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1239,Maximum Length of a Concatenated String with Unique Characters,47.8%,Medium,1.08746055306763, https://leetcode.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters
273,Integer to English Words,27.1%,Hard,1.0184313643647775, https://leetcode.com/problems/integer-to-english-words
146,LRU Cache,33.2%,Medium,0.9494021756619252, https://leetcode.com/problems/lru-cache
348,Design Tic-Tac-Toe,54.3%,Medium,0.8803729869590728, https://leetcode.com/problems/design-tic-tac-toe
138,Copy List with Random Pointer,36.4%,Medium,0.8113437982562205, https://leetcode.com/problems/copy-list-with-random-pointer
54,Spiral Matrix,34.1%,Medium,0.7684855384560624, https://leetcode.com/problems/spiral-matrix
428,Serialize and Deserialize N-ary Tree,59.4%,Hard,0.69945634975321, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
1246,Palindrome Removal,46.0%,Hard,0.6794349186959634, https://leetcode.com/problems/palindrome-removal
200,Number of Islands,46.8%,Medium,0.6346004158660578, https://leetcode.com/problems/number-of-islands
794,Valid Tic-Tac-Toe State,32.6%,Medium,0.6257058997644127, https://leetcode.com/problems/valid-tic-tac-toe-state
42,Trapping Rain Water,48.9%,Hard,0.6176631383787123, https://leetcode.com/problems/trapping-rain-water
1,Two Sum,45.6%,Easy,0.5816196797969626, https://leetcode.com/problems/two-sum
218,The Skyline Problem,34.6%,Hard,0.5769757487979034, https://leetcode.com/problems/the-skyline-problem
134,Gas Station,38.5%,Medium,0.5687668431527801, https://leetcode.com/problems/gas-station
25,Reverse Nodes in k-Group,42.1%,Hard,0.5548019913650492, https://leetcode.com/problems/reverse-nodes-in-k-group
5,Longest Palindromic Substring,29.5%,Medium,0.5535093105833294, https://leetcode.com/problems/longest-palindromic-substring
212,Word Search II,34.9%,Hard,0.5393056293017195, https://leetcode.com/problems/word-search-ii
1156,Swap For Longest Repeated Character Substring,49.0%,Medium,0.538996500732687, https://leetcode.com/problems/swap-for-longest-repeated-character-substring
340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.5227814976619829, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
545,Boundary of Binary Tree,38.9%,Medium,0.5184398737512361, https://leetcode.com/problems/boundary-of-binary-tree
23,Merge k Sorted Lists,40.2%,Hard,0.49122961269552146, https://leetcode.com/problems/merge-k-sorted-lists
510,Inorder Successor in BST II,58.0%,Medium,0.47332739722482975, https://leetcode.com/problems/inorder-successor-in-bst-ii
93,Restore IP Addresses,35.6%,Medium,0.47237108409270245, https://leetcode.com/problems/restore-ip-addresses
443,String Compression,41.3%,Easy,0.4648256809530135, https://leetcode.com/problems/string-compression
99,Recover Binary Search Tree,39.7%,Hard,0.4602395756064721, https://leetcode.com/problems/recover-binary-search-tree
468,Validate IP Address,24.1%,Medium,0.44558510189758965, https://leetcode.com/problems/validate-ip-address
98,Validate Binary Search Tree,27.8%,Medium,0.4300234886494738, https://leetcode.com/problems/validate-binary-search-tree
445,Add Two Numbers II,54.5%,Medium,0.4214654494546055, https://leetcode.com/problems/add-two-numbers-ii
297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.41418643622197904, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
557,Reverse Words in a String III,69.8%,Easy,0.4039661167637743, https://leetcode.com/problems/reverse-words-in-a-string-iii
679,24 Game,46.4%,Hard,0.4013413909243023, https://leetcode.com/problems/24-game
240,Search a 2D Matrix II,43.2%,Medium,0.3968649595445255, https://leetcode.com/problems/search-a-2d-matrix-ii
232,Implement Queue using Stacks,49.6%,Easy,0.39046720002438196, https://leetcode.com/problems/implement-queue-using-stacks
253,Meeting Rooms II,45.7%,Medium,0.37589684188619144, https://leetcode.com/problems/meeting-rooms-ii
470,Implement Rand10() Using Rand7(),46.3%,Medium,0.3746934494414107, https://leetcode.com/problems/implement-rand10-using-rand7
22,Generate Parentheses,62.7%,Medium,0.36260140367638205, https://leetcode.com/problems/generate-parentheses
127,Word Ladder,29.6%,Medium,0.35996786713577755, https://leetcode.com/problems/word-ladder
179,Largest Number,28.8%,Medium,0.35230239652612316, https://leetcode.com/problems/largest-number
1185,Day of the Week,64.0%,Easy,0.34898886906784754, https://leetcode.com/problems/day-of-the-week
116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.34657253966731805, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
1044,Longest Duplicate Substring,31.9%,Hard,0.3378493311698002, https://leetcode.com/problems/longest-duplicate-substring
1236,Web Crawler,64.3%,Medium,0.33647223662121295, https://leetcode.com/problems/web-crawler
431,Encode N-ary Tree to Binary Tree,70.8%,Hard,0.3308542443169896, https://leetcode.com/problems/encode-n-ary-tree-to-binary-tree
535,Encode and Decode TinyURL,79.9%,Medium,0.32631517792451364, https://leetcode.com/problems/encode-and-decode-tinyurl
236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.32407608535777543, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
450,Delete Node in a BST,43.1%,Medium,0.3212561617242367, https://leetcode.com/problems/delete-node-in-a-bst
53,Maximum Subarray,46.5%,Easy,0.3123508739120354, https://leetcode.com/problems/maximum-subarray
206,Reverse Linked List,62.5%,Easy,0.31191034127655376, https://leetcode.com/problems/reverse-linked-list
105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.30838486636029755, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
33,Search in Rotated Sorted Array,34.5%,Medium,0.3050410442923499, https://leetcode.com/problems/search-in-rotated-sorted-array
21,Merge Two Sorted Lists,53.5%,Easy,0.30215325354971423, https://leetcode.com/problems/merge-two-sorted-lists
828,Count Unique Characters of All Substrings of a Given String,45.2%,Hard,0.2972515234679316, https://leetcode.com/problems/count-unique-characters-of-all-substrings-of-a-given-string
44,Wildcard Matching,24.7%,Hard,0.29635426006094184, https://leetcode.com/problems/wildcard-matching
155,Min Stack,44.5%,Easy,0.29559427979545205, https://leetcode.com/problems/min-stack
8,String to Integer (atoi),15.4%,Medium,0.2948520886157078, https://leetcode.com/problems/string-to-integer-atoi
74,Search a 2D Matrix,36.5%,Medium,0.29107845681405486, https://leetcode.com/problems/search-a-2d-matrix
767,Reorganize String,48.7%,Medium,0.288685584829021, https://leetcode.com/problems/reorganize-string
186,Reverse Words in a String II,43.3%,Medium,0.2811673914305872, https://leetcode.com/problems/reverse-words-in-a-string-ii
17,Letter Combinations of a Phone Number,46.8%,Medium,0.27667543227352387, https://leetcode.com/problems/letter-combinations-of-a-phone-number
124,Binary Tree Maximum Path Sum,34.3%,Hard,0.2715704477876847, https://leetcode.com/problems/binary-tree-maximum-path-sum
46,Permutations,63.5%,Medium,0.2664106369752992, https://leetcode.com/problems/permutations
556,Next Greater Element III,31.7%,Medium,0.2619035411237044, https://leetcode.com/problems/next-greater-element-iii
37,Sudoku Solver,43.6%,Hard,0.2578291093020998, https://leetcode.com/problems/sudoku-solver
2,Add Two Numbers,33.9%,Medium,0.2512393123206071, https://leetcode.com/problems/add-two-numbers
56,Merge Intervals,39.3%,Medium,0.24825608514370837, https://leetcode.com/problems/merge-intervals
622,Design Circular Queue,43.8%,Medium,0.2454927324105261, https://leetcode.com/problems/design-circular-queue
642,Design Search Autocomplete System,44.7%,Hard,0.2443999668520736, https://leetcode.com/problems/design-search-autocomplete-system
277,Find the Celebrity,41.8%,Medium,0.24003104821376078, https://leetcode.com/problems/find-the-celebrity
419,Battleships in a Board,70.0%,Medium,0.23987034511952326, https://leetcode.com/problems/battleships-in-a-board
772,Basic Calculator III,41.3%,Hard,0.2322522675124501, https://leetcode.com/problems/basic-calculator-iii
224,Basic Calculator,36.8%,Hard,0.23074173054528113, https://leetcode.com/problems/basic-calculator
722,Remove Comments,34.6%,Medium,0.2297333609932653, https://leetcode.com/problems/remove-comments
768,Max Chunks To Make Sorted II,48.7%,Hard,0.22767870647960103, https://leetcode.com/problems/max-chunks-to-make-sorted-ii
4,Median of Two Sorted Arrays,29.6%,Hard,0.22322170378972916, https://leetcode.com/problems/median-of-two-sorted-arrays
49,Group Anagrams,56.9%,Medium,0.21827224887849583, https://leetcode.com/problems/group-anagrams
457,Circular Array Loop,29.4%,Medium,0.21472498084861397, https://leetcode.com/problems/circular-array-loop
295,Find Median from Data Stream,44.3%,Hard,0.2037476209666304, https://leetcode.com/problems/find-median-from-data-stream
24,Swap Nodes in Pairs,50.4%,Medium,0.20268288262258685, https://leetcode.com/problems/swap-nodes-in-pairs
151,Reverse Words in a String,21.9%,Medium,0.2001390038307645, https://leetcode.com/problems/reverse-words-in-a-string
238,Product of Array Except Self,60.1%,Medium,0.2000977065033704, https://leetcode.com/problems/product-of-array-except-self
1375,Bulb Switcher III,62.6%,Medium,0.19622624370172712, https://leetcode.com/problems/bulb-switcher-iii
358,Rearrange String k Distance Apart,34.9%,Hard,0.19004360288786493, https://leetcode.com/problems/rearrange-string-k-distance-apart
20,Valid Parentheses,39.0%,Easy,0.18885474565167532, https://leetcode.com/problems/valid-parentheses
102,Binary Tree Level Order Traversal,54.6%,Medium,0.18653553583602958, https://leetcode.com/problems/binary-tree-level-order-traversal
225,Implement Stack using Queues,45.1%,Easy,0.18487389839959817, https://leetcode.com/problems/implement-stack-using-queues
460,LFU Cache,34.2%,Hard,0.1794347945215637, https://leetcode.com/problems/lfu-cache
41,First Missing Positive,32.0%,Hard,0.17778213804791693, https://leetcode.com/problems/first-missing-positive
773,Sliding Puzzle,59.3%,Hard,0.17627924233799203, https://leetcode.com/problems/sliding-puzzle
121,Best Time to Buy and Sell Stock,50.5%,Easy,0.17553909756240016, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
