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937,Reorder Data in Log Files,54.3%,Easy,4.767247308723531, https://leetcode.com/problems/reorder-data-in-log-files
1192,Critical Connections in a Network,48.6%,Hard,4.608392488817646, https://leetcode.com/problems/critical-connections-in-a-network
200,Number of Islands,46.8%,Medium,4.5237927479658, https://leetcode.com/problems/number-of-islands
973,K Closest Points to Origin,63.8%,Medium,4.3649379280599145, https://leetcode.com/problems/k-closest-points-to-origin
819,Most Common Word,44.8%,Easy,4.206083108154029, https://leetcode.com/problems/most-common-word
994,Rotting Oranges,49.2%,Medium,4.12888767326667, https://leetcode.com/problems/rotting-oranges
146,LRU Cache,33.2%,Medium,4.1259125217530634, https://leetcode.com/problems/lru-cache
1,Two Sum,45.6%,Easy,3.9670577018471778, https://leetcode.com/problems/two-sum
138,Copy List with Random Pointer,36.4%,Medium,3.8082028819412925, https://leetcode.com/problems/copy-list-with-random-pointer
763,Partition Labels,76.1%,Medium,3.6493480620354073, https://leetcode.com/problems/partition-labels
5,Longest Palindromic Substring,29.5%,Medium,3.6112713851966896, https://leetcode.com/problems/longest-palindromic-substring
692,Top K Frequent Words,51.8%,Medium,3.4524165652908043, https://leetcode.com/problems/top-k-frequent-words
572,Subtree of Another Tree,44.1%,Easy,3.293561745384919, https://leetcode.com/problems/subtree-of-another-tree
23,Merge k Sorted Lists,40.2%,Hard,3.275608353119414, https://leetcode.com/problems/merge-k-sorted-lists
21,Merge Two Sorted Lists,53.5%,Easy,3.1760577119891367, https://leetcode.com/problems/merge-two-sorted-lists
957,Prison Cells After N Days,40.7%,Medium,3.1619868806897298, https://leetcode.com/problems/prison-cells-after-n-days
472,Concatenated Words,43.7%,Hard,3.1035670505472908, https://leetcode.com/problems/concatenated-words
295,Find Median from Data Stream,44.3%,Hard,3.071377319923169, https://leetcode.com/problems/find-median-from-data-stream
42,Trapping Rain Water,48.9%,Hard,3.0345785163632195, https://leetcode.com/problems/trapping-rain-water
240,Search a 2D Matrix II,43.2%,Medium,2.8882389761040663, https://leetcode.com/problems/search-a-2d-matrix-ii
642,Design Search Autocomplete System,44.7%,Hard,2.850097902691714, https://leetcode.com/problems/design-search-autocomplete-system
297,Serialize and Deserialize Binary Tree,47.5%,Hard,2.691243082785829, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
348,Design Tic-Tac-Toe,54.3%,Medium,2.6765966310651685, https://leetcode.com/problems/design-tic-tac-toe
127,Word Ladder,29.6%,Medium,2.6565727712956915, https://leetcode.com/problems/word-ladder
126,Word Ladder II,22.1%,Hard,2.6210965949028595, https://leetcode.com/problems/word-ladder-ii
253,Meeting Rooms II,45.7%,Medium,2.5426760894240816, https://leetcode.com/problems/meeting-rooms-ii
588,Design In-Memory File System,45.9%,Hard,2.481768900116033, https://leetcode.com/problems/design-in-memory-file-system
1167,Minimum Cost to Connect Sticks,62.8%,Medium,2.423130930639536, https://leetcode.com/problems/minimum-cost-to-connect-sticks
212,Word Search II,34.9%,Hard,2.409742163556229, https://leetcode.com/problems/word-search-ii
909,Snakes and Ladders,38.4%,Medium,2.3368173292871526, https://leetcode.com/problems/snakes-and-ladders
273,Integer to English Words,27.1%,Hard,2.3215771011354915, https://leetcode.com/problems/integer-to-english-words
460,LFU Cache,34.2%,Hard,2.311351586206228, https://leetcode.com/problems/lfu-cache
2,Add Two Numbers,33.9%,Medium,2.2533444302046233, https://leetcode.com/problems/add-two-numbers
545,Boundary of Binary Tree,38.9%,Medium,2.2324541765453, https://leetcode.com/problems/boundary-of-binary-tree
139,Word Break,40.1%,Medium,2.2058799303129293, https://leetcode.com/problems/word-break
694,Number of Distinct Islands,56.0%,Medium,2.1981500748571623, https://leetcode.com/problems/number-of-distinct-islands
1152,Analyze User Website Visit Pattern,43.5%,Medium,2.1610636126719283, https://leetcode.com/problems/analyze-user-website-visit-pattern
1268,Search Suggestions System,63.2%,Medium,2.157831912757614, https://leetcode.com/problems/search-suggestions-system
1000,Minimum Cost to Merge Stones,39.8%,Hard,2.0763714386373158, https://leetcode.com/problems/minimum-cost-to-merge-stones
380,Insert Delete GetRandom O(1),47.5%,Medium,2.0707373499375032, https://leetcode.com/problems/insert-delete-getrandom-o1
675,Cut Off Trees for Golf Event,34.6%,Hard,2.0356851106499882, https://leetcode.com/problems/cut-off-trees-for-golf-event
269,Alien Dictionary,33.3%,Hard,2.01306490259895, https://leetcode.com/problems/alien-dictionary
121,Best Time to Buy and Sell Stock,50.5%,Easy,2.0057576952331098, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
49,Group Anagrams,56.9%,Medium,1.9598330557667063, https://leetcode.com/problems/group-anagrams
772,Basic Calculator III,41.3%,Hard,1.93133194589594, https://leetcode.com/problems/basic-calculator-iii
863,All Nodes Distance K in Binary Tree,55.4%,Medium,1.924676094041702, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
155,Min Stack,44.5%,Easy,1.9215077818220445, https://leetcode.com/problems/min-stack
20,Valid Parentheses,39.0%,Easy,1.9107339238261305, https://leetcode.com/problems/valid-parentheses
15,3Sum,26.8%,Medium,1.889218736497702, https://leetcode.com/problems/3sum
165,Compare Version Numbers,27.4%,Medium,1.7706467919904958, https://leetcode.com/problems/compare-version-numbers
239,Sliding Window Maximum,43.0%,Hard,1.7509567493480187, https://leetcode.com/problems/sliding-window-maximum
733,Flood Fill,55.3%,Easy,1.74755550107457, https://leetcode.com/problems/flood-fill
866,Prime Palindrome,24.9%,Medium,1.7204703854807533, https://leetcode.com/problems/prime-palindrome
238,Product of Array Except Self,60.1%,Medium,1.71425284264257, https://leetcode.com/problems/product-of-array-except-self
341,Flatten Nested List Iterator,52.9%,Medium,1.7121511329488845, https://leetcode.com/problems/flatten-nested-list-iterator
490,The Maze,51.4%,Medium,1.6829041515736798, https://leetcode.com/problems/the-maze
17,Letter Combinations of a Phone Number,46.8%,Medium,1.6822073282155063, https://leetcode.com/problems/letter-combinations-of-a-phone-number
3,Longest Substring Without Repeating Characters,30.4%,Medium,1.6660170989747354, https://leetcode.com/problems/longest-substring-without-repeating-characters
45,Jump Game II,30.6%,Hard,1.6544525444028277, https://leetcode.com/problems/jump-game-ii
1099,Two Sum Less Than K,60.6%,Easy,1.6416694814604238, https://leetcode.com/problems/two-sum-less-than-k
207,Course Schedule,43.1%,Medium,1.61781279723231, https://leetcode.com/problems/course-schedule
12,Integer to Roman,55.1%,Medium,1.6016095787657718, https://leetcode.com/problems/integer-to-roman
1102,Path With Maximum Minimum Value,49.2%,Medium,1.586376093728572, https://leetcode.com/problems/path-with-maximum-minimum-value
33,Search in Rotated Sorted Array,34.5%,Medium,1.5791221107028763, https://leetcode.com/problems/search-in-rotated-sorted-array
56,Merge Intervals,39.3%,Medium,1.5421333498120642, https://leetcode.com/problems/merge-intervals
895,Maximum Frequency Stack,60.6%,Hard,1.5225874235471424, https://leetcode.com/problems/maximum-frequency-stack
314,Binary Tree Vertical Order Traversal,45.3%,Medium,1.5177649083529745, https://leetcode.com/problems/binary-tree-vertical-order-traversal
53,Maximum Subarray,46.5%,Easy,1.516974311835203, https://leetcode.com/problems/maximum-subarray
353,Design Snake Game,34.2%,Medium,1.506328285095676, https://leetcode.com/problems/design-snake-game
322,Coin Change,35.5%,Medium,1.4806772164640813, https://leetcode.com/problems/coin-change
4,Median of Two Sorted Arrays,29.6%,Hard,1.4554565552515453, https://leetcode.com/problems/median-of-two-sorted-arrays
103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,1.4259067156727416, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
99,Recover Binary Search Tree,39.7%,Hard,1.4089750010850042, https://leetcode.com/problems/recover-binary-search-tree
76,Minimum Window Substring,34.6%,Hard,1.3926423524495424, https://leetcode.com/problems/minimum-window-substring
706,Design HashMap,61.3%,Easy,1.3834166612922754, https://leetcode.com/problems/design-hashmap
449,Serialize and Deserialize BST,52.0%,Medium,1.3213393231925648, https://leetcode.com/problems/serialize-and-deserialize-bst
289,Game of Life,54.5%,Medium,1.3165288639550394, https://leetcode.com/problems/game-of-life
64,Minimum Path Sum,54.5%,Medium,1.3111693715773884, https://leetcode.com/problems/minimum-path-sum
140,Word Break II,32.6%,Hard,1.3055596050544398, https://leetcode.com/problems/word-break-ii
505,The Maze II,47.7%,Medium,1.2979377678520694, https://leetcode.com/problems/the-maze-ii
227,Basic Calculator II,36.9%,Medium,1.287359403895079, https://leetcode.com/problems/basic-calculator-ii
323,Number of Connected Components in an Undirected Graph,56.0%,Medium,1.2764047315524085, https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
124,Binary Tree Maximum Path Sum,34.3%,Hard,1.270922263715394, https://leetcode.com/problems/binary-tree-maximum-path-sum
224,Basic Calculator,36.8%,Hard,1.270759854947338, https://leetcode.com/problems/basic-calculator
206,Reverse Linked List,62.5%,Easy,1.2672568786519014, https://leetcode.com/problems/reverse-linked-list
503,Next Greater Element II,56.5%,Medium,1.2578496219398863, https://leetcode.com/problems/next-greater-element-ii
387,First Unique Character in a String,53.4%,Easy,1.2577684700448748, https://leetcode.com/problems/first-unique-character-in-a-string
208,Implement Trie (Prefix Tree),49.4%,Medium,1.2499823265022014, https://leetcode.com/problems/implement-trie-prefix-tree
543,Diameter of Binary Tree,48.4%,Easy,1.2410094815743256, https://leetcode.com/problems/diameter-of-binary-tree
535,Encode and Decode TinyURL,79.9%,Medium,1.227174226434749, https://leetcode.com/problems/encode-and-decode-tinyurl
815,Bus Routes,42.5%,Hard,1.2156017946017912, https://leetcode.com/problems/bus-routes
11,Container With Most Water,50.8%,Medium,1.2010266143542228, https://leetcode.com/problems/container-with-most-water
1091,Shortest Path in Binary Matrix,38.2%,Medium,1.200913466942589, https://leetcode.com/problems/shortest-path-in-binary-matrix
362,Design Hit Counter,63.7%,Medium,1.199980268917449, https://leetcode.com/problems/design-hit-counter
489,Robot Room Cleaner,69.7%,Hard,1.1739954424366683, https://leetcode.com/problems/robot-room-cleaner
236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,1.1582287933185333, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
277,Find the Celebrity,41.8%,Medium,1.1562032194143523, https://leetcode.com/problems/find-the-celebrity
980,Unique Paths III,73.3%,Hard,1.1561821404895873, https://leetcode.com/problems/unique-paths-iii
716,Max Stack,42.6%,Easy,1.143395891295083, https://leetcode.com/problems/max-stack
74,Search a 2D Matrix,36.5%,Medium,1.1351642692702506, https://leetcode.com/problems/search-a-2d-matrix
759,Employee Free Time,66.2%,Hard,1.1328873695767963, https://leetcode.com/problems/employee-free-time
496,Next Greater Element I,63.8%,Easy,1.1237639698973036, https://leetcode.com/problems/next-greater-element-i
97,Interleaving String,31.5%,Hard,1.1211081248375274, https://leetcode.com/problems/interleaving-string
173,Binary Search Tree Iterator,56.6%,Medium,1.114540456834975, https://leetcode.com/problems/binary-search-tree-iterator
54,Spiral Matrix,34.1%,Medium,1.1072855603632137, https://leetcode.com/problems/spiral-matrix
394,Decode String,50.0%,Medium,1.0885854207873837, https://leetcode.com/problems/decode-string
22,Generate Parentheses,62.7%,Medium,1.0741309008544615, https://leetcode.com/problems/generate-parentheses
211,Add and Search Word - Data structure design,38.1%,Medium,1.068971286476014, https://leetcode.com/problems/add-and-search-word-data-structure-design
317,Shortest Distance from All Buildings,41.4%,Hard,1.0631755099111992, https://leetcode.com/problems/shortest-distance-from-all-buildings
703,Kth Largest Element in a Stream,49.7%,Easy,1.0476504188568838, https://leetcode.com/problems/kth-largest-element-in-a-stream
93,Restore IP Addresses,35.6%,Medium,1.0301182947170724, https://leetcode.com/problems/restore-ip-addresses
640,Solve the Equation,42.0%,Medium,1.0254396827784502, https://leetcode.com/problems/solve-the-equation
445,Add Two Numbers II,54.5%,Medium,1.0248223927917601, https://leetcode.com/problems/add-two-numbers-ii
564,Find the Closest Palindrome,19.7%,Hard,1.0211247931897356, https://leetcode.com/problems/find-the-closest-palindrome
102,Binary Tree Level Order Traversal,54.6%,Medium,1.0168566877633323, https://leetcode.com/problems/binary-tree-level-order-traversal
437,Path Sum III,47.2%,Medium,1.01420443066745, https://leetcode.com/problems/path-sum-iii
631,Design Excel Sum Formula,31.6%,Hard,1.007640510462383, https://leetcode.com/problems/design-excel-sum-formula
215,Kth Largest Element in an Array,55.4%,Medium,1.0022262615303217, https://leetcode.com/problems/kth-largest-element-in-an-array
997,Find the Town Judge,50.1%,Easy,0.9903020109316887, https://leetcode.com/problems/find-the-town-judge
695,Max Area of Island,62.7%,Medium,0.988975047363172, https://leetcode.com/problems/max-area-of-island
403,Frog Jump,39.7%,Hard,0.986149938424414, https://leetcode.com/problems/frog-jump
116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.9771405730638729, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
726,Number of Atoms,49.0%,Hard,0.9725715677727447, https://leetcode.com/problems/number-of-atoms
55,Jump Game,34.6%,Medium,0.9675236014754398, https://leetcode.com/problems/jump-game
98,Validate Binary Search Tree,27.8%,Medium,0.9662594465630313, https://leetcode.com/problems/validate-binary-search-tree
767,Reorganize String,48.7%,Medium,0.963102782263259, https://leetcode.com/problems/reorganize-string
1044,Longest Duplicate Substring,31.9%,Hard,0.9584751419361788, https://leetcode.com/problems/longest-duplicate-substring
770,Basic Calculator IV,48.1%,Hard,0.9582549309731873, https://leetcode.com/problems/basic-calculator-iv
210,Course Schedule II,40.7%,Medium,0.9580946198777129, https://leetcode.com/problems/course-schedule-ii
739,Daily Temperatures,63.3%,Medium,0.9460428580770935, https://leetcode.com/problems/daily-temperatures
347,Top K Frequent Elements,61.2%,Medium,0.944060927263745, https://leetcode.com/problems/top-k-frequent-elements
91,Decode Ways,24.7%,Medium,0.9291972065677444, https://leetcode.com/problems/decode-ways
388,Longest Absolute File Path,41.8%,Medium,0.91753219696222, https://leetcode.com/problems/longest-absolute-file-path
57,Insert Interval,33.5%,Hard,0.8985038991641041, https://leetcode.com/problems/insert-interval
105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.8940038587005907, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
13,Roman to Integer,55.7%,Easy,0.8933962612312258, https://leetcode.com/problems/roman-to-integer
653,Two Sum IV - Input is a BST,55.5%,Easy,0.8889872641089201, https://leetcode.com/problems/two-sum-iv-input-is-a-bst
399,Evaluate Division,51.6%,Medium,0.8812413457657069, https://leetcode.com/problems/evaluate-division
143,Reorder List,37.1%,Medium,0.8793923055639359, https://leetcode.com/problems/reorder-list
79,Word Search,35.6%,Medium,0.8759684458676714, https://leetcode.com/problems/word-search
384,Shuffle an Array,52.8%,Medium,0.8699792450691285, https://leetcode.com/problems/shuffle-an-array
1155,Number of Dice Rolls With Target Sum,49.0%,Medium,0.8666032186425704, https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
25,Reverse Nodes in k-Group,42.1%,Hard,0.8575824149327572, https://leetcode.com/problems/reverse-nodes-in-k-group
252,Meeting Rooms,54.6%,Easy,0.844766213465424, https://leetcode.com/problems/meeting-rooms
221,Maximal Square,37.7%,Medium,0.8389600248044948, https://leetcode.com/problems/maximal-square
622,Design Circular Queue,43.7%,Medium,0.8231587572738468, https://leetcode.com/problems/design-circular-queue
981,Time Based Key-Value Store,53.1%,Medium,0.8180951326968029, https://leetcode.com/problems/time-based-key-value-store
333,Largest BST Subtree,35.8%,Medium,0.8169787959635177, https://leetcode.com/problems/largest-bst-subtree
185,Department Top Three Salaries,34.5%,Hard,0.8162131770102277, https://leetcode.com/problems/department-top-three-salaries
456,132 Pattern,28.9%,Medium,0.8138174114576592, https://leetcode.com/problems/132-pattern
480,Sliding Window Median,37.2%,Hard,0.8042373907743527, https://leetcode.com/problems/sliding-window-median
36,Valid Sudoku,48.7%,Medium,0.802497178015298, https://leetcode.com/problems/valid-sudoku
48,Rotate Image,56.7%,Medium,0.8008039084781219, https://leetcode.com/problems/rotate-image
628,Maximum Product of Three Numbers,47.1%,Easy,0.790349508516308, https://leetcode.com/problems/maximum-product-of-three-numbers
188,Best Time to Buy and Sell Stock IV,28.0%,Hard,0.7898945225949174, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
336,Palindrome Pairs,33.7%,Hard,0.7886756056728623, https://leetcode.com/problems/palindrome-pairs
199,Binary Tree Right Side View,54.1%,Medium,0.7876280977126043, https://leetcode.com/problems/binary-tree-right-side-view
556,Next Greater Element III,31.7%,Medium,0.7873680356378151, https://leetcode.com/problems/next-greater-element-iii
352,Data Stream as Disjoint Intervals,47.3%,Hard,0.7849120431121034, https://leetcode.com/problems/data-stream-as-disjoint-intervals
688,Knight Probability in Chessboard,48.9%,Medium,0.7779674428567601, https://leetcode.com/problems/knight-probability-in-chessboard
133,Clone Graph,34.8%,Medium,0.7777045685880084, https://leetcode.com/problems/clone-graph
340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.7767156879202488, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
286,Walls and Gates,54.5%,Medium,0.7665200207243745, https://leetcode.com/problems/walls-and-gates
117,Populating Next Right Pointers in Each Node II,39.1%,Medium,0.7633611466044863, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
529,Minesweeper,59.1%,Medium,0.7566953924986649, https://leetcode.com/problems/minesweeper
373,Find K Pairs with Smallest Sums,36.7%,Medium,0.7534978029618075, https://leetcode.com/problems/find-k-pairs-with-smallest-sums
39,Combination Sum,56.1%,Medium,0.7530803152298828, https://leetcode.com/problems/combination-sum
312,Burst Balloons,51.8%,Hard,0.7383294033531782, https://leetcode.com/problems/burst-balloons
540,Single Element in a Sorted Array,57.9%,Medium,0.7377254480119279, https://leetcode.com/problems/single-element-in-a-sorted-array
1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.7366460015524573, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.7208465856314515, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.7193470381638601, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
109,Convert Sorted List to Binary Search Tree,47.7%,Medium,0.7182831538314877, https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
1046,Last Stone Weight,62.2%,Easy,0.7136834368003875, https://leetcode.com/problems/last-stone-weight
560,Subarray Sum Equals K,43.9%,Medium,0.7082042605360416, https://leetcode.com/problems/subarray-sum-equals-k
46,Permutations,63.5%,Medium,0.7006713538066263, https://leetcode.com/problems/permutations
332,Reconstruct Itinerary,36.7%,Medium,0.6934933810134637, https://leetcode.com/problems/reconstruct-itinerary
62,Unique Paths,54.1%,Medium,0.679976059447545, https://leetcode.com/problems/unique-paths
284,Peeking Iterator,45.7%,Medium,0.6707820311003652, https://leetcode.com/problems/peeking-iterator
417,Pacific Atlantic Water Flow,41.1%,Medium,0.666478933477784, https://leetcode.com/problems/pacific-atlantic-water-flow
