Adds all question csvs

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krishnadey30
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427,Construct Quad Tree,61.4%,Medium,1.812347218370924, https://leetcode.com/problems/construct-quad-tree
529,Minesweeper,59.1%,Medium,1.6823491789169709, https://leetcode.com/problems/minesweeper
741,Cherry Pickup,33.9%,Hard,1.6681515178241457, https://leetcode.com/problems/cherry-pickup
465,Optimal Account Balancing,46.9%,Hard,1.5791340687596236, https://leetcode.com/problems/optimal-account-balancing
332,Reconstruct Itinerary,36.7%,Medium,1.4570962400494838, https://leetcode.com/problems/reconstruct-itinerary
291,Word Pattern II,43.4%,Hard,1.327098200595531, https://leetcode.com/problems/word-pattern-ii
305,Number of Islands II,40.1%,Hard,1.2993348513875815, https://leetcode.com/problems/number-of-islands-ii
757,Set Intersection Size At Least Two,40.1%,Hard,1.2970683845427906, https://leetcode.com/problems/set-intersection-size-at-least-two
267,Palindrome Permutation II,36.4%,Medium,1.2914164645383432, https://leetcode.com/problems/palindrome-permutation-ii
986,Interval List Intersections,67.3%,Medium,1.1614184250843902, https://leetcode.com/problems/interval-list-intersections
361,Bomb Enemy,46.0%,Medium,1.1535711729488671, https://leetcode.com/problems/bomb-enemy
773,Sliding Puzzle,59.3%,Hard,1.1105884797148253, https://leetcode.com/problems/sliding-puzzle
655,Print Binary Tree,55.0%,Medium,1.0605315351500602, https://leetcode.com/problems/print-binary-tree
68,Text Justification,27.7%,Hard,1.0274647299045185, https://leetcode.com/problems/text-justification
428,Serialize and Deserialize N-ary Tree,59.4%,Hard,0.9486721413771949, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
253,Meeting Rooms II,45.7%,Medium,0.818674101923242, https://leetcode.com/problems/meeting-rooms-ii
591,Tag Validator,34.3%,Hard,0.7812544480702122, https://leetcode.com/problems/tag-validator
227,Basic Calculator II,36.9%,Medium,0.7542487353396534, https://leetcode.com/problems/basic-calculator-ii
772,Basic Calculator III,41.3%,Hard,0.7157652691477178, https://leetcode.com/problems/basic-calculator-iii
146,LRU Cache,33.2%,Medium,0.6777555597343323, https://leetcode.com/problems/lru-cache
56,Merge Intervals,39.3%,Medium,0.666351993828014, https://leetcode.com/problems/merge-intervals
297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.6623144848742207, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
341,Flatten Nested List Iterator,52.9%,Medium,0.6166300368504478, https://leetcode.com/problems/flatten-nested-list-iterator
780,Reaching Points,29.4%,Hard,0.612719105819513, https://leetcode.com/problems/reaching-points
528,Random Pick with Weight,43.9%,Medium,0.6100335190236106, https://leetcode.com/problems/random-pick-with-weight
36,Valid Sudoku,48.7%,Medium,0.589525373843642, https://leetcode.com/problems/valid-sudoku
679,24 Game,46.4%,Hard,0.5141123974726134, https://leetcode.com/problems/24-game
224,Basic Calculator,36.8%,Hard,0.4952386742713679, https://leetcode.com/problems/basic-calculator
34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.4780719820485919, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
668,Kth Smallest Number in Multiplication Table,45.6%,Hard,0.4506902061131003, https://leetcode.com/problems/kth-smallest-number-in-multiplication-table
642,Design Search Autocomplete System,44.7%,Hard,0.43349242036282026, https://leetcode.com/problems/design-search-autocomplete-system
359,Logger Rate Limiter,70.8%,Easy,0.4265185173059967, https://leetcode.com/problems/logger-rate-limiter
166,Fraction to Recurring Decimal,21.6%,Medium,0.4113847871284642, https://leetcode.com/problems/fraction-to-recurring-decimal
239,Sliding Window Maximum,43.0%,Hard,0.4104750065235096, https://leetcode.com/problems/sliding-window-maximum
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
49,Group Anagrams,56.9%,Medium,0.37923884429361854, https://leetcode.com/problems/group-anagrams
200,Number of Islands,46.8%,Medium,0.348349251262677, https://leetcode.com/problems/number-of-islands
805,Split Array With Same Average,26.4%,Hard,0.3416302106614813, https://leetcode.com/problems/split-array-with-same-average
399,Evaluate Division,51.6%,Medium,0.3338128467131867, https://leetcode.com/problems/evaluate-division
128,Longest Consecutive Sequence,45.1%,Hard,0.3251066222598543, https://leetcode.com/problems/longest-consecutive-sequence
381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.32306557634109756, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
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
640,Solve the Equation,42.0%,Medium,0.2840257612486704, https://leetcode.com/problems/solve-the-equation
130,Surrounded Regions,28.1%,Medium,0.2630816163130375, https://leetcode.com/problems/surrounded-regions
380,Insert Delete GetRandom O(1),47.5%,Medium,0.2612438587254704, https://leetcode.com/problems/insert-delete-getrandom-o1
301,Remove Invalid Parentheses,43.3%,Hard,0.25857398829371026, https://leetcode.com/problems/remove-invalid-parentheses
126,Word Ladder II,22.1%,Hard,0.25503976484865665, https://leetcode.com/problems/word-ladder-ii
542,01 Matrix,39.8%,Medium,0.2547335788363499, https://leetcode.com/problems/01-matrix
286,Walls and Gates,54.5%,Medium,0.2531417471996048, https://leetcode.com/problems/walls-and-gates
42,Trapping Rain Water,48.9%,Hard,0.24611721432868788, https://leetcode.com/problems/trapping-rain-water
365,Water and Jug Problem,30.6%,Medium,0.24587963229494916, https://leetcode.com/problems/water-and-jug-problem
527,Word Abbreviation,54.3%,Hard,0.24362208265775043, https://leetcode.com/problems/word-abbreviation
535,Encode and Decode TinyURL,79.9%,Medium,0.23740366313104297, https://leetcode.com/problems/encode-and-decode-tinyurl
57,Insert Interval,33.5%,Hard,0.23697938397356041, https://leetcode.com/problems/insert-interval
815,Bus Routes,42.5%,Hard,0.23395801030775792, https://leetcode.com/problems/bus-routes
552,Student Attendance Record II,36.7%,Hard,0.2265276492984503, https://leetcode.com/problems/student-attendance-record-ii
1,Two Sum,45.6%,Easy,0.2242758219657857, https://leetcode.com/problems/two-sum
353,Design Snake Game,34.2%,Medium,0.2228314901476892, https://leetcode.com/problems/design-snake-game
221,Maximal Square,37.7%,Medium,0.2218511119038007, https://leetcode.com/problems/maximal-square
149,Max Points on a Line,16.9%,Hard,0.20409535634351528, https://leetcode.com/problems/max-points-on-a-line
568,Maximum Vacation Days,40.8%,Hard,0.19966567025192705, https://leetcode.com/problems/maximum-vacation-days
17,Letter Combinations of a Phone Number,46.8%,Medium,0.19570536211262238, https://leetcode.com/problems/letter-combinations-of-a-phone-number
85,Maximal Rectangle,37.7%,Hard,0.1945507253203666, https://leetcode.com/problems/maximal-rectangle
863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.19019980471738818, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
3,Longest Substring Without Repeating Characters,30.4%,Medium,0.18722008570926535, https://leetcode.com/problems/longest-substring-without-repeating-characters
658,Find K Closest Elements,40.9%,Medium,0.18663941293482042, https://leetcode.com/problems/find-k-closest-elements
759,Employee Free Time,66.3%,Hard,0.1816986978513639, https://leetcode.com/problems/employee-free-time
76,Minimum Window Substring,34.6%,Hard,0.1731900290370625, https://leetcode.com/problems/minimum-window-substring
1278,Palindrome Partitioning III,59.9%,Hard,0.17284281283941086, https://leetcode.com/problems/palindrome-partitioning-iii
567,Permutation in String,44.4%,Medium,0.16931057302189864, https://leetcode.com/problems/permutation-in-string