139,Word Break,40.1%,Medium,0.17496192304962033, https://leetcode.com/problems/word-break
636,Exclusive Time of Functions,51.9%,Medium,0.17494800586305592, https://leetcode.com/problems/exclusive-time-of-functions
103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.17270709623176486, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
36,Valid Sudoku,48.7%,Medium,0.16730621375459595, https://leetcode.com/problems/valid-sudoku
10,Regular Expression Matching,26.8%,Hard,0.16577722888540247, https://leetcode.com/problems/regular-expression-matching
68,Text Justification,27.7%,Hard,0.16143214434637243, https://leetcode.com/problems/text-justification
540,Single Element in a Sorted Array,57.9%,Medium,0.16091725953613234, https://leetcode.com/problems/single-element-in-a-sorted-array
716,Max Stack,42.6%,Easy,0.16082720489992372, https://leetcode.com/problems/max-stack
3,Longest Substring Without Repeating Characters,30.4%,Medium,0.15840625330250555, https://leetcode.com/problems/longest-substring-without-repeating-characters
85,Maximal Rectangle,37.7%,Hard,0.15223129344145475, https://leetcode.com/problems/maximal-rectangle
126,Word Ladder II,22.1%,Hard,0.15135837956172798, https://leetcode.com/problems/word-ladder-ii
362,Design Hit Counter,63.7%,Medium,0.1489960292385938, https://leetcode.com/problems/design-hit-counter
706,Design HashMap,61.3%,Easy,0.1476880076475794, https://leetcode.com/problems/design-hashmap
15,3Sum,26.8%,Medium,0.14760362429774962, https://leetcode.com/problems/3sum
168,Excel Sheet Column Title,31.1%,Easy,0.14624550032014502, https://leetcode.com/problems/excel-sheet-column-title
688,Knight Probability in Chessboard,48.9%,Medium,0.14465605390747982, https://leetcode.com/problems/knight-probability-in-chessboard
909,Snakes and Ladders,38.4%,Medium,0.14465605390747982, https://leetcode.com/problems/snakes-and-ladders
48,Rotate Image,56.7%,Medium,0.1436966644013734, https://leetcode.com/problems/rotate-image
863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.14315784643382565, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
836,Rectangle Overlap,48.6%,Easy,0.14261022668001652, https://leetcode.com/problems/rectangle-overlap
75,Sort Colors,47.3%,Medium,0.14097981038702445, https://leetcode.com/problems/sort-colors
207,Course Schedule,43.1%,Medium,0.1402270159030123, https://leetcode.com/problems/course-schedule
702,Search in a Sorted Array of Unknown Size,66.9%,Medium,0.13783247452391326, https://leetcode.com/problems/search-in-a-sorted-array-of-unknown-size
88,Merge Sorted Array,39.4%,Easy,0.13778071743544493, https://leetcode.com/problems/merge-sorted-array
1136,Parallel Courses,61.1%,Hard,0.13720112151348504, https://leetcode.com/problems/parallel-courses
128,Longest Consecutive Sequence,45.1%,Hard,0.13583040733187832, https://leetcode.com/problems/longest-consecutive-sequence
143,Reorder List,37.1%,Medium,0.13338577922783287, https://leetcode.com/problems/reorder-list
73,Set Matrix Zeroes,43.1%,Medium,0.1332673662203486, https://leetcode.com/problems/set-matrix-zeroes
449,Serialize and Deserialize BST,52.0%,Medium,0.1327502812764459, https://leetcode.com/problems/serialize-and-deserialize-bst
285,Inorder Successor in BST,40.4%,Medium,0.13204807962078746, https://leetcode.com/problems/inorder-successor-in-bst
148,Sort List,42.3%,Medium,0.1292970884857343, https://leetcode.com/problems/sort-list
173,Binary Search Tree Iterator,56.6%,Medium,0.1278674715252332, https://leetcode.com/problems/binary-search-tree-iterator
528,Random Pick with Weight,43.9%,Medium,0.12617342152539626, https://leetcode.com/problems/random-pick-with-weight
315,Count of Smaller Numbers After Self,41.5%,Hard,0.12231037767091538, https://leetcode.com/problems/count-of-smaller-numbers-after-self
135,Candy,31.6%,Hard,0.11408368723037224, https://leetcode.com/problems/candy
1188,Design Bounded Blocking Queue,70.5%,Medium,0.11030454201470608, https://leetcode.com/problems/design-bounded-blocking-queue
269,Alien Dictionary,33.3%,Hard,0.10913301925275698, https://leetcode.com/problems/alien-dictionary
695,Max Area of Island,62.7%,Medium,0.10876995385464024, https://leetcode.com/problems/max-area-of-island
204,Count Primes,31.5%,Easy,0.10755824083435236, https://leetcode.com/problems/count-primes
346,Moving Average from Data Stream,70.9%,Easy,0.10562785959739482, https://leetcode.com/problems/moving-average-from-data-stream
158,Read N Characters Given Read4 II - Call multiple times,33.8%,Hard,0.10090468412429855, https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
69,Sqrt(x),33.9%,Easy,0.09855995053811686, https://leetcode.com/problems/sqrtx
117,Populating Next Right Pointers in Each Node II,39.1%,Medium,0.09811785595852335, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
189,Rotate Array,34.7%,Easy,0.09617246233782387, https://leetcode.com/problems/rotate-array
149,Max Points on a Line,16.9%,Hard,0.09588177170328253, https://leetcode.com/problems/max-points-on-a-line
160,Intersection of Two Linked Lists,40.6%,Easy,0.09485223529696123, https://leetcode.com/problems/intersection-of-two-linked-lists
165,Compare Version Numbers,27.4%,Medium,0.09483978737982436, https://leetcode.com/problems/compare-version-numbers
268,Missing Number,51.7%,Easy,0.0944647771866196, https://leetcode.com/problems/missing-number
426,Convert Binary Search Tree to Sorted Doubly Linked List,59.1%,Medium,0.09352605801082346, https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
727,Minimum Window Subsequence,41.8%,Hard,0.09294611250944432, https://leetcode.com/problems/minimum-window-subsequence
239,Sliding Window Maximum,43.0%,Hard,0.09271146326206103, https://leetcode.com/problems/sliding-window-maximum
266,Palindrome Permutation,61.9%,Easy,0.091248671465145, https://leetcode.com/problems/palindrome-permutation
252,Meeting Rooms,54.6%,Easy,0.09020195522698488, https://leetcode.com/problems/meeting-rooms
92,Reverse Linked List II,38.8%,Medium,0.0901510969942975, https://leetcode.com/problems/reverse-linked-list-ii
567,Permutation in String,44.4%,Medium,0.08995633353390375, https://leetcode.com/problems/permutation-in-string
79,Word Search,35.6%,Medium,0.08958359637385262, https://leetcode.com/problems/word-search
1116,Print Zero Even Odd,56.0%,Medium,0.08934510033584994, https://leetcode.com/problems/print-zero-even-odd
380,Insert Delete GetRandom O(1),47.5%,Medium,0.08509738264123867, https://leetcode.com/problems/insert-delete-getrandom-o1
317,Shortest Distance from All Buildings,41.4%,Hard,0.08345897538526194, https://leetcode.com/problems/shortest-distance-from-all-buildings
45,Jump Game II,30.6%,Hard,0.08280590368423257, https://leetcode.com/problems/jump-game-ii
13,Roman to Integer,55.7%,Easy,0.08237818622149326, https://leetcode.com/problems/roman-to-integer
543,Diameter of Binary Tree,48.4%,Easy,0.0816884620507733, https://leetcode.com/problems/diameter-of-binary-tree
89,Gray Code,49.1%,Medium,0.08112554481236843, https://leetcode.com/problems/gray-code
43,Multiply Strings,33.9%,Medium,0.07944184170158367, https://leetcode.com/problems/multiply-strings
32,Longest Valid Parentheses,28.4%,Hard,0.07916219339634281, https://leetcode.com/problems/longest-valid-parentheses
208,Implement Trie (Prefix Tree),49.4%,Medium,0.07910997849332738, https://leetcode.com/problems/implement-trie-prefix-tree
322,Coin Change,35.5%,Medium,0.07859731751631634, https://leetcode.com/problems/coin-change
1104,Path In Zigzag Labelled Binary Tree,72.0%,Medium,0.07786032177227234, https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree
125,Valid Palindrome,36.7%,Easy,0.07766984472754161, https://leetcode.com/problems/valid-palindrome
129,Sum Root to Leaf Numbers,49.1%,Medium,0.07707974254287937, https://leetcode.com/problems/sum-root-to-leaf-numbers
77,Combinations,54.7%,Medium,0.07597820557665204, https://leetcode.com/problems/combinations
227,Basic Calculator II,36.9%,Medium,0.07508779675444797, https://leetcode.com/problems/basic-calculator-ii
76,Minimum Window Substring,34.6%,Hard,0.07378420845373558, https://leetcode.com/problems/minimum-window-substring
1079,Letter Tile Possibilities,75.4%,Medium,0.07350246199292652, https://leetcode.com/problems/letter-tile-possibilities
153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.07343579359779528, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
133,Clone Graph,34.8%,Medium,0.07095173597228444, https://leetcode.com/problems/clone-graph
438,Find All Anagrams in a String,43.3%,Medium,0.07086789751218016, https://leetcode.com/problems/find-all-anagrams-in-a-string
442,Find All Duplicates in an Array,67.8%,Medium,0.07083107135140704, https://leetcode.com/problems/find-all-duplicates-in-an-array
378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.07059096970081927, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
234,Palindrome Linked List,39.3%,Easy,0.07018115380216305, https://leetcode.com/problems/palindrome-linked-list
432,All O`one Data Structure,32.4%,Hard,0.06887402901251127, https://leetcode.com/problems/all-oone-data-structure
171,Excel Sheet Column Number,55.9%,Easy,0.06799791190723256, https://leetcode.com/problems/excel-sheet-column-number
328,Odd Even Linked List,55.7%,Medium,0.06677800280143044, https://leetcode.com/problems/odd-even-linked-list
1145,Binary Tree Coloring Game,51.2%,Medium,0.06592172080482424, https://leetcode.com/problems/binary-tree-coloring-game
287,Find the Duplicate Number,55.5%,Medium,0.06539148783312071, https://leetcode.com/problems/find-the-duplicate-number
769,Max Chunks To Make Sorted,54.8%,Medium,0.06474752939415815, https://leetcode.com/problems/max-chunks-to-make-sorted
572,Subtree of Another Tree,44.1%,Easy,0.0636184974149243, https://leetcode.com/problems/subtree-of-another-tree
412,Fizz Buzz,62.3%,Easy,0.06271647386762642, https://leetcode.com/problems/fizz-buzz
59,Spiral Matrix II,53.9%,Medium,0.06172417859532683, https://leetcode.com/problems/spiral-matrix-ii
110,Balanced Binary Tree,43.5%,Easy,0.06153684147582857, https://leetcode.com/problems/balanced-binary-tree
