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529,Minesweeper,59.1%,Medium,1.3576226678233785, https://leetcode.com/problems/minesweeper
757,Set Intersection Size At Least Two,40.1%,Hard,1.2679923456441213, https://leetcode.com/problems/set-intersection-size-at-least-two
427,Construct Quad Tree,61.4%,Medium,1.1083419721414765, https://leetcode.com/problems/construct-quad-tree
267,Palindrome Permutation II,36.4%,Medium,0.9486915986388316, https://leetcode.com/problems/palindrome-permutation-ii
741,Cherry Pickup,33.9%,Hard,0.8368333911973983, https://leetcode.com/problems/cherry-pickup
305,Number of Islands II,40.1%,Hard,0.751971278948869, https://leetcode.com/problems/number-of-islands-ii
291,Word Pattern II,43.4%,Hard,0.6452087603122145, https://leetcode.com/problems/word-pattern-ii
773,Sliding Puzzle,59.3%,Hard,0.62034837400244, https://leetcode.com/problems/sliding-puzzle
332,Reconstruct Itinerary,36.7%,Medium,0.46069800049979515, https://leetcode.com/problems/reconstruct-itinerary
668,Kth Smallest Number in Multiplication Table,45.6%,Hard,0.4506902061131003, https://leetcode.com/problems/kth-smallest-number-in-multiplication-table
465,Optimal Account Balancing,46.9%,Hard,0.44746022914476763, https://leetcode.com/problems/optimal-account-balancing
655,Print Binary Tree,55.0%,Medium,0.3866059883710684, https://leetcode.com/problems/print-binary-tree
1281,Subtract the Product and Sum of Digits of an Integer,85.2%,Easy,0.3807587855252646, https://leetcode.com/problems/subtract-the-product-and-sum-of-digits-of-an-integer
936,Stamping The Sequence,42.8%,Hard,0.2972515234679316, https://leetcode.com/problems/stamping-the-sequence
1136,Parallel Courses,61.1%,Hard,0.2858421455297737, https://leetcode.com/problems/parallel-courses
227,Basic Calculator II,36.9%,Medium,0.2714880230931468, https://leetcode.com/problems/basic-calculator-ii
527,Word Abbreviation,54.3%,Hard,0.24362208265775043, https://leetcode.com/problems/word-abbreviation
772,Basic Calculator III,41.3%,Hard,0.2322522675124501, https://leetcode.com/problems/basic-calculator-iii
986,Interval List Intersections,67.3%,Medium,0.21819454006628897, https://leetcode.com/problems/interval-list-intersections
56,Merge Intervals,39.3%,Medium,0.1787202517864883, https://leetcode.com/problems/merge-intervals
1278,Palindrome Partitioning III,59.9%,Hard,0.17284281283941086, https://leetcode.com/problems/palindrome-partitioning-iii
166,Fraction to Recurring Decimal,21.6%,Medium,0.16822779371809507, https://leetcode.com/problems/fraction-to-recurring-decimal
341,Flatten Nested List Iterator,52.9%,Medium,0.16689882926772934, https://leetcode.com/problems/flatten-nested-list-iterator
297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.16344179897725258, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
253,Meeting Rooms II,45.7%,Medium,0.1520916039435107, https://leetcode.com/problems/meeting-rooms-ii
365,Water and Jug Problem,30.6%,Medium,0.14565275315686743, https://leetcode.com/problems/water-and-jug-problem
863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.14315784643382565, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.14257571553993023, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
128,Longest Consecutive Sequence,45.1%,Hard,0.13583040733187832, https://leetcode.com/problems/longest-consecutive-sequence
361,Bomb Enemy,46.0%,Medium,0.1271551754852466, https://leetcode.com/problems/bomb-enemy
528,Random Pick with Weight,43.9%,Medium,0.12617342152539626, https://leetcode.com/problems/random-pick-with-weight
221,Maximal Square,37.7%,Medium,0.11485331906981584, https://leetcode.com/problems/maximal-square
780,Reaching Points,29.4%,Hard,0.11233744121460561, https://leetcode.com/problems/reaching-points
1188,Design Bounded Blocking Queue,70.5%,Medium,0.11030454201470608, https://leetcode.com/problems/design-bounded-blocking-queue
146,LRU Cache,33.2%,Medium,0.1090999130829226, https://leetcode.com/problems/lru-cache
1135,Connecting Cities With Minimum Cost,57.5%,Medium,0.09909090264423091, https://leetcode.com/problems/connecting-cities-with-minimum-cost
837,New 21 Game,34.6%,Medium,0.09646026618756222, https://leetcode.com/problems/new-21-game
149,Max Points on a Line,16.9%,Hard,0.09588177170328253, https://leetcode.com/problems/max-points-on-a-line
642,Design Search Autocomplete System,44.7%,Hard,0.09500811062818718, https://leetcode.com/problems/design-search-autocomplete-system