244,Shortest Word Distance II,52.3%,Medium,0.16400297627026994, https://leetcode.com/problems/shortest-word-distance-ii
895,Maximum Frequency Stack,60.6%,Hard,0.1629613095094132, https://leetcode.com/problems/maximum-frequency-stack
493,Reverse Pairs,25.2%,Hard,0.16229864091884685, https://leetcode.com/problems/reverse-pairs
173,Binary Search Tree Iterator,56.6%,Medium,0.15925273171115378, https://leetcode.com/problems/binary-search-tree-iterator
243,Shortest Word Distance,61.0%,Easy,0.15400201410186742, https://leetcode.com/problems/shortest-word-distance
977,Squares of a Sorted Array,72.1%,Easy,0.15247843863489619, https://leetcode.com/problems/squares-of-a-sorted-array
451,Sort Characters By Frequency,63.0%,Medium,0.15031299478176025, https://leetcode.com/problems/sort-characters-by-frequency
362,Design Hit Counter,63.7%,Medium,0.1489960292385938, https://leetcode.com/problems/design-hit-counter
346,Moving Average from Data Stream,70.9%,Easy,0.14878873668587292, https://leetcode.com/problems/moving-average-from-data-stream
395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.14261022668001652, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
91,Decode Ways,24.7%,Medium,0.13946258598914826, https://leetcode.com/problems/decode-ways
279,Perfect Squares,47.4%,Medium,0.13815033848081718, https://leetcode.com/problems/perfect-squares
855,Exam Room,43.1%,Medium,0.13804422079620546, https://leetcode.com/problems/exam-room
32,Longest Valid Parentheses,28.4%,Hard,0.13667290598927465, https://leetcode.com/problems/longest-valid-parentheses
23,Merge k Sorted Lists,40.2%,Hard,0.13640708740119573, https://leetcode.com/problems/merge-k-sorted-lists
295,Find Median from Data Stream,44.3%,Hard,0.13508385924075386, https://leetcode.com/problems/find-median-from-data-stream
255,Verify Preorder Sequence in Binary Search Tree,45.7%,Medium,0.1348842676899421, https://leetcode.com/problems/verify-preorder-sequence-in-binary-search-tree
4,Median of Two Sorted Arrays,29.6%,Hard,0.13162453469432595, https://leetcode.com/problems/median-of-two-sorted-arrays
139,Word Break,40.1%,Medium,0.1314440532234174, https://leetcode.com/problems/word-break
22,Generate Parentheses,62.7%,Medium,0.12417283375515446, https://leetcode.com/problems/generate-parentheses
262,Trips and Users,32.7%,Hard,0.12266506325369182, https://leetcode.com/problems/trips-and-users
20,Valid Parentheses,39.0%,Easy,0.12182468348227132, https://leetcode.com/problems/valid-parentheses
207,Course Schedule,43.1%,Medium,0.11725761496207857, https://leetcode.com/problems/course-schedule
127,Word Ladder,29.6%,Medium,0.11461293205885352, https://leetcode.com/problems/word-ladder
212,Word Search II,34.9%,Hard,0.11439698130007839, https://leetcode.com/problems/word-search-ii
1188,Design Bounded Blocking Queue,70.5%,Medium,0.11030454201470608, https://leetcode.com/problems/design-bounded-blocking-queue
969,Pancake Sorting,67.5%,Medium,0.10724553035359762, https://leetcode.com/problems/pancake-sorting
388,Longest Absolute File Path,41.8%,Medium,0.105981440856292, https://leetcode.com/problems/longest-absolute-file-path
2,Add Two Numbers,33.9%,Medium,0.10270361758692534, https://leetcode.com/problems/add-two-numbers
336,Palindrome Pairs,33.7%,Hard,0.10259559233600947, https://leetcode.com/problems/palindrome-pairs
79,Word Search,35.6%,Medium,0.10132037593637946, https://leetcode.com/problems/word-search
391,Perfect Rectangle,30.5%,Hard,0.10109611687136877, https://leetcode.com/problems/perfect-rectangle
54,Spiral Matrix,34.1%,Medium,0.10061889164064056, https://leetcode.com/problems/spiral-matrix
1135,Connecting Cities With Minimum Cost,57.5%,Medium,0.09909090264423091, https://leetcode.com/problems/connecting-cities-with-minimum-cost
218,The Skyline Problem,34.6%,Hard,0.09823843958341322, https://leetcode.com/problems/the-skyline-problem
837,New 21 Game,34.6%,Medium,0.09646026618756222, https://leetcode.com/problems/new-21-game
954,Array of Doubled Pairs,35.6%,Medium,0.09531017980432487, https://leetcode.com/problems/array-of-doubled-pairs
752,Open the Lock,51.8%,Medium,0.09491410658218381, https://leetcode.com/problems/open-the-lock
490,The Maze,51.4%,Medium,0.09401490736696706, https://leetcode.com/problems/the-maze
826,Most Profit Assigning Work,38.5%,Medium,0.09287412500644375, https://leetcode.com/problems/most-profit-assigning-work
652,Find Duplicate Subtrees,50.2%,Medium,0.08907963005368878, https://leetcode.com/problems/find-duplicate-subtrees
564,Find the Closest Palindrome,19.7%,Hard,0.0840831172105414, https://leetcode.com/problems/find-the-closest-palindrome
317,Shortest Distance from All Buildings,41.4%,Hard,0.08345897538526194, https://leetcode.com/problems/shortest-distance-from-all-buildings
636,Exclusive Time of Functions,51.9%,Medium,0.08155306616046964, https://leetcode.com/problems/exclusive-time-of-functions
161,One Edit Distance,32.3%,Medium,0.07982960165248484, https://leetcode.com/problems/one-edit-distance
934,Shortest Bridge,48.2%,Medium,0.07940677760441046, https://leetcode.com/problems/shortest-bridge
210,Course Schedule II,40.7%,Medium,0.07762595476606639, https://leetcode.com/problems/course-schedule-ii
269,Alien Dictionary,33.3%,Hard,0.0770322180463687, https://leetcode.com/problems/alien-dictionary
273,Integer to English Words,27.1%,Hard,0.0732177031685638, https://leetcode.com/problems/integer-to-english-words
694,Number of Distinct Islands,56.0%,Medium,0.07232066157962612, https://leetcode.com/problems/number-of-distinct-islands
31,Next Permutation,32.6%,Medium,0.07101345814434841, https://leetcode.com/problems/next-permutation
438,Find All Anagrams in a String,43.3%,Medium,0.07086789751218016, https://leetcode.com/problems/find-all-anagrams-in-a-string
460,LFU Cache,34.2%,Hard,0.06836374280939023, https://leetcode.com/problems/lfu-cache
39,Combination Sum,56.1%,Medium,0.0678648829148938, https://leetcode.com/problems/combination-sum
289,Game of Life,54.5%,Medium,0.06756473699960104, https://leetcode.com/problems/game-of-life
251,Flatten 2D Vector,45.7%,Medium,0.06635933243696077, https://leetcode.com/problems/flatten-2d-vector
46,Permutations,63.5%,Medium,0.06541618594577135, https://leetcode.com/problems/permutations
298,Binary Tree Longest Consecutive Sequence,47.1%,Medium,0.065169635074581, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence
769,Max Chunks To Make Sorted,54.8%,Medium,0.06474752939415815, https://leetcode.com/problems/max-chunks-to-make-sorted
242,Valid Anagram,56.9%,Easy,0.06447998055429512, https://leetcode.com/problems/valid-anagram
340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.06298815293235048, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
420,Strong Password Checker,14.0%,Hard,0.061087691979838175, https://leetcode.com/problems/strong-password-checker
75,Sort Colors,47.3%,Medium,0.05950522970614658, https://leetcode.com/problems/sort-colors
40,Combination Sum II,48.2%,Medium,0.058414175143170426, https://leetcode.com/problems/combination-sum-ii
968,Binary Tree Cameras,37.5%,Hard,0.05790329283155908, https://leetcode.com/problems/binary-tree-cameras
74,Search a 2D Matrix,36.5%,Medium,0.057001980519332376, https://leetcode.com/problems/search-a-2d-matrix
1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.05637058926920947, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
162,Find Peak Element,43.3%,Medium,0.05575061760504993, https://leetcode.com/problems/find-peak-element
208,Implement Trie (Prefix Tree),49.4%,Medium,0.05559457257530485, https://leetcode.com/problems/implement-trie-prefix-tree
131,Palindrome Partitioning,47.5%,Medium,0.05449083692828802, https://leetcode.com/problems/palindrome-partitioning
348,Design Tic-Tac-Toe,54.3%,Medium,0.05368014946362379, https://leetcode.com/problems/design-tic-tac-toe