61,Rotate List,30.0%,Medium,0.06047791896280124, https://leetcode.com/problems/rotate-list
384,Shuffle an Array,52.8%,Medium,0.05965241992885116, https://leetcode.com/problems/shuffle-an-array
630,Course Schedule III,33.5%,Hard,0.058581901624802396, https://leetcode.com/problems/course-schedule-iii
516,Longest Palindromic Subsequence,53.2%,Medium,0.058432099871092734, https://leetcode.com/problems/longest-palindromic-subsequence
417,Pacific Atlantic Water Flow,41.1%,Medium,0.057523844138186606, https://leetcode.com/problems/pacific-atlantic-water-flow
403,Frog Jump,39.7%,Hard,0.05741372523004705, https://leetcode.com/problems/frog-jump
950,Reveal Cards In Increasing Order,74.6%,Medium,0.056592185311170023, https://leetcode.com/problems/reveal-cards-in-increasing-order
653,Two Sum IV - Input is a BST,55.5%,Easy,0.055724721838100025, https://leetcode.com/problems/two-sum-iv-input-is-a-bst
703,Kth Largest Element in a Stream,49.7%,Easy,0.054472280837981495, https://leetcode.com/problems/kth-largest-element-in-a-stream
332,Reconstruct Itinerary,36.7%,Medium,0.053921416793820044, https://leetcode.com/problems/reconstruct-itinerary
1229,Meeting Scheduler,52.7%,Medium,0.053560323833736816, https://leetcode.com/problems/meeting-scheduler
140,Word Break II,32.6%,Hard,0.05343926880276723, https://leetcode.com/problems/word-break-ii
63,Unique Paths II,34.6%,Medium,0.05324937607387791, https://leetcode.com/problems/unique-paths-ii
286,Walls and Gates,54.5%,Medium,0.05155780966485001, https://leetcode.com/problems/walls-and-gates
681,Next Closest Time,45.0%,Medium,0.05045206096038863, https://leetcode.com/problems/next-closest-time
39,Combination Sum,56.1%,Medium,0.05030398316850793, https://leetcode.com/problems/combination-sum
235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.050282057186910374, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
387,First Unique Character in a String,53.4%,Easy,0.05010248394501295, https://leetcode.com/problems/first-unique-character-in-a-string
199,Binary Tree Right Side View,54.1%,Medium,0.05001737032794516, https://leetcode.com/problems/binary-tree-right-side-view
394,Decode String,50.0%,Medium,0.049980419824640375, https://leetcode.com/problems/decode-string
518,Coin Change 2,50.2%,Medium,0.04919528672454412, https://leetcode.com/problems/coin-change-2
969,Pancake Sorting,67.5%,Medium,0.04908961019652358, https://leetcode.com/problems/pancake-sorting
759,Employee Free Time,66.3%,Hard,0.04861224405509378, https://leetcode.com/problems/employee-free-time
38,Count and Say,44.6%,Easy,0.04795702191135356, https://leetcode.com/problems/count-and-say
26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0476757427679509, https://leetcode.com/problems/remove-duplicates-from-sorted-array
845,Longest Mountain in Array,37.2%,Medium,0.047458490406358134, https://leetcode.com/problems/longest-mountain-in-array
987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.04561794346101633, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
680,Valid Palindrome II,36.6%,Easy,0.04470617503841694, https://leetcode.com/problems/valid-palindrome-ii
935,Knight Dialer,45.2%,Medium,0.04445176257083384, https://leetcode.com/problems/knight-dialer
529,Minesweeper,59.1%,Medium,0.044255009004040724, https://leetcode.com/problems/minesweeper
733,Flood Fill,55.3%,Easy,0.04413292021115189, https://leetcode.com/problems/flood-fill
509,Fibonacci Number,67.2%,Easy,0.04365218172593638, https://leetcode.com/problems/fibonacci-number
490,The Maze,51.4%,Medium,0.04287902305923364, https://leetcode.com/problems/the-maze
721,Accounts Merge,48.8%,Medium,0.04200337458562934, https://leetcode.com/problems/accounts-merge
532,K-diff Pairs in an Array,31.6%,Easy,0.041672696400568025, https://leetcode.com/problems/k-diff-pairs-in-an-array
844,Backspace String Compare,46.4%,Easy,0.041499730906752734, https://leetcode.com/problems/backspace-string-compare
381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.041499730906752734, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
1004,Max Consecutive Ones III,59.1%,Medium,0.041252411938220004, https://leetcode.com/problems/max-consecutive-ones-iii
62,Unique Paths,54.1%,Medium,0.04084052144450833, https://leetcode.com/problems/unique-paths
243,Shortest Word Distance,61.0%,Easy,0.040780370344928096, https://leetcode.com/problems/shortest-word-distance
907,Sum of Subarray Minimums,32.3%,Medium,0.04069737616380998, https://leetcode.com/problems/sum-of-subarray-minimums
94,Binary Tree Inorder Traversal,63.3%,Medium,0.04034464989190718, https://leetcode.com/problems/binary-tree-inorder-traversal
142,Linked List Cycle II,37.3%,Medium,0.04034106216103786, https://leetcode.com/problems/linked-list-cycle-ii
314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.04007660092703385, https://leetcode.com/problems/binary-tree-vertical-order-traversal
833,Find And Replace in String,50.4%,Medium,0.03984590854719967, https://leetcode.com/problems/find-and-replace-in-string
113,Path Sum II,46.7%,Medium,0.03857758982167768, https://leetcode.com/problems/path-sum-ii
1381,Design a Stack With Increment Operation,74.7%,Medium,0.038355612390321446, https://leetcode.com/problems/design-a-stack-with-increment-operation
560,Subarray Sum Equals K,43.9%,Medium,0.037871360699521406, https://leetcode.com/problems/subarray-sum-equals-k
402,Remove K Digits,28.4%,Medium,0.03755134565213245, https://leetcode.com/problems/remove-k-digits
19,Remove Nth Node From End of List,35.2%,Medium,0.03704967488869408, https://leetcode.com/problems/remove-nth-node-from-end-of-list
31,Next Permutation,32.6%,Medium,0.03686102113159897, https://leetcode.com/problems/next-permutation
621,Task Scheduler,50.1%,Medium,0.036825978166247095, https://leetcode.com/problems/task-scheduler
729,My Calendar I,51.8%,Medium,0.036433902246102004, https://leetcode.com/problems/my-calendar-i
934,Shortest Bridge,48.2%,Medium,0.03607244121670154, https://leetcode.com/problems/shortest-bridge
1304,Find N Unique Integers Sum up to Zero,76.3%,Easy,0.035408891906255915, https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
28,Implement strStr(),34.5%,Easy,0.03494144277828229, https://leetcode.com/problems/implement-strstr
1143,Longest Common Subsequence,58.4%,Medium,0.03488472325916733, https://leetcode.com/problems/longest-common-subsequence
701,Insert into a Binary Search Tree,77.7%,Medium,0.03459222693591465, https://leetcode.com/problems/insert-into-a-binary-search-tree
108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.03421710570764629, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
104,Maximum Depth of Binary Tree,66.0%,Easy,0.03362699323605452, https://leetcode.com/problems/maximum-depth-of-binary-tree
198,House Robber,42.0%,Easy,0.033320991026093004, https://leetcode.com/problems/house-robber
84,Largest Rectangle in Histogram,35.2%,Hard,0.032938342019369966, https://leetcode.com/problems/largest-rectangle-in-histogram
694,Number of Distinct Islands,56.0%,Medium,0.03278982282299087, https://leetcode.com/problems/number-of-distinct-islands
1091,Shortest Path in Binary Matrix,38.2%,Medium,0.03164821095078173, https://leetcode.com/problems/shortest-path-in-binary-matrix
228,Summary Ranges,39.5%,Medium,0.03157326191609021, https://leetcode.com/problems/summary-ranges
867,Transpose Matrix,62.8%,Easy,0.031179454774354007, https://leetcode.com/problems/transpose-matrix
284,Peeking Iterator,45.7%,Medium,0.03110670713225487, https://leetcode.com/problems/peeking-iterator
131,Palindrome Partitioning,47.5%,Medium,0.03101558050692165, https://leetcode.com/problems/palindrome-partitioning
141,Linked List Cycle,41.1%,Easy,0.031012908394529512, https://leetcode.com/problems/linked-list-cycle
724,Find Pivot Index,44.0%,Easy,0.03089844155123413, https://leetcode.com/problems/find-pivot-index
575,Distribute Candies,61.4%,Easy,0.030890487019338404, https://leetcode.com/problems/distribute-candies
415,Add Strings,47.5%,Easy,0.030009753867991852, https://leetcode.com/problems/add-strings
692,Top K Frequent Words,51.8%,Medium,0.029730915184679466, https://leetcode.com/problems/top-k-frequent-words
1197,Minimum Knight Moves,36.1%,Medium,0.02969780239174205, https://leetcode.com/problems/minimum-knight-moves
917,Reverse Only Letters,58.0%,Easy,0.0286552557603761, https://leetcode.com/problems/reverse-only-letters
311,Sparse Matrix Multiplication,61.9%,Medium,0.027702602549335792, https://leetcode.com/problems/sparse-matrix-multiplication
472,Concatenated Words,43.7%,Hard,0.027664281472355556, https://leetcode.com/problems/concatenated-words
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
523,Continuous Subarray Sum,24.6%,Medium,0.02639449412294209, https://leetcode.com/problems/continuous-subarray-sum
34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.026256496787488606, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
979,Distribute Coins in Binary Tree,68.9%,Medium,0.026196651946570663, https://leetcode.com/problems/distribute-coins-in-binary-tree
205,Isomorphic Strings,39.8%,Easy,0.025789394882914186, https://leetcode.com/problems/isomorphic-strings
242,Valid Anagram,56.9%,Easy,0.025684584297773504, https://leetcode.com/problems/valid-anagram
1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.025446665661164262, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
717,1-bit and 2-bit Characters,48.8%,Easy,0.025269822188076344, https://leetcode.com/problems/1-bit-and-2-bit-characters
83,Remove Duplicates from Sorted List,45.4%,Easy,0.025174394259350617, https://leetcode.com/problems/remove-duplicates-from-sorted-list
215,Kth Largest Element in an Array,55.4%,Medium,0.02414409892936099, https://leetcode.com/problems/kth-largest-element-in-an-array
662,Maximum Width of Binary Tree,41.0%,Medium,0.024116924478312346, https://leetcode.com/problems/maximum-width-of-binary-tree
91,Decode Ways,24.7%,Medium,0.023662742620848144, https://leetcode.com/problems/decode-ways
210,Course Schedule II,40.7%,Medium,0.023133880315464483, https://leetcode.com/problems/course-schedule-ii