752,Open the Lock,51.8%,Medium,0.09491410658218381, https://leetcode.com/problems/open-the-lock
239,Sliding Window Maximum,43.0%,Hard,0.09271146326206103, https://leetcode.com/problems/sliding-window-maximum
380,Insert Delete GetRandom O(1),47.5%,Medium,0.08509738264123867, https://leetcode.com/problems/insert-delete-getrandom-o1
3,Longest Substring Without Repeating Characters,30.4%,Medium,0.07351563991867523, https://leetcode.com/problems/longest-substring-without-repeating-characters
262,Trips and Users,32.7%,Hard,0.0708399953891058, https://leetcode.com/problems/trips-and-users
200,Number of Islands,46.8%,Medium,0.06985103785996453, https://leetcode.com/problems/number-of-islands
855,Exam Room,43.1%,Medium,0.06371581438610768, https://leetcode.com/problems/exam-room
36,Valid Sudoku,48.7%,Medium,0.06350219850936348, https://leetcode.com/problems/valid-sudoku
68,Text Justification,27.7%,Hard,0.06116036187169583, https://leetcode.com/problems/text-justification
353,Design Snake Game,34.2%,Medium,0.06053284922884233, https://leetcode.com/problems/design-snake-game
49,Group Anagrams,56.9%,Medium,0.059194347436734636, https://leetcode.com/problems/group-anagrams
2,Add Two Numbers,33.9%,Medium,0.059062595640837656, https://leetcode.com/problems/add-two-numbers
279,Perfect Squares,47.4%,Medium,0.05625780265009439, https://leetcode.com/problems/perfect-squares
1229,Meeting Scheduler,52.7%,Medium,0.053560323833736816, https://leetcode.com/problems/meeting-scheduler
679,24 Game,46.4%,Hard,0.05341723749698583, https://leetcode.com/problems/24-game
85,Maximal Rectangle,37.7%,Hard,0.05229949940284891, https://leetcode.com/problems/maximal-rectangle
42,Trapping Rain Water,48.9%,Hard,0.05203424501747888, https://leetcode.com/problems/trapping-rain-water
1,Two Sum,45.6%,Easy,0.051207090852741735, https://leetcode.com/problems/two-sum
282,Expression Add Operators,35.5%,Hard,0.049982640867735496, https://leetcode.com/problems/expression-add-operators
269,Alien Dictionary,33.3%,Hard,0.04997917057465883, https://leetcode.com/problems/alien-dictionary
438,Find All Anagrams in a String,43.3%,Medium,0.04974170369613166, https://leetcode.com/problems/find-all-anagrams-in-a-string
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
23,Merge k Sorted Lists,40.2%,Hard,0.04853398505532907, https://leetcode.com/problems/merge-k-sorted-lists
130,Surrounded Regions,28.1%,Medium,0.04702600201140691, https://leetcode.com/problems/surrounded-regions
359,Logger Rate Limiter,70.8%,Easy,0.0467617659080393, https://leetcode.com/problems/logger-rate-limiter
493,Reverse Pairs,25.2%,Hard,0.043110123653728516, https://leetcode.com/problems/reverse-pairs
381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.041499730906752734, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
126,Word Ladder II,22.1%,Hard,0.04004093605556132, https://leetcode.com/problems/word-ladder-ii
337,House Robber III,50.6%,Medium,0.03825370795946937, https://leetcode.com/problems/house-robber-iii
317,Shortest Distance from All Buildings,41.4%,Hard,0.03795522000043556, https://leetcode.com/problems/shortest-distance-from-all-buildings
992,Subarrays with K Different Integers,48.6%,Hard,0.03700699810869683, https://leetcode.com/problems/subarrays-with-k-different-integers
127,Word Ladder,29.6%,Medium,0.03679590970204585, https://leetcode.com/problems/word-ladder
729,My Calendar I,51.8%,Medium,0.036433902246102004, https://leetcode.com/problems/my-calendar-i
295,Find Median from Data Stream,44.3%,Hard,0.035519827248535335, https://leetcode.com/problems/find-median-from-data-stream
4,Median of Two Sorted Arrays,29.6%,Hard,0.034565653112280895, https://leetcode.com/problems/median-of-two-sorted-arrays
173,Binary Search Tree Iterator,56.6%,Medium,0.03353206029057467, https://leetcode.com/problems/binary-search-tree-iterator
567,Permutation in String,44.4%,Medium,0.033324075731591886, https://leetcode.com/problems/permutation-in-string
694,Number of Distinct Islands,56.0%,Medium,0.03278982282299087, https://leetcode.com/problems/number-of-distinct-islands
301,Remove Invalid Parentheses,43.3%,Hard,0.03226086221822144, https://leetcode.com/problems/remove-invalid-parentheses
1146,Snapshot Array,37.0%,Medium,0.0317991816929387, https://leetcode.com/problems/snapshot-array
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