1229,Meeting Scheduler,52.7%,Medium,0.053560323833736816, https://leetcode.com/problems/meeting-scheduler
829,Consecutive Numbers Sum,37.5%,Hard,0.05341723749698583, https://leetcode.com/problems/consecutive-numbers-sum
329,Longest Increasing Path in a Matrix,43.4%,Hard,0.052557250738676044, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.05236798551731598, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
601,Human Traffic of Stadium,41.7%,Hard,0.05223119222544569, https://leetcode.com/problems/human-traffic-of-stadium
791,Custom Sort String,65.7%,Medium,0.05164658886216683, https://leetcode.com/problems/custom-sort-string
99,Recover Binary Search Tree,39.7%,Hard,0.051264071283762605, https://leetcode.com/problems/recover-binary-search-tree
740,Delete and Earn,48.6%,Medium,0.05109668266230467, https://leetcode.com/problems/delete-and-earn
681,Next Closest Time,45.0%,Medium,0.05045206096038863, https://leetcode.com/problems/next-closest-time
282,Expression Add Operators,35.5%,Hard,0.049982640867735496, https://leetcode.com/problems/expression-add-operators
449,Serialize and Deserialize BST,52.0%,Medium,0.049844204077291364, https://leetcode.com/problems/serialize-and-deserialize-bst
133,Clone Graph,34.8%,Medium,0.049801168649527466, https://leetcode.com/problems/clone-graph
889,Construct Binary Tree from Preorder and Postorder Traversal,66.2%,Medium,0.04902942724031861, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal
445,Add Two Numbers II,54.5%,Medium,0.04843561709959499, https://leetcode.com/problems/add-two-numbers-ii
1019,Next Greater Node In Linked List,57.4%,Medium,0.04795804429616222, https://leetcode.com/problems/next-greater-node-in-linked-list
486,Predict the Winner,47.9%,Medium,0.047122970130097065, https://leetcode.com/problems/predict-the-winner
97,Interleaving String,31.5%,Hard,0.04548535439411653, https://leetcode.com/problems/interleaving-string
78,Subsets,62.0%,Medium,0.044263005655043326, https://leetcode.com/problems/subsets
10,Regular Expression Matching,26.8%,Hard,0.04409107726484965, https://leetcode.com/problems/regular-expression-matching
611,Valid Triangle Number,48.4%,Medium,0.04255961441879593, https://leetcode.com/problems/valid-triangle-number
121,Best Time to Buy and Sell Stock,50.5%,Easy,0.04215422741819192, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,0.04154283751370906, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
211,Add and Search Word - Data structure design,38.1%,Medium,0.04111576039097048, https://leetcode.com/problems/add-and-search-word-data-structure-design
722,Remove Comments,34.6%,Medium,0.04049136135473691, https://leetcode.com/problems/remove-comments
918,Maximum Sum Circular Subarray,33.7%,Medium,0.04045040846284272, https://leetcode.com/problems/maximum-sum-circular-subarray
706,Design HashMap,61.3%,Easy,0.039016652342451774, https://leetcode.com/problems/design-hashmap
230,Kth Smallest Element in a BST,60.2%,Medium,0.03895787134280517, https://leetcode.com/problems/kth-smallest-element-in-a-bst
337,House Robber III,50.6%,Medium,0.03825370795946937, https://leetcode.com/problems/house-robber-iii
909,Snakes and Ladders,38.4%,Medium,0.038172573505029735, https://leetcode.com/problems/snakes-and-ladders
992,Subarrays with K Different Integers,48.6%,Hard,0.03700699810869683, https://leetcode.com/problems/subarrays-with-k-different-integers
646,Maximum Length of Pair Chain,51.9%,Medium,0.036870535808327706, https://leetcode.com/problems/maximum-length-of-pair-chain
376,Wiggle Subsequence,39.6%,Medium,0.03666771919188123, https://leetcode.com/problems/wiggle-subsequence
729,My Calendar I,51.8%,Medium,0.036433902246102004, https://leetcode.com/problems/my-calendar-i
468,Validate IP Address,24.1%,Medium,0.0344861760711693, https://leetcode.com/problems/validate-ip-address
53,Maximum Subarray,46.5%,Easy,0.03412208634661372, https://leetcode.com/problems/maximum-subarray
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
1011,Capacity To Ship Packages Within D Days,58.1%,Medium,0.030100090297855955, https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
135,Candy,31.6%,Hard,0.029764101906453892, https://leetcode.com/problems/candy
692,Top K Frequent Words,51.8%,Medium,0.029730915184679466, https://leetcode.com/problems/top-k-frequent-words
277,Find the Celebrity,41.8%,Medium,0.02969780239174205, https://leetcode.com/problems/find-the-celebrity
767,Reorganize String,48.7%,Medium,0.02967576814611661, https://leetcode.com/problems/reorganize-string
347,Top K Frequent Elements,61.2%,Medium,0.029662726238554857, https://leetcode.com/problems/top-k-frequent-elements
339,Nested List Weight Sum,74.0%,Easy,0.02960986116720276, https://leetcode.com/problems/nested-list-weight-sum
671,Second Minimum Node In a Binary Tree,42.7%,Easy,0.02958795718549609, https://leetcode.com/problems/second-minimum-node-in-a-binary-tree
695,Max Area of Island,62.7%,Medium,0.028321590863246118, https://leetcode.com/problems/max-area-of-island
621,Task Scheduler,50.1%,Medium,0.028315771352780777, https://leetcode.com/problems/task-scheduler
518,Coin Change 2,50.2%,Medium,0.027969505010125056, https://leetcode.com/problems/coin-change-2
311,Sparse Matrix Multiplication,61.9%,Medium,0.027702602549335792, https://leetcode.com/problems/sparse-matrix-multiplication
118,Pascal's Triangle,52.5%,Easy,0.02673062594465844, https://leetcode.com/problems/pascals-triangle
158,Read N Characters Given Read4 II - Call multiple times,33.8%,Hard,0.026196651946570663, https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
979,Distribute Coins in Binary Tree,68.9%,Medium,0.026196651946570663, https://leetcode.com/problems/distribute-coins-in-binary-tree
378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.02599048981653746, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
733,Flood Fill,55.3%,Easy,0.02506396866321625, https://leetcode.com/problems/flood-fill
983,Minimum Cost For Tickets,60.5%,Medium,0.02467737809337621, https://leetcode.com/problems/minimum-cost-for-tickets
238,Product of Array Except Self,60.1%,Medium,0.024315533698358247, https://leetcode.com/problems/product-of-array-except-self
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
140,Word Break II,32.6%,Hard,0.024104005752813337, https://leetcode.com/problems/word-break-ii
844,Backspace String Compare,46.4%,Easy,0.0235551325028849, https://leetcode.com/problems/backspace-string-compare
647,Palindromic Substrings,60.6%,Medium,0.023250853650202817, https://leetcode.com/problems/palindromic-substrings
973,K Closest Points to Origin,63.8%,Medium,0.022897394173017796, https://leetcode.com/problems/k-closest-points-to-origin
102,Binary Tree Level Order Traversal,54.6%,Medium,0.02252956425342345, https://leetcode.com/problems/binary-tree-level-order-traversal
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
398,Random Pick Index,56.0%,Medium,0.022075951699199795, https://leetcode.com/problems/random-pick-index
670,Maximum Swap,43.6%,Medium,0.020844944430365928, https://leetcode.com/problems/maximum-swap
5,Longest Palindromic Substring,29.5%,Medium,0.020329346568668867, https://leetcode.com/problems/longest-palindromic-substring
21,Merge Two Sorted Lists,53.5%,Easy,0.02011578137441701, https://leetcode.com/problems/merge-two-sorted-lists
229,Majority Element II,35.6%,Medium,0.019057270410286146, https://leetcode.com/problems/majority-element-ii
62,Unique Paths,54.1%,Medium,0.01835756003995383, https://leetcode.com/problems/unique-paths
70,Climbing Stairs,47.8%,Easy,0.018323749536870576, https://leetcode.com/problems/climbing-stairs
37,Sudoku Solver,43.6%,Hard,0.01821543989134118, https://leetcode.com/problems/sudoku-solver
560,Subarray Sum Equals K,43.9%,Medium,0.017009020666013328, https://leetcode.com/problems/subarray-sum-equals-k