282,Expression Add Operators,35.5%,Hard,0.022523474667082946, https://leetcode.com/problems/expression-add-operators
981,Time Based Key-Value Store,53.1%,Medium,0.02226024024151985, https://leetcode.com/problems/time-based-key-value-store
152,Maximum Product Subarray,31.7%,Medium,0.022176931045949227, https://leetcode.com/problems/maximum-product-subarray
40,Combination Sum II,48.2%,Medium,0.021424290044083395, https://leetcode.com/problems/combination-sum-ii
101,Symmetric Tree,46.8%,Easy,0.02109782896463587, https://leetcode.com/problems/symmetric-tree
784,Letter Case Permutation,64.6%,Medium,0.02026411791905559, https://leetcode.com/problems/letter-case-permutation
344,Reverse String,68.5%,Easy,0.02026165432744944, https://leetcode.com/problems/reverse-string
166,Fraction to Recurring Decimal,21.6%,Medium,0.02015181543730795, https://leetcode.com/problems/fraction-to-recurring-decimal
341,Flatten Nested List Iterator,52.9%,Medium,0.019980684690483426, https://leetcode.com/problems/flatten-nested-list-iterator
399,Evaluate Division,51.6%,Medium,0.019380451549662482, https://leetcode.com/problems/evaluate-division
669,Trim a Binary Search Tree,63.0%,Easy,0.019139340210697423, https://leetcode.com/problems/trim-a-binary-search-tree
515,Find Largest Value in Each Tree Row,61.1%,Medium,0.019093658815579673, https://leetcode.com/problems/find-largest-value-in-each-tree-row
1155,Number of Dice Rolls With Target Sum,49.0%,Medium,0.018904154639152678, https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
169,Majority Element,58.7%,Easy,0.018694317054881164, https://leetcode.com/problems/majority-element
290,Word Pattern,37.0%,Easy,0.01839978311884168, https://leetcode.com/problems/word-pattern
283,Move Zeroes,57.8%,Easy,0.01789853050377608, https://leetcode.com/problems/move-zeroes
406,Queue Reconstruction by Height,66.9%,Medium,0.01774669468133533, https://leetcode.com/problems/queue-reconstruction-by-height
383,Ransom Note,53.1%,Easy,0.017621601349819518, https://leetcode.com/problems/ransom-note
872,Leaf-Similar Trees,64.5%,Easy,0.01752125418714782, https://leetcode.com/problems/leaf-similar-trees
993,Cousins in Binary Tree,52.0%,Easy,0.017414458368636587, https://leetcode.com/problems/cousins-in-binary-tree
6,ZigZag Conversion,36.3%,Medium,0.01726827253226344, https://leetcode.com/problems/zigzag-conversion
270,Closest Binary Search Tree Value,48.5%,Easy,0.017123706078591462, https://leetcode.com/problems/closest-binary-search-tree-value
994,Rotting Oranges,49.2%,Medium,0.017087941897195622, https://leetcode.com/problems/rotting-oranges
95,Unique Binary Search Trees II,40.6%,Medium,0.016856699181010838, https://leetcode.com/problems/unique-binary-search-trees-ii
7,Reverse Integer,25.8%,Easy,0.016627790608488954, https://leetcode.com/problems/reverse-integer
51,N-Queens,46.6%,Hard,0.016393809775676407, https://leetcode.com/problems/n-queens
71,Simplify Path,32.6%,Medium,0.016260520871780308, https://leetcode.com/problems/simplify-path
349,Intersection of Two Arrays,62.5%,Easy,0.016239981598488416, https://leetcode.com/problems/intersection-of-two-arrays
299,Bulls and Cows,42.4%,Easy,0.016227536621756702, https://leetcode.com/problems/bulls-and-cows
448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.015377032870589537, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
707,Design Linked List,24.5%,Medium,0.015054857167065819, https://leetcode.com/problems/design-linked-list
832,Flipping an Image,76.2%,Easy,0.014652276786870392, https://leetcode.com/problems/flipping-an-image
150,Evaluate Reverse Polish Notation,36.3%,Medium,0.01413451093490476, https://leetcode.com/problems/evaluate-reverse-polish-notation
202,Happy Number,50.4%,Easy,0.014045174703047602, https://leetcode.com/problems/happy-number
222,Count Complete Tree Nodes,46.8%,Medium,0.014015646388344492, https://leetcode.com/problems/count-complete-tree-nodes
1192,Critical Connections in a Network,48.6%,Hard,0.01352742981715631, https://leetcode.com/problems/critical-connections-in-a-network
70,Climbing Stairs,47.8%,Easy,0.013494975575004323, https://leetcode.com/problems/climbing-stairs
329,Longest Increasing Path in a Matrix,43.4%,Hard,0.013400535537482126, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
347,Top K Frequent Elements,61.2%,Medium,0.01329217620893675, https://leetcode.com/problems/top-k-frequent-elements
303,Range Sum Query - Immutable,44.7%,Easy,0.013240842236997532, https://leetcode.com/problems/range-sum-query-immutable
14,Longest Common Prefix,35.4%,Easy,0.013215687512885701, https://leetcode.com/problems/longest-common-prefix
82,Remove Duplicates from Sorted List II,36.8%,Medium,0.01297035044262745, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
219,Contains Duplicate II,37.7%,Easy,0.01276748910345265, https://leetcode.com/problems/contains-duplicate-ii
226,Invert Binary Tree,65.0%,Easy,0.01235091863400913, https://leetcode.com/problems/invert-binary-tree
547,Friend Circles,58.6%,Medium,0.012228828639434596, https://leetcode.com/problems/friend-circles
437,Path Sum III,47.2%,Medium,0.012128711446614806, https://leetcode.com/problems/path-sum-iii
278,First Bad Version,35.7%,Easy,0.012090421323816148, https://leetcode.com/problems/first-bad-version
300,Longest Increasing Subsequence,42.6%,Medium,0.011806512586989004, https://leetcode.com/problems/longest-increasing-subsequence
136,Single Number,65.5%,Easy,0.011429512235126808, https://leetcode.com/problems/single-number
785,Is Graph Bipartite?,47.5%,Medium,0.011236073266925854, https://leetcode.com/problems/is-graph-bipartite
463,Island Perimeter,65.7%,Easy,0.010935046086198837, https://leetcode.com/problems/island-perimeter
430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,0.010548621020744619, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
647,Palindromic Substrings,60.6%,Medium,0.010400509768078022, https://leetcode.com/problems/palindromic-substrings
739,Daily Temperatures,63.3%,Medium,0.010032690121814417, https://leetcode.com/problems/daily-temperatures
72,Edit Distance,44.8%,Hard,0.010017614452317782, https://leetcode.com/problems/edit-distance
221,Maximal Square,37.7%,Medium,0.00988638798855515, https://leetcode.com/problems/maximal-square
18,4Sum,33.7%,Medium,0.00984259914419414, https://leetcode.com/problems/4sum
47,Permutations II,46.4%,Medium,0.009673594178378379, https://leetcode.com/problems/permutations-ii
96,Unique Binary Search Trees,52.9%,Medium,0.009242209964820877, https://leetcode.com/problems/unique-binary-search-trees
279,Perfect Squares,47.4%,Medium,0.009216655104924008, https://leetcode.com/problems/perfect-squares
1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.009195467093100304, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
209,Minimum Size Subarray Sum,38.2%,Medium,0.00841401682484616, https://leetcode.com/problems/minimum-size-subarray-sum
78,Subsets,62.0%,Medium,0.008278192969371254, https://leetcode.com/problems/subsets
876,Middle of the Linked List,68.4%,Easy,0.007624893975696915, https://leetcode.com/problems/middle-of-the-linked-list
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
938,Range Sum of BST,81.3%,Easy,0.007011422237803984, https://leetcode.com/problems/range-sum-of-bst
114,Flatten Binary Tree to Linked List,49.3%,Medium,0.006896579059060353, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
11,Container With Most Water,50.8%,Medium,0.006889188300412141, https://leetcode.com/problems/container-with-most-water
118,Pascal's Triangle,52.5%,Easy,0.006749941254175012, https://leetcode.com/problems/pascals-triangle
162,Find Peak Element,43.3%,Medium,0.006350235659345837, https://leetcode.com/problems/find-peak-element
64,Minimum Path Sum,54.5%,Medium,0.006127470152097104, https://leetcode.com/problems/minimum-path-sum
144,Binary Tree Preorder Traversal,55.7%,Medium,0.0060975798681185, https://leetcode.com/problems/binary-tree-preorder-traversal
973,K Closest Points to Origin,63.8%,Medium,0.005773688094426333, https://leetcode.com/problems/k-closest-points-to-origin
50,Pow(x, n),30.3%,Medium,0.0055950070772402055, https://leetcode.com/problems/powx-n
167,Two Sum II - Input array is sorted,54.1%,Easy,0.005507380022589096, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
112,Path Sum,41.2%,Easy,0.00546972510956646, https://leetcode.com/problems/path-sum
106,Construct Binary Tree from Inorder and Postorder Traversal,47.2%,Medium,0.005258250021550252, https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
350,Intersection of Two Arrays II,51.4%,Easy,0.005210380421193978, https://leetcode.com/problems/intersection-of-two-arrays-ii
55,Jump Game,34.6%,Medium,0.005022612266291382, https://leetcode.com/problems/jump-game
35,Search Insert Position,42.6%,Easy,0.004646848510375352, https://leetcode.com/problems/search-insert-position
1470,Shuffle the Array,88.9%,Easy,0.004527967890154029, https://leetcode.com/problems/shuffle-the-array
977,Squares of a Sorted Array,72.1%,Easy,0.003891055492966611, https://leetcode.com/problems/squares-of-a-sorted-array
217,Contains Duplicate,56.0%,Easy,0.0037979536727587773, https://leetcode.com/problems/contains-duplicate
100,Same Tree,53.4%,Easy,0.003165227373565798, https://leetcode.com/problems/same-tree
9,Palindrome Number,48.4%,Easy,0.0030379001110948244, https://leetcode.com/problems/palindrome-number
1344,Angle Between Hands of a Clock,61.4%,Medium,0.0019544616795205403, https://leetcode.com/problems/angle-between-hands-of-a-clock
1 1239 Maximum Length of a Concatenated String with Unique Characters 47.8% Medium 1.08746055306763 https://leetcode.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters
2 273 Integer to English Words 27.1% Hard 1.0184313643647775 https://leetcode.com/problems/integer-to-english-words
3 146 LRU Cache 33.2% Medium 0.9494021756619252 https://leetcode.com/problems/lru-cache
4 348 Design Tic-Tac-Toe 54.3% Medium 0.8803729869590728 https://leetcode.com/problems/design-tic-tac-toe
5 138 Copy List with Random Pointer 36.4% Medium 0.8113437982562205 https://leetcode.com/problems/copy-list-with-random-pointer