57,Insert Interval,33.5%,Hard,0.02927990558056596, https://leetcode.com/problems/insert-interval
311,Sparse Matrix Multiplication,61.9%,Medium,0.027702602549335792, https://leetcode.com/problems/sparse-matrix-multiplication
445,Add Two Numbers II,54.5%,Medium,0.02753309435998931, https://leetcode.com/problems/add-two-numbers-ii
118,Pascal's Triangle,52.5%,Easy,0.02673062594465844, https://leetcode.com/problems/pascals-triangle
979,Distribute Coins in Binary Tree,68.9%,Medium,0.026196651946570663, https://leetcode.com/problems/distribute-coins-in-binary-tree
46,Permutations,63.5%,Medium,0.026064861710547768, https://leetcode.com/problems/permutations
121,Best Time to Buy and Sell Stock,50.5%,Easy,0.0257124040167447, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
218,The Skyline Problem,34.6%,Hard,0.025479085300984906, https://leetcode.com/problems/the-skyline-problem
1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.025446665661164262, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
162,Find Peak Element,43.3%,Medium,0.02516251642407408, https://leetcode.com/problems/find-peak-element
238,Product of Array Except Self,60.1%,Medium,0.024315533698358247, https://leetcode.com/problems/product-of-array-except-self
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
426,Convert Binary Search Tree to Sorted Doubly Linked List,59.1%,Medium,0.024214258120594613, https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
977,Squares of a Sorted Array,72.1%,Easy,0.02407434514623628, https://leetcode.com/problems/squares-of-a-sorted-array
39,Combination Sum,56.1%,Medium,0.02267028230338623, https://leetcode.com/problems/combination-sum
981,Time Based Key-Value Store,53.1%,Medium,0.02226024024151985, https://leetcode.com/problems/time-based-key-value-store
224,Basic Calculator,36.8%,Hard,0.020965128465044926, https://leetcode.com/problems/basic-calculator
74,Search a 2D Matrix,36.5%,Medium,0.020896975877216107, https://leetcode.com/problems/search-a-2d-matrix
20,Valid Parentheses,39.0%,Easy,0.020517047266669974, https://leetcode.com/problems/valid-parentheses
399,Evaluate Division,51.6%,Medium,0.019380451549662482, https://leetcode.com/problems/evaluate-division
542,01 Matrix,39.8%,Medium,0.01796993548494071, https://leetcode.com/problems/01-matrix
289,Game of Life,54.5%,Medium,0.0173239499317743, https://leetcode.com/problems/game-of-life
658,Find K Closest Elements,40.9%,Medium,0.016611677666896175, https://leetcode.com/problems/find-k-closest-elements
334,Increasing Triplet Subsequence,40.0%,Medium,0.016058153168974937, https://leetcode.com/problems/increasing-triplet-subsequence
76,Minimum Window Substring,34.6%,Hard,0.013966707481708198, https://leetcode.com/problems/minimum-window-substring
131,Palindrome Partitioning,47.5%,Medium,0.013903595538577326, https://leetcode.com/problems/palindrome-partitioning
53,Maximum Subarray,46.5%,Easy,0.013467854269413949, https://leetcode.com/problems/maximum-subarray
581,Shortest Unsorted Continuous Subarray,31.1%,Easy,0.013342426083839913, https://leetcode.com/problems/shortest-unsorted-continuous-subarray
451,Sort Characters By Frequency,63.0%,Medium,0.013153757558740521, https://leetcode.com/problems/sort-characters-by-frequency
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
124,Binary Tree Maximum Path Sum,34.3%,Hard,0.012403687139326226, https://leetcode.com/problems/binary-tree-maximum-path-sum
273,Integer to English Words,27.1%,Hard,0.012081089250339716, https://leetcode.com/problems/integer-to-english-words
210,Course Schedule II,40.7%,Medium,0.011869857339029215, https://leetcode.com/problems/course-schedule-ii
75,Sort Colors,47.3%,Medium,0.011198325310029539, https://leetcode.com/problems/sort-colors
207,Course Schedule,43.1%,Medium,0.01113459480911671, https://leetcode.com/problems/course-schedule
211,Add and Search Word - Data structure design,38.1%,Medium,0.010438508143923443, https://leetcode.com/problems/add-and-search-word-data-structure-design
647,Palindromic Substrings,60.6%,Medium,0.010400509768078022, https://leetcode.com/problems/palindromic-substrings
62,Unique Paths,54.1%,Medium,0.010367562048856941, https://leetcode.com/problems/unique-paths
72,Edit Distance,44.8%,Hard,0.010017614452317782, https://leetcode.com/problems/edit-distance
17,Letter Combinations of a Phone Number,46.8%,Medium,0.00987716546167603, https://leetcode.com/problems/letter-combinations-of-a-phone-number