16,3Sum Closest,46.0%,Medium,0.016854331554982106, https://leetcode.com/problems/3sum-closest
51,N-Queens,46.6%,Hard,0.016393809775676407, https://leetcode.com/problems/n-queens
299,Bulls and Cows,42.4%,Easy,0.016227536621756702, https://leetcode.com/problems/bulls-and-cows
334,Increasing Triplet Subsequence,40.0%,Medium,0.016058153168974937, https://leetcode.com/problems/increasing-triplet-subsequence
59,Spiral Matrix II,53.9%,Medium,0.01579187969789165, https://leetcode.com/problems/spiral-matrix-ii
114,Flatten Binary Tree to Linked List,49.3%,Medium,0.015450951155718977, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
198,House Robber,42.0%,Easy,0.014946565030639177, https://leetcode.com/problems/house-robber
177,Nth Highest Salary,31.4%,Medium,0.014373226241371741, https://leetcode.com/problems/nth-highest-salary
41,First Missing Positive,32.0%,Hard,0.014368063266920193, https://leetcode.com/problems/first-missing-positive
315,Count of Smaller Numbers After Self,41.5%,Hard,0.014352596574956585, https://leetcode.com/problems/count-of-smaller-numbers-after-self
150,Evaluate Reverse Polish Notation,36.3%,Medium,0.01413451093490476, https://leetcode.com/problems/evaluate-reverse-polish-notation
24,Swap Nodes in Pairs,50.4%,Medium,0.013945066390122038, https://leetcode.com/problems/swap-nodes-in-pairs
64,Minimum Path Sum,54.5%,Medium,0.013734383449598314, https://leetcode.com/problems/minimum-path-sum
101,Symmetric Tree,46.8%,Easy,0.013553786479814183, https://leetcode.com/problems/symmetric-tree
581,Shortest Unsorted Continuous Subarray,31.1%,Easy,0.013342426083839913, https://leetcode.com/problems/shortest-unsorted-continuous-subarray
33,Search in Rotated Sorted Array,34.5%,Medium,0.012857779194289386, https://leetcode.com/problems/search-in-rotated-sorted-array
199,Binary Tree Right Side View,54.1%,Medium,0.01274082919906162, https://leetcode.com/problems/binary-tree-right-side-view
852,Peak Index in a Mountain Array,71.6%,Easy,0.012618463959211509, https://leetcode.com/problems/peak-index-in-a-mountain-array
124,Binary Tree Maximum Path Sum,34.3%,Hard,0.012403687139326226, https://leetcode.com/problems/binary-tree-maximum-path-sum
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
300,Longest Increasing Subsequence,42.6%,Medium,0.011806512586989004, https://leetcode.com/problems/longest-increasing-subsequence
350,Intersection of Two Arrays II,51.4%,Easy,0.01168540951877908, https://leetcode.com/problems/intersection-of-two-arrays-ii
264,Ugly Number II,42.0%,Medium,0.011604423810414601, https://leetcode.com/problems/ugly-number-ii
283,Move Zeroes,57.8%,Easy,0.01149190266804209, https://leetcode.com/problems/move-zeroes
69,Sqrt(x),33.9%,Easy,0.011443227222342794, https://leetcode.com/problems/sqrtx
232,Implement Queue using Stacks,49.6%,Easy,0.011242389348933884, https://leetcode.com/problems/implement-queue-using-stacks
941,Valid Mountain Array,33.2%,Easy,0.011139073683009305, https://leetcode.com/problems/valid-mountain-array
338,Counting Bits,69.5%,Medium,0.01088446119842327, https://leetcode.com/problems/counting-bits
662,Maximum Width of Binary Tree,41.0%,Medium,0.010790501245113902, https://leetcode.com/problems/maximum-width-of-binary-tree
155,Min Stack,44.5%,Easy,0.010653509851791077, https://leetcode.com/problems/min-stack
236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.010575891759058162, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
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
47,Permutations II,46.4%,Medium,0.009673594178378379, https://leetcode.com/problems/permutations-ii
45,Jump Game II,30.6%,Hard,0.009546611883579968, https://leetcode.com/problems/jump-game-ii
206,Reverse Linked List,62.5%,Easy,0.009326794511974934, https://leetcode.com/problems/reverse-linked-list
43,Multiply Strings,33.9%,Medium,0.009145011150062768, https://leetcode.com/problems/multiply-strings
322,Coin Change,35.5%,Medium,0.00904437880665999, https://leetcode.com/problems/coin-change
15,3Sum,26.8%,Medium,0.00876717944353383, https://leetcode.com/problems/3sum
215,Kth Largest Element in an Array,55.4%,Medium,0.008759180089881562, https://leetcode.com/problems/kth-largest-element-in-an-array
50,Pow(x, n),30.3%,Medium,0.008728496167158806, https://leetcode.com/problems/powx-n
416,Partition Equal Subset Sum,43.7%,Medium,0.008686265255960345, https://leetcode.com/problems/partition-equal-subset-sum
8,String to Integer (atoi),15.4%,Medium,0.008513104762248265, https://leetcode.com/problems/string-to-integer-atoi
153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.008430963288799368, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.00821697310228087, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
26,Remove Duplicates from Sorted Array,45.1%,Easy,0.007782518973063169, https://leetcode.com/problems/remove-duplicates-from-sorted-array
6,ZigZag Conversion,36.3%,Medium,0.0077116248757144665, https://leetcode.com/problems/zigzag-conversion
145,Binary Tree Postorder Traversal,55.0%,Hard,0.00751459482064135, https://leetcode.com/problems/binary-tree-postorder-traversal
344,Reverse String,68.5%,Easy,0.00734157796234515, https://leetcode.com/problems/reverse-string
349,Intersection of Two Arrays,62.5%,Easy,0.00725034896230682, https://leetcode.com/problems/intersection-of-two-arrays
11,Container With Most Water,50.8%,Medium,0.006889188300412141, https://leetcode.com/problems/container-with-most-water
88,Merge Sorted Array,39.4%,Easy,0.006760335218638243, https://leetcode.com/problems/merge-sorted-array
98,Validate Binary Search Tree,27.8%,Medium,0.006611351489350257, https://leetcode.com/problems/validate-binary-search-tree
138,Copy List with Random Pointer,36.4%,Medium,0.006191011880825271, https://leetcode.com/problems/copy-list-with-random-pointer
278,First Bad Version,35.7%,Easy,0.005391575265790431, https://leetcode.com/problems/first-bad-version
48,Rotate Image,56.7%,Medium,0.0050955524266001265, https://leetcode.com/problems/rotate-image
55,Jump Game,34.6%,Medium,0.005022612266291382, https://leetcode.com/problems/jump-game
189,Rotate Array,34.7%,Easy,0.004029826126500844, https://leetcode.com/problems/rotate-array
13,Roman to Integer,55.7%,Easy,0.003428770717317083, https://leetcode.com/problems/roman-to-integer
94,Binary Tree Inorder Traversal,63.3%,Medium,0.0033551449021403577, https://leetcode.com/problems/binary-tree-inorder-traversal
66,Plus One,43.0%,Easy,0.00326211347832938, https://leetcode.com/problems/plus-one
154,Find Minimum in Rotated Sorted Array II,41.6%,Hard,0.0021273209107578427, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
7,Reverse Integer,25.8%,Easy,0.0018612447790907708, https://leetcode.com/problems/reverse-integer
203,Remove Linked List Elements,38.6%,Easy,0.0016237064659255223, https://leetcode.com/problems/remove-linked-list-elements
1 427 Construct Quad Tree 61.4% Medium 1.812347218370924 https://leetcode.com/problems/construct-quad-tree
2 529 Minesweeper 59.1% Medium 1.6823491789169709 https://leetcode.com/problems/minesweeper
3 741 Cherry Pickup 33.9% Hard 1.6681515178241457 https://leetcode.com/problems/cherry-pickup
4 465 Optimal Account Balancing 46.9% Hard 1.5791340687596236 https://leetcode.com/problems/optimal-account-balancing
5 332 Reconstruct Itinerary 36.7% Medium 1.4570962400494838 https://leetcode.com/problems/reconstruct-itinerary
6 291 Word Pattern II 43.4% Hard 1.327098200595531 https://leetcode.com/problems/word-pattern-ii
7 305 Number of Islands II 40.1% Hard 1.2993348513875815 https://leetcode.com/problems/number-of-islands-ii
8 757 Set Intersection Size At Least Two 40.1% Hard 1.2970683845427906 https://leetcode.com/problems/set-intersection-size-at-least-two
9 267 Palindrome Permutation II 36.4% Medium 1.2914164645383432 https://leetcode.com/problems/palindrome-permutation-ii