261,Graph Valid Tree,42.2%,Medium,0.661701044953794, https://leetcode.com/problems/graph-valid-tree
218,The Skyline Problem,34.6%,Hard,0.6570184564714399, https://leetcode.com/problems/the-skyline-problem
84,Largest Rectangle in Histogram,35.2%,Hard,0.6538762359232341, https://leetcode.com/problems/largest-rectangle-in-histogram
32,Longest Valid Parentheses,28.4%,Hard,0.6498908753938852, https://leetcode.com/problems/longest-valid-parentheses
711,Number of Distinct Islands II,47.3%,Hard,0.6359887667199967, https://leetcode.com/problems/number-of-distinct-islands-ii
101,Symmetric Tree,46.8%,Easy,0.6277269630953998, https://leetcode.com/problems/symmetric-tree
287,Find the Duplicate Number,55.5%,Medium,0.6216243663856534, https://leetcode.com/problems/find-the-duplicate-number
41,First Missing Positive,32.0%,Hard,0.6155202158646018, https://leetcode.com/problems/first-missing-positive
1219,Path with Maximum Gold,65.1%,Medium,0.6151572787436681, https://leetcode.com/problems/path-with-maximum-gold
205,Isomorphic Strings,39.8%,Easy,0.6091659093074805, https://leetcode.com/problems/isomorphic-strings
1214,Two Sum BSTs,67.6%,Medium,0.5957174923400869, https://leetcode.com/problems/two-sum-bsts
518,Coin Change 2,50.2%,Medium,0.5915614413251872, https://leetcode.com/problems/coin-change-2
721,Accounts Merge,48.8%,Medium,0.5908536653497264, https://leetcode.com/problems/accounts-merge
787,Cheapest Flights Within K Stops,39.3%,Medium,0.5893689437132485, https://leetcode.com/problems/cheapest-flights-within-k-stops
150,Evaluate Reverse Polish Notation,36.3%,Medium,0.5881819999537198, https://leetcode.com/problems/evaluate-reverse-polish-notation
10,Regular Expression Matching,26.8%,Hard,0.5850984373117593, https://leetcode.com/problems/regular-expression-matching
63,Unique Paths II,34.6%,Medium,0.5820823931819539, https://leetcode.com/problems/unique-paths-ii
134,Gas Station,38.5%,Medium,0.5687668431527801, https://leetcode.com/problems/gas-station
737,Sentence Similarity II,45.8%,Medium,0.5686930060865394, https://leetcode.com/problems/sentence-similarity-ii
978,Longest Turbulent Subarray,46.6%,Medium,0.5684623920757161, https://leetcode.com/problems/longest-turbulent-subarray
268,Missing Number,51.7%,Easy,0.5678291006201323, https://leetcode.com/problems/missing-number
992,Subarrays with K Different Integers,48.6%,Hard,0.5672611876601065, https://leetcode.com/problems/subarrays-with-k-different-integers
409,Longest Palindrome,50.3%,Easy,0.5661573229787376, https://leetcode.com/problems/longest-palindrome
300,Longest Increasing Subsequence,42.6%,Medium,0.5653677916137054, https://leetcode.com/problems/longest-increasing-subsequence
983,Minimum Cost For Tickets,60.5%,Medium,0.5629118579098171, https://leetcode.com/problems/minimum-cost-for-tickets
135,Candy,31.6%,Hard,0.5626323814748484, https://leetcode.com/problems/candy
634,Find the Derangement of An Array,40.1%,Medium,0.5623075796011341, https://leetcode.com/problems/find-the-derangement-of-an-array
8,String to Integer (atoi),15.4%,Medium,0.5566121908772103, https://leetcode.com/problems/string-to-integer-atoi
993,Cousins in Binary Tree,52.0%,Easy,0.5551513544505905, https://leetcode.com/problems/cousins-in-binary-tree
1100,Find K-Length Substrings With No Repeated Characters,72.7%,Medium,0.5543107357057295, https://leetcode.com/problems/find-k-length-substrings-with-no-repeated-characters
516,Longest Palindromic Subsequence,53.2%,Medium,0.5522281191875855, https://leetcode.com/problems/longest-palindromic-subsequence
75,Sort Colors,47.3%,Medium,0.5427432267342958, https://leetcode.com/problems/sort-colors
943,Find the Shortest Superstring,42.9%,Hard,0.5357102670818683, https://leetcode.com/problems/find-the-shortest-superstring
71,Simplify Path,32.6%,Medium,0.5262793676678309, https://leetcode.com/problems/simplify-path
547,Friend Circles,58.6%,Medium,0.5259672525715527, https://leetcode.com/problems/friend-circles
1429,First Unique Number,47.0%,Medium,0.5239621016713606, https://leetcode.com/problems/first-unique-number
153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.5222372151929279, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
86,Partition List,41.5%,Medium,0.5141613428466489, https://leetcode.com/problems/partition-list
192,Word Frequency,25.8%,Medium,0.5129680991436376, https://leetcode.com/problems/word-frequency
1057,Campus Bikes,57.7%,Medium,0.50861323348305, https://leetcode.com/problems/campus-bikes
37,Sudoku Solver,43.6%,Hard,0.5078801135362339, https://leetcode.com/problems/sudoku-solver
85,Maximal Rectangle,37.7%,Hard,0.505442030682518, https://leetcode.com/problems/maximal-rectangle
349,Intersection of Two Arrays,62.5%,Easy,0.5048408597071582, https://leetcode.com/problems/intersection-of-two-arrays
1135,Connecting Cities With Minimum Cost,57.5%,Medium,0.501406401849499, https://leetcode.com/problems/connecting-cities-with-minimum-cost
72,Edit Distance,44.8%,Hard,0.4973447790261514, https://leetcode.com/problems/edit-distance
636,Exclusive Time of Functions,52.0%,Medium,0.49627524402791723, https://leetcode.com/problems/exclusive-time-of-functions
528,Random Pick with Weight,43.9%,Medium,0.48937950996520846, https://leetcode.com/problems/random-pick-with-weight
113,Path Sum II,46.7%,Medium,0.48815162137800294, https://leetcode.com/problems/path-sum-ii
735,Asteroid Collision,41.0%,Medium,0.48598907090432486, https://leetcode.com/problems/asteroid-collision
538,Convert BST to Greater Tree,55.4%,Easy,0.485748321807536, https://leetcode.com/problems/convert-bst-to-greater-tree
1236,Web Crawler,64.3%,Medium,0.48550781578170077, https://leetcode.com/problems/web-crawler
1011,Capacity To Ship Packages Within D Days,58.1%,Medium,0.4816807923583991, https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
1032,Stream of Characters,48.3%,Hard,0.4815348268449252, https://leetcode.com/problems/stream-of-characters
301,Remove Invalid Parentheses,43.3%,Hard,0.47974654080004886, https://leetcode.com/problems/remove-invalid-parentheses
426,Convert Binary Search Tree to Sorted Doubly Linked List,59.1%,Medium,0.47793775692115553, https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
16,3Sum Closest,46.0%,Medium,0.4774123771930342, https://leetcode.com/problems/3sum-closest
315,Count of Smaller Numbers After Self,41.5%,Hard,0.4767121931596299, https://leetcode.com/problems/count-of-smaller-numbers-after-self
298,Binary Tree Longest Consecutive Sequence,47.1%,Medium,0.4737843520856416, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence
794,Valid Tic-Tac-Toe State,32.6%,Medium,0.4724161756511195, https://leetcode.com/problems/valid-tic-tac-toe-state
176,Second Highest Salary,31.6%,Easy,0.47069912017443083, https://leetcode.com/problems/second-highest-salary
558,Logical OR of Two Binary Grids Represented as Quad-Trees,44.6%,Medium,0.46813621507094005, https://leetcode.com/problems/logical-or-of-two-binary-grids-represented-as-quad-trees
88,Merge Sorted Array,39.4%,Easy,0.46429699445861544, https://leetcode.com/problems/merge-sorted-array
272,Closest Binary Search Tree Value II,50.5%,Hard,0.462623521948113, https://leetcode.com/problems/closest-binary-search-tree-value-ii
59,Spiral Matrix II,53.9%,Medium,0.4529975257530934, https://leetcode.com/problems/spiral-matrix-ii
68,Text Justification,27.7%,Hard,0.4495613440132932, https://leetcode.com/problems/text-justification
635,Design Log Storage System,58.6%,Medium,0.4485486942444761, https://leetcode.com/problems/design-log-storage-system
285,Inorder Successor in BST,40.4%,Medium,0.44766390708014486, https://leetcode.com/problems/inorder-successor-in-bst
465,Optimal Account Balancing,46.9%,Hard,0.44746022914476763, https://leetcode.com/problems/optimal-account-balancing
120,Triangle,44.2%,Medium,0.4465801975799588, https://leetcode.com/problems/triangle
19,Remove Nth Node From End of List,35.2%,Medium,0.4456768409675064, https://leetcode.com/problems/remove-nth-node-from-end-of-list
123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.44142820516401104, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
167,Two Sum II - Input array is sorted,54.1%,Easy,0.43971022755443356, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
1120,Maximum Average Subtree,61.9%,Medium,0.43814407233118585, https://leetcode.com/problems/maximum-average-subtree
854,K-Similar Strings,38.2%,Hard,0.43634727500236803, https://leetcode.com/problems/k-similar-strings
361,Bomb Enemy,46.0%,Medium,0.4333220626111306, https://leetcode.com/problems/bomb-enemy
356,Line Reflection,31.8%,Medium,0.4269293467764643, https://leetcode.com/problems/line-reflection
122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.4220164440136994, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
1010,Pairs of Songs With Total Durations Divisible by 60,47.4%,Easy,0.42064633523841427, https://leetcode.com/problems/pairs-of-songs-with-total-durations-divisible-by-60
96,Unique Binary Search Trees,52.9%,Medium,0.42021191912831435, https://leetcode.com/problems/unique-binary-search-trees
438,Find All Anagrams in a String,43.3%,Medium,0.42018018969304527, https://leetcode.com/problems/find-all-anagrams-in-a-string
177,Nth Highest Salary,31.4%,Medium,0.41948151008170015, https://leetcode.com/problems/nth-highest-salary
169,Majority Element,58.7%,Easy,0.4187817161007766, https://leetcode.com/problems/majority-element
228,Summary Ranges,39.5%,Medium,0.41424759968851377, https://leetcode.com/problems/summary-ranges
128,Longest Consecutive Sequence,45.1%,Hard,0.4130892250537352, https://leetcode.com/problems/longest-consecutive-sequence
366,Find Leaves of Binary Tree,70.6%,Medium,0.4130123137435473, https://leetcode.com/problems/find-leaves-of-binary-tree
149,Max Points on a Line,16.9%,Hard,0.4117347211217598, https://leetcode.com/problems/max-points-on-a-line
234,Palindrome Linked List,39.3%,Easy,0.40610862095331074, https://leetcode.com/problems/palindrome-linked-list
442,Find All Duplicates in an Array,67.8%,Medium,0.4029173360293657, https://leetcode.com/problems/find-all-duplicates-in-an-array
1066,Campus Bikes II,54.2%,Medium,0.40032370860774574, https://leetcode.com/problems/campus-bikes-ii
78,Subsets,62.0%,Medium,0.3978316012118198, https://leetcode.com/problems/subsets
1335,Minimum Difficulty of a Job Schedule,57.6%,Hard,0.3963047387095001, https://leetcode.com/problems/minimum-difficulty-of-a-job-schedule
18,4Sum,33.7%,Medium,0.3951916126129905, https://leetcode.com/problems/4sum
1197,Minimum Knight Moves,36.1%,Medium,0.39358878405685155, https://leetcode.com/problems/minimum-knight-moves
296,Best Meeting Point,57.5%,Hard,0.388507095744267, https://leetcode.com/problems/best-meeting-point
1215,Stepping Numbers,41.6%,Medium,0.3856624808119847, https://leetcode.com/problems/stepping-numbers
230,Kth Smallest Element in a BST,60.2%,Medium,0.37791604408658863, https://leetcode.com/problems/kth-smallest-element-in-a-bst
152,Maximum Product Subarray,31.7%,Medium,0.37438681518796224, https://leetcode.com/problems/maximum-product-subarray
283,Move Zeroes,57.8%,Easy,0.37259180599681807, https://leetcode.com/problems/move-zeroes
1279,Traffic Light Controlled Intersection,74.3%,Easy,0.37117603462953225, https://leetcode.com/problems/traffic-light-controlled-intersection
498,Diagonal Traverse,48.2%,Medium,0.36965808183913323, https://leetcode.com/problems/diagonal-traverse
346,Moving Average from Data Stream,70.9%,Easy,0.3685471485927166, https://leetcode.com/problems/moving-average-from-data-stream
432,All O`one Data Structure,32.4%,Hard,0.3685471485927166, https://leetcode.com/problems/all-oone-data-structure
92,Reverse Linked List II,38.8%,Medium,0.36663565313437546, https://leetcode.com/problems/reverse-linked-list-ii
647,Palindromic Substrings,60.6%,Medium,0.3658330889129942, https://leetcode.com/problems/palindromic-substrings
6,ZigZag Conversion,36.3%,Medium,0.3614824134493735, https://leetcode.com/problems/zigzag-conversion
31,Next Permutation,32.6%,Medium,0.3605125693237505, https://leetcode.com/problems/next-permutation
1083,Sales Analysis II,50.5%,Easy,0.35277564256684985, https://leetcode.com/problems/sales-analysis-ii
1022,Sum of Root To Leaf Binary Numbers,67.2%,Easy,0.34981385355878714, https://leetcode.com/problems/sum-of-root-to-leaf-binary-numbers
843,Guess the Word,46.1%,Hard,0.34967374847974886, https://leetcode.com/problems/guess-the-word
410,Split Array Largest Sum,44.5%,Hard,0.3494594321480241, https://leetcode.com/problems/split-array-largest-sum
51,N-Queens,46.6%,Hard,0.34587301090591877, https://leetcode.com/problems/n-queens
329,Longest Increasing Path in a Matrix,43.4%,Hard,0.34223732585313005, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
785,Is Graph Bipartite?,47.5%,Medium,0.3413031638908785, https://leetcode.com/problems/is-graph-bipartite
148,Sort List,42.3%,Medium,0.3404883062761029, https://leetcode.com/problems/sort-list
30,Substring with Concatenation of All Words,25.4%,Hard,0.3384481668491529, https://leetcode.com/problems/substring-with-concatenation-of-all-words
14,Longest Common Prefix,35.4%,Easy,0.33820492794739787, https://leetcode.com/problems/longest-common-prefix
1130,Minimum Cost Tree From Leaf Values,66.1%,Medium,0.33787755363431937, https://leetcode.com/problems/minimum-cost-tree-from-leaf-values
715,Range Module,38.5%,Hard,0.33647223662121295, https://leetcode.com/problems/range-module
233,Number of Digit One,31.3%,Hard,0.3343430661930074, https://leetcode.com/problems/number-of-digit-one
428,Serialize and Deserialize N-ary Tree,59.4%,Hard,0.3333026618599339, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
28,Implement strStr(),34.5%,Easy,0.3329666353832624, https://leetcode.com/problems/implement-strstr
187,Repeated DNA Sequences,38.9%,Medium,0.3305164293012779, https://leetcode.com/problems/repeated-dna-sequences
611,Valid Triangle Number,48.4%,Medium,0.33024168687057687, https://leetcode.com/problems/valid-triangle-number
827,Making A Large Island,45.7%,Hard,0.32879599515977564, https://leetcode.com/problems/making-a-large-island
129,Sum Root to Leaf Numbers,49.1%,Medium,0.3277345401930075, https://leetcode.com/problems/sum-root-to-leaf-numbers
430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,0.32335829449138764, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
901,Online Stock Span,60.2%,Medium,0.3225465062722876, https://leetcode.com/problems/online-stock-span
1004,Max Consecutive Ones III,59.1%,Medium,0.3213847274185471, https://leetcode.com/problems/max-consecutive-ones-iii
243,Shortest Word Distance,61.0%,Easy,0.3181698955520328, https://leetcode.com/problems/shortest-word-distance
652,Find Duplicate Subtrees,50.2%,Medium,0.31675833653328983, https://leetcode.com/problems/find-duplicate-subtrees
164,Maximum Gap,35.5%,Hard,0.31669089928362504, https://leetcode.com/problems/maximum-gap
710,Random Pick with Blacklist,32.5%,Hard,0.3161972427598021, https://leetcode.com/problems/random-pick-with-blacklist
1094,Car Pooling,56.7%,Medium,0.3139727676834986, https://leetcode.com/problems/car-pooling
678,Valid Parenthesis String,31.0%,Medium,0.31306090671867376, https://leetcode.com/problems/valid-parenthesis-string
542,01 Matrix,39.8%,Medium,0.3127505293143989, https://leetcode.com/problems/01-matrix
986,Interval List Intersections,67.3%,Medium,0.31059633197465675, https://leetcode.com/problems/interval-list-intersections
682,Baseball Game,63.7%,Easy,0.30408190151928766, https://leetcode.com/problems/baseball-game
179,Largest Number,28.8%,Medium,0.2993933318726824, https://leetcode.com/problems/largest-number
235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.29906505953500556, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
1244,Design A Leaderboard,60.7%,Medium,0.29681946470121906, https://leetcode.com/problems/design-a-leaderboard
1229,Meeting Scheduler,52.7%,Medium,0.2955601745092634, https://leetcode.com/problems/meeting-scheduler
1031,Maximum Sum of Two Non-Overlapping Subarrays,57.9%,Medium,0.2928670946738281, https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays
1275,Find Winner on a Tic Tac Toe Game,52.8%,Easy,0.2924262358737592, https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
658,Find K Closest Elements,40.9%,Medium,0.29206941888140686, https://leetcode.com/problems/find-k-closest-elements
1166,Design File System,56.8%,Medium,0.28978070910870213, https://leetcode.com/problems/design-file-system
729,My Calendar I,51.8%,Medium,0.28814578681204955, https://leetcode.com/problems/my-calendar-i
463,Island Perimeter,65.7%,Easy,0.2871321686710828, https://leetcode.com/problems/island-perimeter
161,One Edit Distance,32.3%,Medium,0.28698931177288023, https://leetcode.com/problems/one-edit-distance
699,Falling Squares,41.8%,Hard,0.2856138193877219, https://leetcode.com/problems/falling-squares
708,Insert into a Sorted Circular Linked List,31.6%,Medium,0.28504006298894224, https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
1104,Path In Zigzag Labelled Binary Tree,72.0%,Medium,0.2805718342692762, https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree
525,Contiguous Array,42.8%,Medium,0.2770270045517302, https://leetcode.com/problems/contiguous-array
701,Insert into a Binary Search Tree,77.7%,Medium,0.27518744386988786, https://leetcode.com/problems/insert-into-a-binary-search-tree
1172,Dinner Plate Stacks,38.2%,Hard,0.2711095169699942, https://leetcode.com/problems/dinner-plate-stacks
229,Majority Element II,35.6%,Medium,0.2683771567744578, https://leetcode.com/problems/majority-element-ii
34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.2681513034845063, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
24,Swap Nodes in Pairs,50.4%,Medium,0.26683115052864725, https://leetcode.com/problems/swap-nodes-in-pairs
773,Sliding Puzzle,59.3%,Hard,0.26329061932762177, https://leetcode.com/problems/sliding-puzzle
242,Valid Anagram,56.9%,Easy,0.262948481812954, https://leetcode.com/problems/valid-anagram
1139,Largest 1-Bordered Square,47.5%,Medium,0.26159729523649006, https://leetcode.com/problems/largest-1-bordered-square
690,Employee Importance,57.3%,Easy,0.26044752514150726, https://leetcode.com/problems/employee-importance
1074,Number of Submatrices That Sum to Target,60.4%,Hard,0.2586674025861649, https://leetcode.com/problems/number-of-submatrices-that-sum-to-target
508,Most Frequent Subtree Sum,57.9%,Medium,0.25863376562317586, https://leetcode.com/problems/most-frequent-subtree-sum
262,Trips and Users,32.7%,Hard,0.2574582856986366, https://leetcode.com/problems/trips-and-users
632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.2574120081490246, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
683,K Empty Slots,35.6%,Hard,0.25708853309999324, https://leetcode.com/problems/k-empty-slots
1084,Sales Analysis III,54.3%,Easy,0.25658186347459155, https://leetcode.com/problems/sales-analysis-iii
466,Count The Repetitions,28.2%,Hard,0.2561688067457042, https://leetcode.com/problems/count-the-repetitions
325,Maximum Size Subarray Sum Equals k,46.8%,Medium,0.2525907526405108, https://leetcode.com/problems/maximum-size-subarray-sum-equals-k
29,Divide Two Integers,16.4%,Medium,0.2524087060724961, https://leetcode.com/problems/divide-two-integers
337,House Robber III,50.6%,Medium,0.24474562568123703, https://leetcode.com/problems/house-robber-iii
270,Closest Binary Search Tree Value,48.5%,Easy,0.24399544337520654, https://leetcode.com/problems/closest-binary-search-tree-value
94,Binary Tree Inorder Traversal,63.3%,Medium,0.24076588645845454, https://leetcode.com/problems/binary-tree-inorder-traversal
402,Remove K Digits,28.4%,Medium,0.24067603007585034, https://leetcode.com/problems/remove-k-digits
662,Maximum Width of Binary Tree,41.0%,Medium,0.23997959968856164, https://leetcode.com/problems/maximum-width-of-binary-tree