212,Word Search II,34.9%,Hard,0.009845021678804893, https://leetcode.com/problems/word-search-ii
22,Generate Parentheses,62.7%,Medium,0.009785877810632554, https://leetcode.com/problems/generate-parentheses
560,Subarray Sum Equals K,43.9%,Medium,0.009603146783199741, https://leetcode.com/problems/subarray-sum-equals-k
70,Climbing Stairs,47.8%,Easy,0.009390798483527519, https://leetcode.com/problems/climbing-stairs
621,Task Scheduler,50.1%,Medium,0.009334412329990095, https://leetcode.com/problems/task-scheduler
32,Longest Valid Parentheses,28.4%,Hard,0.009111680351255843, https://leetcode.com/problems/longest-valid-parentheses
208,Implement Trie (Prefix Tree),49.4%,Medium,0.009105457856626612, https://leetcode.com/problems/implement-trie-prefix-tree
215,Kth Largest Element in an Array,55.4%,Medium,0.008759180089881562, https://leetcode.com/problems/kth-largest-element-in-an-array
198,House Robber,42.0%,Easy,0.008434914115059812, https://leetcode.com/problems/house-robber
133,Clone Graph,34.8%,Medium,0.008136741393061732, https://leetcode.com/problems/clone-graph
6,ZigZag Conversion,36.3%,Medium,0.0077116248757144665, https://leetcode.com/problems/zigzag-conversion
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
692,Top K Frequent Words,51.8%,Medium,0.007516006820935329, https://leetcode.com/problems/top-k-frequent-words
114,Flatten Binary Tree to Linked List,49.3%,Medium,0.006896579059060353, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
54,Spiral Matrix,34.1%,Medium,0.0065941551175130245, https://leetcode.com/problems/spiral-matrix
24,Swap Nodes in Pairs,50.4%,Medium,0.0062218275061505365, https://leetcode.com/problems/swap-nodes-in-pairs
140,Word Break II,32.6%,Hard,0.006080688960926012, https://leetcode.com/problems/word-break-ii
31,Next Permutation,32.6%,Medium,0.005989835219179644, https://leetcode.com/problems/next-permutation
347,Top K Frequent Elements,61.2%,Medium,0.005929457040438874, https://leetcode.com/problems/top-k-frequent-elements
973,K Closest Points to Origin,63.8%,Medium,0.005773688094426333, https://leetcode.com/problems/k-closest-points-to-origin
300,Longest Increasing Subsequence,42.6%,Medium,0.005264555460003242, https://leetcode.com/problems/longest-increasing-subsequence
5,Longest Palindromic Substring,29.5%,Medium,0.005121212968082452, https://leetcode.com/problems/longest-palindromic-substring
48,Rotate Image,56.7%,Medium,0.0050955524266001265, https://leetcode.com/problems/rotate-image
21,Merge Two Sorted Lists,53.5%,Easy,0.005067007800877041, https://leetcode.com/problems/merge-two-sorted-lists
55,Jump Game,34.6%,Medium,0.005022612266291382, https://leetcode.com/problems/jump-game
242,Valid Anagram,56.9%,Easy,0.004154123743115972, https://leetcode.com/problems/valid-anagram
322,Coin Change,35.5%,Medium,0.004029826126500844, https://leetcode.com/problems/coin-change
139,Word Break,40.1%,Medium,0.003894465052690167, https://leetcode.com/problems/word-break
13,Roman to Integer,55.7%,Easy,0.003428770717317083, https://leetcode.com/problems/roman-to-integer
101,Symmetric Tree,46.8%,Easy,0.0034057078469827435, https://leetcode.com/problems/symmetric-tree
344,Reverse String,68.5%,Easy,0.003269579502519813, https://leetcode.com/problems/reverse-string
33,Search in Rotated Sorted Array,34.5%,Medium,0.003229976968332634, https://leetcode.com/problems/search-in-rotated-sorted-array
50,Pow(x, n),30.3%,Medium,0.0031510424503886844, https://leetcode.com/problems/powx-n
88,Merge Sorted Array,39.4%,Easy,0.0030102370714243072, https://leetcode.com/problems/merge-sorted-array
15,3Sum,26.8%,Medium,0.0021990113314367685, https://leetcode.com/problems/3sum
26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0019513153174351963, https://leetcode.com/problems/remove-duplicates-from-sorted-array
79,Word Search,35.6%,Medium,0.0016647248725526849, https://leetcode.com/problems/word-search
1 529 Minesweeper 59.1% Medium 1.3576226678233785 https://leetcode.com/problems/minesweeper
2 757 Set Intersection Size At Least Two 40.1% Hard 1.2679923456441213 https://leetcode.com/problems/set-intersection-size-at-least-two
3 427 Construct Quad Tree 61.4% Medium 1.1083419721414765 https://leetcode.com/problems/construct-quad-tree
4 267 Palindrome Permutation II 36.4% Medium 0.9486915986388316 https://leetcode.com/problems/palindrome-permutation-ii
5 741 Cherry Pickup 33.9% Hard 0.8368333911973983 https://leetcode.com/problems/cherry-pickup