10 986 Interval List Intersections 67.3% Medium 1.1614184250843902 https://leetcode.com/problems/interval-list-intersections
11 361 Bomb Enemy 46.0% Medium 1.1535711729488671 https://leetcode.com/problems/bomb-enemy
12 773 Sliding Puzzle 59.3% Hard 1.1105884797148253 https://leetcode.com/problems/sliding-puzzle
13 655 Print Binary Tree 55.0% Medium 1.0605315351500602 https://leetcode.com/problems/print-binary-tree
14 68 Text Justification 27.7% Hard 1.0274647299045185 https://leetcode.com/problems/text-justification
15 428 Serialize and Deserialize N-ary Tree 59.4% Hard 0.9486721413771949 https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
16 253 Meeting Rooms II 45.7% Medium 0.818674101923242 https://leetcode.com/problems/meeting-rooms-ii
17 591 Tag Validator 34.3% Hard 0.7812544480702122 https://leetcode.com/problems/tag-validator
18 227 Basic Calculator II 36.9% Medium 0.7542487353396534 https://leetcode.com/problems/basic-calculator-ii
19 772 Basic Calculator III 41.3% Hard 0.7157652691477178 https://leetcode.com/problems/basic-calculator-iii
20 146 LRU Cache 33.2% Medium 0.6777555597343323 https://leetcode.com/problems/lru-cache
21 56 Merge Intervals 39.3% Medium 0.666351993828014 https://leetcode.com/problems/merge-intervals
22 297 Serialize and Deserialize Binary Tree 47.5% Hard 0.6623144848742207 https://leetcode.com/problems/serialize-and-deserialize-binary-tree
23 341 Flatten Nested List Iterator 52.9% Medium 0.6166300368504478 https://leetcode.com/problems/flatten-nested-list-iterator
24 780 Reaching Points 29.4% Hard 0.612719105819513 https://leetcode.com/problems/reaching-points
25 528 Random Pick with Weight 43.9% Medium 0.6100335190236106 https://leetcode.com/problems/random-pick-with-weight
26 36 Valid Sudoku 48.7% Medium 0.589525373843642 https://leetcode.com/problems/valid-sudoku
27 679 24 Game 46.4% Hard 0.5141123974726134 https://leetcode.com/problems/24-game
28 224 Basic Calculator 36.8% Hard 0.4952386742713679 https://leetcode.com/problems/basic-calculator
29 34 Find First and Last Position of Element in Sorted Array 36.2% Medium 0.4780719820485919 https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
30 668 Kth Smallest Number in Multiplication Table 45.6% Hard 0.4506902061131003 https://leetcode.com/problems/kth-smallest-number-in-multiplication-table
31 642 Design Search Autocomplete System 44.7% Hard 0.43349242036282026 https://leetcode.com/problems/design-search-autocomplete-system
32 359 Logger Rate Limiter 70.8% Easy 0.4265185173059967 https://leetcode.com/problems/logger-rate-limiter
33 166 Fraction to Recurring Decimal 21.6% Medium 0.4113847871284642 https://leetcode.com/problems/fraction-to-recurring-decimal
34 239 Sliding Window Maximum 43.0% Hard 0.4104750065235096 https://leetcode.com/problems/sliding-window-maximum
35 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
36 49 Group Anagrams 56.9% Medium 0.37923884429361854 https://leetcode.com/problems/group-anagrams
37 200 Number of Islands 46.8% Medium 0.348349251262677 https://leetcode.com/problems/number-of-islands
38 805 Split Array With Same Average 26.4% Hard 0.3416302106614813 https://leetcode.com/problems/split-array-with-same-average
39 399 Evaluate Division 51.6% Medium 0.3338128467131867 https://leetcode.com/problems/evaluate-division
40 128 Longest Consecutive Sequence 45.1% Hard 0.3251066222598543 https://leetcode.com/problems/longest-consecutive-sequence
41 381 Insert Delete GetRandom O(1) - Duplicates allowed 34.1% Hard 0.32306557634109756 https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
42 936 Stamping The Sequence 42.8% Hard 0.2972515234679316 https://leetcode.com/problems/stamping-the-sequence
43 1136 Parallel Courses 61.1% Hard 0.2858421455297737 https://leetcode.com/problems/parallel-courses
44 640 Solve the Equation 42.0% Medium 0.2840257612486704 https://leetcode.com/problems/solve-the-equation
45 130 Surrounded Regions 28.1% Medium 0.2630816163130375 https://leetcode.com/problems/surrounded-regions
46 380 Insert Delete GetRandom O(1) 47.5% Medium 0.2612438587254704 https://leetcode.com/problems/insert-delete-getrandom-o1
47 301 Remove Invalid Parentheses 43.3% Hard 0.25857398829371026 https://leetcode.com/problems/remove-invalid-parentheses
48 126 Word Ladder II 22.1% Hard 0.25503976484865665 https://leetcode.com/problems/word-ladder-ii
49 542 01 Matrix 39.8% Medium 0.2547335788363499 https://leetcode.com/problems/01-matrix
50 286 Walls and Gates 54.5% Medium 0.2531417471996048 https://leetcode.com/problems/walls-and-gates
51 42 Trapping Rain Water 48.9% Hard 0.24611721432868788 https://leetcode.com/problems/trapping-rain-water
52 365 Water and Jug Problem 30.6% Medium 0.24587963229494916 https://leetcode.com/problems/water-and-jug-problem
53 527 Word Abbreviation 54.3% Hard 0.24362208265775043 https://leetcode.com/problems/word-abbreviation
54 535 Encode and Decode TinyURL 79.9% Medium 0.23740366313104297 https://leetcode.com/problems/encode-and-decode-tinyurl
55 57 Insert Interval 33.5% Hard 0.23697938397356041 https://leetcode.com/problems/insert-interval
56 815 Bus Routes 42.5% Hard 0.23395801030775792 https://leetcode.com/problems/bus-routes
57 552 Student Attendance Record II 36.7% Hard 0.2265276492984503 https://leetcode.com/problems/student-attendance-record-ii
58 1 Two Sum 45.6% Easy 0.2242758219657857 https://leetcode.com/problems/two-sum
59 353 Design Snake Game 34.2% Medium 0.2228314901476892 https://leetcode.com/problems/design-snake-game
60 221 Maximal Square 37.7% Medium 0.2218511119038007 https://leetcode.com/problems/maximal-square
61 149 Max Points on a Line 16.9% Hard 0.20409535634351528 https://leetcode.com/problems/max-points-on-a-line
62 568 Maximum Vacation Days 40.8% Hard 0.19966567025192705 https://leetcode.com/problems/maximum-vacation-days
63 17 Letter Combinations of a Phone Number 46.8% Medium 0.19570536211262238 https://leetcode.com/problems/letter-combinations-of-a-phone-number
64 85 Maximal Rectangle 37.7% Hard 0.1945507253203666 https://leetcode.com/problems/maximal-rectangle
65 863 All Nodes Distance K in Binary Tree 55.4% Medium 0.19019980471738818 https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
66 3 Longest Substring Without Repeating Characters 30.4% Medium 0.18722008570926535 https://leetcode.com/problems/longest-substring-without-repeating-characters
67 658 Find K Closest Elements 40.9% Medium 0.18663941293482042 https://leetcode.com/problems/find-k-closest-elements
68 759 Employee Free Time 66.3% Hard 0.1816986978513639 https://leetcode.com/problems/employee-free-time
69 76 Minimum Window Substring 34.6% Hard 0.1731900290370625 https://leetcode.com/problems/minimum-window-substring
70 1278 Palindrome Partitioning III 59.9% Hard 0.17284281283941086 https://leetcode.com/problems/palindrome-partitioning-iii
71 567 Permutation in String 44.4% Medium 0.16931057302189864 https://leetcode.com/problems/permutation-in-string
72 244 Shortest Word Distance II 52.3% Medium 0.16400297627026994 https://leetcode.com/problems/shortest-word-distance-ii
73 895 Maximum Frequency Stack 60.6% Hard 0.1629613095094132 https://leetcode.com/problems/maximum-frequency-stack
74 493 Reverse Pairs 25.2% Hard 0.16229864091884685 https://leetcode.com/problems/reverse-pairs
75 173 Binary Search Tree Iterator 56.6% Medium 0.15925273171115378 https://leetcode.com/problems/binary-search-tree-iterator
76 243 Shortest Word Distance 61.0% Easy 0.15400201410186742 https://leetcode.com/problems/shortest-word-distance
77 977 Squares of a Sorted Array 72.1% Easy 0.15247843863489619 https://leetcode.com/problems/squares-of-a-sorted-array
78 451 Sort Characters By Frequency 63.0% Medium 0.15031299478176025 https://leetcode.com/problems/sort-characters-by-frequency