6 54 Spiral Matrix 34.1% Medium 0.7684855384560624 https://leetcode.com/problems/spiral-matrix
7 428 Serialize and Deserialize N-ary Tree 59.4% Hard 0.69945634975321 https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
8 1246 Palindrome Removal 46.0% Hard 0.6794349186959634 https://leetcode.com/problems/palindrome-removal
9 200 Number of Islands 46.8% Medium 0.6346004158660578 https://leetcode.com/problems/number-of-islands
10 794 Valid Tic-Tac-Toe State 32.6% Medium 0.6257058997644127 https://leetcode.com/problems/valid-tic-tac-toe-state
11 42 Trapping Rain Water 48.9% Hard 0.6176631383787123 https://leetcode.com/problems/trapping-rain-water
12 1 Two Sum 45.6% Easy 0.5816196797969626 https://leetcode.com/problems/two-sum
13 218 The Skyline Problem 34.6% Hard 0.5769757487979034 https://leetcode.com/problems/the-skyline-problem
14 134 Gas Station 38.5% Medium 0.5687668431527801 https://leetcode.com/problems/gas-station
15 25 Reverse Nodes in k-Group 42.1% Hard 0.5548019913650492 https://leetcode.com/problems/reverse-nodes-in-k-group
16 5 Longest Palindromic Substring 29.5% Medium 0.5535093105833294 https://leetcode.com/problems/longest-palindromic-substring
17 212 Word Search II 34.9% Hard 0.5393056293017195 https://leetcode.com/problems/word-search-ii
18 1156 Swap For Longest Repeated Character Substring 49.0% Medium 0.538996500732687 https://leetcode.com/problems/swap-for-longest-repeated-character-substring
19 340 Longest Substring with At Most K Distinct Characters 44.1% Hard 0.5227814976619829 https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
20 545 Boundary of Binary Tree 38.9% Medium 0.5184398737512361 https://leetcode.com/problems/boundary-of-binary-tree
21 23 Merge k Sorted Lists 40.2% Hard 0.49122961269552146 https://leetcode.com/problems/merge-k-sorted-lists
22 510 Inorder Successor in BST II 58.0% Medium 0.47332739722482975 https://leetcode.com/problems/inorder-successor-in-bst-ii
23 93 Restore IP Addresses 35.6% Medium 0.47237108409270245 https://leetcode.com/problems/restore-ip-addresses
24 443 String Compression 41.3% Easy 0.4648256809530135 https://leetcode.com/problems/string-compression
25 99 Recover Binary Search Tree 39.7% Hard 0.4602395756064721 https://leetcode.com/problems/recover-binary-search-tree
26 468 Validate IP Address 24.1% Medium 0.44558510189758965 https://leetcode.com/problems/validate-ip-address
27 98 Validate Binary Search Tree 27.8% Medium 0.4300234886494738 https://leetcode.com/problems/validate-binary-search-tree
28 445 Add Two Numbers II 54.5% Medium 0.4214654494546055 https://leetcode.com/problems/add-two-numbers-ii
29 297 Serialize and Deserialize Binary Tree 47.5% Hard 0.41418643622197904 https://leetcode.com/problems/serialize-and-deserialize-binary-tree
30 557 Reverse Words in a String III 69.8% Easy 0.4039661167637743 https://leetcode.com/problems/reverse-words-in-a-string-iii
31 679 24 Game 46.4% Hard 0.4013413909243023 https://leetcode.com/problems/24-game
32 240 Search a 2D Matrix II 43.2% Medium 0.3968649595445255 https://leetcode.com/problems/search-a-2d-matrix-ii
33 232 Implement Queue using Stacks 49.6% Easy 0.39046720002438196 https://leetcode.com/problems/implement-queue-using-stacks
34 253 Meeting Rooms II 45.7% Medium 0.37589684188619144 https://leetcode.com/problems/meeting-rooms-ii
35 470 Implement Rand10() Using Rand7() 46.3% Medium 0.3746934494414107 https://leetcode.com/problems/implement-rand10-using-rand7
36 22 Generate Parentheses 62.7% Medium 0.36260140367638205 https://leetcode.com/problems/generate-parentheses
37 127 Word Ladder 29.6% Medium 0.35996786713577755 https://leetcode.com/problems/word-ladder
38 179 Largest Number 28.8% Medium 0.35230239652612316 https://leetcode.com/problems/largest-number
39 1185 Day of the Week 64.0% Easy 0.34898886906784754 https://leetcode.com/problems/day-of-the-week
40 116 Populating Next Right Pointers in Each Node 45.2% Medium 0.34657253966731805 https://leetcode.com/problems/populating-next-right-pointers-in-each-node
41 1044 Longest Duplicate Substring 31.9% Hard 0.3378493311698002 https://leetcode.com/problems/longest-duplicate-substring
42 1236 Web Crawler 64.3% Medium 0.33647223662121295 https://leetcode.com/problems/web-crawler
43 431 Encode N-ary Tree to Binary Tree 70.8% Hard 0.3308542443169896 https://leetcode.com/problems/encode-n-ary-tree-to-binary-tree
44 535 Encode and Decode TinyURL 79.9% Medium 0.32631517792451364 https://leetcode.com/problems/encode-and-decode-tinyurl
45 236 Lowest Common Ancestor of a Binary Tree 45.7% Medium 0.32407608535777543 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
46 450 Delete Node in a BST 43.1% Medium 0.3212561617242367 https://leetcode.com/problems/delete-node-in-a-bst
47 53 Maximum Subarray 46.5% Easy 0.3123508739120354 https://leetcode.com/problems/maximum-subarray
48 206 Reverse Linked List 62.5% Easy 0.31191034127655376 https://leetcode.com/problems/reverse-linked-list
49 105 Construct Binary Tree from Preorder and Inorder Traversal 48.8% Medium 0.30838486636029755 https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
50 33 Search in Rotated Sorted Array 34.5% Medium 0.3050410442923499 https://leetcode.com/problems/search-in-rotated-sorted-array
51 21 Merge Two Sorted Lists 53.5% Easy 0.30215325354971423 https://leetcode.com/problems/merge-two-sorted-lists
52 828 Count Unique Characters of All Substrings of a Given String 45.2% Hard 0.2972515234679316 https://leetcode.com/problems/count-unique-characters-of-all-substrings-of-a-given-string
53 44 Wildcard Matching 24.7% Hard 0.29635426006094184 https://leetcode.com/problems/wildcard-matching
54 155 Min Stack 44.5% Easy 0.29559427979545205 https://leetcode.com/problems/min-stack
55 8 String to Integer (atoi) 15.4% Medium 0.2948520886157078 https://leetcode.com/problems/string-to-integer-atoi
56 74 Search a 2D Matrix 36.5% Medium 0.29107845681405486 https://leetcode.com/problems/search-a-2d-matrix
57 767 Reorganize String 48.7% Medium 0.288685584829021 https://leetcode.com/problems/reorganize-string
58 186 Reverse Words in a String II 43.3% Medium 0.2811673914305872 https://leetcode.com/problems/reverse-words-in-a-string-ii
59 17 Letter Combinations of a Phone Number 46.8% Medium 0.27667543227352387 https://leetcode.com/problems/letter-combinations-of-a-phone-number
60 124 Binary Tree Maximum Path Sum 34.3% Hard 0.2715704477876847 https://leetcode.com/problems/binary-tree-maximum-path-sum
61 46 Permutations 63.5% Medium 0.2664106369752992 https://leetcode.com/problems/permutations
62 556 Next Greater Element III 31.7% Medium 0.2619035411237044 https://leetcode.com/problems/next-greater-element-iii
63 37 Sudoku Solver 43.6% Hard 0.2578291093020998 https://leetcode.com/problems/sudoku-solver
64 2 Add Two Numbers 33.9% Medium 0.2512393123206071 https://leetcode.com/problems/add-two-numbers
65 56 Merge Intervals 39.3% Medium 0.24825608514370837 https://leetcode.com/problems/merge-intervals
66 622 Design Circular Queue 43.8% Medium 0.2454927324105261 https://leetcode.com/problems/design-circular-queue
67 642 Design Search Autocomplete System 44.7% Hard 0.2443999668520736 https://leetcode.com/problems/design-search-autocomplete-system
68 277 Find the Celebrity 41.8% Medium 0.24003104821376078 https://leetcode.com/problems/find-the-celebrity
69 419 Battleships in a Board 70.0% Medium 0.23987034511952326 https://leetcode.com/problems/battleships-in-a-board
70 772 Basic Calculator III 41.3% Hard 0.2322522675124501 https://leetcode.com/problems/basic-calculator-iii
71 224 Basic Calculator 36.8% Hard 0.23074173054528113 https://leetcode.com/problems/basic-calculator
72 722 Remove Comments 34.6% Medium 0.2297333609932653 https://leetcode.com/problems/remove-comments
73 768 Max Chunks To Make Sorted II 48.7% Hard 0.22767870647960103 https://leetcode.com/problems/max-chunks-to-make-sorted-ii
74 4 Median of Two Sorted Arrays 29.6% Hard 0.22322170378972916 https://leetcode.com/problems/median-of-two-sorted-arrays
75 49 Group Anagrams 56.9% Medium 0.21827224887849583 https://leetcode.com/problems/group-anagrams
76 457 Circular Array Loop 29.4% Medium 0.21472498084861397 https://leetcode.com/problems/circular-array-loop
77 295 Find Median from Data Stream 44.3% Hard 0.2037476209666304 https://leetcode.com/problems/find-median-from-data-stream
78 24 Swap Nodes in Pairs 50.4% Medium 0.20268288262258685 https://leetcode.com/problems/swap-nodes-in-pairs
79 151 Reverse Words in a String 21.9% Medium 0.2001390038307645 https://leetcode.com/problems/reverse-words-in-a-string
80 238 Product of Array Except Self 60.1% Medium 0.2000977065033704 https://leetcode.com/problems/product-of-array-except-self
81 1375 Bulb Switcher III 62.6% Medium 0.19622624370172712 https://leetcode.com/problems/bulb-switcher-iii
82 358 Rearrange String k Distance Apart 34.9% Hard 0.19004360288786493 https://leetcode.com/problems/rearrange-string-k-distance-apart
83 20 Valid Parentheses 39.0% Easy 0.18885474565167532 https://leetcode.com/problems/valid-parentheses
84 102 Binary Tree Level Order Traversal 54.6% Medium 0.18653553583602958 https://leetcode.com/problems/binary-tree-level-order-traversal
85 225 Implement Stack using Queues 45.1% Easy 0.18487389839959817 https://leetcode.com/problems/implement-stack-using-queues
86 460 LFU Cache 34.2% Hard 0.1794347945215637 https://leetcode.com/problems/lfu-cache
87 41 First Missing Positive 32.0% Hard 0.17778213804791693 https://leetcode.com/problems/first-missing-positive
88 773 Sliding Puzzle 59.3% Hard 0.17627924233799203 https://leetcode.com/problems/sliding-puzzle
89 121 Best Time to Buy and Sell Stock 50.5% Easy 0.17553909756240016 https://leetcode.com/problems/best-time-to-buy-and-sell-stock
90 139 Word Break 40.1% Medium 0.17496192304962033 https://leetcode.com/problems/word-break
91 636 Exclusive Time of Functions 51.9% Medium 0.17494800586305592 https://leetcode.com/problems/exclusive-time-of-functions
92 103 Binary Tree Zigzag Level Order Traversal 48.3% Medium 0.17270709623176486 https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