419,Battleships in a Board,70.0%,Medium,0.23987034511952326, https://leetcode.com/problems/battleships-in-a-board
775,Global and Local Inversions,42.1%,Medium,0.23922968906583414, https://leetcode.com/problems/global-and-local-inversions
112,Path Sum,41.2%,Easy,0.23803283926479718, https://leetcode.com/problems/path-sum
1019,Next Greater Node In Linked List,57.4%,Medium,0.2370206170237612, https://leetcode.com/problems/next-greater-node-in-linked-list
225,Implement Stack using Queues,45.1%,Easy,0.2352539271098461, https://leetcode.com/problems/implement-stack-using-queues
1188,Design Bounded Blocking Queue,70.5%,Medium,0.23300728083654992, https://leetcode.com/problems/design-bounded-blocking-queue
397,Integer Replacement,32.9%,Medium,0.2322522675124501, https://leetcode.com/problems/integer-replacement
698,Partition to K Equal Sum Subsets,45.0%,Medium,0.23205891497216208, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
509,Fibonacci Number,67.2%,Easy,0.22873204718012582, https://leetcode.com/problems/fibonacci-number
369,Plus One Linked List,58.2%,Medium,0.22538822116803361, https://leetcode.com/problems/plus-one-linked-list
159,Longest Substring with At Most Two Distinct Characters,49.4%,Medium,0.22148929121818325, https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters
1122,Relative Sort Array,67.7%,Easy,0.21796115980722663, https://leetcode.com/problems/relative-sort-array
939,Minimum Area Rectangle,51.8%,Medium,0.2169226914391073, https://leetcode.com/problems/minimum-area-rectangle
40,Combination Sum II,48.2%,Medium,0.21560801183996, https://leetcode.com/problems/combination-sum-ii
81,Search in Rotated Sorted Array II,33.0%,Medium,0.21357410029805904, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
90,Subsets II,47.1%,Medium,0.2089835112237315, https://leetcode.com/problems/subsets-ii
279,Perfect Squares,47.4%,Medium,0.20821790109753407, https://leetcode.com/problems/perfect-squares
83,Remove Duplicates from Sorted List,45.4%,Easy,0.20656326017269647, https://leetcode.com/problems/remove-duplicates-from-sorted-list
604,Design Compressed String Iterator,37.5%,Easy,0.20585205420414873, https://leetcode.com/problems/design-compressed-string-iterator
579,Find Cumulative Salary of an Employee,37.0%,Hard,0.20340107258500856, https://leetcode.com/problems/find-cumulative-salary-of-an-employee
443,String Compression,41.3%,Easy,0.2021974133159511, https://leetcode.com/problems/string-compression
141,Linked List Cycle,41.1%,Easy,0.2021173215788326, https://leetcode.com/problems/linked-list-cycle
1143,Longest Common Subsequence,58.4%,Medium,0.20038826657183323, https://leetcode.com/problems/longest-common-subsequence
44,Wildcard Matching,24.7%,Hard,0.19947835142380788, https://leetcode.com/problems/wildcard-matching
836,Rectangle Overlap,48.6%,Easy,0.19944370144318244, https://leetcode.com/problems/rectangle-overlap
1007,Minimum Domino Rotations For Equal Row,50.0%,Medium,0.19906748870593582, https://leetcode.com/problems/minimum-domino-rotations-for-equal-row
50,Pow(x, n),30.3%,Medium,0.1981682603478686, https://leetcode.com/problems/powx-n
1315,Sum of Nodes with Even-Valued Grandparent,83.5%,Medium,0.19757677034220278, https://leetcode.com/problems/sum-of-nodes-with-even-valued-grandparent
637,Average of Levels in Binary Tree,63.1%,Easy,0.1972664368553499, https://leetcode.com/problems/average-of-levels-in-binary-tree
214,Shortest Palindrome,29.8%,Hard,0.19671029424605424, https://leetcode.com/problems/shortest-palindrome
1062,Longest Repeating Substring,57.2%,Medium,0.19627990904466153, https://leetcode.com/problems/longest-repeating-substring
1360,Number of Days Between Two Dates,48.8%,Easy,0.19578302313828744, https://leetcode.com/problems/number-of-days-between-two-dates
581,Shortest Unsorted Continuous Subarray,31.1%,Easy,0.19466945271128616, https://leetcode.com/problems/shortest-unsorted-continuous-subarray
73,Set Matrix Zeroes,43.1%,Medium,0.19305803523368698, https://leetcode.com/problems/set-matrix-zeroes
451,Sort Characters By Frequency,63.0%,Medium,0.19214843173356422, https://leetcode.com/problems/sort-characters-by-frequency
1198,Find Smallest Common Element in All Rows,74.9%,Medium,0.19105523676270922, https://leetcode.com/problems/find-smallest-common-element-in-all-rows
756,Pyramid Transition Matrix,54.6%,Medium,0.19105523676270922, https://leetcode.com/problems/pyramid-transition-matrix
114,Flatten Binary Tree to Linked List,49.3%,Medium,0.19007687356143277, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
864,Shortest Path to Get All Keys,40.1%,Hard,0.18924199963852842, https://leetcode.com/problems/shortest-path-to-get-all-keys
136,Single Number,65.5%,Easy,0.18865964400599367, https://leetcode.com/problems/single-number
900,RLE Iterator,53.5%,Medium,0.1884471502206373, https://leetcode.com/problems/rle-iterator
178,Rank Scores,45.8%,Medium,0.18843907402659216, https://leetcode.com/problems/rank-scores
7,Reverse Integer,25.8%,Easy,0.18680592133798127, https://leetcode.com/problems/reverse-integer
743,Network Delay Time,45.0%,Medium,0.18664052695637473, https://leetcode.com/problems/network-delay-time
181,Employees Earning More Than Their Managers,56.9%,Easy,0.18496356625679328, https://leetcode.com/problems/employees-earning-more-than-their-managers
307,Range Sum Query - Mutable,34.6%,Medium,0.1842870214165705, https://leetcode.com/problems/range-sum-query-mutable
137,Single Number II,52.4%,Medium,0.18373876827436816, https://leetcode.com/problems/single-number-ii
969,Pancake Sorting,67.5%,Medium,0.18336922582639836, https://leetcode.com/problems/pancake-sorting
226,Invert Binary Tree,65.0%,Easy,0.18135450553395235, https://leetcode.com/problems/invert-binary-tree
407,Trapping Rain Water II,42.4%,Hard,0.17945093763999478, https://leetcode.com/problems/trapping-rain-water-ii
163,Missing Ranges,24.3%,Medium,0.17904823144898546, https://leetcode.com/problems/missing-ranges
316,Remove Duplicate Letters,35.8%,Hard,0.17663825552387563, https://leetcode.com/problems/remove-duplicate-letters
162,Find Peak Element,43.3%,Medium,0.17622454513525765, https://leetcode.com/problems/find-peak-element
130,Surrounded Regions,28.1%,Medium,0.17613332483584074, https://leetcode.com/problems/surrounded-regions
473,Matchsticks to Square,37.7%,Medium,0.17589066646366422, https://leetcode.com/problems/matchsticks-to-square
453,Minimum Moves to Equal Array Elements,50.2%,Easy,0.17435338714477774, https://leetcode.com/problems/minimum-moves-to-equal-array-elements
415,Add Strings,47.5%,Easy,0.17429245611868044, https://leetcode.com/problems/add-strings
202,Happy Number,50.4%,Easy,0.17408932588103054, https://leetcode.com/problems/happy-number
1002,Find Common Characters,67.6%,Easy,0.17272065827709143, https://leetcode.com/problems/find-common-characters
350,Intersection of Two Arrays II,51.4%,Easy,0.1723244267089384, https://leetcode.com/problems/intersection-of-two-arrays-ii
929,Unique Email Addresses,67.4%,Easy,0.17132822097463707, https://leetcode.com/problems/unique-email-addresses
264,Ugly Number II,42.0%,Medium,0.1712203840326157, https://leetcode.com/problems/ugly-number-ii
609,Find Duplicate File in System,59.5%,Medium,0.16971838464062922, https://leetcode.com/problems/find-duplicate-file-in-system
1430,Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree,44.8%,Medium,0.16917873135476025, https://leetcode.com/problems/check-if-a-string-is-a-valid-sequence-from-root-to-leaves-path-in-a-binary-tree
69,Sqrt(x),33.9%,Easy,0.1690194941008683, https://leetcode.com/problems/sqrtx
618,Students Report By Geography,55.0%,Hard,0.1684645221325284, https://leetcode.com/problems/students-report-by-geography
70,Climbing Stairs,47.8%,Easy,0.16776798899548578, https://leetcode.com/problems/climbing-stairs
805,Split Array With Same Average,26.4%,Hard,0.16635770580494058, https://leetcode.com/problems/split-array-with-same-average
963,Minimum Area Rectangle II,50.9%,Medium,0.16635770580494058, https://leetcode.com/problems/minimum-area-rectangle-ii
232,Implement Queue using Stacks,49.6%,Easy,0.16627106739678052, https://leetcode.com/problems/implement-queue-using-stacks
1024,Video Stitching,49.2%,Medium,0.16582008790006805, https://leetcode.com/problems/video-stitching
412,Fizz Buzz,62.3%,Easy,0.16533767872713678, https://leetcode.com/problems/fizz-buzz
244,Shortest Word Distance II,52.3%,Medium,0.16400297627026994, https://leetcode.com/problems/shortest-word-distance-ii
204,Count Primes,31.5%,Easy,0.1633347782917643, https://leetcode.com/problems/count-primes
110,Balanced Binary Tree,43.5%,Easy,0.16237787582661925, https://leetcode.com/problems/balanced-binary-tree
881,Boats to Save People,46.8%,Medium,0.16229864091884685, https://leetcode.com/problems/boats-to-save-people
1373,Maximum Sum BST in Binary Tree,40.2%,Hard,0.1599143845440084, https://leetcode.com/problems/maximum-sum-bst-in-binary-tree
727,Minimum Window Subsequence,41.8%,Hard,0.15970111035790735, https://leetcode.com/problems/minimum-window-subsequence
131,Palindrome Partitioning,47.5%,Medium,0.15829229898055353, https://leetcode.com/problems/palindrome-partitioning
209,Minimum Size Subarray Sum,38.2%,Medium,0.1579457507958099, https://leetcode.com/problems/minimum-size-subarray-sum
189,Rotate Array,34.7%,Easy,0.1575195768933631, https://leetcode.com/problems/rotate-array
266,Palindrome Permutation,61.9%,Easy,0.15687671513649673, https://leetcode.com/problems/palindrome-permutation
381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.15656906069153992, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
507,Perfect Number,35.5%,Easy,0.15656906069153992, https://leetcode.com/problems/perfect-number
844,Backspace String Compare,46.4%,Easy,0.15656906069153992, https://leetcode.com/problems/backspace-string-compare
450,Delete Node in a BST,43.1%,Medium,0.15561959910053247, https://leetcode.com/problems/delete-node-in-a-bst
257,Binary Tree Paths,51.5%,Easy,0.15546387765221875, https://leetcode.com/problems/binary-tree-paths
335,Self Crossing,28.0%,Hard,0.15535044001916237, https://leetcode.com/problems/self-crossing
351,Android Unlock Patterns,48.4%,Medium,0.15521621002929656, https://leetcode.com/problems/android-unlock-patterns
1008,Construct Binary Search Tree from Preorder Traversal,78.4%,Medium,0.15488164972391183, https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal
847,Shortest Path Visiting All Nodes,52.0%,Hard,0.1541506798272583, https://leetcode.com/problems/shortest-path-visiting-all-nodes
686,Repeated String Match,32.3%,Easy,0.1506602748874898, https://leetcode.com/problems/repeated-string-match
1242,Web Crawler Multithreaded,45.9%,Medium,0.14953173397096375, https://leetcode.com/problems/web-crawler-multithreaded
406,Queue Reconstruction by Height,66.9%,Medium,0.14940738524724317, https://leetcode.com/problems/queue-reconstruction-by-height
344,Reverse String,68.5%,Easy,0.14882646558712123, https://leetcode.com/problems/reverse-string
541,Reverse String II,48.4%,Easy,0.14881831452142824, https://leetcode.com/problems/reverse-string-ii
82,Remove Duplicates from Sorted List II,36.8%,Medium,0.1483524778541147, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
61,Rotate List,30.0%,Medium,0.1480759782807871, https://leetcode.com/problems/rotate-list
849,Maximize Distance to Closest Person,42.6%,Easy,0.14723779073708934, https://leetcode.com/problems/maximize-distance-to-closest-person
241,Different Ways to Add Parentheses,55.2%,Medium,0.14691814457724592, https://leetcode.com/problems/different-ways-to-add-parentheses
104,Maximum Depth of Binary Tree,66.0%,Easy,0.14586085041092384, https://leetcode.com/problems/maximum-depth-of-binary-tree
852,Peak Index in a Mountain Array,71.6%,Easy,0.1445812288111076, https://leetcode.com/problems/peak-index-in-a-mountain-array
47,Permutations II,46.4%,Medium,0.14455786186832048, https://leetcode.com/problems/permutations-ii
310,Minimum Height Trees,32.3%,Medium,0.143926096421159, https://leetcode.com/problems/minimum-height-trees
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
183,Customers Who Never Order,53.4%,Easy,0.14230985257093545, https://leetcode.com/problems/customers-who-never-order
919,Complete Binary Tree Inserter,57.3%,Medium,0.14008879317068168, https://leetcode.com/problems/complete-binary-tree-inserter
731,My Calendar II,49.1%,Medium,0.13976194237515868, https://leetcode.com/problems/my-calendar-ii
9,Palindrome Number,48.4%,Easy,0.13896461684712066, https://leetcode.com/problems/palindrome-number
354,Russian Doll Envelopes,35.6%,Hard,0.13850969523609932, https://leetcode.com/problems/russian-doll-envelopes
771,Jewels and Stones,86.4%,Easy,0.13806778839055484, https://leetcode.com/problems/jewels-and-stones
1005,Maximize Sum Of Array After K Negations,51.3%,Easy,0.13804422079620546, https://leetcode.com/problems/maximize-sum-of-array-after-k-negations
702,Search in a Sorted Array of Unknown Size,66.9%,Medium,0.13783247452391326, https://leetcode.com/problems/search-in-a-sorted-array-of-unknown-size
250,Count Univalue Subtrees,52.0%,Medium,0.13767409129953323, https://leetcode.com/problems/count-univalue-subtrees
299,Bulls and Cows,42.4%,Easy,0.1373584160478243, https://leetcode.com/problems/bulls-and-cows
1161,Maximum Level Sum of a Binary Tree,72.2%,Medium,0.13727657783562877, https://leetcode.com/problems/maximum-level-sum-of-a-binary-tree
427,Construct Quad Tree,61.4%,Medium,0.13580154115906176, https://leetcode.com/problems/construct-quad-tree
1405,Longest Happy String,49.0%,Medium,0.1343297958605471, https://leetcode.com/problems/longest-happy-string
732,My Calendar III,60.0%,Hard,0.13397932096347895, https://leetcode.com/problems/my-calendar-iii
938,Range Sum of BST,81.3%,Easy,0.13320152292006351, https://leetcode.com/problems/range-sum-of-bst
305,Number of Islands II,40.1%,Hard,0.1304306149462744, https://leetcode.com/problems/number-of-islands-ii
108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.13035872370331572, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
1117,Building H2O,52.6%,Medium,0.12796988096337653, https://leetcode.com/problems/building-h2o
567,Permutation in String,44.4%,Medium,0.1271102185315222, https://leetcode.com/problems/permutation-in-string
559,Maximum Depth of N-ary Tree,68.7%,Easy,0.126784545822395, https://leetcode.com/problems/maximum-depth-of-n-ary-tree
1059,All Paths from Source Lead to Destination,44.7%,Medium,0.12675170563914387, https://leetcode.com/problems/all-paths-from-source-lead-to-destination
359,Logger Rate Limiter,70.8%,Easy,0.1248502028794759, https://leetcode.com/problems/logger-rate-limiter
106,Construct Binary Tree from Inorder and Postorder Traversal,47.2%,Medium,0.12381146988063069, https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
873,Length of Longest Fibonacci Subsequence,48.0%,Medium,0.12378418901663191, https://leetcode.com/problems/length-of-longest-fibonacci-subsequence
741,Cherry Pickup,33.9%,Hard,0.12293768624504794, https://leetcode.com/problems/cherry-pickup
1086,High Five,79.7%,Easy,0.12219606573898939, https://leetcode.com/problems/high-five
222,Count Complete Tree Nodes,46.8%,Medium,0.119584908524332, https://leetcode.com/problems/count-complete-tree-nodes
1026,Maximum Difference Between Node and Ancestor,66.0%,Medium,0.11947365313429092, https://leetcode.com/problems/maximum-difference-between-node-and-ancestor
839,Similar String Groups,38.6%,Hard,0.11934675763256619, https://leetcode.com/problems/similar-string-groups
304,Range Sum Query 2D - Immutable,38.6%,Medium,0.11875551458160917, https://leetcode.com/problems/range-sum-query-2d-immutable
175,Combine Two Tables,60.8%,Easy,0.11655892700886014, https://leetcode.com/problems/combine-two-tables
368,Largest Divisible Subset,38.0%,Medium,0.11624101530456815, https://leetcode.com/problems/largest-divisible-subset
160,Intersection of Two Linked Lists,40.6%,Easy,0.11585676607984101, https://leetcode.com/problems/intersection-of-two-linked-lists
435,Non-overlapping Intervals,42.9%,Medium,0.1158164666843426, https://leetcode.com/problems/non-overlapping-intervals
281,Zigzag Iterator,58.4%,Medium,0.11506932978478719, https://leetcode.com/problems/zigzag-iterator
1375,Bulb Switcher III,62.6%,Medium,0.11506932978478719, https://leetcode.com/problems/bulb-switcher-iii
515,Find Largest Value in Each Tree Row,61.1%,Medium,0.11375888535665801, https://leetcode.com/problems/find-largest-value-in-each-tree-row
339,Nested List Weight Sum,74.0%,Easy,0.11351649636962678, https://leetcode.com/problems/nested-list-weight-sum
452,Minimum Number of Arrows to Burst Balloons,49.6%,Medium,0.11303480731768517, https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons
742,Closest Leaf in a Binary Tree,43.6%,Medium,0.11060987154397002, https://leetcode.com/problems/closest-leaf-in-a-binary-tree
174,Dungeon Game,32.3%,Hard,0.11053338064061342, https://leetcode.com/problems/dungeon-game
382,Linked List Random Node,52.1%,Medium,0.11013564249600598, https://leetcode.com/problems/linked-list-random-node
924,Minimize Malware Spread,42.0%,Hard,0.10821358464023274, https://leetcode.com/problems/minimize-malware-spread
321,Create Maximum Number,27.0%,Hard,0.10821358464023274, https://leetcode.com/problems/create-maximum-number
889,Construct Binary Tree from Preorder and Postorder Traversal,66.2%,Medium,0.10711776476069794, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal
115,Distinct Subsequences,38.3%,Hard,0.10683933709559944, https://leetcode.com/problems/distinct-subsequences
966,Vowel Spellchecker,47.2%,Medium,0.10676797542570607, https://leetcode.com/problems/vowel-spellchecker
1153,String Transforms Into Another String,35.8%,Hard,0.10623186692973738, https://leetcode.com/problems/string-transforms-into-another-string
267,Palindrome Permutation II,36.4%,Medium,0.10345133738802471, https://leetcode.com/problems/palindrome-permutation-ii
486,Predict the Winner,47.9%,Medium,0.10306596722039207, https://leetcode.com/problems/predict-the-winner
1013,Partition Array Into Three Parts With Equal Sum,51.8%,Easy,0.10294796925244239, https://leetcode.com/problems/partition-array-into-three-parts-with-equal-sum
393,UTF-8 Validation,37.5%,Medium,0.10212949507637983, https://leetcode.com/problems/utf-8-validation
523,Continuous Subarray Sum,24.6%,Medium,0.1016388887348317, https://leetcode.com/problems/continuous-subarray-sum
1162,As Far from Land as Possible,43.5%,Medium,0.09876441467241241, https://leetcode.com/problems/as-far-from-land-as-possible
1023,Camelcase Matching,57.0%,Medium,0.09860197680453955, https://leetcode.com/problems/camelcase-matching
862,Shortest Subarray with Sum at Least K,24.6%,Hard,0.09793753498670578, https://leetcode.com/problems/shortest-subarray-with-sum-at-least-k
951,Flip Equivalent Binary Trees,65.8%,Medium,0.09745990610645301, https://leetcode.com/problems/flip-equivalent-binary-trees
1202,Smallest String With Swaps,46.5%,Medium,0.09740053011838201, https://leetcode.com/problems/smallest-string-with-swaps
100,Same Tree,53.4%,Easy,0.09694519966241283, https://leetcode.com/problems/same-tree
390,Elimination Game,44.5%,Medium,0.09576690509200843, https://leetcode.com/problems/elimination-game
280,Wiggle Sort,63.8%,Medium,0.09561417737468547, https://leetcode.com/problems/wiggle-sort
807,Max Increase to Keep City Skyline,83.7%,Medium,0.09510858722224913, https://leetcode.com/problems/max-increase-to-keep-city-skyline
132,Palindrome Partitioning II,30.2%,Hard,0.0943539685775445, https://leetcode.com/problems/palindrome-partitioning-ii
720,Longest Word in Dictionary,48.2%,Easy,0.09362342046209744, https://leetcode.com/problems/longest-word-in-dictionary
826,Most Profit Assigning Work,38.5%,Medium,0.09287412500644375, https://leetcode.com/problems/most-profit-assigning-work