79 362 Design Hit Counter 63.7% Medium 0.1489960292385938 https://leetcode.com/problems/design-hit-counter
80 346 Moving Average from Data Stream 70.9% Easy 0.14878873668587292 https://leetcode.com/problems/moving-average-from-data-stream
81 395 Longest Substring with At Least K Repeating Characters 41.4% Medium 0.14261022668001652 https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
82 91 Decode Ways 24.7% Medium 0.13946258598914826 https://leetcode.com/problems/decode-ways
83 279 Perfect Squares 47.4% Medium 0.13815033848081718 https://leetcode.com/problems/perfect-squares
84 855 Exam Room 43.1% Medium 0.13804422079620546 https://leetcode.com/problems/exam-room
85 32 Longest Valid Parentheses 28.4% Hard 0.13667290598927465 https://leetcode.com/problems/longest-valid-parentheses
86 23 Merge k Sorted Lists 40.2% Hard 0.13640708740119573 https://leetcode.com/problems/merge-k-sorted-lists
87 295 Find Median from Data Stream 44.3% Hard 0.13508385924075386 https://leetcode.com/problems/find-median-from-data-stream
88 255 Verify Preorder Sequence in Binary Search Tree 45.7% Medium 0.1348842676899421 https://leetcode.com/problems/verify-preorder-sequence-in-binary-search-tree
89 4 Median of Two Sorted Arrays 29.6% Hard 0.13162453469432595 https://leetcode.com/problems/median-of-two-sorted-arrays
90 139 Word Break 40.1% Medium 0.1314440532234174 https://leetcode.com/problems/word-break
91 22 Generate Parentheses 62.7% Medium 0.12417283375515446 https://leetcode.com/problems/generate-parentheses
92 262 Trips and Users 32.7% Hard 0.12266506325369182 https://leetcode.com/problems/trips-and-users
93 20 Valid Parentheses 39.0% Easy 0.12182468348227132 https://leetcode.com/problems/valid-parentheses
94 207 Course Schedule 43.1% Medium 0.11725761496207857 https://leetcode.com/problems/course-schedule
95 127 Word Ladder 29.6% Medium 0.11461293205885352 https://leetcode.com/problems/word-ladder
96 212 Word Search II 34.9% Hard 0.11439698130007839 https://leetcode.com/problems/word-search-ii
97 1188 Design Bounded Blocking Queue 70.5% Medium 0.11030454201470608 https://leetcode.com/problems/design-bounded-blocking-queue
98 969 Pancake Sorting 67.5% Medium 0.10724553035359762 https://leetcode.com/problems/pancake-sorting
99 388 Longest Absolute File Path 41.8% Medium 0.105981440856292 https://leetcode.com/problems/longest-absolute-file-path
100 2 Add Two Numbers 33.9% Medium 0.10270361758692534 https://leetcode.com/problems/add-two-numbers
101 336 Palindrome Pairs 33.7% Hard 0.10259559233600947 https://leetcode.com/problems/palindrome-pairs
102 79 Word Search 35.6% Medium 0.10132037593637946 https://leetcode.com/problems/word-search
103 391 Perfect Rectangle 30.5% Hard 0.10109611687136877 https://leetcode.com/problems/perfect-rectangle
104 54 Spiral Matrix 34.1% Medium 0.10061889164064056 https://leetcode.com/problems/spiral-matrix
105 1135 Connecting Cities With Minimum Cost 57.5% Medium 0.09909090264423091 https://leetcode.com/problems/connecting-cities-with-minimum-cost
106 218 The Skyline Problem 34.6% Hard 0.09823843958341322 https://leetcode.com/problems/the-skyline-problem
107 837 New 21 Game 34.6% Medium 0.09646026618756222 https://leetcode.com/problems/new-21-game
108 954 Array of Doubled Pairs 35.6% Medium 0.09531017980432487 https://leetcode.com/problems/array-of-doubled-pairs
109 752 Open the Lock 51.8% Medium 0.09491410658218381 https://leetcode.com/problems/open-the-lock
110 490 The Maze 51.4% Medium 0.09401490736696706 https://leetcode.com/problems/the-maze
111 826 Most Profit Assigning Work 38.5% Medium 0.09287412500644375 https://leetcode.com/problems/most-profit-assigning-work
112 652 Find Duplicate Subtrees 50.2% Medium 0.08907963005368878 https://leetcode.com/problems/find-duplicate-subtrees
113 564 Find the Closest Palindrome 19.7% Hard 0.0840831172105414 https://leetcode.com/problems/find-the-closest-palindrome
114 317 Shortest Distance from All Buildings 41.4% Hard 0.08345897538526194 https://leetcode.com/problems/shortest-distance-from-all-buildings
115 636 Exclusive Time of Functions 51.9% Medium 0.08155306616046964 https://leetcode.com/problems/exclusive-time-of-functions
116 161 One Edit Distance 32.3% Medium 0.07982960165248484 https://leetcode.com/problems/one-edit-distance
117 934 Shortest Bridge 48.2% Medium 0.07940677760441046 https://leetcode.com/problems/shortest-bridge
118 210 Course Schedule II 40.7% Medium 0.07762595476606639 https://leetcode.com/problems/course-schedule-ii
119 269 Alien Dictionary 33.3% Hard 0.0770322180463687 https://leetcode.com/problems/alien-dictionary
120 273 Integer to English Words 27.1% Hard 0.0732177031685638 https://leetcode.com/problems/integer-to-english-words
121 694 Number of Distinct Islands 56.0% Medium 0.07232066157962612 https://leetcode.com/problems/number-of-distinct-islands
122 31 Next Permutation 32.6% Medium 0.07101345814434841 https://leetcode.com/problems/next-permutation
123 438 Find All Anagrams in a String 43.3% Medium 0.07086789751218016 https://leetcode.com/problems/find-all-anagrams-in-a-string
124 460 LFU Cache 34.2% Hard 0.06836374280939023 https://leetcode.com/problems/lfu-cache
125 39 Combination Sum 56.1% Medium 0.0678648829148938 https://leetcode.com/problems/combination-sum
126 289 Game of Life 54.5% Medium 0.06756473699960104 https://leetcode.com/problems/game-of-life
127 251 Flatten 2D Vector 45.7% Medium 0.06635933243696077 https://leetcode.com/problems/flatten-2d-vector
128 46 Permutations 63.5% Medium 0.06541618594577135 https://leetcode.com/problems/permutations
129 298 Binary Tree Longest Consecutive Sequence 47.1% Medium 0.065169635074581 https://leetcode.com/problems/binary-tree-longest-consecutive-sequence
130 769 Max Chunks To Make Sorted 54.8% Medium 0.06474752939415815 https://leetcode.com/problems/max-chunks-to-make-sorted
131 242 Valid Anagram 56.9% Easy 0.06447998055429512 https://leetcode.com/problems/valid-anagram
132 340 Longest Substring with At Most K Distinct Characters 44.1% Hard 0.06298815293235048 https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
133 420 Strong Password Checker 14.0% Hard 0.061087691979838175 https://leetcode.com/problems/strong-password-checker
134 75 Sort Colors 47.3% Medium 0.05950522970614658 https://leetcode.com/problems/sort-colors
135 40 Combination Sum II 48.2% Medium 0.058414175143170426 https://leetcode.com/problems/combination-sum-ii
136 968 Binary Tree Cameras 37.5% Hard 0.05790329283155908 https://leetcode.com/problems/binary-tree-cameras
137 74 Search a 2D Matrix 36.5% Medium 0.057001980519332376 https://leetcode.com/problems/search-a-2d-matrix
138 1038 Binary Search Tree to Greater Sum Tree 80.8% Medium 0.05637058926920947 https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
139 162 Find Peak Element 43.3% Medium 0.05575061760504993 https://leetcode.com/problems/find-peak-element
140 208 Implement Trie (Prefix Tree) 49.4% Medium 0.05559457257530485 https://leetcode.com/problems/implement-trie-prefix-tree
141 131 Palindrome Partitioning 47.5% Medium 0.05449083692828802 https://leetcode.com/problems/palindrome-partitioning
142 348 Design Tic-Tac-Toe 54.3% Medium 0.05368014946362379 https://leetcode.com/problems/design-tic-tac-toe
143 1229 Meeting Scheduler 52.7% Medium 0.053560323833736816 https://leetcode.com/problems/meeting-scheduler
144 829 Consecutive Numbers Sum 37.5% Hard 0.05341723749698583 https://leetcode.com/problems/consecutive-numbers-sum
145 329 Longest Increasing Path in a Matrix 43.4% Hard 0.052557250738676044 https://leetcode.com/problems/longest-increasing-path-in-a-matrix
146 122 Best Time to Buy and Sell Stock II 57.0% Easy 0.05236798551731598 https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