93 36 Valid Sudoku 48.7% Medium 0.16730621375459595 https://leetcode.com/problems/valid-sudoku
94 10 Regular Expression Matching 26.8% Hard 0.16577722888540247 https://leetcode.com/problems/regular-expression-matching
95 68 Text Justification 27.7% Hard 0.16143214434637243 https://leetcode.com/problems/text-justification
96 540 Single Element in a Sorted Array 57.9% Medium 0.16091725953613234 https://leetcode.com/problems/single-element-in-a-sorted-array
97 716 Max Stack 42.6% Easy 0.16082720489992372 https://leetcode.com/problems/max-stack
98 3 Longest Substring Without Repeating Characters 30.4% Medium 0.15840625330250555 https://leetcode.com/problems/longest-substring-without-repeating-characters
99 85 Maximal Rectangle 37.7% Hard 0.15223129344145475 https://leetcode.com/problems/maximal-rectangle
100 126 Word Ladder II 22.1% Hard 0.15135837956172798 https://leetcode.com/problems/word-ladder-ii
101 362 Design Hit Counter 63.7% Medium 0.1489960292385938 https://leetcode.com/problems/design-hit-counter
102 706 Design HashMap 61.3% Easy 0.1476880076475794 https://leetcode.com/problems/design-hashmap
103 15 3Sum 26.8% Medium 0.14760362429774962 https://leetcode.com/problems/3sum
104 168 Excel Sheet Column Title 31.1% Easy 0.14624550032014502 https://leetcode.com/problems/excel-sheet-column-title
105 688 Knight Probability in Chessboard 48.9% Medium 0.14465605390747982 https://leetcode.com/problems/knight-probability-in-chessboard
106 909 Snakes and Ladders 38.4% Medium 0.14465605390747982 https://leetcode.com/problems/snakes-and-ladders
107 48 Rotate Image 56.7% Medium 0.1436966644013734 https://leetcode.com/problems/rotate-image
108 863 All Nodes Distance K in Binary Tree 55.4% Medium 0.14315784643382565 https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
109 836 Rectangle Overlap 48.6% Easy 0.14261022668001652 https://leetcode.com/problems/rectangle-overlap
110 75 Sort Colors 47.3% Medium 0.14097981038702445 https://leetcode.com/problems/sort-colors
111 207 Course Schedule 43.1% Medium 0.1402270159030123 https://leetcode.com/problems/course-schedule
112 702 Search in a Sorted Array of Unknown Size 66.9% Medium 0.13783247452391326 https://leetcode.com/problems/search-in-a-sorted-array-of-unknown-size
113 88 Merge Sorted Array 39.4% Easy 0.13778071743544493 https://leetcode.com/problems/merge-sorted-array
114 1136 Parallel Courses 61.1% Hard 0.13720112151348504 https://leetcode.com/problems/parallel-courses
115 128 Longest Consecutive Sequence 45.1% Hard 0.13583040733187832 https://leetcode.com/problems/longest-consecutive-sequence
116 143 Reorder List 37.1% Medium 0.13338577922783287 https://leetcode.com/problems/reorder-list
117 73 Set Matrix Zeroes 43.1% Medium 0.1332673662203486 https://leetcode.com/problems/set-matrix-zeroes
118 449 Serialize and Deserialize BST 52.0% Medium 0.1327502812764459 https://leetcode.com/problems/serialize-and-deserialize-bst
119 285 Inorder Successor in BST 40.4% Medium 0.13204807962078746 https://leetcode.com/problems/inorder-successor-in-bst
120 148 Sort List 42.3% Medium 0.1292970884857343 https://leetcode.com/problems/sort-list
121 173 Binary Search Tree Iterator 56.6% Medium 0.1278674715252332 https://leetcode.com/problems/binary-search-tree-iterator
122 528 Random Pick with Weight 43.9% Medium 0.12617342152539626 https://leetcode.com/problems/random-pick-with-weight
123 315 Count of Smaller Numbers After Self 41.5% Hard 0.12231037767091538 https://leetcode.com/problems/count-of-smaller-numbers-after-self
124 135 Candy 31.6% Hard 0.11408368723037224 https://leetcode.com/problems/candy
125 1188 Design Bounded Blocking Queue 70.5% Medium 0.11030454201470608 https://leetcode.com/problems/design-bounded-blocking-queue
126 269 Alien Dictionary 33.3% Hard 0.10913301925275698 https://leetcode.com/problems/alien-dictionary
127 695 Max Area of Island 62.7% Medium 0.10876995385464024 https://leetcode.com/problems/max-area-of-island
128 204 Count Primes 31.5% Easy 0.10755824083435236 https://leetcode.com/problems/count-primes
129 346 Moving Average from Data Stream 70.9% Easy 0.10562785959739482 https://leetcode.com/problems/moving-average-from-data-stream
130 158 Read N Characters Given Read4 II - Call multiple times 33.8% Hard 0.10090468412429855 https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
131 69 Sqrt(x) 33.9% Easy 0.09855995053811686 https://leetcode.com/problems/sqrtx
132 117 Populating Next Right Pointers in Each Node II 39.1% Medium 0.09811785595852335 https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
133 189 Rotate Array 34.7% Easy 0.09617246233782387 https://leetcode.com/problems/rotate-array
134 149 Max Points on a Line 16.9% Hard 0.09588177170328253 https://leetcode.com/problems/max-points-on-a-line
135 160 Intersection of Two Linked Lists 40.6% Easy 0.09485223529696123 https://leetcode.com/problems/intersection-of-two-linked-lists
136 165 Compare Version Numbers 27.4% Medium 0.09483978737982436 https://leetcode.com/problems/compare-version-numbers
137 268 Missing Number 51.7% Easy 0.0944647771866196 https://leetcode.com/problems/missing-number
138 426 Convert Binary Search Tree to Sorted Doubly Linked List 59.1% Medium 0.09352605801082346 https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
139 727 Minimum Window Subsequence 41.8% Hard 0.09294611250944432 https://leetcode.com/problems/minimum-window-subsequence
140 239 Sliding Window Maximum 43.0% Hard 0.09271146326206103 https://leetcode.com/problems/sliding-window-maximum
141 266 Palindrome Permutation 61.9% Easy 0.091248671465145 https://leetcode.com/problems/palindrome-permutation
142 252 Meeting Rooms 54.6% Easy 0.09020195522698488 https://leetcode.com/problems/meeting-rooms
143 92 Reverse Linked List II 38.8% Medium 0.0901510969942975 https://leetcode.com/problems/reverse-linked-list-ii
144 567 Permutation in String 44.4% Medium 0.08995633353390375 https://leetcode.com/problems/permutation-in-string
145 79 Word Search 35.6% Medium 0.08958359637385262 https://leetcode.com/problems/word-search
146 1116 Print Zero Even Odd 56.0% Medium 0.08934510033584994 https://leetcode.com/problems/print-zero-even-odd
147 380 Insert Delete GetRandom O(1) 47.5% Medium 0.08509738264123867 https://leetcode.com/problems/insert-delete-getrandom-o1
148 317 Shortest Distance from All Buildings 41.4% Hard 0.08345897538526194 https://leetcode.com/problems/shortest-distance-from-all-buildings
149 45 Jump Game II 30.6% Hard 0.08280590368423257 https://leetcode.com/problems/jump-game-ii
150 13 Roman to Integer 55.7% Easy 0.08237818622149326 https://leetcode.com/problems/roman-to-integer
151 543 Diameter of Binary Tree 48.4% Easy 0.0816884620507733 https://leetcode.com/problems/diameter-of-binary-tree
152 89 Gray Code 49.1% Medium 0.08112554481236843 https://leetcode.com/problems/gray-code
153 43 Multiply Strings 33.9% Medium 0.07944184170158367 https://leetcode.com/problems/multiply-strings
154 32 Longest Valid Parentheses 28.4% Hard 0.07916219339634281 https://leetcode.com/problems/longest-valid-parentheses
155 208 Implement Trie (Prefix Tree) 49.4% Medium 0.07910997849332738 https://leetcode.com/problems/implement-trie-prefix-tree
156 322 Coin Change 35.5% Medium 0.07859731751631634 https://leetcode.com/problems/coin-change
157 1104 Path In Zigzag Labelled Binary Tree 72.0% Medium 0.07786032177227234 https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree
158 125 Valid Palindrome 36.7% Easy 0.07766984472754161 https://leetcode.com/problems/valid-palindrome
159 129 Sum Root to Leaf Numbers 49.1% Medium 0.07707974254287937 https://leetcode.com/problems/sum-root-to-leaf-numbers
160 77 Combinations 54.7% Medium 0.07597820557665204 https://leetcode.com/problems/combinations
161 227 Basic Calculator II 36.9% Medium 0.07508779675444797 https://leetcode.com/problems/basic-calculator-ii
162 76 Minimum Window Substring 34.6% Hard 0.07378420845373558 https://leetcode.com/problems/minimum-window-substring
163 1079 Letter Tile Possibilities 75.4% Medium 0.07350246199292652 https://leetcode.com/problems/letter-tile-possibilities
164 153 Find Minimum in Rotated Sorted Array 45.1% Medium 0.07343579359779528 https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
165 133 Clone Graph 34.8% Medium 0.07095173597228444 https://leetcode.com/problems/clone-graph
166 438 Find All Anagrams in a String 43.3% Medium 0.07086789751218016 https://leetcode.com/problems/find-all-anagrams-in-a-string
167 442 Find All Duplicates in an Array 67.8% Medium 0.07083107135140704 https://leetcode.com/problems/find-all-duplicates-in-an-array
168 378 Kth Smallest Element in a Sorted Matrix 54.3% Medium 0.07059096970081927 https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
169 234 Palindrome Linked List 39.3% Easy 0.07018115380216305 https://leetcode.com/problems/palindrome-linked-list
170 432 All O`one Data Structure 32.4% Hard 0.06887402901251127 https://leetcode.com/problems/all-oone-data-structure
171 171 Excel Sheet Column Number 55.9% Easy 0.06799791190723256 https://leetcode.com/problems/excel-sheet-column-number
172 328 Odd Even Linked List 55.7% Medium 0.06677800280143044 https://leetcode.com/problems/odd-even-linked-list
173 1145 Binary Tree Coloring Game 51.2% Medium 0.06592172080482424 https://leetcode.com/problems/binary-tree-coloring-game
174 287 Find the Duplicate Number 55.5% Medium 0.06539148783312071 https://leetcode.com/problems/find-the-duplicate-number
175 769 Max Chunks To Make Sorted 54.8% Medium 0.06474752939415815 https://leetcode.com/problems/max-chunks-to-make-sorted
176 572 Subtree of Another Tree 44.1% Easy 0.0636184974149243 https://leetcode.com/problems/subtree-of-another-tree
177 412 Fizz Buzz 62.3% Easy 0.06271647386762642 https://leetcode.com/problems/fizz-buzz
178 59 Spiral Matrix II 53.9% Medium 0.06172417859532683 https://leetcode.com/problems/spiral-matrix-ii
179 110 Balanced Binary Tree 43.5% Easy 0.06153684147582857 https://leetcode.com/problems/balanced-binary-tree
180 61 Rotate List 30.0% Medium 0.06047791896280124 https://leetcode.com/problems/rotate-list