6 305 Number of Islands II 40.1% Hard 0.751971278948869 https://leetcode.com/problems/number-of-islands-ii
7 291 Word Pattern II 43.4% Hard 0.6452087603122145 https://leetcode.com/problems/word-pattern-ii
8 773 Sliding Puzzle 59.3% Hard 0.62034837400244 https://leetcode.com/problems/sliding-puzzle
9 332 Reconstruct Itinerary 36.7% Medium 0.46069800049979515 https://leetcode.com/problems/reconstruct-itinerary
10 668 Kth Smallest Number in Multiplication Table 45.6% Hard 0.4506902061131003 https://leetcode.com/problems/kth-smallest-number-in-multiplication-table
11 465 Optimal Account Balancing 46.9% Hard 0.44746022914476763 https://leetcode.com/problems/optimal-account-balancing
12 655 Print Binary Tree 55.0% Medium 0.3866059883710684 https://leetcode.com/problems/print-binary-tree
13 1281 Subtract the Product and Sum of Digits of an Integer 85.2% Easy 0.3807587855252646 https://leetcode.com/problems/subtract-the-product-and-sum-of-digits-of-an-integer
14 936 Stamping The Sequence 42.8% Hard 0.2972515234679316 https://leetcode.com/problems/stamping-the-sequence
15 1136 Parallel Courses 61.1% Hard 0.2858421455297737 https://leetcode.com/problems/parallel-courses
16 227 Basic Calculator II 36.9% Medium 0.2714880230931468 https://leetcode.com/problems/basic-calculator-ii
17 527 Word Abbreviation 54.3% Hard 0.24362208265775043 https://leetcode.com/problems/word-abbreviation
18 772 Basic Calculator III 41.3% Hard 0.2322522675124501 https://leetcode.com/problems/basic-calculator-iii
19 986 Interval List Intersections 67.3% Medium 0.21819454006628897 https://leetcode.com/problems/interval-list-intersections
20 56 Merge Intervals 39.3% Medium 0.1787202517864883 https://leetcode.com/problems/merge-intervals
21 1278 Palindrome Partitioning III 59.9% Hard 0.17284281283941086 https://leetcode.com/problems/palindrome-partitioning-iii
22 166 Fraction to Recurring Decimal 21.6% Medium 0.16822779371809507 https://leetcode.com/problems/fraction-to-recurring-decimal
23 341 Flatten Nested List Iterator 52.9% Medium 0.16689882926772934 https://leetcode.com/problems/flatten-nested-list-iterator
24 297 Serialize and Deserialize Binary Tree 47.5% Hard 0.16344179897725258 https://leetcode.com/problems/serialize-and-deserialize-binary-tree
25 253 Meeting Rooms II 45.7% Medium 0.1520916039435107 https://leetcode.com/problems/meeting-rooms-ii
26 365 Water and Jug Problem 30.6% Medium 0.14565275315686743 https://leetcode.com/problems/water-and-jug-problem
27 863 All Nodes Distance K in Binary Tree 55.4% Medium 0.14315784643382565 https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
28 34 Find First and Last Position of Element in Sorted Array 36.2% Medium 0.14257571553993023 https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
29 128 Longest Consecutive Sequence 45.1% Hard 0.13583040733187832 https://leetcode.com/problems/longest-consecutive-sequence
30 361 Bomb Enemy 46.0% Medium 0.1271551754852466 https://leetcode.com/problems/bomb-enemy
31 528 Random Pick with Weight 43.9% Medium 0.12617342152539626 https://leetcode.com/problems/random-pick-with-weight
32 221 Maximal Square 37.7% Medium 0.11485331906981584 https://leetcode.com/problems/maximal-square
33 780 Reaching Points 29.4% Hard 0.11233744121460561 https://leetcode.com/problems/reaching-points
34 1188 Design Bounded Blocking Queue 70.5% Medium 0.11030454201470608 https://leetcode.com/problems/design-bounded-blocking-queue
35 146 LRU Cache 33.2% Medium 0.1090999130829226 https://leetcode.com/problems/lru-cache
36 1135 Connecting Cities With Minimum Cost 57.5% Medium 0.09909090264423091 https://leetcode.com/problems/connecting-cities-with-minimum-cost
37 837 New 21 Game 34.6% Medium 0.09646026618756222 https://leetcode.com/problems/new-21-game
38 149 Max Points on a Line 16.9% Hard 0.09588177170328253 https://leetcode.com/problems/max-points-on-a-line
39 642 Design Search Autocomplete System 44.7% Hard 0.09500811062818718 https://leetcode.com/problems/design-search-autocomplete-system
40 752 Open the Lock 51.8% Medium 0.09491410658218381 https://leetcode.com/problems/open-the-lock
41 239 Sliding Window Maximum 43.0% Hard 0.09271146326206103 https://leetcode.com/problems/sliding-window-maximum
42 380 Insert Delete GetRandom O(1) 47.5% Medium 0.08509738264123867 https://leetcode.com/problems/insert-delete-getrandom-o1