38,Count and Say,44.6%,Easy,0.09192820125669567, https://leetcode.com/problems/count-and-say
447,Number of Boomerangs,51.8%,Easy,0.09159716909540325, https://leetcode.com/problems/number-of-boomerangs
198,House Robber,42.0%,Easy,0.08994823666293948, https://leetcode.com/problems/house-robber
328,Odd Even Linked List,55.7%,Medium,0.08983684638843294, https://leetcode.com/problems/odd-even-linked-list
358,Rearrange String k Distance Apart,34.9%,Hard,0.08894748601649616, https://leetcode.com/problems/rearrange-string-k-distance-apart
995,Minimum Number of K Consecutive Bit Flips,46.8%,Hard,0.08894748601649616, https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips
65,Valid Number,15.3%,Hard,0.08845542056186342, https://leetcode.com/problems/valid-number
145,Binary Tree Postorder Traversal,55.0%,Hard,0.08837759395949414, https://leetcode.com/problems/binary-tree-postorder-traversal
549,Binary Tree Longest Consecutive Sequence II,47.0%,Medium,0.08816278759467164, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence-ii
433,Minimum Genetic Mutation,41.8%,Medium,0.08701137698962977, https://leetcode.com/problems/minimum-genetic-mutation
1247,Minimum Swaps to Make Strings Equal,60.1%,Medium,0.08626034428440695, https://leetcode.com/problems/minimum-swaps-to-make-strings-equal
942,DI String Match,72.6%,Easy,0.08495672247596549, https://leetcode.com/problems/di-string-match
916,Word Subsets,47.8%,Medium,0.08479653666007693, https://leetcode.com/problems/word-subsets
582,Kill Process,60.8%,Medium,0.08355588569097351, https://leetcode.com/problems/kill-process
1245,Tree Diameter,60.1%,Medium,0.08338160893905106, https://leetcode.com/problems/tree-diameter
905,Sort Array By Parity,74.1%,Easy,0.08328510247304294, https://leetcode.com/problems/sort-array-by-parity
841,Keys and Rooms,64.3%,Medium,0.08307836859709818, https://leetcode.com/problems/keys-and-rooms
871,Minimum Number of Refueling Stops,31.4%,Hard,0.08252102368800351, https://leetcode.com/problems/minimum-number-of-refueling-stops
654,Maximum Binary Tree,79.9%,Medium,0.08000266362507777, https://leetcode.com/problems/maximum-binary-tree
884,Uncommon Words from Two Sentences,63.3%,Easy,0.07990051073053109, https://leetcode.com/problems/uncommon-words-from-two-sentences
1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.07986504044378952, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
118,Pascal's Triangle,52.5%,Easy,0.07970401164997687, https://leetcode.com/problems/pascals-triangle
60,Permutation Sequence,38.4%,Hard,0.07948571541724253, https://leetcode.com/problems/permutation-sequence
875,Koko Eating Bananas,52.1%,Medium,0.07919704166119315, https://leetcode.com/problems/koko-eating-bananas
1047,Remove All Adjacent Duplicates In String,68.6%,Easy,0.0789551324793932, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string
784,Letter Case Permutation,64.6%,Medium,0.0787033338274549, https://leetcode.com/problems/letter-case-permutation
180,Consecutive Numbers,39.7%,Medium,0.07851014032375832, https://leetcode.com/problems/consecutive-numbers
1254,Number of Closed Islands,60.5%,Medium,0.07796154146971186, https://leetcode.com/problems/number-of-closed-islands
904,Fruit Into Baskets,42.5%,Medium,0.07767124189113186, https://leetcode.com/problems/fruit-into-baskets
125,Valid Palindrome,36.7%,Easy,0.07766984472754161, https://leetcode.com/problems/valid-palindrome
977,Squares of a Sorted Array,72.1%,Easy,0.07598590697792203, https://leetcode.com/problems/squares-of-a-sorted-array
468,Validate IP Address,24.1%,Medium,0.07598590697792203, https://leetcode.com/problems/validate-ip-address
765,Couples Holding Hands,54.3%,Hard,0.07579383936953364, https://leetcode.com/problems/couples-holding-hands
217,Contains Duplicate,56.0%,Easy,0.07423027387221347, https://leetcode.com/problems/contains-duplicate
974,Subarray Sums Divisible by K,48.9%,Medium,0.07423027387221347, https://leetcode.com/problems/subarray-sums-divisible-by-k
184,Department Highest Salary,36.7%,Medium,0.07292523990467245, https://leetcode.com/problems/department-highest-salary
539,Minimum Time Difference,51.5%,Medium,0.07236429254889504, https://leetcode.com/problems/minimum-time-difference
860,Lemonade Change,51.6%,Easy,0.07208884919207953, https://leetcode.com/problems/lemonade-change
290,Word Pattern,37.0%,Easy,0.071651050037288, https://leetcode.com/problems/word-pattern
1082,Sales Analysis I,71.8%,Easy,0.07145896398214495, https://leetcode.com/problems/sales-analysis-i
570,Managers with at Least 5 Direct Reports,66.0%,Medium,0.07020425867324853, https://leetcode.com/problems/managers-with-at-least-5-direct-reports
1146,Snapshot Array,37.0%,Medium,0.07017687679183775, https://leetcode.com/problems/snapshot-array
1114,Print in Order,65.7%,Easy,0.0700675626167169, https://leetcode.com/problems/print-in-order
621,Task Scheduler,50.1%,Medium,0.06851994643675606, https://leetcode.com/problems/task-scheduler
1081,Smallest Subsequence of Distinct Characters,50.4%,Medium,0.06840272688440052, https://leetcode.com/problems/smallest-subsequence-of-distinct-characters
171,Excel Sheet Column Number,55.9%,Easy,0.06799791190723256, https://leetcode.com/problems/excel-sheet-column-number
1060,Missing Element in Sorted Array,54.5%,Medium,0.06796670413163937, https://leetcode.com/problems/missing-element-in-sorted-array
365,Water and Jug Problem,30.6%,Medium,0.06736553182757604, https://leetcode.com/problems/water-and-jug-problem
584,Find Customer Referee,72.3%,Easy,0.06592172080482424, https://leetcode.com/problems/find-customer-referee
671,Second Minimum Node In a Binary Tree,42.7%,Easy,0.06538275926285174, https://leetcode.com/problems/second-minimum-node-in-a-binary-tree
1270,All People Report to the Given Manager,87.1%,Medium,0.06412452816953867, https://leetcode.com/problems/all-people-report-to-the-given-manager
855,Exam Room,43.1%,Medium,0.06371581438610768, https://leetcode.com/problems/exam-room
413,Arithmetic Slices,57.9%,Medium,0.06286986221654821, https://leetcode.com/problems/arithmetic-slices
334,Increasing Triplet Subsequence,40.0%,Medium,0.06274107505168265, https://leetcode.com/problems/increasing-triplet-subsequence
1299,Replace Elements with Greatest Element on Right Side,75.4%,Easy,0.06197770027589752, https://leetcode.com/problems/replace-elements-with-greatest-element-on-right-side
801,Minimum Swaps To Make Sequences Increasing,38.9%,Medium,0.06146327443046864, https://leetcode.com/problems/minimum-swaps-to-make-sequences-increasing
420,Strong Password Checker,14.0%,Hard,0.061087691979838175, https://leetcode.com/problems/strong-password-checker
796,Rotate String,49.6%,Easy,0.059778751425839334, https://leetcode.com/problems/rotate-string
931,Minimum Falling Path Sum,62.5%,Medium,0.05914995982464103, https://leetcode.com/problems/minimum-falling-path-sum
475,Heaters,33.1%,Easy,0.058155920157074034, https://leetcode.com/problems/heaters
52,N-Queens II,57.9%,Hard,0.058155920157074034, https://leetcode.com/problems/n-queens-ii
783,Minimum Distance Between BST Nodes,52.6%,Easy,0.05800594958851697, https://leetcode.com/problems/minimum-distance-between-bst-nodes
979,Distribute Coins in Binary Tree,68.9%,Medium,0.05800594958851697, https://leetcode.com/problems/distribute-coins-in-binary-tree
1233,Remove Sub-Folders from the Filesystem,59.5%,Medium,0.057076831135436705, https://leetcode.com/problems/remove-sub-folders-from-the-filesystem
586,Customer Placing the Largest Number of Orders,73.0%,Easy,0.0568334747631659, https://leetcode.com/problems/customer-placing-the-largest-number-of-orders
421,Maximum XOR of Two Numbers in an Array,53.5%,Medium,0.055569851154810765, https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array
404,Sum of Left Leaves,50.9%,Easy,0.05478946358617918, https://leetcode.com/problems/sum-of-left-leaves
345,Reverse Vowels of a String,44.2%,Easy,0.054658412537864055, https://leetcode.com/problems/reverse-vowels-of-a-string
557,Reverse Words in a String III,69.8%,Easy,0.05383068775874275, https://leetcode.com/problems/reverse-words-in-a-string-iii
714,Best Time to Buy and Sell Stock with Transaction Fee,54.7%,Medium,0.05377639678080413, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee
719,Find K-th Smallest Pair Distance,31.5%,Hard,0.05370417897186106, https://leetcode.com/problems/find-k-th-smallest-pair-distance
679,24 Game,46.4%,Hard,0.05341723749698583, https://leetcode.com/problems/24-game
416,Partition Equal Subset Sum,43.7%,Medium,0.05309102319682948, https://leetcode.com/problems/partition-equal-subset-sum
601,Human Traffic of Stadium,41.7%,Hard,0.05223119222544569, https://leetcode.com/problems/human-traffic-of-stadium
687,Longest Univalue Path,36.2%,Easy,0.05212529063213289, https://leetcode.com/problems/longest-univalue-path
791,Custom Sort String,65.7%,Medium,0.05164658886216683, https://leetcode.com/problems/custom-sort-string
429,N-ary Tree Level Order Traversal,65.0%,Medium,0.051616961836787136, https://leetcode.com/problems/n-ary-tree-level-order-traversal
66,Plus One,43.0%,Easy,0.05095832569582088, https://leetcode.com/problems/plus-one
1339,Maximum Product of Splitted Binary Tree,37.2%,Medium,0.05064373281875492, https://leetcode.com/problems/maximum-product-of-splitted-binary-tree
617,Merge Two Binary Trees,74.1%,Easy,0.05055666138939678, https://leetcode.com/problems/merge-two-binary-trees
681,Next Closest Time,45.0%,Medium,0.05045206096038863, https://leetcode.com/problems/next-closest-time
684,Redundant Connection,57.4%,Medium,0.05020574670015159, https://leetcode.com/problems/redundant-connection
792,Number of Matching Subsequences,47.4%,Medium,0.04976150955906385, https://leetcode.com/problems/number-of-matching-subsequences
77,Combinations,54.7%,Medium,0.04928622947983693, https://leetcode.com/problems/combinations
67,Add Binary,45.2%,Easy,0.049093096377302976, https://leetcode.com/problems/add-binary
1267,Count Servers that Communicate,57.9%,Medium,0.04902942724031861, https://leetcode.com/problems/count-servers-that-communicate
725,Split Linked List in Parts,52.2%,Medium,0.04603804920255727, https://leetcode.com/problems/split-linked-list-in-parts
1248,Count Number of Nice Subarrays,56.4%,Medium,0.04593229889743518, https://leetcode.com/problems/count-number-of-nice-subarrays
856,Score of Parentheses,60.5%,Medium,0.04567003683318837, https://leetcode.com/problems/score-of-parentheses
151,Reverse Words in a String,21.9%,Medium,0.04549485717913582, https://leetcode.com/problems/reverse-words-in-a-string
1108,Defanging an IP Address,87.5%,Easy,0.044971606629326595, https://leetcode.com/problems/defanging-an-ip-address
1382,Balance a Binary Search Tree,74.8%,Medium,0.04480032475536626, https://leetcode.com/problems/balance-a-binary-search-tree
493,Reverse Pairs,25.2%,Hard,0.043110123653728516, https://leetcode.com/problems/reverse-pairs
704,Binary Search,52.1%,Easy,0.04172704422666836, https://leetcode.com/problems/binary-search
532,K-diff Pairs in an Array,31.6%,Easy,0.041672696400568025, https://leetcode.com/problems/k-diff-pairs-in-an-array
590,N-ary Tree Postorder Traversal,72.1%,Easy,0.040454954692313666, https://leetcode.com/problems/n-ary-tree-postorder-traversal
918,Maximum Sum Circular Subarray,33.7%,Medium,0.04045040846284272, https://leetcode.com/problems/maximum-sum-circular-subarray
142,Linked List Cycle II,37.3%,Medium,0.04034106216103786, https://leetcode.com/problems/linked-list-cycle-ii
107,Binary Tree Level Order Traversal II,53.5%,Easy,0.03948712621281427, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
1049,Last Stone Weight II,44.2%,Medium,0.03902934390573525, https://leetcode.com/problems/last-stone-weight-ii
657,Robot Return to Origin,73.5%,Easy,0.03896596853338373, https://leetcode.com/problems/robot-return-to-origin
231,Power of Two,43.7%,Easy,0.0383924310382344, https://leetcode.com/problems/power-of-two
1110,Delete Nodes And Return Forest,67.0%,Medium,0.03698038470938097, https://leetcode.com/problems/delete-nodes-and-return-forest
646,Maximum Length of Pair Chain,51.9%,Medium,0.036870535808327706, https://leetcode.com/problems/maximum-length-of-pair-chain
626,Exchange Seats,62.3%,Medium,0.03676884778708897, https://leetcode.com/problems/exchange-seats
376,Wiggle Subsequence,39.6%,Medium,0.03666771919188123, https://leetcode.com/problems/wiggle-subsequence
673,Number of Longest Increasing Subsequence,35.7%,Medium,0.036467121912812143, https://leetcode.com/problems/number-of-longest-increasing-subsequence
1029,Two City Scheduling,56.1%,Easy,0.03633827343880724, https://leetcode.com/problems/two-city-scheduling
43,Multiply Strings,33.9%,Medium,0.03608871558298825, https://leetcode.com/problems/multiply-strings
705,Design HashSet,64.3%,Easy,0.03401688527825427, https://leetcode.com/problems/design-hashset
561,Array Partition I,72.0%,Easy,0.033850542978687455, https://leetcode.com/problems/array-partition-i
912,Sort an Array,63.9%,Medium,0.03218010960381167, https://leetcode.com/problems/sort-an-array
953,Verifying an Alien Dictionary,54.1%,Easy,0.03117337947619734, https://leetcode.com/problems/verifying-an-alien-dictionary
814,Binary Tree Pruning,74.5%,Medium,0.03113091859517317, https://leetcode.com/problems/binary-tree-pruning
1179,Reformat Department Table,80.6%,Easy,0.030653741091002412, https://leetcode.com/problems/reformat-department-table
1027,Longest Arithmetic Sequence,53.4%,Medium,0.03030534949532895, https://leetcode.com/problems/longest-arithmetic-sequence
319,Bulb Switcher,45.4%,Medium,0.029852963149681156, https://leetcode.com/problems/bulb-switcher
501,Find Mode in Binary Search Tree,42.4%,Easy,0.029808466297826082, https://leetcode.com/problems/find-mode-in-binary-search-tree
191,Number of 1 Bits,49.8%,Easy,0.029560622742018188, https://leetcode.com/problems/number-of-1-bits
779,K-th Symbol in Grammar,37.2%,Medium,0.029050699422092676, https://leetcode.com/problems/k-th-symbol-in-grammar
219,Contains Duplicate II,37.7%,Easy,0.028500979167549973, https://leetcode.com/problems/contains-duplicate-ii
213,House Robber II,36.5%,Medium,0.028250466285851712, https://leetcode.com/problems/house-robber-ii
811,Subdomain Visit Count,69.9%,Easy,0.02772180293027194, https://leetcode.com/problems/subdomain-visit-count
311,Sparse Matrix Multiplication,61.9%,Medium,0.027702602549335792, https://leetcode.com/problems/sparse-matrix-multiplication
249,Group Shifted Strings,55.1%,Medium,0.0276069982440099, https://leetcode.com/problems/group-shifted-strings
119,Pascal's Triangle II,49.0%,Easy,0.026565907037593445, https://leetcode.com/problems/pascals-triangle-ii
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
203,Remove Linked List Elements,38.6%,Easy,0.025668142709851988, https://leetcode.com/problems/remove-linked-list-elements
1395,Count Number of Teams,82.0%,Medium,0.025462865161248044, https://leetcode.com/problems/count-number-of-teams
752,Open the Lock,51.8%,Medium,0.024586364440127736, https://leetcode.com/problems/open-the-lock
605,Can Place Flowers,31.6%,Easy,0.02457126073050533, https://leetcode.com/problems/can-place-flowers
338,Counting Bits,69.5%,Medium,0.024325523767440974, https://leetcode.com/problems/counting-bits
414,Third Maximum Number,30.5%,Easy,0.023155137938555212, https://leetcode.com/problems/third-maximum-number
1160,Find Words That Can Be Formed by Characters,67.4%,Easy,0.02262539951797868, https://leetcode.com/problems/find-words-that-can-be-formed-by-characters
216,Combination Sum III,56.6%,Medium,0.02261260849011709, https://leetcode.com/problems/combination-sum-iii
746,Min Cost Climbing Stairs,50.3%,Easy,0.021957456927373643, https://leetcode.com/problems/min-cost-climbing-stairs
958,Check Completeness of a Binary Tree,52.1%,Medium,0.021763644636359686, https://leetcode.com/problems/check-completeness-of-a-binary-tree
1520,Maximum Number of Non-Overlapping Substrings,32.8%,Hard,0.021485667755491482, https://leetcode.com/problems/maximum-number-of-non-overlapping-substrings
921,Minimum Add to Make Parentheses Valid,73.7%,Medium,0.021425565169310254, https://leetcode.com/problems/minimum-add-to-make-parentheses-valid
459,Repeated Substring Pattern,42.2%,Easy,0.021402636114384706, https://leetcode.com/problems/repeated-substring-pattern
485,Max Consecutive Ones,54.6%,Easy,0.021092266245534258, https://leetcode.com/problems/max-consecutive-ones
377,Combination Sum IV,45.3%,Medium,0.02087758502155521, https://leetcode.com/problems/combination-sum-iv
670,Maximum Swap,43.6%,Medium,0.020844944430365928, https://leetcode.com/problems/maximum-swap
392,Is Subsequence,49.2%,Easy,0.02033508842008217, https://leetcode.com/problems/is-subsequence
166,Fraction to Recurring Decimal,21.6%,Medium,0.02015181543730795, https://leetcode.com/problems/fraction-to-recurring-decimal
1048,Longest String Chain,54.7%,Medium,0.019361689049145963, https://leetcode.com/problems/longest-string-chain
669,Trim a Binary Search Tree,63.0%,Easy,0.019139340210697423, https://leetcode.com/problems/trim-a-binary-search-tree
674,Longest Continuous Increasing Subsequence,45.9%,Easy,0.01900294712561538, https://leetcode.com/problems/longest-continuous-increasing-subsequence
196,Delete Duplicate Emails,41.1%,Easy,0.018735911057469818, https://leetcode.com/problems/delete-duplicate-emails
965,Univalued Binary Tree,67.7%,Easy,0.018665964249802672, https://leetcode.com/problems/univalued-binary-tree
35,Search Insert Position,42.6%,Easy,0.018459222797986813, https://leetcode.com/problems/search-insert-position
260,Single Number III,64.3%,Medium,0.01811279141389457, https://leetcode.com/problems/single-number-iii
309,Best Time to Buy and Sell Stock with Cooldown,47.4%,Medium,0.01767954966181075, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown
383,Ransom Note,53.1%,Easy,0.017621601349819518, https://leetcode.com/problems/ransom-note
872,Leaf-Similar Trees,64.5%,Easy,0.01752125418714782, https://leetcode.com/problems/leaf-similar-trees
26,Remove Duplicates from Sorted Array,45.1%,Easy,0.017426260234777304, https://leetcode.com/problems/remove-duplicates-from-sorted-array
1266,Minimum Time Visiting All Points,79.6%,Easy,0.017354014693151613, https://leetcode.com/problems/minimum-time-visiting-all-points
876,Middle of the Linked List,68.4%,Easy,0.01707497375257815, https://leetcode.com/problems/middle-of-the-linked-list
389,Find the Difference,55.3%,Easy,0.016978336534417868, https://leetcode.com/problems/find-the-difference
95,Unique Binary Search Trees II,40.6%,Medium,0.016856699181010838, https://leetcode.com/problems/unique-binary-search-trees-ii
1304,Find N Unique Integers Sum up to Zero,76.3%,Easy,0.015892269319508656, https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
707,Design Linked List,24.5%,Medium,0.015054857167065819, https://leetcode.com/problems/design-linked-list
367,Valid Perfect Square,41.7%,Easy,0.014992784586141334, https://leetcode.com/problems/valid-perfect-square
80,Remove Duplicates from Sorted Array II,44.0%,Medium,0.014815085785140639, https://leetcode.com/problems/remove-duplicates-from-sorted-array-ii
371,Sum of Two Integers,50.7%,Medium,0.014064929467403538, https://leetcode.com/problems/sum-of-two-integers
724,Find Pivot Index,44.0%,Easy,0.013850636933899008, https://leetcode.com/problems/find-pivot-index
144,Binary Tree Preorder Traversal,55.7%,Medium,0.013667638728663807, https://leetcode.com/problems/binary-tree-preorder-traversal
303,Range Sum Query - Immutable,44.7%,Easy,0.013240842236997532, https://leetcode.com/problems/range-sum-query-immutable
154,Find Minimum in Rotated Sorted Array II,41.6%,Hard,0.013222109274363887, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
665,Non-decreasing Array,19.5%,Easy,0.013016779950191773, https://leetcode.com/problems/non-decreasing-array