181 384 Shuffle an Array 52.8% Medium 0.05965241992885116 https://leetcode.com/problems/shuffle-an-array
182 630 Course Schedule III 33.5% Hard 0.058581901624802396 https://leetcode.com/problems/course-schedule-iii
183 516 Longest Palindromic Subsequence 53.2% Medium 0.058432099871092734 https://leetcode.com/problems/longest-palindromic-subsequence
184 417 Pacific Atlantic Water Flow 41.1% Medium 0.057523844138186606 https://leetcode.com/problems/pacific-atlantic-water-flow
185 403 Frog Jump 39.7% Hard 0.05741372523004705 https://leetcode.com/problems/frog-jump
186 950 Reveal Cards In Increasing Order 74.6% Medium 0.056592185311170023 https://leetcode.com/problems/reveal-cards-in-increasing-order
187 653 Two Sum IV - Input is a BST 55.5% Easy 0.055724721838100025 https://leetcode.com/problems/two-sum-iv-input-is-a-bst
188 703 Kth Largest Element in a Stream 49.7% Easy 0.054472280837981495 https://leetcode.com/problems/kth-largest-element-in-a-stream
189 332 Reconstruct Itinerary 36.7% Medium 0.053921416793820044 https://leetcode.com/problems/reconstruct-itinerary
190 1229 Meeting Scheduler 52.7% Medium 0.053560323833736816 https://leetcode.com/problems/meeting-scheduler
191 140 Word Break II 32.6% Hard 0.05343926880276723 https://leetcode.com/problems/word-break-ii
192 63 Unique Paths II 34.6% Medium 0.05324937607387791 https://leetcode.com/problems/unique-paths-ii
193 286 Walls and Gates 54.5% Medium 0.05155780966485001 https://leetcode.com/problems/walls-and-gates
194 681 Next Closest Time 45.0% Medium 0.05045206096038863 https://leetcode.com/problems/next-closest-time
195 39 Combination Sum 56.1% Medium 0.05030398316850793 https://leetcode.com/problems/combination-sum
196 235 Lowest Common Ancestor of a Binary Search Tree 49.9% Easy 0.050282057186910374 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
197 387 First Unique Character in a String 53.4% Easy 0.05010248394501295 https://leetcode.com/problems/first-unique-character-in-a-string
198 199 Binary Tree Right Side View 54.1% Medium 0.05001737032794516 https://leetcode.com/problems/binary-tree-right-side-view
199 394 Decode String 50.0% Medium 0.049980419824640375 https://leetcode.com/problems/decode-string
200 518 Coin Change 2 50.2% Medium 0.04919528672454412 https://leetcode.com/problems/coin-change-2
201 969 Pancake Sorting 67.5% Medium 0.04908961019652358 https://leetcode.com/problems/pancake-sorting
202 759 Employee Free Time 66.3% Hard 0.04861224405509378 https://leetcode.com/problems/employee-free-time
203 38 Count and Say 44.6% Easy 0.04795702191135356 https://leetcode.com/problems/count-and-say
204 26 Remove Duplicates from Sorted Array 45.1% Easy 0.0476757427679509 https://leetcode.com/problems/remove-duplicates-from-sorted-array
205 845 Longest Mountain in Array 37.2% Medium 0.047458490406358134 https://leetcode.com/problems/longest-mountain-in-array
206 987 Vertical Order Traversal of a Binary Tree 36.6% Medium 0.04561794346101633 https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
207 680 Valid Palindrome II 36.6% Easy 0.04470617503841694 https://leetcode.com/problems/valid-palindrome-ii
208 935 Knight Dialer 45.2% Medium 0.04445176257083384 https://leetcode.com/problems/knight-dialer
209 529 Minesweeper 59.1% Medium 0.044255009004040724 https://leetcode.com/problems/minesweeper
210 733 Flood Fill 55.3% Easy 0.04413292021115189 https://leetcode.com/problems/flood-fill
211 509 Fibonacci Number 67.2% Easy 0.04365218172593638 https://leetcode.com/problems/fibonacci-number
212 490 The Maze 51.4% Medium 0.04287902305923364 https://leetcode.com/problems/the-maze
213 721 Accounts Merge 48.8% Medium 0.04200337458562934 https://leetcode.com/problems/accounts-merge
214 532 K-diff Pairs in an Array 31.6% Easy 0.041672696400568025 https://leetcode.com/problems/k-diff-pairs-in-an-array
215 844 Backspace String Compare 46.4% Easy 0.041499730906752734 https://leetcode.com/problems/backspace-string-compare
216 381 Insert Delete GetRandom O(1) - Duplicates allowed 34.1% Hard 0.041499730906752734 https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
217 1004 Max Consecutive Ones III 59.1% Medium 0.041252411938220004 https://leetcode.com/problems/max-consecutive-ones-iii
218 62 Unique Paths 54.1% Medium 0.04084052144450833 https://leetcode.com/problems/unique-paths
219 243 Shortest Word Distance 61.0% Easy 0.040780370344928096 https://leetcode.com/problems/shortest-word-distance
220 907 Sum of Subarray Minimums 32.3% Medium 0.04069737616380998 https://leetcode.com/problems/sum-of-subarray-minimums
221 94 Binary Tree Inorder Traversal 63.3% Medium 0.04034464989190718 https://leetcode.com/problems/binary-tree-inorder-traversal
222 142 Linked List Cycle II 37.3% Medium 0.04034106216103786 https://leetcode.com/problems/linked-list-cycle-ii
223 314 Binary Tree Vertical Order Traversal 45.3% Medium 0.04007660092703385 https://leetcode.com/problems/binary-tree-vertical-order-traversal
224 833 Find And Replace in String 50.4% Medium 0.03984590854719967 https://leetcode.com/problems/find-and-replace-in-string
225 113 Path Sum II 46.7% Medium 0.03857758982167768 https://leetcode.com/problems/path-sum-ii
226 1381 Design a Stack With Increment Operation 74.7% Medium 0.038355612390321446 https://leetcode.com/problems/design-a-stack-with-increment-operation
227 560 Subarray Sum Equals K 43.9% Medium 0.037871360699521406 https://leetcode.com/problems/subarray-sum-equals-k
228 402 Remove K Digits 28.4% Medium 0.03755134565213245 https://leetcode.com/problems/remove-k-digits
229 19 Remove Nth Node From End of List 35.2% Medium 0.03704967488869408 https://leetcode.com/problems/remove-nth-node-from-end-of-list
230 31 Next Permutation 32.6% Medium 0.03686102113159897 https://leetcode.com/problems/next-permutation
231 621 Task Scheduler 50.1% Medium 0.036825978166247095 https://leetcode.com/problems/task-scheduler
232 729 My Calendar I 51.8% Medium 0.036433902246102004 https://leetcode.com/problems/my-calendar-i
233 934 Shortest Bridge 48.2% Medium 0.03607244121670154 https://leetcode.com/problems/shortest-bridge
234 1304 Find N Unique Integers Sum up to Zero 76.3% Easy 0.035408891906255915 https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
235 28 Implement strStr() 34.5% Easy 0.03494144277828229 https://leetcode.com/problems/implement-strstr
236 1143 Longest Common Subsequence 58.4% Medium 0.03488472325916733 https://leetcode.com/problems/longest-common-subsequence
237 701 Insert into a Binary Search Tree 77.7% Medium 0.03459222693591465 https://leetcode.com/problems/insert-into-a-binary-search-tree
238 108 Convert Sorted Array to Binary Search Tree 57.9% Easy 0.03421710570764629 https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
239 104 Maximum Depth of Binary Tree 66.0% Easy 0.03362699323605452 https://leetcode.com/problems/maximum-depth-of-binary-tree
240 198 House Robber 42.0% Easy 0.033320991026093004 https://leetcode.com/problems/house-robber
241 84 Largest Rectangle in Histogram 35.2% Hard 0.032938342019369966 https://leetcode.com/problems/largest-rectangle-in-histogram
242 694 Number of Distinct Islands 56.0% Medium 0.03278982282299087 https://leetcode.com/problems/number-of-distinct-islands
243 1091 Shortest Path in Binary Matrix 38.2% Medium 0.03164821095078173 https://leetcode.com/problems/shortest-path-in-binary-matrix
244 228 Summary Ranges 39.5% Medium 0.03157326191609021 https://leetcode.com/problems/summary-ranges
245 867 Transpose Matrix 62.8% Easy 0.031179454774354007 https://leetcode.com/problems/transpose-matrix
246 284 Peeking Iterator 45.7% Medium 0.03110670713225487 https://leetcode.com/problems/peeking-iterator
247 131 Palindrome Partitioning 47.5% Medium 0.03101558050692165 https://leetcode.com/problems/palindrome-partitioning
248 141 Linked List Cycle 41.1% Easy 0.031012908394529512 https://leetcode.com/problems/linked-list-cycle
249 724 Find Pivot Index 44.0% Easy 0.03089844155123413 https://leetcode.com/problems/find-pivot-index
250 575 Distribute Candies 61.4% Easy 0.030890487019338404 https://leetcode.com/problems/distribute-candies
251 415 Add Strings 47.5% Easy 0.030009753867991852 https://leetcode.com/problems/add-strings
252 692 Top K Frequent Words 51.8% Medium 0.029730915184679466 https://leetcode.com/problems/top-k-frequent-words
253 1197 Minimum Knight Moves 36.1% Medium 0.02969780239174205 https://leetcode.com/problems/minimum-knight-moves
254 917 Reverse Only Letters 58.0% Easy 0.0286552557603761 https://leetcode.com/problems/reverse-only-letters
255 311 Sparse Matrix Multiplication 61.9% Medium 0.027702602549335792 https://leetcode.com/problems/sparse-matrix-multiplication
256 472 Concatenated Words 43.7% Hard 0.027664281472355556 https://leetcode.com/problems/concatenated-words
257 159 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
258 523 Continuous Subarray Sum 24.6% Medium 0.02639449412294209 https://leetcode.com/problems/continuous-subarray-sum
259 34 Find First and Last Position of Element in Sorted Array 36.2% Medium 0.026256496787488606 https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
260 979 Distribute Coins in Binary Tree 68.9% Medium 0.026196651946570663 https://leetcode.com/problems/distribute-coins-in-binary-tree
261 205 Isomorphic Strings 39.8% Easy 0.025789394882914186 https://leetcode.com/problems/isomorphic-strings
262 242 Valid Anagram 56.9% Easy 0.025684584297773504 https://leetcode.com/problems/valid-anagram
263 1038 Binary Search Tree to Greater Sum Tree 80.8% Medium 0.025446665661164262 https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
264 717 1-bit and 2-bit Characters 48.8% Easy 0.025269822188076344 https://leetcode.com/problems/1-bit-and-2-bit-characters
265 83 Remove Duplicates from Sorted List 45.4% Easy 0.025174394259350617 https://leetcode.com/problems/remove-duplicates-from-sorted-list
266 215 Kth Largest Element in an Array 55.4% Medium 0.02414409892936099 https://leetcode.com/problems/kth-largest-element-in-an-array
267 662 Maximum Width of Binary Tree 41.0% Medium 0.024116924478312346 https://leetcode.com/problems/maximum-width-of-binary-tree