147 601 Human Traffic of Stadium 41.7% Hard 0.05223119222544569 https://leetcode.com/problems/human-traffic-of-stadium
148 791 Custom Sort String 65.7% Medium 0.05164658886216683 https://leetcode.com/problems/custom-sort-string
149 99 Recover Binary Search Tree 39.7% Hard 0.051264071283762605 https://leetcode.com/problems/recover-binary-search-tree
150 740 Delete and Earn 48.6% Medium 0.05109668266230467 https://leetcode.com/problems/delete-and-earn
151 681 Next Closest Time 45.0% Medium 0.05045206096038863 https://leetcode.com/problems/next-closest-time
152 282 Expression Add Operators 35.5% Hard 0.049982640867735496 https://leetcode.com/problems/expression-add-operators
153 449 Serialize and Deserialize BST 52.0% Medium 0.049844204077291364 https://leetcode.com/problems/serialize-and-deserialize-bst
154 133 Clone Graph 34.8% Medium 0.049801168649527466 https://leetcode.com/problems/clone-graph
155 889 Construct Binary Tree from Preorder and Postorder Traversal 66.2% Medium 0.04902942724031861 https://leetcode.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal
156 445 Add Two Numbers II 54.5% Medium 0.04843561709959499 https://leetcode.com/problems/add-two-numbers-ii
157 1019 Next Greater Node In Linked List 57.4% Medium 0.04795804429616222 https://leetcode.com/problems/next-greater-node-in-linked-list
158 486 Predict the Winner 47.9% Medium 0.047122970130097065 https://leetcode.com/problems/predict-the-winner
159 97 Interleaving String 31.5% Hard 0.04548535439411653 https://leetcode.com/problems/interleaving-string
160 78 Subsets 62.0% Medium 0.044263005655043326 https://leetcode.com/problems/subsets
161 10 Regular Expression Matching 26.8% Hard 0.04409107726484965 https://leetcode.com/problems/regular-expression-matching
162 611 Valid Triangle Number 48.4% Medium 0.04255961441879593 https://leetcode.com/problems/valid-triangle-number
163 121 Best Time to Buy and Sell Stock 50.5% Easy 0.04215422741819192 https://leetcode.com/problems/best-time-to-buy-and-sell-stock
164 430 Flatten a Multilevel Doubly Linked List 55.1% Medium 0.04154283751370906 https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
165 211 Add and Search Word - Data structure design 38.1% Medium 0.04111576039097048 https://leetcode.com/problems/add-and-search-word-data-structure-design
166 722 Remove Comments 34.6% Medium 0.04049136135473691 https://leetcode.com/problems/remove-comments
167 918 Maximum Sum Circular Subarray 33.7% Medium 0.04045040846284272 https://leetcode.com/problems/maximum-sum-circular-subarray
168 706 Design HashMap 61.3% Easy 0.039016652342451774 https://leetcode.com/problems/design-hashmap
169 230 Kth Smallest Element in a BST 60.2% Medium 0.03895787134280517 https://leetcode.com/problems/kth-smallest-element-in-a-bst
170 337 House Robber III 50.6% Medium 0.03825370795946937 https://leetcode.com/problems/house-robber-iii
171 909 Snakes and Ladders 38.4% Medium 0.038172573505029735 https://leetcode.com/problems/snakes-and-ladders
172 992 Subarrays with K Different Integers 48.6% Hard 0.03700699810869683 https://leetcode.com/problems/subarrays-with-k-different-integers
173 646 Maximum Length of Pair Chain 51.9% Medium 0.036870535808327706 https://leetcode.com/problems/maximum-length-of-pair-chain
174 376 Wiggle Subsequence 39.6% Medium 0.03666771919188123 https://leetcode.com/problems/wiggle-subsequence
175 729 My Calendar I 51.8% Medium 0.036433902246102004 https://leetcode.com/problems/my-calendar-i
176 468 Validate IP Address 24.1% Medium 0.0344861760711693 https://leetcode.com/problems/validate-ip-address
177 53 Maximum Subarray 46.5% Easy 0.03412208634661372 https://leetcode.com/problems/maximum-subarray
178 1146 Snapshot Array 37.0% Medium 0.0317991816929387 https://leetcode.com/problems/snapshot-array
179 1091 Shortest Path in Binary Matrix 38.2% Medium 0.03164821095078173 https://leetcode.com/problems/shortest-path-in-binary-matrix
180 228 Summary Ranges 39.5% Medium 0.03157326191609021 https://leetcode.com/problems/summary-ranges
181 1011 Capacity To Ship Packages Within D Days 58.1% Medium 0.030100090297855955 https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
182 135 Candy 31.6% Hard 0.029764101906453892 https://leetcode.com/problems/candy
183 692 Top K Frequent Words 51.8% Medium 0.029730915184679466 https://leetcode.com/problems/top-k-frequent-words
184 277 Find the Celebrity 41.8% Medium 0.02969780239174205 https://leetcode.com/problems/find-the-celebrity
185 767 Reorganize String 48.7% Medium 0.02967576814611661 https://leetcode.com/problems/reorganize-string
186 347 Top K Frequent Elements 61.2% Medium 0.029662726238554857 https://leetcode.com/problems/top-k-frequent-elements
187 339 Nested List Weight Sum 74.0% Easy 0.02960986116720276 https://leetcode.com/problems/nested-list-weight-sum
188 671 Second Minimum Node In a Binary Tree 42.7% Easy 0.02958795718549609 https://leetcode.com/problems/second-minimum-node-in-a-binary-tree
189 695 Max Area of Island 62.7% Medium 0.028321590863246118 https://leetcode.com/problems/max-area-of-island
190 621 Task Scheduler 50.1% Medium 0.028315771352780777 https://leetcode.com/problems/task-scheduler
191 518 Coin Change 2 50.2% Medium 0.027969505010125056 https://leetcode.com/problems/coin-change-2
192 311 Sparse Matrix Multiplication 61.9% Medium 0.027702602549335792 https://leetcode.com/problems/sparse-matrix-multiplication
193 118 Pascal's Triangle 52.5% Easy 0.02673062594465844 https://leetcode.com/problems/pascals-triangle
194 158 Read N Characters Given Read4 II - Call multiple times 33.8% Hard 0.026196651946570663 https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
195 979 Distribute Coins in Binary Tree 68.9% Medium 0.026196651946570663 https://leetcode.com/problems/distribute-coins-in-binary-tree
196 378 Kth Smallest Element in a Sorted Matrix 54.3% Medium 0.02599048981653746 https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
197 733 Flood Fill 55.3% Easy 0.02506396866321625 https://leetcode.com/problems/flood-fill
198 983 Minimum Cost For Tickets 60.5% Medium 0.02467737809337621 https://leetcode.com/problems/minimum-cost-for-tickets
199 238 Product of Array Except Self 60.1% Medium 0.024315533698358247 https://leetcode.com/problems/product-of-array-except-self
200 426 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
201 140 Word Break II 32.6% Hard 0.024104005752813337 https://leetcode.com/problems/word-break-ii
202 844 Backspace String Compare 46.4% Easy 0.0235551325028849 https://leetcode.com/problems/backspace-string-compare
203 647 Palindromic Substrings 60.6% Medium 0.023250853650202817 https://leetcode.com/problems/palindromic-substrings
204 973 K Closest Points to Origin 63.8% Medium 0.022897394173017796 https://leetcode.com/problems/k-closest-points-to-origin
205 102 Binary Tree Level Order Traversal 54.6% Medium 0.02252956425342345 https://leetcode.com/problems/binary-tree-level-order-traversal
206 981 Time Based Key-Value Store 53.1% Medium 0.02226024024151985 https://leetcode.com/problems/time-based-key-value-store
207 152 Maximum Product Subarray 31.7% Medium 0.022176931045949227 https://leetcode.com/problems/maximum-product-subarray
208 398 Random Pick Index 56.0% Medium 0.022075951699199795 https://leetcode.com/problems/random-pick-index
209 670 Maximum Swap 43.6% Medium 0.020844944430365928 https://leetcode.com/problems/maximum-swap
210 5 Longest Palindromic Substring 29.5% Medium 0.020329346568668867 https://leetcode.com/problems/longest-palindromic-substring
211 21 Merge Two Sorted Lists 53.5% Easy 0.02011578137441701 https://leetcode.com/problems/merge-two-sorted-lists
212 229 Majority Element II 35.6% Medium 0.019057270410286146 https://leetcode.com/problems/majority-element-ii