172,Factorial Trailing Zeroes,37.8%,Easy,0.012326812480658571, https://leetcode.com/problems/factorial-trailing-zeroes
237,Delete Node in a Linked List,63.8%,Easy,0.01153858955649377, https://leetcode.com/problems/delete-node-in-a-linked-list
1051,Height Checker,71.1%,Easy,0.011468015591641189, https://leetcode.com/problems/height-checker
797,All Paths From Source to Target,77.9%,Medium,0.009845021678804893, https://leetcode.com/problems/all-paths-from-source-to-target
1221,Split a String in Balanced Strings,83.3%,Easy,0.008775835172724969, https://leetcode.com/problems/split-a-string-in-balanced-strings
461,Hamming Distance,72.8%,Easy,0.00833685528906183, https://leetcode.com/problems/hamming-distance
1344,Angle Between Hands of a Clock,61.4%,Medium,0.007795031188053973, https://leetcode.com/problems/angle-between-hands-of-a-clock
1365,How Many Numbers Are Smaller Than the Current Number,85.6%,Easy,0.007109877088701047, https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number
111,Minimum Depth of Binary Tree,37.4%,Easy,0.0066203485760693214, https://leetcode.com/problems/minimum-depth-of-binary-tree
1431,Kids With the Greatest Number of Candies,88.9%,Easy,0.005927699633275225, https://leetcode.com/problems/kids-with-the-greatest-number-of-candies
278,First Bad Version,35.7%,Easy,0.005391575265790431, https://leetcode.com/problems/first-bad-version
27,Remove Element,48.2%,Easy,0.0035524016043678225, https://leetcode.com/problems/remove-element
190,Reverse Bits,39.8%,Easy,0.0018316700789167337, https://leetcode.com/problems/reverse-bits
1 937 Reorder Data in Log Files 54.3% Easy 4.767247308723531 https://leetcode.com/problems/reorder-data-in-log-files
2 1192 Critical Connections in a Network 48.6% Hard 4.608392488817646 https://leetcode.com/problems/critical-connections-in-a-network
3 200 Number of Islands 46.8% Medium 4.5237927479658 https://leetcode.com/problems/number-of-islands
4 973 K Closest Points to Origin 63.8% Medium 4.3649379280599145 https://leetcode.com/problems/k-closest-points-to-origin
5 819 Most Common Word 44.8% Easy 4.206083108154029 https://leetcode.com/problems/most-common-word
6 994 Rotting Oranges 49.2% Medium 4.12888767326667 https://leetcode.com/problems/rotting-oranges
7 146 LRU Cache 33.2% Medium 4.1259125217530634 https://leetcode.com/problems/lru-cache
8 1 Two Sum 45.6% Easy 3.9670577018471778 https://leetcode.com/problems/two-sum
9 138 Copy List with Random Pointer 36.4% Medium 3.8082028819412925 https://leetcode.com/problems/copy-list-with-random-pointer
10 763 Partition Labels 76.1% Medium 3.6493480620354073 https://leetcode.com/problems/partition-labels
11 5 Longest Palindromic Substring 29.5% Medium 3.6112713851966896 https://leetcode.com/problems/longest-palindromic-substring
12 692 Top K Frequent Words 51.8% Medium 3.4524165652908043 https://leetcode.com/problems/top-k-frequent-words
13 572 Subtree of Another Tree 44.1% Easy 3.293561745384919 https://leetcode.com/problems/subtree-of-another-tree
14 23 Merge k Sorted Lists 40.2% Hard 3.275608353119414 https://leetcode.com/problems/merge-k-sorted-lists
15 21 Merge Two Sorted Lists 53.5% Easy 3.1760577119891367 https://leetcode.com/problems/merge-two-sorted-lists
16 957 Prison Cells After N Days 40.7% Medium 3.1619868806897298 https://leetcode.com/problems/prison-cells-after-n-days
17 472 Concatenated Words 43.7% Hard 3.1035670505472908 https://leetcode.com/problems/concatenated-words
18 295 Find Median from Data Stream 44.3% Hard 3.071377319923169 https://leetcode.com/problems/find-median-from-data-stream
19 42 Trapping Rain Water 48.9% Hard 3.0345785163632195 https://leetcode.com/problems/trapping-rain-water
20 240 Search a 2D Matrix II 43.2% Medium 2.8882389761040663 https://leetcode.com/problems/search-a-2d-matrix-ii
21 642 Design Search Autocomplete System 44.7% Hard 2.850097902691714 https://leetcode.com/problems/design-search-autocomplete-system
22 297 Serialize and Deserialize Binary Tree 47.5% Hard 2.691243082785829 https://leetcode.com/problems/serialize-and-deserialize-binary-tree
23 348 Design Tic-Tac-Toe 54.3% Medium 2.6765966310651685 https://leetcode.com/problems/design-tic-tac-toe
24 127 Word Ladder 29.6% Medium 2.6565727712956915 https://leetcode.com/problems/word-ladder
25 126 Word Ladder II 22.1% Hard 2.6210965949028595 https://leetcode.com/problems/word-ladder-ii
26 253 Meeting Rooms II 45.7% Medium 2.5426760894240816 https://leetcode.com/problems/meeting-rooms-ii
27 588 Design In-Memory File System 45.9% Hard 2.481768900116033 https://leetcode.com/problems/design-in-memory-file-system
28 1167 Minimum Cost to Connect Sticks 62.8% Medium 2.423130930639536 https://leetcode.com/problems/minimum-cost-to-connect-sticks
29 212 Word Search II 34.9% Hard 2.409742163556229 https://leetcode.com/problems/word-search-ii
30 909 Snakes and Ladders 38.4% Medium 2.3368173292871526 https://leetcode.com/problems/snakes-and-ladders
31 273 Integer to English Words 27.1% Hard 2.3215771011354915 https://leetcode.com/problems/integer-to-english-words
32 460 LFU Cache 34.2% Hard 2.311351586206228 https://leetcode.com/problems/lfu-cache
33 2 Add Two Numbers 33.9% Medium 2.2533444302046233 https://leetcode.com/problems/add-two-numbers
34 545 Boundary of Binary Tree 38.9% Medium 2.2324541765453 https://leetcode.com/problems/boundary-of-binary-tree
35 139 Word Break 40.1% Medium 2.2058799303129293 https://leetcode.com/problems/word-break
36 694 Number of Distinct Islands 56.0% Medium 2.1981500748571623 https://leetcode.com/problems/number-of-distinct-islands
37 1152 Analyze User Website Visit Pattern 43.5% Medium 2.1610636126719283 https://leetcode.com/problems/analyze-user-website-visit-pattern
38 1268 Search Suggestions System 63.2% Medium 2.157831912757614 https://leetcode.com/problems/search-suggestions-system
39 1000 Minimum Cost to Merge Stones 39.8% Hard 2.0763714386373158 https://leetcode.com/problems/minimum-cost-to-merge-stones
40 380 Insert Delete GetRandom O(1) 47.5% Medium 2.0707373499375032 https://leetcode.com/problems/insert-delete-getrandom-o1
41 675 Cut Off Trees for Golf Event 34.6% Hard 2.0356851106499882 https://leetcode.com/problems/cut-off-trees-for-golf-event
42 269 Alien Dictionary 33.3% Hard 2.01306490259895 https://leetcode.com/problems/alien-dictionary
43 121 Best Time to Buy and Sell Stock 50.5% Easy 2.0057576952331098 https://leetcode.com/problems/best-time-to-buy-and-sell-stock
44 49 Group Anagrams 56.9% Medium 1.9598330557667063 https://leetcode.com/problems/group-anagrams
45 772 Basic Calculator III 41.3% Hard 1.93133194589594 https://leetcode.com/problems/basic-calculator-iii
46 863 All Nodes Distance K in Binary Tree 55.4% Medium 1.924676094041702 https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
47 155 Min Stack 44.5% Easy 1.9215077818220445 https://leetcode.com/problems/min-stack
48 20 Valid Parentheses 39.0% Easy 1.9107339238261305 https://leetcode.com/problems/valid-parentheses
49 15 3Sum 26.8% Medium 1.889218736497702 https://leetcode.com/problems/3sum
50 165 Compare Version Numbers 27.4% Medium 1.7706467919904958 https://leetcode.com/problems/compare-version-numbers
51 239 Sliding Window Maximum 43.0% Hard 1.7509567493480187 https://leetcode.com/problems/sliding-window-maximum
52 733 Flood Fill 55.3% Easy 1.74755550107457 https://leetcode.com/problems/flood-fill
53 866 Prime Palindrome 24.9% Medium 1.7204703854807533 https://leetcode.com/problems/prime-palindrome
54 238 Product of Array Except Self 60.1% Medium 1.71425284264257 https://leetcode.com/problems/product-of-array-except-self
55 341 Flatten Nested List Iterator 52.9% Medium 1.7121511329488845 https://leetcode.com/problems/flatten-nested-list-iterator
56 490 The Maze 51.4% Medium 1.6829041515736798 https://leetcode.com/problems/the-maze
57 17 Letter Combinations of a Phone Number 46.8% Medium 1.6822073282155063 https://leetcode.com/problems/letter-combinations-of-a-phone-number
58 3 Longest Substring Without Repeating Characters 30.4% Medium 1.6660170989747354 https://leetcode.com/problems/longest-substring-without-repeating-characters
59 45 Jump Game II 30.6% Hard 1.6544525444028277 https://leetcode.com/problems/jump-game-ii
60 1099 Two Sum Less Than K 60.6% Easy 1.6416694814604238 https://leetcode.com/problems/two-sum-less-than-k
61 207 Course Schedule 43.1% Medium 1.61781279723231 https://leetcode.com/problems/course-schedule
62 12 Integer to Roman 55.1% Medium 1.6016095787657718 https://leetcode.com/problems/integer-to-roman
63 1102 Path With Maximum Minimum Value 49.2% Medium 1.586376093728572 https://leetcode.com/problems/path-with-maximum-minimum-value
64 33 Search in Rotated Sorted Array 34.5% Medium 1.5791221107028763 https://leetcode.com/problems/search-in-rotated-sorted-array
65 56 Merge Intervals 39.3% Medium 1.5421333498120642 https://leetcode.com/problems/merge-intervals
66 895 Maximum Frequency Stack 60.6% Hard 1.5225874235471424 https://leetcode.com/problems/maximum-frequency-stack
67 314 Binary Tree Vertical Order Traversal 45.3% Medium 1.5177649083529745 https://leetcode.com/problems/binary-tree-vertical-order-traversal
68 53 Maximum Subarray 46.5% Easy 1.516974311835203 https://leetcode.com/problems/maximum-subarray
69 353 Design Snake Game 34.2% Medium 1.506328285095676 https://leetcode.com/problems/design-snake-game
70 322 Coin Change 35.5% Medium 1.4806772164640813 https://leetcode.com/problems/coin-change
71 4 Median of Two Sorted Arrays 29.6% Hard 1.4554565552515453 https://leetcode.com/problems/median-of-two-sorted-arrays
72 103 Binary Tree Zigzag Level Order Traversal 48.3% Medium 1.4259067156727416 https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
73 99 Recover Binary Search Tree 39.7% Hard 1.4089750010850042 https://leetcode.com/problems/recover-binary-search-tree
74 76 Minimum Window Substring 34.6% Hard 1.3926423524495424 https://leetcode.com/problems/minimum-window-substring
75 706 Design HashMap 61.3% Easy 1.3834166612922754 https://leetcode.com/problems/design-hashmap
76 449 Serialize and Deserialize BST 52.0% Medium 1.3213393231925648 https://leetcode.com/problems/serialize-and-deserialize-bst
77 289 Game of Life 54.5% Medium 1.3165288639550394 https://leetcode.com/problems/game-of-life
78 64 Minimum Path Sum 54.5% Medium 1.3111693715773884 https://leetcode.com/problems/minimum-path-sum
79 140 Word Break II 32.6% Hard 1.3055596050544398 https://leetcode.com/problems/word-break-ii
80 505 The Maze II 47.7% Medium 1.2979377678520694 https://leetcode.com/problems/the-maze-ii
81 227 Basic Calculator II 36.9% Medium 1.287359403895079 https://leetcode.com/problems/basic-calculator-ii
82 323 Number of Connected Components in an Undirected Graph 56.0% Medium 1.2764047315524085 https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
83 124 Binary Tree Maximum Path Sum 34.3% Hard 1.270922263715394 https://leetcode.com/problems/binary-tree-maximum-path-sum
84 224 Basic Calculator 36.8% Hard 1.270759854947338 https://leetcode.com/problems/basic-calculator
85 206 Reverse Linked List 62.5% Easy 1.2672568786519014 https://leetcode.com/problems/reverse-linked-list
86 503 Next Greater Element II 56.5% Medium 1.2578496219398863 https://leetcode.com/problems/next-greater-element-ii
87 387 First Unique Character in a String 53.4% Easy 1.2577684700448748 https://leetcode.com/problems/first-unique-character-in-a-string
88 208 Implement Trie (Prefix Tree) 49.4% Medium 1.2499823265022014 https://leetcode.com/problems/implement-trie-prefix-tree
89 543 Diameter of Binary Tree 48.4% Easy 1.2410094815743256 https://leetcode.com/problems/diameter-of-binary-tree
90 535 Encode and Decode TinyURL 79.9% Medium 1.227174226434749 https://leetcode.com/problems/encode-and-decode-tinyurl
91 815 Bus Routes 42.5% Hard 1.2156017946017912 https://leetcode.com/problems/bus-routes
92 11 Container With Most Water 50.8% Medium 1.2010266143542228 https://leetcode.com/problems/container-with-most-water
93 1091 Shortest Path in Binary Matrix 38.2% Medium 1.200913466942589 https://leetcode.com/problems/shortest-path-in-binary-matrix
94 362 Design Hit Counter 63.7% Medium 1.199980268917449 https://leetcode.com/problems/design-hit-counter
95 489 Robot Room Cleaner 69.7% Hard 1.1739954424366683 https://leetcode.com/problems/robot-room-cleaner
96 236 Lowest Common Ancestor of a Binary Tree 45.7% Medium 1.1582287933185333 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
97 277 Find the Celebrity 41.8% Medium 1.1562032194143523 https://leetcode.com/problems/find-the-celebrity
98 980 Unique Paths III 73.3% Hard 1.1561821404895873 https://leetcode.com/problems/unique-paths-iii
99 716 Max Stack 42.6% Easy 1.143395891295083 https://leetcode.com/problems/max-stack
100 74 Search a 2D Matrix 36.5% Medium 1.1351642692702506 https://leetcode.com/problems/search-a-2d-matrix
101 759 Employee Free Time 66.2% Hard 1.1328873695767963 https://leetcode.com/problems/employee-free-time
102 496 Next Greater Element I 63.8% Easy 1.1237639698973036 https://leetcode.com/problems/next-greater-element-i
103 97 Interleaving String 31.5% Hard 1.1211081248375274 https://leetcode.com/problems/interleaving-string
104 173 Binary Search Tree Iterator 56.6% Medium 1.114540456834975 https://leetcode.com/problems/binary-search-tree-iterator
105 54 Spiral Matrix 34.1% Medium 1.1072855603632137 https://leetcode.com/problems/spiral-matrix
106 394 Decode String 50.0% Medium 1.0885854207873837 https://leetcode.com/problems/decode-string
107 22 Generate Parentheses 62.7% Medium 1.0741309008544615 https://leetcode.com/problems/generate-parentheses
108 211 Add and Search Word - Data structure design 38.1% Medium 1.068971286476014 https://leetcode.com/problems/add-and-search-word-data-structure-design
109 317 Shortest Distance from All Buildings 41.4% Hard 1.0631755099111992 https://leetcode.com/problems/shortest-distance-from-all-buildings
110 703 Kth Largest Element in a Stream 49.7% Easy 1.0476504188568838 https://leetcode.com/problems/kth-largest-element-in-a-stream
111 93 Restore IP Addresses 35.6% Medium 1.0301182947170724 https://leetcode.com/problems/restore-ip-addresses
112 640 Solve the Equation 42.0% Medium 1.0254396827784502 https://leetcode.com/problems/solve-the-equation
113 445 Add Two Numbers II 54.5% Medium 1.0248223927917601 https://leetcode.com/problems/add-two-numbers-ii
114 564 Find the Closest Palindrome 19.7% Hard 1.0211247931897356 https://leetcode.com/problems/find-the-closest-palindrome
115 102 Binary Tree Level Order Traversal 54.6% Medium 1.0168566877633323 https://leetcode.com/problems/binary-tree-level-order-traversal
116 437 Path Sum III 47.2% Medium 1.01420443066745 https://leetcode.com/problems/path-sum-iii
117 631 Design Excel Sum Formula 31.6% Hard 1.007640510462383 https://leetcode.com/problems/design-excel-sum-formula
118 215 Kth Largest Element in an Array 55.4% Medium 1.0022262615303217 https://leetcode.com/problems/kth-largest-element-in-an-array
119 997 Find the Town Judge 50.1% Easy 0.9903020109316887 https://leetcode.com/problems/find-the-town-judge
120 695 Max Area of Island 62.7% Medium 0.988975047363172 https://leetcode.com/problems/max-area-of-island
121 403 Frog Jump 39.7% Hard 0.986149938424414 https://leetcode.com/problems/frog-jump
122 116 Populating Next Right Pointers in Each Node 45.2% Medium 0.9771405730638729 https://leetcode.com/problems/populating-next-right-pointers-in-each-node
123 726 Number of Atoms 49.0% Hard 0.9725715677727447 https://leetcode.com/problems/number-of-atoms
124 55 Jump Game 34.6% Medium 0.9675236014754398 https://leetcode.com/problems/jump-game
125 98 Validate Binary Search Tree 27.8% Medium 0.9662594465630313 https://leetcode.com/problems/validate-binary-search-tree
126 767 Reorganize String 48.7% Medium 0.963102782263259 https://leetcode.com/problems/reorganize-string
127 1044 Longest Duplicate Substring 31.9% Hard 0.9584751419361788 https://leetcode.com/problems/longest-duplicate-substring
128 770 Basic Calculator IV 48.1% Hard 0.9582549309731873 https://leetcode.com/problems/basic-calculator-iv
129 210 Course Schedule II 40.7% Medium 0.9580946198777129 https://leetcode.com/problems/course-schedule-ii
130 739 Daily Temperatures 63.3% Medium 0.9460428580770935 https://leetcode.com/problems/daily-temperatures
131 347 Top K Frequent Elements 61.2% Medium 0.944060927263745 https://leetcode.com/problems/top-k-frequent-elements
132 91 Decode Ways 24.7% Medium 0.9291972065677444 https://leetcode.com/problems/decode-ways
133 388 Longest Absolute File Path 41.8% Medium 0.91753219696222 https://leetcode.com/problems/longest-absolute-file-path
134 57 Insert Interval 33.5% Hard 0.8985038991641041 https://leetcode.com/problems/insert-interval
135 105 Construct Binary Tree from Preorder and Inorder Traversal 48.8% Medium 0.8940038587005907 https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
136 13 Roman to Integer 55.7% Easy 0.8933962612312258 https://leetcode.com/problems/roman-to-integer
137 653 Two Sum IV - Input is a BST 55.5% Easy 0.8889872641089201 https://leetcode.com/problems/two-sum-iv-input-is-a-bst
138 399 Evaluate Division 51.6% Medium 0.8812413457657069 https://leetcode.com/problems/evaluate-division
139 143 Reorder List 37.1% Medium 0.8793923055639359 https://leetcode.com/problems/reorder-list
140 79 Word Search 35.6% Medium 0.8759684458676714 https://leetcode.com/problems/word-search
141 384 Shuffle an Array 52.8% Medium 0.8699792450691285 https://leetcode.com/problems/shuffle-an-array
142 1155 Number of Dice Rolls With Target Sum 49.0% Medium 0.8666032186425704 https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
143 25 Reverse Nodes in k-Group 42.1% Hard 0.8575824149327572 https://leetcode.com/problems/reverse-nodes-in-k-group
144 252 Meeting Rooms 54.6% Easy 0.844766213465424 https://leetcode.com/problems/meeting-rooms
145 221 Maximal Square 37.7% Medium 0.8389600248044948 https://leetcode.com/problems/maximal-square
146 622 Design Circular Queue 43.7% Medium 0.8231587572738468 https://leetcode.com/problems/design-circular-queue
147 981 Time Based Key-Value Store 53.1% Medium 0.8180951326968029 https://leetcode.com/problems/time-based-key-value-store
148 333 Largest BST Subtree 35.8% Medium 0.8169787959635177 https://leetcode.com/problems/largest-bst-subtree
149 185 Department Top Three Salaries 34.5% Hard 0.8162131770102277 https://leetcode.com/problems/department-top-three-salaries
150 456 132 Pattern 28.9% Medium 0.8138174114576592 https://leetcode.com/problems/132-pattern
151 480 Sliding Window Median 37.2% Hard 0.8042373907743527 https://leetcode.com/problems/sliding-window-median
152 36 Valid Sudoku 48.7% Medium 0.802497178015298 https://leetcode.com/problems/valid-sudoku
153 48 Rotate Image 56.7% Medium 0.8008039084781219 https://leetcode.com/problems/rotate-image
154 628 Maximum Product of Three Numbers 47.1% Easy 0.790349508516308 https://leetcode.com/problems/maximum-product-of-three-numbers
155 188 Best Time to Buy and Sell Stock IV 28.0% Hard 0.7898945225949174 https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
156 336 Palindrome Pairs 33.7% Hard 0.7886756056728623 https://leetcode.com/problems/palindrome-pairs
157 199 Binary Tree Right Side View 54.1% Medium 0.7876280977126043 https://leetcode.com/problems/binary-tree-right-side-view
158 556 Next Greater Element III 31.7% Medium 0.7873680356378151 https://leetcode.com/problems/next-greater-element-iii
159 352 Data Stream as Disjoint Intervals 47.3% Hard 0.7849120431121034 https://leetcode.com/problems/data-stream-as-disjoint-intervals
160 688 Knight Probability in Chessboard 48.9% Medium 0.7779674428567601 https://leetcode.com/problems/knight-probability-in-chessboard
161 133 Clone Graph 34.8% Medium 0.7777045685880084 https://leetcode.com/problems/clone-graph