43 3 Longest Substring Without Repeating Characters 30.4% Medium 0.07351563991867523 https://leetcode.com/problems/longest-substring-without-repeating-characters
44 262 Trips and Users 32.7% Hard 0.0708399953891058 https://leetcode.com/problems/trips-and-users
45 200 Number of Islands 46.8% Medium 0.06985103785996453 https://leetcode.com/problems/number-of-islands
46 855 Exam Room 43.1% Medium 0.06371581438610768 https://leetcode.com/problems/exam-room
47 36 Valid Sudoku 48.7% Medium 0.06350219850936348 https://leetcode.com/problems/valid-sudoku
48 68 Text Justification 27.7% Hard 0.06116036187169583 https://leetcode.com/problems/text-justification
49 353 Design Snake Game 34.2% Medium 0.06053284922884233 https://leetcode.com/problems/design-snake-game
50 49 Group Anagrams 56.9% Medium 0.059194347436734636 https://leetcode.com/problems/group-anagrams
51 2 Add Two Numbers 33.9% Medium 0.059062595640837656 https://leetcode.com/problems/add-two-numbers
52 279 Perfect Squares 47.4% Medium 0.05625780265009439 https://leetcode.com/problems/perfect-squares
53 1229 Meeting Scheduler 52.7% Medium 0.053560323833736816 https://leetcode.com/problems/meeting-scheduler
54 679 24 Game 46.4% Hard 0.05341723749698583 https://leetcode.com/problems/24-game
55 85 Maximal Rectangle 37.7% Hard 0.05229949940284891 https://leetcode.com/problems/maximal-rectangle
56 42 Trapping Rain Water 48.9% Hard 0.05203424501747888 https://leetcode.com/problems/trapping-rain-water
57 1 Two Sum 45.6% Easy 0.051207090852741735 https://leetcode.com/problems/two-sum
58 282 Expression Add Operators 35.5% Hard 0.049982640867735496 https://leetcode.com/problems/expression-add-operators
59 269 Alien Dictionary 33.3% Hard 0.04997917057465883 https://leetcode.com/problems/alien-dictionary
60 438 Find All Anagrams in a String 43.3% Medium 0.04974170369613166 https://leetcode.com/problems/find-all-anagrams-in-a-string
61 969 Pancake Sorting 67.5% Medium 0.04908961019652358 https://leetcode.com/problems/pancake-sorting
62 759 Employee Free Time 66.3% Hard 0.04861224405509378 https://leetcode.com/problems/employee-free-time
63 23 Merge k Sorted Lists 40.2% Hard 0.04853398505532907 https://leetcode.com/problems/merge-k-sorted-lists
64 130 Surrounded Regions 28.1% Medium 0.04702600201140691 https://leetcode.com/problems/surrounded-regions
65 359 Logger Rate Limiter 70.8% Easy 0.0467617659080393 https://leetcode.com/problems/logger-rate-limiter
66 493 Reverse Pairs 25.2% Hard 0.043110123653728516 https://leetcode.com/problems/reverse-pairs
67 381 Insert Delete GetRandom O(1) - Duplicates allowed 34.1% Hard 0.041499730906752734 https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
68 126 Word Ladder II 22.1% Hard 0.04004093605556132 https://leetcode.com/problems/word-ladder-ii
69 337 House Robber III 50.6% Medium 0.03825370795946937 https://leetcode.com/problems/house-robber-iii
70 317 Shortest Distance from All Buildings 41.4% Hard 0.03795522000043556 https://leetcode.com/problems/shortest-distance-from-all-buildings
71 992 Subarrays with K Different Integers 48.6% Hard 0.03700699810869683 https://leetcode.com/problems/subarrays-with-k-different-integers
72 127 Word Ladder 29.6% Medium 0.03679590970204585 https://leetcode.com/problems/word-ladder
73 729 My Calendar I 51.8% Medium 0.036433902246102004 https://leetcode.com/problems/my-calendar-i
74 295 Find Median from Data Stream 44.3% Hard 0.035519827248535335 https://leetcode.com/problems/find-median-from-data-stream
75 4 Median of Two Sorted Arrays 29.6% Hard 0.034565653112280895 https://leetcode.com/problems/median-of-two-sorted-arrays
76 173 Binary Search Tree Iterator 56.6% Medium 0.03353206029057467 https://leetcode.com/problems/binary-search-tree-iterator
77 567 Permutation in String 44.4% Medium 0.033324075731591886 https://leetcode.com/problems/permutation-in-string
78 694 Number of Distinct Islands 56.0% Medium 0.03278982282299087 https://leetcode.com/problems/number-of-distinct-islands
79 301 Remove Invalid Parentheses 43.3% Hard 0.03226086221822144 https://leetcode.com/problems/remove-invalid-parentheses
80 1146 Snapshot Array 37.0% Medium 0.0317991816929387 https://leetcode.com/problems/snapshot-array
81 1091 Shortest Path in Binary Matrix 38.2% Medium 0.03164821095078173 https://leetcode.com/problems/shortest-path-in-binary-matrix
82 228 Summary Ranges 39.5% Medium 0.03157326191609021 https://leetcode.com/problems/summary-ranges
83 57 Insert Interval 33.5% Hard 0.02927990558056596 https://leetcode.com/problems/insert-interval