268 91 Decode Ways 24.7% Medium 0.023662742620848144 https://leetcode.com/problems/decode-ways
269 210 Course Schedule II 40.7% Medium 0.023133880315464483 https://leetcode.com/problems/course-schedule-ii
270 282 Expression Add Operators 35.5% Hard 0.022523474667082946 https://leetcode.com/problems/expression-add-operators
271 981 Time Based Key-Value Store 53.1% Medium 0.02226024024151985 https://leetcode.com/problems/time-based-key-value-store
272 152 Maximum Product Subarray 31.7% Medium 0.022176931045949227 https://leetcode.com/problems/maximum-product-subarray
273 40 Combination Sum II 48.2% Medium 0.021424290044083395 https://leetcode.com/problems/combination-sum-ii
274 101 Symmetric Tree 46.8% Easy 0.02109782896463587 https://leetcode.com/problems/symmetric-tree
275 784 Letter Case Permutation 64.6% Medium 0.02026411791905559 https://leetcode.com/problems/letter-case-permutation
276 344 Reverse String 68.5% Easy 0.02026165432744944 https://leetcode.com/problems/reverse-string
277 166 Fraction to Recurring Decimal 21.6% Medium 0.02015181543730795 https://leetcode.com/problems/fraction-to-recurring-decimal
278 341 Flatten Nested List Iterator 52.9% Medium 0.019980684690483426 https://leetcode.com/problems/flatten-nested-list-iterator
279 399 Evaluate Division 51.6% Medium 0.019380451549662482 https://leetcode.com/problems/evaluate-division
280 669 Trim a Binary Search Tree 63.0% Easy 0.019139340210697423 https://leetcode.com/problems/trim-a-binary-search-tree
281 515 Find Largest Value in Each Tree Row 61.1% Medium 0.019093658815579673 https://leetcode.com/problems/find-largest-value-in-each-tree-row
282 1155 Number of Dice Rolls With Target Sum 49.0% Medium 0.018904154639152678 https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
283 169 Majority Element 58.7% Easy 0.018694317054881164 https://leetcode.com/problems/majority-element
284 290 Word Pattern 37.0% Easy 0.01839978311884168 https://leetcode.com/problems/word-pattern
285 283 Move Zeroes 57.8% Easy 0.01789853050377608 https://leetcode.com/problems/move-zeroes
286 406 Queue Reconstruction by Height 66.9% Medium 0.01774669468133533 https://leetcode.com/problems/queue-reconstruction-by-height
287 383 Ransom Note 53.1% Easy 0.017621601349819518 https://leetcode.com/problems/ransom-note
288 872 Leaf-Similar Trees 64.5% Easy 0.01752125418714782 https://leetcode.com/problems/leaf-similar-trees
289 993 Cousins in Binary Tree 52.0% Easy 0.017414458368636587 https://leetcode.com/problems/cousins-in-binary-tree
290 6 ZigZag Conversion 36.3% Medium 0.01726827253226344 https://leetcode.com/problems/zigzag-conversion
291 270 Closest Binary Search Tree Value 48.5% Easy 0.017123706078591462 https://leetcode.com/problems/closest-binary-search-tree-value
292 994 Rotting Oranges 49.2% Medium 0.017087941897195622 https://leetcode.com/problems/rotting-oranges
293 95 Unique Binary Search Trees II 40.6% Medium 0.016856699181010838 https://leetcode.com/problems/unique-binary-search-trees-ii
294 7 Reverse Integer 25.8% Easy 0.016627790608488954 https://leetcode.com/problems/reverse-integer
295 51 N-Queens 46.6% Hard 0.016393809775676407 https://leetcode.com/problems/n-queens
296 71 Simplify Path 32.6% Medium 0.016260520871780308 https://leetcode.com/problems/simplify-path
297 349 Intersection of Two Arrays 62.5% Easy 0.016239981598488416 https://leetcode.com/problems/intersection-of-two-arrays
298 299 Bulls and Cows 42.4% Easy 0.016227536621756702 https://leetcode.com/problems/bulls-and-cows
299 448 Find All Numbers Disappeared in an Array 55.9% Easy 0.015377032870589537 https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
300 707 Design Linked List 24.5% Medium 0.015054857167065819 https://leetcode.com/problems/design-linked-list
301 832 Flipping an Image 76.2% Easy 0.014652276786870392 https://leetcode.com/problems/flipping-an-image
302 150 Evaluate Reverse Polish Notation 36.3% Medium 0.01413451093490476 https://leetcode.com/problems/evaluate-reverse-polish-notation
303 202 Happy Number 50.4% Easy 0.014045174703047602 https://leetcode.com/problems/happy-number
304 222 Count Complete Tree Nodes 46.8% Medium 0.014015646388344492 https://leetcode.com/problems/count-complete-tree-nodes
305 1192 Critical Connections in a Network 48.6% Hard 0.01352742981715631 https://leetcode.com/problems/critical-connections-in-a-network
306 70 Climbing Stairs 47.8% Easy 0.013494975575004323 https://leetcode.com/problems/climbing-stairs
307 329 Longest Increasing Path in a Matrix 43.4% Hard 0.013400535537482126 https://leetcode.com/problems/longest-increasing-path-in-a-matrix
308 347 Top K Frequent Elements 61.2% Medium 0.01329217620893675 https://leetcode.com/problems/top-k-frequent-elements
309 303 Range Sum Query - Immutable 44.7% Easy 0.013240842236997532 https://leetcode.com/problems/range-sum-query-immutable
310 14 Longest Common Prefix 35.4% Easy 0.013215687512885701 https://leetcode.com/problems/longest-common-prefix
311 82 Remove Duplicates from Sorted List II 36.8% Medium 0.01297035044262745 https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
312 219 Contains Duplicate II 37.7% Easy 0.01276748910345265 https://leetcode.com/problems/contains-duplicate-ii
313 226 Invert Binary Tree 65.0% Easy 0.01235091863400913 https://leetcode.com/problems/invert-binary-tree
314 547 Friend Circles 58.6% Medium 0.012228828639434596 https://leetcode.com/problems/friend-circles
315 437 Path Sum III 47.2% Medium 0.012128711446614806 https://leetcode.com/problems/path-sum-iii
316 278 First Bad Version 35.7% Easy 0.012090421323816148 https://leetcode.com/problems/first-bad-version
317 300 Longest Increasing Subsequence 42.6% Medium 0.011806512586989004 https://leetcode.com/problems/longest-increasing-subsequence
318 136 Single Number 65.5% Easy 0.011429512235126808 https://leetcode.com/problems/single-number
319 785 Is Graph Bipartite? 47.5% Medium 0.011236073266925854 https://leetcode.com/problems/is-graph-bipartite
320 463 Island Perimeter 65.7% Easy 0.010935046086198837 https://leetcode.com/problems/island-perimeter
321 430 Flatten a Multilevel Doubly Linked List 55.1% Medium 0.010548621020744619 https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
322 647 Palindromic Substrings 60.6% Medium 0.010400509768078022 https://leetcode.com/problems/palindromic-substrings
323 739 Daily Temperatures 63.3% Medium 0.010032690121814417 https://leetcode.com/problems/daily-temperatures
324 72 Edit Distance 44.8% Hard 0.010017614452317782 https://leetcode.com/problems/edit-distance
325 221 Maximal Square 37.7% Medium 0.00988638798855515 https://leetcode.com/problems/maximal-square
326 18 4Sum 33.7% Medium 0.00984259914419414 https://leetcode.com/problems/4sum
327 47 Permutations II 46.4% Medium 0.009673594178378379 https://leetcode.com/problems/permutations-ii
328 96 Unique Binary Search Trees 52.9% Medium 0.009242209964820877 https://leetcode.com/problems/unique-binary-search-trees
329 279 Perfect Squares 47.4% Medium 0.009216655104924008 https://leetcode.com/problems/perfect-squares
330 1249 Minimum Remove to Make Valid Parentheses 62.5% Medium 0.009195467093100304 https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
331 209 Minimum Size Subarray Sum 38.2% Medium 0.00841401682484616 https://leetcode.com/problems/minimum-size-subarray-sum
332 78 Subsets 62.0% Medium 0.008278192969371254 https://leetcode.com/problems/subsets
333 876 Middle of the Linked List 68.4% Easy 0.007624893975696915 https://leetcode.com/problems/middle-of-the-linked-list
334 122 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
335 16 3Sum Closest 46.0% Medium 0.0075259057003469075 https://leetcode.com/problems/3sum-closest
336 938 Range Sum of BST 81.3% Easy 0.007011422237803984 https://leetcode.com/problems/range-sum-of-bst
337 114 Flatten Binary Tree to Linked List 49.3% Medium 0.006896579059060353 https://leetcode.com/problems/flatten-binary-tree-to-linked-list
338 11 Container With Most Water 50.8% Medium 0.006889188300412141 https://leetcode.com/problems/container-with-most-water
339 118 Pascal's Triangle 52.5% Easy 0.006749941254175012 https://leetcode.com/problems/pascals-triangle
340 162 Find Peak Element 43.3% Medium 0.006350235659345837 https://leetcode.com/problems/find-peak-element
341 64 Minimum Path Sum 54.5% Medium 0.006127470152097104 https://leetcode.com/problems/minimum-path-sum
342 144 Binary Tree Preorder Traversal 55.7% Medium 0.0060975798681185 https://leetcode.com/problems/binary-tree-preorder-traversal
343 973 K Closest Points to Origin 63.8% Medium 0.005773688094426333 https://leetcode.com/problems/k-closest-points-to-origin
344 50 Pow(x n) 30.3% Medium 0.0055950070772402055 https://leetcode.com/problems/powx-n
345 167 Two Sum II - Input array is sorted 54.1% Easy 0.005507380022589096 https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
346 112 Path Sum 41.2% Easy 0.00546972510956646 https://leetcode.com/problems/path-sum
347 106 Construct Binary Tree from Inorder and Postorder Traversal 47.2% Medium 0.005258250021550252 https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
348 350 Intersection of Two Arrays II 51.4% Easy 0.005210380421193978 https://leetcode.com/problems/intersection-of-two-arrays-ii
349 55 Jump Game 34.6% Medium 0.005022612266291382 https://leetcode.com/problems/jump-game
350 35 Search Insert Position 42.6% Easy 0.004646848510375352 https://leetcode.com/problems/search-insert-position
351 1470 Shuffle the Array 88.9% Easy 0.004527967890154029 https://leetcode.com/problems/shuffle-the-array
352 977 Squares of a Sorted Array 72.1% Easy 0.003891055492966611 https://leetcode.com/problems/squares-of-a-sorted-array
353 217 Contains Duplicate 56.0% Easy 0.0037979536727587773 https://leetcode.com/problems/contains-duplicate
354 100 Same Tree 53.4% Easy 0.003165227373565798 https://leetcode.com/problems/same-tree
355 9 Palindrome Number 48.4% Easy 0.0030379001110948244 https://leetcode.com/problems/palindrome-number
356 1344 Angle Between Hands of a Clock 61.4% Medium 0.0019544616795205403 https://leetcode.com/problems/angle-between-hands-of-a-clock