162 340 Longest Substring with At Most K Distinct Characters 44.1% Hard 0.7767156879202488 https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
163 286 Walls and Gates 54.5% Medium 0.7665200207243745 https://leetcode.com/problems/walls-and-gates
164 117 Populating Next Right Pointers in Each Node II 39.1% Medium 0.7633611466044863 https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
165 529 Minesweeper 59.1% Medium 0.7566953924986649 https://leetcode.com/problems/minesweeper
166 373 Find K Pairs with Smallest Sums 36.7% Medium 0.7534978029618075 https://leetcode.com/problems/find-k-pairs-with-smallest-sums
167 39 Combination Sum 56.1% Medium 0.7530803152298828 https://leetcode.com/problems/combination-sum
168 312 Burst Balloons 51.8% Hard 0.7383294033531782 https://leetcode.com/problems/burst-balloons
169 540 Single Element in a Sorted Array 57.9% Medium 0.7377254480119279 https://leetcode.com/problems/single-element-in-a-sorted-array
170 1038 Binary Search Tree to Greater Sum Tree 80.8% Medium 0.7366460015524573 https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
171 378 Kth Smallest Element in a Sorted Matrix 54.3% Medium 0.7208465856314515 https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
172 987 Vertical Order Traversal of a Binary Tree 36.6% Medium 0.7193470381638601 https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
173 109 Convert Sorted List to Binary Search Tree 47.7% Medium 0.7182831538314877 https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
174 1046 Last Stone Weight 62.2% Easy 0.7136834368003875 https://leetcode.com/problems/last-stone-weight
175 560 Subarray Sum Equals K 43.9% Medium 0.7082042605360416 https://leetcode.com/problems/subarray-sum-equals-k
176 46 Permutations 63.5% Medium 0.7006713538066263 https://leetcode.com/problems/permutations
177 332 Reconstruct Itinerary 36.7% Medium 0.6934933810134637 https://leetcode.com/problems/reconstruct-itinerary
178 62 Unique Paths 54.1% Medium 0.679976059447545 https://leetcode.com/problems/unique-paths
179 284 Peeking Iterator 45.7% Medium 0.6707820311003652 https://leetcode.com/problems/peeking-iterator
180 417 Pacific Atlantic Water Flow 41.1% Medium 0.666478933477784 https://leetcode.com/problems/pacific-atlantic-water-flow
181 261 Graph Valid Tree 42.2% Medium 0.661701044953794 https://leetcode.com/problems/graph-valid-tree
182 218 The Skyline Problem 34.6% Hard 0.6570184564714399 https://leetcode.com/problems/the-skyline-problem
183 84 Largest Rectangle in Histogram 35.2% Hard 0.6538762359232341 https://leetcode.com/problems/largest-rectangle-in-histogram
184 32 Longest Valid Parentheses 28.4% Hard 0.6498908753938852 https://leetcode.com/problems/longest-valid-parentheses
185 711 Number of Distinct Islands II 47.3% Hard 0.6359887667199967 https://leetcode.com/problems/number-of-distinct-islands-ii
186 101 Symmetric Tree 46.8% Easy 0.6277269630953998 https://leetcode.com/problems/symmetric-tree
187 287 Find the Duplicate Number 55.5% Medium 0.6216243663856534 https://leetcode.com/problems/find-the-duplicate-number
188 41 First Missing Positive 32.0% Hard 0.6155202158646018 https://leetcode.com/problems/first-missing-positive
189 1219 Path with Maximum Gold 65.1% Medium 0.6151572787436681 https://leetcode.com/problems/path-with-maximum-gold
190 205 Isomorphic Strings 39.8% Easy 0.6091659093074805 https://leetcode.com/problems/isomorphic-strings
191 1214 Two Sum BSTs 67.6% Medium 0.5957174923400869 https://leetcode.com/problems/two-sum-bsts
192 518 Coin Change 2 50.2% Medium 0.5915614413251872 https://leetcode.com/problems/coin-change-2
193 721 Accounts Merge 48.8% Medium 0.5908536653497264 https://leetcode.com/problems/accounts-merge
194 787 Cheapest Flights Within K Stops 39.3% Medium 0.5893689437132485 https://leetcode.com/problems/cheapest-flights-within-k-stops
195 150 Evaluate Reverse Polish Notation 36.3% Medium 0.5881819999537198 https://leetcode.com/problems/evaluate-reverse-polish-notation
196 10 Regular Expression Matching 26.8% Hard 0.5850984373117593 https://leetcode.com/problems/regular-expression-matching
197 63 Unique Paths II 34.6% Medium 0.5820823931819539 https://leetcode.com/problems/unique-paths-ii
198 134 Gas Station 38.5% Medium 0.5687668431527801 https://leetcode.com/problems/gas-station
199 737 Sentence Similarity II 45.8% Medium 0.5686930060865394 https://leetcode.com/problems/sentence-similarity-ii
200 978 Longest Turbulent Subarray 46.6% Medium 0.5684623920757161 https://leetcode.com/problems/longest-turbulent-subarray
201 268 Missing Number 51.7% Easy 0.5678291006201323 https://leetcode.com/problems/missing-number
202 992 Subarrays with K Different Integers 48.6% Hard 0.5672611876601065 https://leetcode.com/problems/subarrays-with-k-different-integers
203 409 Longest Palindrome 50.3% Easy 0.5661573229787376 https://leetcode.com/problems/longest-palindrome
204 300 Longest Increasing Subsequence 42.6% Medium 0.5653677916137054 https://leetcode.com/problems/longest-increasing-subsequence
205 983 Minimum Cost For Tickets 60.5% Medium 0.5629118579098171 https://leetcode.com/problems/minimum-cost-for-tickets
206 135 Candy 31.6% Hard 0.5626323814748484 https://leetcode.com/problems/candy
207 634 Find the Derangement of An Array 40.1% Medium 0.5623075796011341 https://leetcode.com/problems/find-the-derangement-of-an-array
208 8 String to Integer (atoi) 15.4% Medium 0.5566121908772103 https://leetcode.com/problems/string-to-integer-atoi
209 993 Cousins in Binary Tree 52.0% Easy 0.5551513544505905 https://leetcode.com/problems/cousins-in-binary-tree
210 1100 Find K-Length Substrings With No Repeated Characters 72.7% Medium 0.5543107357057295 https://leetcode.com/problems/find-k-length-substrings-with-no-repeated-characters
211 516 Longest Palindromic Subsequence 53.2% Medium 0.5522281191875855 https://leetcode.com/problems/longest-palindromic-subsequence
212 75 Sort Colors 47.3% Medium 0.5427432267342958 https://leetcode.com/problems/sort-colors
213 943 Find the Shortest Superstring 42.9% Hard 0.5357102670818683 https://leetcode.com/problems/find-the-shortest-superstring
214 71 Simplify Path 32.6% Medium 0.5262793676678309 https://leetcode.com/problems/simplify-path
215 547 Friend Circles 58.6% Medium 0.5259672525715527 https://leetcode.com/problems/friend-circles
216 1429 First Unique Number 47.0% Medium 0.5239621016713606 https://leetcode.com/problems/first-unique-number
217 153 Find Minimum in Rotated Sorted Array 45.1% Medium 0.5222372151929279 https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
218 86 Partition List 41.5% Medium 0.5141613428466489 https://leetcode.com/problems/partition-list
219 192 Word Frequency 25.8% Medium 0.5129680991436376 https://leetcode.com/problems/word-frequency
220 1057 Campus Bikes 57.7% Medium 0.50861323348305 https://leetcode.com/problems/campus-bikes
221 37 Sudoku Solver 43.6% Hard 0.5078801135362339 https://leetcode.com/problems/sudoku-solver
222 85 Maximal Rectangle 37.7% Hard 0.505442030682518 https://leetcode.com/problems/maximal-rectangle
223 349 Intersection of Two Arrays 62.5% Easy 0.5048408597071582 https://leetcode.com/problems/intersection-of-two-arrays
224 1135 Connecting Cities With Minimum Cost 57.5% Medium 0.501406401849499 https://leetcode.com/problems/connecting-cities-with-minimum-cost
225 72 Edit Distance 44.8% Hard 0.4973447790261514 https://leetcode.com/problems/edit-distance
226 636 Exclusive Time of Functions 52.0% Medium 0.49627524402791723 https://leetcode.com/problems/exclusive-time-of-functions
227 528 Random Pick with Weight 43.9% Medium 0.48937950996520846 https://leetcode.com/problems/random-pick-with-weight
228 113 Path Sum II 46.7% Medium 0.48815162137800294 https://leetcode.com/problems/path-sum-ii
229 735 Asteroid Collision 41.0% Medium 0.48598907090432486 https://leetcode.com/problems/asteroid-collision
230 538 Convert BST to Greater Tree 55.4% Easy 0.485748321807536 https://leetcode.com/problems/convert-bst-to-greater-tree
231 1236 Web Crawler 64.3% Medium 0.48550781578170077 https://leetcode.com/problems/web-crawler
232 1011 Capacity To Ship Packages Within D Days 58.1% Medium 0.4816807923583991 https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
233 1032 Stream of Characters 48.3% Hard 0.4815348268449252 https://leetcode.com/problems/stream-of-characters
234 301 Remove Invalid Parentheses 43.3% Hard 0.47974654080004886 https://leetcode.com/problems/remove-invalid-parentheses
235 426 Convert Binary Search Tree to Sorted Doubly Linked List 59.1% Medium 0.47793775692115553 https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
236 16 3Sum Closest 46.0% Medium 0.4774123771930342 https://leetcode.com/problems/3sum-closest
237 315 Count of Smaller Numbers After Self 41.5% Hard 0.4767121931596299 https://leetcode.com/problems/count-of-smaller-numbers-after-self
238 298 Binary Tree Longest Consecutive Sequence 47.1% Medium 0.4737843520856416 https://leetcode.com/problems/binary-tree-longest-consecutive-sequence
239 794 Valid Tic-Tac-Toe State 32.6% Medium 0.4724161756511195 https://leetcode.com/problems/valid-tic-tac-toe-state
240 176 Second Highest Salary 31.6% Easy 0.47069912017443083 https://leetcode.com/problems/second-highest-salary
241 558 Logical OR of Two Binary Grids Represented as Quad-Trees 44.6% Medium 0.46813621507094005 https://leetcode.com/problems/logical-or-of-two-binary-grids-represented-as-quad-trees
242 88 Merge Sorted Array 39.4% Easy 0.46429699445861544 https://leetcode.com/problems/merge-sorted-array
243 272 Closest Binary Search Tree Value II 50.5% Hard 0.462623521948113 https://leetcode.com/problems/closest-binary-search-tree-value-ii
244 59 Spiral Matrix II 53.9% Medium 0.4529975257530934 https://leetcode.com/problems/spiral-matrix-ii
245 68 Text Justification 27.7% Hard 0.4495613440132932 https://leetcode.com/problems/text-justification
246 635 Design Log Storage System 58.6% Medium 0.4485486942444761 https://leetcode.com/problems/design-log-storage-system
247 285 Inorder Successor in BST 40.4% Medium 0.44766390708014486 https://leetcode.com/problems/inorder-successor-in-bst
248 465 Optimal Account Balancing 46.9% Hard 0.44746022914476763 https://leetcode.com/problems/optimal-account-balancing
249 120 Triangle 44.2% Medium 0.4465801975799588 https://leetcode.com/problems/triangle
250 19 Remove Nth Node From End of List 35.2% Medium 0.4456768409675064 https://leetcode.com/problems/remove-nth-node-from-end-of-list
251 123 Best Time to Buy and Sell Stock III 37.5% Hard 0.44142820516401104 https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
252 167 Two Sum II - Input array is sorted 54.1% Easy 0.43971022755443356 https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
253 1120 Maximum Average Subtree 61.9% Medium 0.43814407233118585 https://leetcode.com/problems/maximum-average-subtree
254 854 K-Similar Strings 38.2% Hard 0.43634727500236803 https://leetcode.com/problems/k-similar-strings
255 361 Bomb Enemy 46.0% Medium 0.4333220626111306 https://leetcode.com/problems/bomb-enemy
256 356 Line Reflection 31.8% Medium 0.4269293467764643 https://leetcode.com/problems/line-reflection
257 122 Best Time to Buy and Sell Stock II 57.0% Easy 0.4220164440136994 https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
258 1010 Pairs of Songs With Total Durations Divisible by 60 47.4% Easy 0.42064633523841427 https://leetcode.com/problems/pairs-of-songs-with-total-durations-divisible-by-60
259 96 Unique Binary Search Trees 52.9% Medium 0.42021191912831435 https://leetcode.com/problems/unique-binary-search-trees
260 438 Find All Anagrams in a String 43.3% Medium 0.42018018969304527 https://leetcode.com/problems/find-all-anagrams-in-a-string
261 177 Nth Highest Salary 31.4% Medium 0.41948151008170015 https://leetcode.com/problems/nth-highest-salary
262 169 Majority Element 58.7% Easy 0.4187817161007766 https://leetcode.com/problems/majority-element
263 228 Summary Ranges 39.5% Medium 0.41424759968851377 https://leetcode.com/problems/summary-ranges
264 128 Longest Consecutive Sequence 45.1% Hard 0.4130892250537352 https://leetcode.com/problems/longest-consecutive-sequence
265 366 Find Leaves of Binary Tree 70.6% Medium 0.4130123137435473 https://leetcode.com/problems/find-leaves-of-binary-tree
266 149 Max Points on a Line 16.9% Hard 0.4117347211217598 https://leetcode.com/problems/max-points-on-a-line
267 234 Palindrome Linked List 39.3% Easy 0.40610862095331074 https://leetcode.com/problems/palindrome-linked-list
268 442 Find All Duplicates in an Array 67.8% Medium 0.4029173360293657 https://leetcode.com/problems/find-all-duplicates-in-an-array
269 1066 Campus Bikes II 54.2% Medium 0.40032370860774574 https://leetcode.com/problems/campus-bikes-ii
270 78 Subsets 62.0% Medium 0.3978316012118198 https://leetcode.com/problems/subsets
271 1335 Minimum Difficulty of a Job Schedule 57.6% Hard 0.3963047387095001 https://leetcode.com/problems/minimum-difficulty-of-a-job-schedule
272 18 4Sum 33.7% Medium 0.3951916126129905 https://leetcode.com/problems/4sum
273 1197 Minimum Knight Moves 36.1% Medium 0.39358878405685155 https://leetcode.com/problems/minimum-knight-moves
274 296 Best Meeting Point 57.5% Hard 0.388507095744267 https://leetcode.com/problems/best-meeting-point
275 1215 Stepping Numbers 41.6% Medium 0.3856624808119847 https://leetcode.com/problems/stepping-numbers
276 230 Kth Smallest Element in a BST 60.2% Medium 0.37791604408658863 https://leetcode.com/problems/kth-smallest-element-in-a-bst
277 152 Maximum Product Subarray 31.7% Medium 0.37438681518796224 https://leetcode.com/problems/maximum-product-subarray
278 283 Move Zeroes 57.8% Easy 0.37259180599681807 https://leetcode.com/problems/move-zeroes
279 1279 Traffic Light Controlled Intersection 74.3% Easy 0.37117603462953225 https://leetcode.com/problems/traffic-light-controlled-intersection
280 498 Diagonal Traverse 48.2% Medium 0.36965808183913323 https://leetcode.com/problems/diagonal-traverse
281 346 Moving Average from Data Stream 70.9% Easy 0.3685471485927166 https://leetcode.com/problems/moving-average-from-data-stream
282 432 All O`one Data Structure 32.4% Hard 0.3685471485927166 https://leetcode.com/problems/all-oone-data-structure
283 92 Reverse Linked List II 38.8% Medium 0.36663565313437546 https://leetcode.com/problems/reverse-linked-list-ii
284 647 Palindromic Substrings 60.6% Medium 0.3658330889129942 https://leetcode.com/problems/palindromic-substrings
285 6 ZigZag Conversion 36.3% Medium 0.3614824134493735 https://leetcode.com/problems/zigzag-conversion
286 31 Next Permutation 32.6% Medium 0.3605125693237505 https://leetcode.com/problems/next-permutation
287 1083 Sales Analysis II 50.5% Easy 0.35277564256684985 https://leetcode.com/problems/sales-analysis-ii
288 1022 Sum of Root To Leaf Binary Numbers 67.2% Easy 0.34981385355878714 https://leetcode.com/problems/sum-of-root-to-leaf-binary-numbers
289 843 Guess the Word 46.1% Hard 0.34967374847974886 https://leetcode.com/problems/guess-the-word
290 410 Split Array Largest Sum 44.5% Hard 0.3494594321480241 https://leetcode.com/problems/split-array-largest-sum
291 51 N-Queens 46.6% Hard 0.34587301090591877 https://leetcode.com/problems/n-queens
292 329 Longest Increasing Path in a Matrix 43.4% Hard 0.34223732585313005 https://leetcode.com/problems/longest-increasing-path-in-a-matrix
293 785 Is Graph Bipartite? 47.5% Medium 0.3413031638908785 https://leetcode.com/problems/is-graph-bipartite
294 148 Sort List 42.3% Medium 0.3404883062761029 https://leetcode.com/problems/sort-list
295 30 Substring with Concatenation of All Words 25.4% Hard 0.3384481668491529 https://leetcode.com/problems/substring-with-concatenation-of-all-words
296 14 Longest Common Prefix 35.4% Easy 0.33820492794739787 https://leetcode.com/problems/longest-common-prefix
297 1130 Minimum Cost Tree From Leaf Values 66.1% Medium 0.33787755363431937 https://leetcode.com/problems/minimum-cost-tree-from-leaf-values
298 715 Range Module 38.5% Hard 0.33647223662121295 https://leetcode.com/problems/range-module
299 233 Number of Digit One 31.3% Hard 0.3343430661930074 https://leetcode.com/problems/number-of-digit-one
300 428 Serialize and Deserialize N-ary Tree 59.4% Hard 0.3333026618599339 https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
301 28 Implement strStr() 34.5% Easy 0.3329666353832624 https://leetcode.com/problems/implement-strstr
302 187 Repeated DNA Sequences 38.9% Medium 0.3305164293012779 https://leetcode.com/problems/repeated-dna-sequences
303 611 Valid Triangle Number 48.4% Medium 0.33024168687057687 https://leetcode.com/problems/valid-triangle-number
304 827 Making A Large Island 45.7% Hard 0.32879599515977564 https://leetcode.com/problems/making-a-large-island
305 129 Sum Root to Leaf Numbers 49.1% Medium 0.3277345401930075 https://leetcode.com/problems/sum-root-to-leaf-numbers
306 430 Flatten a Multilevel Doubly Linked List 55.1% Medium 0.32335829449138764 https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
307 901 Online Stock Span 60.2% Medium 0.3225465062722876 https://leetcode.com/problems/online-stock-span
308 1004 Max Consecutive Ones III 59.1% Medium 0.3213847274185471 https://leetcode.com/problems/max-consecutive-ones-iii
309 243 Shortest Word Distance 61.0% Easy 0.3181698955520328 https://leetcode.com/problems/shortest-word-distance
310 652 Find Duplicate Subtrees 50.2% Medium 0.31675833653328983 https://leetcode.com/problems/find-duplicate-subtrees
311 164 Maximum Gap 35.5% Hard 0.31669089928362504 https://leetcode.com/problems/maximum-gap
312 710 Random Pick with Blacklist 32.5% Hard 0.3161972427598021 https://leetcode.com/problems/random-pick-with-blacklist
313 1094 Car Pooling 56.7% Medium 0.3139727676834986 https://leetcode.com/problems/car-pooling
314 678 Valid Parenthesis String 31.0% Medium 0.31306090671867376 https://leetcode.com/problems/valid-parenthesis-string
315 542 01 Matrix 39.8% Medium 0.3127505293143989 https://leetcode.com/problems/01-matrix
316 986 Interval List Intersections 67.3% Medium 0.31059633197465675 https://leetcode.com/problems/interval-list-intersections
317 682 Baseball Game 63.7% Easy 0.30408190151928766 https://leetcode.com/problems/baseball-game
318 179 Largest Number 28.8% Medium 0.2993933318726824 https://leetcode.com/problems/largest-number
319 235 Lowest Common Ancestor of a Binary Search Tree 49.9% Easy 0.29906505953500556 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
320 1244 Design A Leaderboard 60.7% Medium 0.29681946470121906 https://leetcode.com/problems/design-a-leaderboard
321 1229 Meeting Scheduler 52.7% Medium 0.2955601745092634 https://leetcode.com/problems/meeting-scheduler
322 1031 Maximum Sum of Two Non-Overlapping Subarrays 57.9% Medium 0.2928670946738281 https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays
323 1275 Find Winner on a Tic Tac Toe Game 52.8% Easy 0.2924262358737592 https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
324 658 Find K Closest Elements 40.9% Medium 0.29206941888140686 https://leetcode.com/problems/find-k-closest-elements
325 1166 Design File System 56.8% Medium 0.28978070910870213 https://leetcode.com/problems/design-file-system
326 729 My Calendar I 51.8% Medium 0.28814578681204955 https://leetcode.com/problems/my-calendar-i
327 463 Island Perimeter 65.7% Easy 0.2871321686710828 https://leetcode.com/problems/island-perimeter
328 161 One Edit Distance 32.3% Medium 0.28698931177288023 https://leetcode.com/problems/one-edit-distance
329 699 Falling Squares 41.8% Hard 0.2856138193877219 https://leetcode.com/problems/falling-squares
330 708 Insert into a Sorted Circular Linked List 31.6% Medium 0.28504006298894224 https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
331 1104 Path In Zigzag Labelled Binary Tree 72.0% Medium 0.2805718342692762 https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree
332 525 Contiguous Array 42.8% Medium 0.2770270045517302 https://leetcode.com/problems/contiguous-array
333 701 Insert into a Binary Search Tree 77.7% Medium 0.27518744386988786 https://leetcode.com/problems/insert-into-a-binary-search-tree
334 1172 Dinner Plate Stacks 38.2% Hard 0.2711095169699942 https://leetcode.com/problems/dinner-plate-stacks
335 229 Majority Element II 35.6% Medium 0.2683771567744578 https://leetcode.com/problems/majority-element-ii
336 34 Find First and Last Position of Element in Sorted Array 36.2% Medium 0.2681513034845063 https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
337 24 Swap Nodes in Pairs 50.4% Medium 0.26683115052864725 https://leetcode.com/problems/swap-nodes-in-pairs
338 773 Sliding Puzzle 59.3% Hard 0.26329061932762177 https://leetcode.com/problems/sliding-puzzle
339 242 Valid Anagram 56.9% Easy 0.262948481812954 https://leetcode.com/problems/valid-anagram
340 1139 Largest 1-Bordered Square 47.5% Medium 0.26159729523649006 https://leetcode.com/problems/largest-1-bordered-square
341 690 Employee Importance 57.3% Easy 0.26044752514150726 https://leetcode.com/problems/employee-importance
342 1074 Number of Submatrices That Sum to Target 60.4% Hard 0.2586674025861649 https://leetcode.com/problems/number-of-submatrices-that-sum-to-target
343 508 Most Frequent Subtree Sum 57.9% Medium 0.25863376562317586 https://leetcode.com/problems/most-frequent-subtree-sum
344 262 Trips and Users 32.7% Hard 0.2574582856986366 https://leetcode.com/problems/trips-and-users
345 632 Smallest Range Covering Elements from K Lists 52.4% Hard 0.2574120081490246 https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
346 683 K Empty Slots 35.6% Hard 0.25708853309999324 https://leetcode.com/problems/k-empty-slots
347 1084 Sales Analysis III 54.3% Easy 0.25658186347459155 https://leetcode.com/problems/sales-analysis-iii
348 466 Count The Repetitions 28.2% Hard 0.2561688067457042 https://leetcode.com/problems/count-the-repetitions
349 325 Maximum Size Subarray Sum Equals k 46.8% Medium 0.2525907526405108 https://leetcode.com/problems/maximum-size-subarray-sum-equals-k
350 29 Divide Two Integers 16.4% Medium 0.2524087060724961 https://leetcode.com/problems/divide-two-integers
351 337 House Robber III 50.6% Medium 0.24474562568123703 https://leetcode.com/problems/house-robber-iii
352 270 Closest Binary Search Tree Value 48.5% Easy 0.24399544337520654 https://leetcode.com/problems/closest-binary-search-tree-value
353 94 Binary Tree Inorder Traversal 63.3% Medium 0.24076588645845454 https://leetcode.com/problems/binary-tree-inorder-traversal
354 402 Remove K Digits 28.4% Medium 0.24067603007585034 https://leetcode.com/problems/remove-k-digits
355 662 Maximum Width of Binary Tree 41.0% Medium 0.23997959968856164 https://leetcode.com/problems/maximum-width-of-binary-tree
356 419 Battleships in a Board 70.0% Medium 0.23987034511952326 https://leetcode.com/problems/battleships-in-a-board
357 775 Global and Local Inversions 42.1% Medium 0.23922968906583414 https://leetcode.com/problems/global-and-local-inversions
358 112 Path Sum 41.2% Easy 0.23803283926479718 https://leetcode.com/problems/path-sum
359 1019 Next Greater Node In Linked List 57.4% Medium 0.2370206170237612 https://leetcode.com/problems/next-greater-node-in-linked-list
360 225 Implement Stack using Queues 45.1% Easy 0.2352539271098461 https://leetcode.com/problems/implement-stack-using-queues
361 1188 Design Bounded Blocking Queue 70.5% Medium 0.23300728083654992 https://leetcode.com/problems/design-bounded-blocking-queue
362 397 Integer Replacement 32.9% Medium 0.2322522675124501 https://leetcode.com/problems/integer-replacement
363 698 Partition to K Equal Sum Subsets 45.0% Medium 0.23205891497216208 https://leetcode.com/problems/partition-to-k-equal-sum-subsets
364 509 Fibonacci Number 67.2% Easy 0.22873204718012582 https://leetcode.com/problems/fibonacci-number
365 369 Plus One Linked List 58.2% Medium 0.22538822116803361 https://leetcode.com/problems/plus-one-linked-list
366 159 Longest Substring with At Most Two Distinct Characters 49.4% Medium 0.22148929121818325 https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters
367 1122 Relative Sort Array 67.7% Easy 0.21796115980722663 https://leetcode.com/problems/relative-sort-array
368 939 Minimum Area Rectangle 51.8% Medium 0.2169226914391073 https://leetcode.com/problems/minimum-area-rectangle
369 40 Combination Sum II 48.2% Medium 0.21560801183996 https://leetcode.com/problems/combination-sum-ii
370 81 Search in Rotated Sorted Array II 33.0% Medium 0.21357410029805904 https://leetcode.com/problems/search-in-rotated-sorted-array-ii
371 90 Subsets II 47.1% Medium 0.2089835112237315 https://leetcode.com/problems/subsets-ii
372 279 Perfect Squares 47.4% Medium 0.20821790109753407 https://leetcode.com/problems/perfect-squares
373 83 Remove Duplicates from Sorted List 45.4% Easy 0.20656326017269647 https://leetcode.com/problems/remove-duplicates-from-sorted-list
374 604 Design Compressed String Iterator 37.5% Easy 0.20585205420414873 https://leetcode.com/problems/design-compressed-string-iterator
375 579 Find Cumulative Salary of an Employee 37.0% Hard 0.20340107258500856 https://leetcode.com/problems/find-cumulative-salary-of-an-employee
376 443 String Compression 41.3% Easy 0.2021974133159511 https://leetcode.com/problems/string-compression
377 141 Linked List Cycle 41.1% Easy 0.2021173215788326 https://leetcode.com/problems/linked-list-cycle
378 1143 Longest Common Subsequence 58.4% Medium 0.20038826657183323 https://leetcode.com/problems/longest-common-subsequence
379 44 Wildcard Matching 24.7% Hard 0.19947835142380788 https://leetcode.com/problems/wildcard-matching
380 836 Rectangle Overlap 48.6% Easy 0.19944370144318244 https://leetcode.com/problems/rectangle-overlap
381 1007 Minimum Domino Rotations For Equal Row 50.0% Medium 0.19906748870593582 https://leetcode.com/problems/minimum-domino-rotations-for-equal-row
382 50 Pow(x n) 30.3% Medium 0.1981682603478686 https://leetcode.com/problems/powx-n
383 1315 Sum of Nodes with Even-Valued Grandparent 83.5% Medium 0.19757677034220278 https://leetcode.com/problems/sum-of-nodes-with-even-valued-grandparent
384 637 Average of Levels in Binary Tree 63.1% Easy 0.1972664368553499 https://leetcode.com/problems/average-of-levels-in-binary-tree
385 214 Shortest Palindrome 29.8% Hard 0.19671029424605424 https://leetcode.com/problems/shortest-palindrome
386 1062 Longest Repeating Substring 57.2% Medium 0.19627990904466153 https://leetcode.com/problems/longest-repeating-substring
387 1360 Number of Days Between Two Dates 48.8% Easy 0.19578302313828744 https://leetcode.com/problems/number-of-days-between-two-dates
388 581 Shortest Unsorted Continuous Subarray 31.1% Easy 0.19466945271128616 https://leetcode.com/problems/shortest-unsorted-continuous-subarray
389 73 Set Matrix Zeroes 43.1% Medium 0.19305803523368698 https://leetcode.com/problems/set-matrix-zeroes
390 451 Sort Characters By Frequency 63.0% Medium 0.19214843173356422 https://leetcode.com/problems/sort-characters-by-frequency
391 1198 Find Smallest Common Element in All Rows 74.9% Medium 0.19105523676270922 https://leetcode.com/problems/find-smallest-common-element-in-all-rows
392 756 Pyramid Transition Matrix 54.6% Medium 0.19105523676270922 https://leetcode.com/problems/pyramid-transition-matrix
393 114 Flatten Binary Tree to Linked List 49.3% Medium 0.19007687356143277 https://leetcode.com/problems/flatten-binary-tree-to-linked-list
394 864 Shortest Path to Get All Keys 40.1% Hard 0.18924199963852842 https://leetcode.com/problems/shortest-path-to-get-all-keys
395 136 Single Number 65.5% Easy 0.18865964400599367 https://leetcode.com/problems/single-number
396 900 RLE Iterator 53.5% Medium 0.1884471502206373 https://leetcode.com/problems/rle-iterator
397 178 Rank Scores 45.8% Medium 0.18843907402659216 https://leetcode.com/problems/rank-scores
398 7 Reverse Integer 25.8% Easy 0.18680592133798127 https://leetcode.com/problems/reverse-integer
399 743 Network Delay Time 45.0% Medium 0.18664052695637473 https://leetcode.com/problems/network-delay-time
400 181 Employees Earning More Than Their Managers 56.9% Easy 0.18496356625679328 https://leetcode.com/problems/employees-earning-more-than-their-managers
401 307 Range Sum Query - Mutable 34.6% Medium 0.1842870214165705 https://leetcode.com/problems/range-sum-query-mutable
402 137 Single Number II 52.4% Medium 0.18373876827436816 https://leetcode.com/problems/single-number-ii
403 969 Pancake Sorting 67.5% Medium 0.18336922582639836 https://leetcode.com/problems/pancake-sorting
404 226 Invert Binary Tree 65.0% Easy 0.18135450553395235 https://leetcode.com/problems/invert-binary-tree
405 407 Trapping Rain Water II 42.4% Hard 0.17945093763999478 https://leetcode.com/problems/trapping-rain-water-ii
406 163 Missing Ranges 24.3% Medium 0.17904823144898546 https://leetcode.com/problems/missing-ranges
407 316 Remove Duplicate Letters 35.8% Hard 0.17663825552387563 https://leetcode.com/problems/remove-duplicate-letters
408 162 Find Peak Element 43.3% Medium 0.17622454513525765 https://leetcode.com/problems/find-peak-element
409 130 Surrounded Regions 28.1% Medium 0.17613332483584074 https://leetcode.com/problems/surrounded-regions
410 473 Matchsticks to Square 37.7% Medium 0.17589066646366422 https://leetcode.com/problems/matchsticks-to-square
411 453 Minimum Moves to Equal Array Elements 50.2% Easy 0.17435338714477774 https://leetcode.com/problems/minimum-moves-to-equal-array-elements
412 415 Add Strings 47.5% Easy 0.17429245611868044 https://leetcode.com/problems/add-strings
413 202 Happy Number 50.4% Easy 0.17408932588103054 https://leetcode.com/problems/happy-number
414 1002 Find Common Characters 67.6% Easy 0.17272065827709143 https://leetcode.com/problems/find-common-characters
415 350 Intersection of Two Arrays II 51.4% Easy 0.1723244267089384 https://leetcode.com/problems/intersection-of-two-arrays-ii
416 929 Unique Email Addresses 67.4% Easy 0.17132822097463707 https://leetcode.com/problems/unique-email-addresses
417 264 Ugly Number II 42.0% Medium 0.1712203840326157 https://leetcode.com/problems/ugly-number-ii
418 609 Find Duplicate File in System 59.5% Medium 0.16971838464062922 https://leetcode.com/problems/find-duplicate-file-in-system
419 1430 Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree 44.8% Medium 0.16917873135476025 https://leetcode.com/problems/check-if-a-string-is-a-valid-sequence-from-root-to-leaves-path-in-a-binary-tree
420 69 Sqrt(x) 33.9% Easy 0.1690194941008683 https://leetcode.com/problems/sqrtx
421 618 Students Report By Geography 55.0% Hard 0.1684645221325284 https://leetcode.com/problems/students-report-by-geography
422 70 Climbing Stairs 47.8% Easy 0.16776798899548578 https://leetcode.com/problems/climbing-stairs
423 805 Split Array With Same Average 26.4% Hard 0.16635770580494058 https://leetcode.com/problems/split-array-with-same-average
424 963 Minimum Area Rectangle II 50.9% Medium 0.16635770580494058 https://leetcode.com/problems/minimum-area-rectangle-ii
425 232 Implement Queue using Stacks 49.6% Easy 0.16627106739678052 https://leetcode.com/problems/implement-queue-using-stacks
426 1024 Video Stitching 49.2% Medium 0.16582008790006805 https://leetcode.com/problems/video-stitching
427 412 Fizz Buzz 62.3% Easy 0.16533767872713678 https://leetcode.com/problems/fizz-buzz
428 244 Shortest Word Distance II 52.3% Medium 0.16400297627026994 https://leetcode.com/problems/shortest-word-distance-ii
429 204 Count Primes 31.5% Easy 0.1633347782917643 https://leetcode.com/problems/count-primes
430 110 Balanced Binary Tree 43.5% Easy 0.16237787582661925 https://leetcode.com/problems/balanced-binary-tree
431 881 Boats to Save People 46.8% Medium 0.16229864091884685 https://leetcode.com/problems/boats-to-save-people
432 1373 Maximum Sum BST in Binary Tree 40.2% Hard 0.1599143845440084 https://leetcode.com/problems/maximum-sum-bst-in-binary-tree
433 727 Minimum Window Subsequence 41.8% Hard 0.15970111035790735 https://leetcode.com/problems/minimum-window-subsequence
434 131 Palindrome Partitioning 47.5% Medium 0.15829229898055353 https://leetcode.com/problems/palindrome-partitioning
435 209 Minimum Size Subarray Sum 38.2% Medium 0.1579457507958099 https://leetcode.com/problems/minimum-size-subarray-sum
436 189 Rotate Array 34.7% Easy 0.1575195768933631 https://leetcode.com/problems/rotate-array
437 266 Palindrome Permutation 61.9% Easy 0.15687671513649673 https://leetcode.com/problems/palindrome-permutation
438 381 Insert Delete GetRandom O(1) - Duplicates allowed 34.1% Hard 0.15656906069153992 https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
439 507 Perfect Number 35.5% Easy 0.15656906069153992 https://leetcode.com/problems/perfect-number
440 844 Backspace String Compare 46.4% Easy 0.15656906069153992 https://leetcode.com/problems/backspace-string-compare
441 450 Delete Node in a BST 43.1% Medium 0.15561959910053247 https://leetcode.com/problems/delete-node-in-a-bst
442 257 Binary Tree Paths 51.5% Easy 0.15546387765221875 https://leetcode.com/problems/binary-tree-paths
443 335 Self Crossing 28.0% Hard 0.15535044001916237 https://leetcode.com/problems/self-crossing
444 351 Android Unlock Patterns 48.4% Medium 0.15521621002929656 https://leetcode.com/problems/android-unlock-patterns
445 1008 Construct Binary Search Tree from Preorder Traversal 78.4% Medium 0.15488164972391183 https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal
446 847 Shortest Path Visiting All Nodes 52.0% Hard 0.1541506798272583 https://leetcode.com/problems/shortest-path-visiting-all-nodes
447 686 Repeated String Match 32.3% Easy 0.1506602748874898 https://leetcode.com/problems/repeated-string-match
448 1242 Web Crawler Multithreaded 45.9% Medium 0.14953173397096375 https://leetcode.com/problems/web-crawler-multithreaded
449 406 Queue Reconstruction by Height 66.9% Medium 0.14940738524724317 https://leetcode.com/problems/queue-reconstruction-by-height
450 344 Reverse String 68.5% Easy 0.14882646558712123 https://leetcode.com/problems/reverse-string
451 541 Reverse String II 48.4% Easy 0.14881831452142824 https://leetcode.com/problems/reverse-string-ii
452 82 Remove Duplicates from Sorted List II 36.8% Medium 0.1483524778541147 https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
453 61 Rotate List 30.0% Medium 0.1480759782807871 https://leetcode.com/problems/rotate-list
454 849 Maximize Distance to Closest Person 42.6% Easy 0.14723779073708934 https://leetcode.com/problems/maximize-distance-to-closest-person
455 241 Different Ways to Add Parentheses 55.2% Medium 0.14691814457724592 https://leetcode.com/problems/different-ways-to-add-parentheses
456 104 Maximum Depth of Binary Tree 66.0% Easy 0.14586085041092384 https://leetcode.com/problems/maximum-depth-of-binary-tree
457 852 Peak Index in a Mountain Array 71.6% Easy 0.1445812288111076 https://leetcode.com/problems/peak-index-in-a-mountain-array
458 47 Permutations II 46.4% Medium 0.14455786186832048 https://leetcode.com/problems/permutations-ii
459 310 Minimum Height Trees 32.3% Medium 0.143926096421159 https://leetcode.com/problems/minimum-height-trees
460 395 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
461 183 Customers Who Never Order 53.4% Easy 0.14230985257093545 https://leetcode.com/problems/customers-who-never-order
462 919 Complete Binary Tree Inserter 57.3% Medium 0.14008879317068168 https://leetcode.com/problems/complete-binary-tree-inserter
463 731 My Calendar II 49.1% Medium 0.13976194237515868 https://leetcode.com/problems/my-calendar-ii
464 9 Palindrome Number 48.4% Easy 0.13896461684712066 https://leetcode.com/problems/palindrome-number
465 354 Russian Doll Envelopes 35.6% Hard 0.13850969523609932 https://leetcode.com/problems/russian-doll-envelopes
466 771 Jewels and Stones 86.4% Easy 0.13806778839055484 https://leetcode.com/problems/jewels-and-stones
467 1005 Maximize Sum Of Array After K Negations 51.3% Easy 0.13804422079620546 https://leetcode.com/problems/maximize-sum-of-array-after-k-negations
468 702 Search in a Sorted Array of Unknown Size 66.9% Medium 0.13783247452391326 https://leetcode.com/problems/search-in-a-sorted-array-of-unknown-size
469 250 Count Univalue Subtrees 52.0% Medium 0.13767409129953323 https://leetcode.com/problems/count-univalue-subtrees
470 299 Bulls and Cows 42.4% Easy 0.1373584160478243 https://leetcode.com/problems/bulls-and-cows
471 1161 Maximum Level Sum of a Binary Tree 72.2% Medium 0.13727657783562877 https://leetcode.com/problems/maximum-level-sum-of-a-binary-tree
472 427 Construct Quad Tree 61.4% Medium 0.13580154115906176 https://leetcode.com/problems/construct-quad-tree
473 1405 Longest Happy String 49.0% Medium 0.1343297958605471 https://leetcode.com/problems/longest-happy-string
474 732 My Calendar III 60.0% Hard 0.13397932096347895 https://leetcode.com/problems/my-calendar-iii
475 938 Range Sum of BST 81.3% Easy 0.13320152292006351 https://leetcode.com/problems/range-sum-of-bst
476 305 Number of Islands II 40.1% Hard 0.1304306149462744 https://leetcode.com/problems/number-of-islands-ii
477 108 Convert Sorted Array to Binary Search Tree 57.9% Easy 0.13035872370331572 https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
478 1117 Building H2O 52.6% Medium 0.12796988096337653 https://leetcode.com/problems/building-h2o
479 567 Permutation in String 44.4% Medium 0.1271102185315222 https://leetcode.com/problems/permutation-in-string
480 559 Maximum Depth of N-ary Tree 68.7% Easy 0.126784545822395 https://leetcode.com/problems/maximum-depth-of-n-ary-tree
481 1059 All Paths from Source Lead to Destination 44.7% Medium 0.12675170563914387 https://leetcode.com/problems/all-paths-from-source-lead-to-destination
482 359 Logger Rate Limiter 70.8% Easy 0.1248502028794759 https://leetcode.com/problems/logger-rate-limiter
483 106 Construct Binary Tree from Inorder and Postorder Traversal 47.2% Medium 0.12381146988063069 https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
484 873 Length of Longest Fibonacci Subsequence 48.0% Medium 0.12378418901663191 https://leetcode.com/problems/length-of-longest-fibonacci-subsequence
485 741 Cherry Pickup 33.9% Hard 0.12293768624504794 https://leetcode.com/problems/cherry-pickup
486 1086 High Five 79.7% Easy 0.12219606573898939 https://leetcode.com/problems/high-five
487 222 Count Complete Tree Nodes 46.8% Medium 0.119584908524332 https://leetcode.com/problems/count-complete-tree-nodes
488 1026 Maximum Difference Between Node and Ancestor 66.0% Medium 0.11947365313429092 https://leetcode.com/problems/maximum-difference-between-node-and-ancestor
489 839 Similar String Groups 38.6% Hard 0.11934675763256619 https://leetcode.com/problems/similar-string-groups
490 304 Range Sum Query 2D - Immutable 38.6% Medium 0.11875551458160917 https://leetcode.com/problems/range-sum-query-2d-immutable
491 175 Combine Two Tables 60.8% Easy 0.11655892700886014 https://leetcode.com/problems/combine-two-tables
492 368 Largest Divisible Subset 38.0% Medium 0.11624101530456815 https://leetcode.com/problems/largest-divisible-subset
493 160 Intersection of Two Linked Lists 40.6% Easy 0.11585676607984101 https://leetcode.com/problems/intersection-of-two-linked-lists
494 435 Non-overlapping Intervals 42.9% Medium 0.1158164666843426 https://leetcode.com/problems/non-overlapping-intervals
495 281 Zigzag Iterator 58.4% Medium 0.11506932978478719 https://leetcode.com/problems/zigzag-iterator
496 1375 Bulb Switcher III 62.6% Medium 0.11506932978478719 https://leetcode.com/problems/bulb-switcher-iii
497 515 Find Largest Value in Each Tree Row 61.1% Medium 0.11375888535665801 https://leetcode.com/problems/find-largest-value-in-each-tree-row