84 311 Sparse Matrix Multiplication 61.9% Medium 0.027702602549335792 https://leetcode.com/problems/sparse-matrix-multiplication
85 445 Add Two Numbers II 54.5% Medium 0.02753309435998931 https://leetcode.com/problems/add-two-numbers-ii
86 118 Pascal's Triangle 52.5% Easy 0.02673062594465844 https://leetcode.com/problems/pascals-triangle
87 979 Distribute Coins in Binary Tree 68.9% Medium 0.026196651946570663 https://leetcode.com/problems/distribute-coins-in-binary-tree
88 46 Permutations 63.5% Medium 0.026064861710547768 https://leetcode.com/problems/permutations
89 121 Best Time to Buy and Sell Stock 50.5% Easy 0.0257124040167447 https://leetcode.com/problems/best-time-to-buy-and-sell-stock
90 218 The Skyline Problem 34.6% Hard 0.025479085300984906 https://leetcode.com/problems/the-skyline-problem
91 1038 Binary Search Tree to Greater Sum Tree 80.8% Medium 0.025446665661164262 https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
92 162 Find Peak Element 43.3% Medium 0.02516251642407408 https://leetcode.com/problems/find-peak-element
93 238 Product of Array Except Self 60.1% Medium 0.024315533698358247 https://leetcode.com/problems/product-of-array-except-self
94 395 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
95 348 Design Tic-Tac-Toe 54.3% Medium 0.024214258120594613 https://leetcode.com/problems/design-tic-tac-toe
96 426 Convert Binary Search Tree to Sorted Doubly Linked List 59.1% Medium 0.024214258120594613 https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
97 977 Squares of a Sorted Array 72.1% Easy 0.02407434514623628 https://leetcode.com/problems/squares-of-a-sorted-array
98 39 Combination Sum 56.1% Medium 0.02267028230338623 https://leetcode.com/problems/combination-sum
99 981 Time Based Key-Value Store 53.1% Medium 0.02226024024151985 https://leetcode.com/problems/time-based-key-value-store
100 224 Basic Calculator 36.8% Hard 0.020965128465044926 https://leetcode.com/problems/basic-calculator
101 74 Search a 2D Matrix 36.5% Medium 0.020896975877216107 https://leetcode.com/problems/search-a-2d-matrix
102 20 Valid Parentheses 39.0% Easy 0.020517047266669974 https://leetcode.com/problems/valid-parentheses
103 399 Evaluate Division 51.6% Medium 0.019380451549662482 https://leetcode.com/problems/evaluate-division
104 542 01 Matrix 39.8% Medium 0.01796993548494071 https://leetcode.com/problems/01-matrix
105 289 Game of Life 54.5% Medium 0.0173239499317743 https://leetcode.com/problems/game-of-life
106 658 Find K Closest Elements 40.9% Medium 0.016611677666896175 https://leetcode.com/problems/find-k-closest-elements
107 334 Increasing Triplet Subsequence 40.0% Medium 0.016058153168974937 https://leetcode.com/problems/increasing-triplet-subsequence
108 76 Minimum Window Substring 34.6% Hard 0.013966707481708198 https://leetcode.com/problems/minimum-window-substring
109 131 Palindrome Partitioning 47.5% Medium 0.013903595538577326 https://leetcode.com/problems/palindrome-partitioning
110 53 Maximum Subarray 46.5% Easy 0.013467854269413949 https://leetcode.com/problems/maximum-subarray
111 581 Shortest Unsorted Continuous Subarray 31.1% Easy 0.013342426083839913 https://leetcode.com/problems/shortest-unsorted-continuous-subarray
112 451 Sort Characters By Frequency 63.0% Medium 0.013153757558740521 https://leetcode.com/problems/sort-characters-by-frequency
113 852 Peak Index in a Mountain Array 71.6% Easy 0.012618463959211509 https://leetcode.com/problems/peak-index-in-a-mountain-array
114 152 Maximum Product Subarray 31.7% Medium 0.012534983069696118 https://leetcode.com/problems/maximum-product-subarray
115 124 Binary Tree Maximum Path Sum 34.3% Hard 0.012403687139326226 https://leetcode.com/problems/binary-tree-maximum-path-sum
116 273 Integer to English Words 27.1% Hard 0.012081089250339716 https://leetcode.com/problems/integer-to-english-words
117 210 Course Schedule II 40.7% Medium 0.011869857339029215 https://leetcode.com/problems/course-schedule-ii
118 75 Sort Colors 47.3% Medium 0.011198325310029539 https://leetcode.com/problems/sort-colors
119 207 Course Schedule 43.1% Medium 0.01113459480911671 https://leetcode.com/problems/course-schedule
120 211 Add and Search Word - Data structure design 38.1% Medium 0.010438508143923443 https://leetcode.com/problems/add-and-search-word-data-structure-design