213 62 Unique Paths 54.1% Medium 0.01835756003995383 https://leetcode.com/problems/unique-paths
214 70 Climbing Stairs 47.8% Easy 0.018323749536870576 https://leetcode.com/problems/climbing-stairs
215 37 Sudoku Solver 43.6% Hard 0.01821543989134118 https://leetcode.com/problems/sudoku-solver
216 560 Subarray Sum Equals K 43.9% Medium 0.017009020666013328 https://leetcode.com/problems/subarray-sum-equals-k
217 16 3Sum Closest 46.0% Medium 0.016854331554982106 https://leetcode.com/problems/3sum-closest
218 51 N-Queens 46.6% Hard 0.016393809775676407 https://leetcode.com/problems/n-queens
219 299 Bulls and Cows 42.4% Easy 0.016227536621756702 https://leetcode.com/problems/bulls-and-cows
220 334 Increasing Triplet Subsequence 40.0% Medium 0.016058153168974937 https://leetcode.com/problems/increasing-triplet-subsequence
221 59 Spiral Matrix II 53.9% Medium 0.01579187969789165 https://leetcode.com/problems/spiral-matrix-ii
222 114 Flatten Binary Tree to Linked List 49.3% Medium 0.015450951155718977 https://leetcode.com/problems/flatten-binary-tree-to-linked-list
223 198 House Robber 42.0% Easy 0.014946565030639177 https://leetcode.com/problems/house-robber
224 177 Nth Highest Salary 31.4% Medium 0.014373226241371741 https://leetcode.com/problems/nth-highest-salary
225 41 First Missing Positive 32.0% Hard 0.014368063266920193 https://leetcode.com/problems/first-missing-positive
226 315 Count of Smaller Numbers After Self 41.5% Hard 0.014352596574956585 https://leetcode.com/problems/count-of-smaller-numbers-after-self
227 150 Evaluate Reverse Polish Notation 36.3% Medium 0.01413451093490476 https://leetcode.com/problems/evaluate-reverse-polish-notation
228 24 Swap Nodes in Pairs 50.4% Medium 0.013945066390122038 https://leetcode.com/problems/swap-nodes-in-pairs
229 64 Minimum Path Sum 54.5% Medium 0.013734383449598314 https://leetcode.com/problems/minimum-path-sum
230 101 Symmetric Tree 46.8% Easy 0.013553786479814183 https://leetcode.com/problems/symmetric-tree
231 581 Shortest Unsorted Continuous Subarray 31.1% Easy 0.013342426083839913 https://leetcode.com/problems/shortest-unsorted-continuous-subarray
232 33 Search in Rotated Sorted Array 34.5% Medium 0.012857779194289386 https://leetcode.com/problems/search-in-rotated-sorted-array
233 199 Binary Tree Right Side View 54.1% Medium 0.01274082919906162 https://leetcode.com/problems/binary-tree-right-side-view
234 852 Peak Index in a Mountain Array 71.6% Easy 0.012618463959211509 https://leetcode.com/problems/peak-index-in-a-mountain-array
235 124 Binary Tree Maximum Path Sum 34.3% Hard 0.012403687139326226 https://leetcode.com/problems/binary-tree-maximum-path-sum
236 547 Friend Circles 58.6% Medium 0.012228828639434596 https://leetcode.com/problems/friend-circles
237 437 Path Sum III 47.2% Medium 0.012128711446614806 https://leetcode.com/problems/path-sum-iii
238 300 Longest Increasing Subsequence 42.6% Medium 0.011806512586989004 https://leetcode.com/problems/longest-increasing-subsequence
239 350 Intersection of Two Arrays II 51.4% Easy 0.01168540951877908 https://leetcode.com/problems/intersection-of-two-arrays-ii
240 264 Ugly Number II 42.0% Medium 0.011604423810414601 https://leetcode.com/problems/ugly-number-ii
241 283 Move Zeroes 57.8% Easy 0.01149190266804209 https://leetcode.com/problems/move-zeroes
242 69 Sqrt(x) 33.9% Easy 0.011443227222342794 https://leetcode.com/problems/sqrtx
243 232 Implement Queue using Stacks 49.6% Easy 0.011242389348933884 https://leetcode.com/problems/implement-queue-using-stacks
244 941 Valid Mountain Array 33.2% Easy 0.011139073683009305 https://leetcode.com/problems/valid-mountain-array
245 338 Counting Bits 69.5% Medium 0.01088446119842327 https://leetcode.com/problems/counting-bits
246 662 Maximum Width of Binary Tree 41.0% Medium 0.010790501245113902 https://leetcode.com/problems/maximum-width-of-binary-tree
247 155 Min Stack 44.5% Easy 0.010653509851791077 https://leetcode.com/problems/min-stack
248 236 Lowest Common Ancestor of a Binary Tree 45.7% Medium 0.010575891759058162 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
249 739 Daily Temperatures 63.3% Medium 0.010032690121814417 https://leetcode.com/problems/daily-temperatures
250 72 Edit Distance 44.8% Hard 0.010017614452317782 https://leetcode.com/problems/edit-distance
251 47 Permutations II 46.4% Medium 0.009673594178378379 https://leetcode.com/problems/permutations-ii
252 45 Jump Game II 30.6% Hard 0.009546611883579968 https://leetcode.com/problems/jump-game-ii
253 206 Reverse Linked List 62.5% Easy 0.009326794511974934 https://leetcode.com/problems/reverse-linked-list
254 43 Multiply Strings 33.9% Medium 0.009145011150062768 https://leetcode.com/problems/multiply-strings
255 322 Coin Change 35.5% Medium 0.00904437880665999 https://leetcode.com/problems/coin-change
256 15 3Sum 26.8% Medium 0.00876717944353383 https://leetcode.com/problems/3sum
257 215 Kth Largest Element in an Array 55.4% Medium 0.008759180089881562 https://leetcode.com/problems/kth-largest-element-in-an-array
258 50 Pow(x n) 30.3% Medium 0.008728496167158806 https://leetcode.com/problems/powx-n
259 416 Partition Equal Subset Sum 43.7% Medium 0.008686265255960345 https://leetcode.com/problems/partition-equal-subset-sum
260 8 String to Integer (atoi) 15.4% Medium 0.008513104762248265 https://leetcode.com/problems/string-to-integer-atoi
261 153 Find Minimum in Rotated Sorted Array 45.1% Medium 0.008430963288799368 https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
262 235 Lowest Common Ancestor of a Binary Search Tree 49.9% Easy 0.00821697310228087 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
263 26 Remove Duplicates from Sorted Array 45.1% Easy 0.007782518973063169 https://leetcode.com/problems/remove-duplicates-from-sorted-array
264 6 ZigZag Conversion 36.3% Medium 0.0077116248757144665 https://leetcode.com/problems/zigzag-conversion
265 145 Binary Tree Postorder Traversal 55.0% Hard 0.00751459482064135 https://leetcode.com/problems/binary-tree-postorder-traversal
266 344 Reverse String 68.5% Easy 0.00734157796234515 https://leetcode.com/problems/reverse-string
267 349 Intersection of Two Arrays 62.5% Easy 0.00725034896230682 https://leetcode.com/problems/intersection-of-two-arrays
268 11 Container With Most Water 50.8% Medium 0.006889188300412141 https://leetcode.com/problems/container-with-most-water
269 88 Merge Sorted Array 39.4% Easy 0.006760335218638243 https://leetcode.com/problems/merge-sorted-array
270 98 Validate Binary Search Tree 27.8% Medium 0.006611351489350257 https://leetcode.com/problems/validate-binary-search-tree
271 138 Copy List with Random Pointer 36.4% Medium 0.006191011880825271 https://leetcode.com/problems/copy-list-with-random-pointer
272 278 First Bad Version 35.7% Easy 0.005391575265790431 https://leetcode.com/problems/first-bad-version
273 48 Rotate Image 56.7% Medium 0.0050955524266001265 https://leetcode.com/problems/rotate-image
274 55 Jump Game 34.6% Medium 0.005022612266291382 https://leetcode.com/problems/jump-game
275 189 Rotate Array 34.7% Easy 0.004029826126500844 https://leetcode.com/problems/rotate-array
276 13 Roman to Integer 55.7% Easy 0.003428770717317083 https://leetcode.com/problems/roman-to-integer
277 94 Binary Tree Inorder Traversal 63.3% Medium 0.0033551449021403577 https://leetcode.com/problems/binary-tree-inorder-traversal
278 66 Plus One 43.0% Easy 0.00326211347832938 https://leetcode.com/problems/plus-one
279 154 Find Minimum in Rotated Sorted Array II 41.6% Hard 0.0021273209107578427 https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
280 7 Reverse Integer 25.8% Easy 0.0018612447790907708 https://leetcode.com/problems/reverse-integer
281 203 Remove Linked List Elements 38.6% Easy 0.0016237064659255223 https://leetcode.com/problems/remove-linked-list-elements