcode.com/problems/remove-linked-list-elements
216 162 Find Peak Element 43.3% Medium 0.006350235659345837 https://leetcode.com/problems/find-peak-element
217 230 Kth Smallest Element in a BST 60.2% Medium 0.0063361529894967236 https://leetcode.com/problems/kth-smallest-element-in-a-bst
218 104 Maximum Depth of Binary Tree 66.0% Easy 0.006261761223976207 https://leetcode.com/problems/maximum-depth-of-binary-tree
219 144 Binary Tree Preorder Traversal 55.7% Medium 0.0060975798681185 https://leetcode.com/problems/binary-tree-preorder-traversal
220 91 Decode Ways 24.7% Medium 0.005968385368349129 https://leetcode.com/problems/decode-ways
221 39 Combination Sum 56.1% Medium 0.005715934396440999 https://leetcode.com/problems/combination-sum
222 50 Pow(x n) 30.3% Medium 0.0055950070772402055 https://leetcode.com/problems/powx-n
223 108 Convert Sorted Array to Binary Search Tree 57.9% Easy 0.005554027051374908 https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
224 124 Binary Tree Maximum Path Sum 34.3% Hard 0.005531752454833179 https://leetcode.com/problems/binary-tree-maximum-path-sum
225 287 Find the Duplicate Number 55.5% Medium 0.005501320434837602 https://leetcode.com/problems/find-the-duplicate-number
226 543 Diameter of Binary Tree 48.4% Easy 0.005305755914149804 https://leetcode.com/problems/diameter-of-binary-tree
227 237 Delete Node in a Linked List 63.8% Easy 0.005144705881237697 https://leetcode.com/problems/delete-node-in-a-linked-list
228 55 Jump Game 34.6% Medium 0.005022612266291382 https://leetcode.com/problems/jump-game
229 75 Sort Colors 47.3% Medium 0.004992521603120986 https://leetcode.com/problems/sort-colors
230 62 Unique Paths 54.1% Medium 0.004621080312067025 https://leetcode.com/problems/unique-paths
231 17 Letter Combinations of a Phone Number 46.8% Medium 0.0044018999217624675 https://leetcode.com/problems/letter-combinations-of-a-phone-number
232 26 Remove Duplicates from Sorted Array 45.1% Easy 0.004385117141850828 https://leetcode.com/problems/remove-duplicates-from-sorted-array
233 28 Implement strStr() 34.5% Easy 0.003943222775040032 https://leetcode.com/problems/implement-strstr
234 238 Product of Array Except Self 60.1% Medium 0.003930436424724545 https://leetcode.com/problems/product-of-array-except-self
235 977 Squares of a Sorted Array 72.1% Easy 0.003891055492966611 https://leetcode.com/problems/squares-of-a-sorted-array
236 27 Remove Element 48.2% Easy 0.0035524016043678225 https://leetcode.com/problems/remove-element
237 94 Binary Tree Inorder Traversal 63.3% Medium 0.0033551449021403577 https://leetcode.com/problems/binary-tree-inorder-traversal
238 1480 Running Sum of 1d Array 90.5% Easy 0.0026196884456014947 https://leetcode.com/problems/running-sum-of-1d-array
239 206 Reverse Linked List 62.5% Easy 0.0023398665252948926 https://leetcode.com/problems/reverse-linked-list
240 258 Add Digits 57.6% Easy 0.0020686809197766587 https://leetcode.com/problems/add-digits
241 70 Climbing Stairs 47.8% Easy 0.0015084665529624085 https://leetcode.com/problems/climbing-stairs
242 100 Same Tree 53.4% Easy 0.0014080047382258295 https://leetcode.com/problems/same-tree