121 647 Palindromic Substrings 60.6% Medium 0.010400509768078022 https://leetcode.com/problems/palindromic-substrings
122 62 Unique Paths 54.1% Medium 0.010367562048856941 https://leetcode.com/problems/unique-paths
123 72 Edit Distance 44.8% Hard 0.010017614452317782 https://leetcode.com/problems/edit-distance
124 17 Letter Combinations of a Phone Number 46.8% Medium 0.00987716546167603 https://leetcode.com/problems/letter-combinations-of-a-phone-number
125 212 Word Search II 34.9% Hard 0.009845021678804893 https://leetcode.com/problems/word-search-ii
126 22 Generate Parentheses 62.7% Medium 0.009785877810632554 https://leetcode.com/problems/generate-parentheses
127 560 Subarray Sum Equals K 43.9% Medium 0.009603146783199741 https://leetcode.com/problems/subarray-sum-equals-k
128 70 Climbing Stairs 47.8% Easy 0.009390798483527519 https://leetcode.com/problems/climbing-stairs
129 621 Task Scheduler 50.1% Medium 0.009334412329990095 https://leetcode.com/problems/task-scheduler
130 32 Longest Valid Parentheses 28.4% Hard 0.009111680351255843 https://leetcode.com/problems/longest-valid-parentheses
131 208 Implement Trie (Prefix Tree) 49.4% Medium 0.009105457856626612 https://leetcode.com/problems/implement-trie-prefix-tree
132 215 Kth Largest Element in an Array 55.4% Medium 0.008759180089881562 https://leetcode.com/problems/kth-largest-element-in-an-array
133 198 House Robber 42.0% Easy 0.008434914115059812 https://leetcode.com/problems/house-robber
134 133 Clone Graph 34.8% Medium 0.008136741393061732 https://leetcode.com/problems/clone-graph
135 6 ZigZag Conversion 36.3% Medium 0.0077116248757144665 https://leetcode.com/problems/zigzag-conversion
136 122 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
137 692 Top K Frequent Words 51.8% Medium 0.007516006820935329 https://leetcode.com/problems/top-k-frequent-words
138 114 Flatten Binary Tree to Linked List 49.3% Medium 0.006896579059060353 https://leetcode.com/problems/flatten-binary-tree-to-linked-list
139 54 Spiral Matrix 34.1% Medium 0.0065941551175130245 https://leetcode.com/problems/spiral-matrix
140 24 Swap Nodes in Pairs 50.4% Medium 0.0062218275061505365 https://leetcode.com/problems/swap-nodes-in-pairs
141 140 Word Break II 32.6% Hard 0.006080688960926012 https://leetcode.com/problems/word-break-ii
142 31 Next Permutation 32.6% Medium 0.005989835219179644 https://leetcode.com/problems/next-permutation
143 347 Top K Frequent Elements 61.2% Medium 0.005929457040438874 https://leetcode.com/problems/top-k-frequent-elements
144 973 K Closest Points to Origin 63.8% Medium 0.005773688094426333 https://leetcode.com/problems/k-closest-points-to-origin
145 300 Longest Increasing Subsequence 42.6% Medium 0.005264555460003242 https://leetcode.com/problems/longest-increasing-subsequence
146 5 Longest Palindromic Substring 29.5% Medium 0.005121212968082452 https://leetcode.com/problems/longest-palindromic-substring
147 48 Rotate Image 56.7% Medium 0.0050955524266001265 https://leetcode.com/problems/rotate-image
148 21 Merge Two Sorted Lists 53.5% Easy 0.005067007800877041 https://leetcode.com/problems/merge-two-sorted-lists
149 55 Jump Game 34.6% Medium 0.005022612266291382 https://leetcode.com/problems/jump-game
150 242 Valid Anagram 56.9% Easy 0.004154123743115972 https://leetcode.com/problems/valid-anagram
151 322 Coin Change 35.5% Medium 0.004029826126500844 https://leetcode.com/problems/coin-change
152 139 Word Break 40.1% Medium 0.003894465052690167 https://leetcode.com/problems/word-break
153 13 Roman to Integer 55.7% Easy 0.003428770717317083 https://leetcode.com/problems/roman-to-integer
154 101 Symmetric Tree 46.8% Easy 0.0034057078469827435 https://leetcode.com/problems/symmetric-tree
155 344 Reverse String 68.5% Easy 0.003269579502519813 https://leetcode.com/problems/reverse-string
156 33 Search in Rotated Sorted Array 34.5% Medium 0.003229976968332634 https://leetcode.com/problems/search-in-rotated-sorted-array
157 50 Pow(x n) 30.3% Medium 0.0031510424503886844 https://leetcode.com/problems/powx-n
158 88 Merge Sorted Array 39.4% Easy 0.0030102370714243072 https://leetcode.com/problems/merge-sorted-array
159 15 3Sum 26.8% Medium 0.0021990113314367685 https://leetcode.com/problems/3sum
160 26 Remove Duplicates from Sorted Array 45.1% Easy 0.0019513153174351963 https://leetcode.com/problems/remove-duplicates-from-sorted-array
161 79 Word Search 35.6% Medium 0.0016647248725526849 https://leetcode.com/problems/word-search