498 339 Nested List Weight Sum 74.0% Easy 0.11351649636962678 https://leetcode.com/problems/nested-list-weight-sum
499 452 Minimum Number of Arrows to Burst Balloons 49.6% Medium 0.11303480731768517 https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons
500 742 Closest Leaf in a Binary Tree 43.6% Medium 0.11060987154397002 https://leetcode.com/problems/closest-leaf-in-a-binary-tree
501 174 Dungeon Game 32.3% Hard 0.11053338064061342 https://leetcode.com/problems/dungeon-game
502 382 Linked List Random Node 52.1% Medium 0.11013564249600598 https://leetcode.com/problems/linked-list-random-node
503 924 Minimize Malware Spread 42.0% Hard 0.10821358464023274 https://leetcode.com/problems/minimize-malware-spread
504 321 Create Maximum Number 27.0% Hard 0.10821358464023274 https://leetcode.com/problems/create-maximum-number
505 889 Construct Binary Tree from Preorder and Postorder Traversal 66.2% Medium 0.10711776476069794 https://leetcode.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal
506 115 Distinct Subsequences 38.3% Hard 0.10683933709559944 https://leetcode.com/problems/distinct-subsequences
507 966 Vowel Spellchecker 47.2% Medium 0.10676797542570607 https://leetcode.com/problems/vowel-spellchecker
508 1153 String Transforms Into Another String 35.8% Hard 0.10623186692973738 https://leetcode.com/problems/string-transforms-into-another-string
509 267 Palindrome Permutation II 36.4% Medium 0.10345133738802471 https://leetcode.com/problems/palindrome-permutation-ii
510 486 Predict the Winner 47.9% Medium 0.10306596722039207 https://leetcode.com/problems/predict-the-winner
511 1013 Partition Array Into Three Parts With Equal Sum 51.8% Easy 0.10294796925244239 https://leetcode.com/problems/partition-array-into-three-parts-with-equal-sum
512 393 UTF-8 Validation 37.5% Medium 0.10212949507637983 https://leetcode.com/problems/utf-8-validation
513 523 Continuous Subarray Sum 24.6% Medium 0.1016388887348317 https://leetcode.com/problems/continuous-subarray-sum
514 1162 As Far from Land as Possible 43.5% Medium 0.09876441467241241 https://leetcode.com/problems/as-far-from-land-as-possible
515 1023 Camelcase Matching 57.0% Medium 0.09860197680453955 https://leetcode.com/problems/camelcase-matching
516 862 Shortest Subarray with Sum at Least K 24.6% Hard 0.09793753498670578 https://leetcode.com/problems/shortest-subarray-with-sum-at-least-k
517 951 Flip Equivalent Binary Trees 65.8% Medium 0.09745990610645301 https://leetcode.com/problems/flip-equivalent-binary-trees
518 1202 Smallest String With Swaps 46.5% Medium 0.09740053011838201 https://leetcode.com/problems/smallest-string-with-swaps
519 100 Same Tree 53.4% Easy 0.09694519966241283 https://leetcode.com/problems/same-tree
520 390 Elimination Game 44.5% Medium 0.09576690509200843 https://leetcode.com/problems/elimination-game
521 280 Wiggle Sort 63.8% Medium 0.09561417737468547 https://leetcode.com/problems/wiggle-sort
522 807 Max Increase to Keep City Skyline 83.7% Medium 0.09510858722224913 https://leetcode.com/problems/max-increase-to-keep-city-skyline
523 132 Palindrome Partitioning II 30.2% Hard 0.0943539685775445 https://leetcode.com/problems/palindrome-partitioning-ii
524 720 Longest Word in Dictionary 48.2% Easy 0.09362342046209744 https://leetcode.com/problems/longest-word-in-dictionary
525 826 Most Profit Assigning Work 38.5% Medium 0.09287412500644375 https://leetcode.com/problems/most-profit-assigning-work
526 38 Count and Say 44.6% Easy 0.09192820125669567 https://leetcode.com/problems/count-and-say
527 447 Number of Boomerangs 51.8% Easy 0.09159716909540325 https://leetcode.com/problems/number-of-boomerangs
528 198 House Robber 42.0% Easy 0.08994823666293948 https://leetcode.com/problems/house-robber
529 328 Odd Even Linked List 55.7% Medium 0.08983684638843294 https://leetcode.com/problems/odd-even-linked-list
530 358 Rearrange String k Distance Apart 34.9% Hard 0.08894748601649616 https://leetcode.com/problems/rearrange-string-k-distance-apart
531 995 Minimum Number of K Consecutive Bit Flips 46.8% Hard 0.08894748601649616 https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips
532 65 Valid Number 15.3% Hard 0.08845542056186342 https://leetcode.com/problems/valid-number
533 145 Binary Tree Postorder Traversal 55.0% Hard 0.08837759395949414 https://leetcode.com/problems/binary-tree-postorder-traversal
534 549 Binary Tree Longest Consecutive Sequence II 47.0% Medium 0.08816278759467164 https://leetcode.com/problems/binary-tree-longest-consecutive-sequence-ii
535 433 Minimum Genetic Mutation 41.8% Medium 0.08701137698962977 https://leetcode.com/problems/minimum-genetic-mutation
536 1247 Minimum Swaps to Make Strings Equal 60.1% Medium 0.08626034428440695 https://leetcode.com/problems/minimum-swaps-to-make-strings-equal
537 942 DI String Match 72.6% Easy 0.08495672247596549 https://leetcode.com/problems/di-string-match
538 916 Word Subsets 47.8% Medium 0.08479653666007693 https://leetcode.com/problems/word-subsets
539 582 Kill Process 60.8% Medium 0.08355588569097351 https://leetcode.com/problems/kill-process
540 1245 Tree Diameter 60.1% Medium 0.08338160893905106 https://leetcode.com/problems/tree-diameter
541 905 Sort Array By Parity 74.1% Easy 0.08328510247304294 https://leetcode.com/problems/sort-array-by-parity
542 841 Keys and Rooms 64.3% Medium 0.08307836859709818 https://leetcode.com/problems/keys-and-rooms
543 871 Minimum Number of Refueling Stops 31.4% Hard 0.08252102368800351 https://leetcode.com/problems/minimum-number-of-refueling-stops
544 654 Maximum Binary Tree 79.9% Medium 0.08000266362507777 https://leetcode.com/problems/maximum-binary-tree
545 884 Uncommon Words from Two Sentences 63.3% Easy 0.07990051073053109 https://leetcode.com/problems/uncommon-words-from-two-sentences
546 1249 Minimum Remove to Make Valid Parentheses 62.5% Medium 0.07986504044378952 https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
547 118 Pascal's Triangle 52.5% Easy 0.07970401164997687 https://leetcode.com/problems/pascals-triangle
548 60 Permutation Sequence 38.4% Hard 0.07948571541724253 https://leetcode.com/problems/permutation-sequence
549 875 Koko Eating Bananas 52.1% Medium 0.07919704166119315 https://leetcode.com/problems/koko-eating-bananas
550 1047 Remove All Adjacent Duplicates In String 68.6% Easy 0.0789551324793932 https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string
551 784 Letter Case Permutation 64.6% Medium 0.0787033338274549 https://leetcode.com/problems/letter-case-permutation
552 180 Consecutive Numbers 39.7% Medium 0.07851014032375832 https://leetcode.com/problems/consecutive-numbers
553 1254 Number of Closed Islands 60.5% Medium 0.07796154146971186 https://leetcode.com/problems/number-of-closed-islands
554 904 Fruit Into Baskets 42.5% Medium 0.07767124189113186 https://leetcode.com/problems/fruit-into-baskets
555 125 Valid Palindrome 36.7% Easy 0.07766984472754161 https://leetcode.com/problems/valid-palindrome
556 977 Squares of a Sorted Array 72.1% Easy 0.07598590697792203 https://leetcode.com/problems/squares-of-a-sorted-array
557 468 Validate IP Address 24.1% Medium 0.07598590697792203 https://leetcode.com/problems/validate-ip-address
558 765 Couples Holding Hands 54.3% Hard 0.07579383936953364 https://leetcode.com/problems/couples-holding-hands
559 217 Contains Duplicate 56.0% Easy 0.07423027387221347 https://leetcode.com/problems/contains-duplicate
560 974 Subarray Sums Divisible by K 48.9% Medium 0.07423027387221347 https://leetcode.com/problems/subarray-sums-divisible-by-k
561 184 Department Highest Salary 36.7% Medium 0.07292523990467245 https://leetcode.com/problems/department-highest-salary
562 539 Minimum Time Difference 51.5% Medium 0.07236429254889504 https://leetcode.com/problems/minimum-time-difference
563 860 Lemonade Change 51.6% Easy 0.07208884919207953 https://leetcode.com/problems/lemonade-change
564 290 Word Pattern 37.0% Easy 0.071651050037288 https://leetcode.com/problems/word-pattern
565 1082 Sales Analysis I 71.8% Easy 0.07145896398214495 https://leetcode.com/problems/sales-analysis-i
566 570 Managers with at Least 5 Direct Reports 66.0% Medium 0.07020425867324853 https://leetcode.com/problems/managers-with-at-least-5-direct-reports
567 1146 Snapshot Array 37.0% Medium 0.07017687679183775 https://leetcode.com/problems/snapshot-array
568 1114 Print in Order 65.7% Easy 0.0700675626167169 https://leetcode.com/problems/print-in-order
569 621 Task Scheduler 50.1% Medium 0.06851994643675606 https://leetcode.com/problems/task-scheduler
570 1081 Smallest Subsequence of Distinct Characters 50.4% Medium 0.06840272688440052 https://leetcode.com/problems/smallest-subsequence-of-distinct-characters
571 171 Excel Sheet Column Number 55.9% Easy 0.06799791190723256 https://leetcode.com/problems/excel-sheet-column-number
572 1060 Missing Element in Sorted Array 54.5% Medium 0.06796670413163937 https://leetcode.com/problems/missing-element-in-sorted-array
573 365 Water and Jug Problem 30.6% Medium 0.06736553182757604 https://leetcode.com/problems/water-and-jug-problem
574 584 Find Customer Referee 72.3% Easy 0.06592172080482424 https://leetcode.com/problems/find-customer-referee
575 671 Second Minimum Node In a Binary Tree 42.7% Easy 0.06538275926285174 https://leetcode.com/problems/second-minimum-node-in-a-binary-tree
576 1270 All People Report to the Given Manager 87.1% Medium 0.06412452816953867 https://leetcode.com/problems/all-people-report-to-the-given-manager
577 855 Exam Room 43.1% Medium 0.06371581438610768 https://leetcode.com/problems/exam-room
578 413 Arithmetic Slices 57.9% Medium 0.06286986221654821 https://leetcode.com/problems/arithmetic-slices
579 334 Increasing Triplet Subsequence 40.0% Medium 0.06274107505168265 https://leetcode.com/problems/increasing-triplet-subsequence
580 1299 Replace Elements with Greatest Element on Right Side 75.4% Easy 0.06197770027589752 https://leetcode.com/problems/replace-elements-with-greatest-element-on-right-side
581 801 Minimum Swaps To Make Sequences Increasing 38.9% Medium 0.06146327443046864 https://leetcode.com/problems/minimum-swaps-to-make-sequences-increasing
582 420 Strong Password Checker 14.0% Hard 0.061087691979838175 https://leetcode.com/problems/strong-password-checker
583 796 Rotate String 49.6% Easy 0.059778751425839334 https://leetcode.com/problems/rotate-string
584 931 Minimum Falling Path Sum 62.5% Medium 0.05914995982464103 https://leetcode.com/problems/minimum-falling-path-sum
585 475 Heaters 33.1% Easy 0.058155920157074034 https://leetcode.com/problems/heaters
586 52 N-Queens II 57.9% Hard 0.058155920157074034 https://leetcode.com/problems/n-queens-ii
587 783 Minimum Distance Between BST Nodes 52.6% Easy 0.05800594958851697 https://leetcode.com/problems/minimum-distance-between-bst-nodes
588 979 Distribute Coins in Binary Tree 68.9% Medium 0.05800594958851697 https://leetcode.com/problems/distribute-coins-in-binary-tree
589 1233 Remove Sub-Folders from the Filesystem 59.5% Medium 0.057076831135436705 https://leetcode.com/problems/remove-sub-folders-from-the-filesystem
590 586 Customer Placing the Largest Number of Orders 73.0% Easy 0.0568334747631659 https://leetcode.com/problems/customer-placing-the-largest-number-of-orders
591 421 Maximum XOR of Two Numbers in an Array 53.5% Medium 0.055569851154810765 https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array
592 404 Sum of Left Leaves 50.9% Easy 0.05478946358617918 https://leetcode.com/problems/sum-of-left-leaves
593 345 Reverse Vowels of a String 44.2% Easy 0.054658412537864055 https://leetcode.com/problems/reverse-vowels-of-a-string
594 557 Reverse Words in a String III 69.8% Easy 0.05383068775874275 https://leetcode.com/problems/reverse-words-in-a-string-iii
595 714 Best Time to Buy and Sell Stock with Transaction Fee 54.7% Medium 0.05377639678080413 https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee
596 719 Find K-th Smallest Pair Distance 31.5% Hard 0.05370417897186106 https://leetcode.com/problems/find-k-th-smallest-pair-distance
597 679 24 Game 46.4% Hard 0.05341723749698583 https://leetcode.com/problems/24-game
598 416 Partition Equal Subset Sum 43.7% Medium 0.05309102319682948 https://leetcode.com/problems/partition-equal-subset-sum
599 601 Human Traffic of Stadium 41.7% Hard 0.05223119222544569 https://leetcode.com/problems/human-traffic-of-stadium
600 687 Longest Univalue Path 36.2% Easy 0.05212529063213289 https://leetcode.com/problems/longest-univalue-path
601 791 Custom Sort String 65.7% Medium 0.05164658886216683 https://leetcode.com/problems/custom-sort-string
602 429 N-ary Tree Level Order Traversal 65.0% Medium 0.051616961836787136 https://leetcode.com/problems/n-ary-tree-level-order-traversal
603 66 Plus One 43.0% Easy 0.05095832569582088 https://leetcode.com/problems/plus-one
604 1339 Maximum Product of Splitted Binary Tree 37.2% Medium 0.05064373281875492 https://leetcode.com/problems/maximum-product-of-splitted-binary-tree
605 617 Merge Two Binary Trees 74.1% Easy 0.05055666138939678 https://leetcode.com/problems/merge-two-binary-trees
606 681 Next Closest Time 45.0% Medium 0.05045206096038863 https://leetcode.com/problems/next-closest-time
607 684 Redundant Connection 57.4% Medium 0.05020574670015159 https://leetcode.com/problems/redundant-connection
608 792 Number of Matching Subsequences 47.4% Medium 0.04976150955906385 https://leetcode.com/problems/number-of-matching-subsequences
609 77 Combinations 54.7% Medium 0.04928622947983693 https://leetcode.com/problems/combinations
610 67 Add Binary 45.2% Easy 0.049093096377302976 https://leetcode.com/problems/add-binary
611 1267 Count Servers that Communicate 57.9% Medium 0.04902942724031861 https://leetcode.com/problems/count-servers-that-communicate
612 725 Split Linked List in Parts 52.2% Medium 0.04603804920255727 https://leetcode.com/problems/split-linked-list-in-parts
613 1248 Count Number of Nice Subarrays 56.4% Medium 0.04593229889743518 https://leetcode.com/problems/count-number-of-nice-subarrays
614 856 Score of Parentheses 60.5% Medium 0.04567003683318837 https://leetcode.com/problems/score-of-parentheses
615 151 Reverse Words in a String 21.9% Medium 0.04549485717913582 https://leetcode.com/problems/reverse-words-in-a-string
616 1108 Defanging an IP Address 87.5% Easy 0.044971606629326595 https://leetcode.com/problems/defanging-an-ip-address
617 1382 Balance a Binary Search Tree 74.8% Medium 0.04480032475536626 https://leetcode.com/problems/balance-a-binary-search-tree
618 493 Reverse Pairs 25.2% Hard 0.043110123653728516 https://leetcode.com/problems/reverse-pairs
619 704 Binary Search 52.1% Easy 0.04172704422666836 https://leetcode.com/problems/binary-search
620 532 K-diff Pairs in an Array 31.6% Easy 0.041672696400568025 https://leetcode.com/problems/k-diff-pairs-in-an-array
621 590 N-ary Tree Postorder Traversal 72.1% Easy 0.040454954692313666 https://leetcode.com/problems/n-ary-tree-postorder-traversal
622 918 Maximum Sum Circular Subarray 33.7% Medium 0.04045040846284272 https://leetcode.com/problems/maximum-sum-circular-subarray
623 142 Linked List Cycle II 37.3% Medium 0.04034106216103786 https://leetcode.com/problems/linked-list-cycle-ii
624 107 Binary Tree Level Order Traversal II 53.5% Easy 0.03948712621281427 https://leetcode.com/problems/binary-tree-level-order-traversal-ii
625 1049 Last Stone Weight II 44.2% Medium 0.03902934390573525 https://leetcode.com/problems/last-stone-weight-ii
626 657 Robot Return to Origin 73.5% Easy 0.03896596853338373 https://leetcode.com/problems/robot-return-to-origin
627 231 Power of Two 43.7% Easy 0.0383924310382344 https://leetcode.com/problems/power-of-two
628 1110 Delete Nodes And Return Forest 67.0% Medium 0.03698038470938097 https://leetcode.com/problems/delete-nodes-and-return-forest
629 646 Maximum Length of Pair Chain 51.9% Medium 0.036870535808327706 https://leetcode.com/problems/maximum-length-of-pair-chain
630 626 Exchange Seats 62.3% Medium 0.03676884778708897 https://leetcode.com/problems/exchange-seats
631 376 Wiggle Subsequence 39.6% Medium 0.03666771919188123 https://leetcode.com/problems/wiggle-subsequence
632 673 Number of Longest Increasing Subsequence 35.7% Medium 0.036467121912812143 https://leetcode.com/problems/number-of-longest-increasing-subsequence
633 1029 Two City Scheduling 56.1% Easy 0.03633827343880724 https://leetcode.com/problems/two-city-scheduling
634 43 Multiply Strings 33.9% Medium 0.03608871558298825 https://leetcode.com/problems/multiply-strings
635 705 Design HashSet 64.3% Easy 0.03401688527825427 https://leetcode.com/problems/design-hashset
636 561 Array Partition I 72.0% Easy 0.033850542978687455 https://leetcode.com/problems/array-partition-i
637 912 Sort an Array 63.9% Medium 0.03218010960381167 https://leetcode.com/problems/sort-an-array
638 953 Verifying an Alien Dictionary 54.1% Easy 0.03117337947619734 https://leetcode.com/problems/verifying-an-alien-dictionary
639 814 Binary Tree Pruning 74.5% Medium 0.03113091859517317 https://leetcode.com/problems/binary-tree-pruning
640 1179 Reformat Department Table 80.6% Easy 0.030653741091002412 https://leetcode.com/problems/reformat-department-table
641 1027 Longest Arithmetic Sequence 53.4% Medium 0.03030534949532895 https://leetcode.com/problems/longest-arithmetic-sequence
642 319 Bulb Switcher 45.4% Medium 0.029852963149681156 https://leetcode.com/problems/bulb-switcher
643 501 Find Mode in Binary Search Tree 42.4% Easy 0.029808466297826082 https://leetcode.com/problems/find-mode-in-binary-search-tree
644 191 Number of 1 Bits 49.8% Easy 0.029560622742018188 https://leetcode.com/problems/number-of-1-bits
645 779 K-th Symbol in Grammar 37.2% Medium 0.029050699422092676 https://leetcode.com/problems/k-th-symbol-in-grammar
646 219 Contains Duplicate II 37.7% Easy 0.028500979167549973 https://leetcode.com/problems/contains-duplicate-ii
647 213 House Robber II 36.5% Medium 0.028250466285851712 https://leetcode.com/problems/house-robber-ii
648 811 Subdomain Visit Count 69.9% Easy 0.02772180293027194 https://leetcode.com/problems/subdomain-visit-count
649 311 Sparse Matrix Multiplication 61.9% Medium 0.027702602549335792 https://leetcode.com/problems/sparse-matrix-multiplication
650 249 Group Shifted Strings 55.1% Medium 0.0276069982440099 https://leetcode.com/problems/group-shifted-strings
651 119 Pascal's Triangle II 49.0% Easy 0.026565907037593445 https://leetcode.com/problems/pascals-triangle-ii
652 158 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
653 203 Remove Linked List Elements 38.6% Easy 0.025668142709851988 https://leetcode.com/problems/remove-linked-list-elements
654 1395 Count Number of Teams 82.0% Medium 0.025462865161248044 https://leetcode.com/problems/count-number-of-teams
655 752 Open the Lock 51.8% Medium 0.024586364440127736 https://leetcode.com/problems/open-the-lock
656 605 Can Place Flowers 31.6% Easy 0.02457126073050533 https://leetcode.com/problems/can-place-flowers
657 338 Counting Bits 69.5% Medium 0.024325523767440974 https://leetcode.com/problems/counting-bits
658 414 Third Maximum Number 30.5% Easy 0.023155137938555212 https://leetcode.com/problems/third-maximum-number
659 1160 Find Words That Can Be Formed by Characters 67.4% Easy 0.02262539951797868 https://leetcode.com/problems/find-words-that-can-be-formed-by-characters
660 216 Combination Sum III 56.6% Medium 0.02261260849011709 https://leetcode.com/problems/combination-sum-iii
661 746 Min Cost Climbing Stairs 50.3% Easy 0.021957456927373643 https://leetcode.com/problems/min-cost-climbing-stairs
662 958 Check Completeness of a Binary Tree 52.1% Medium 0.021763644636359686 https://leetcode.com/problems/check-completeness-of-a-binary-tree
663 1520 Maximum Number of Non-Overlapping Substrings 32.8% Hard 0.021485667755491482 https://leetcode.com/problems/maximum-number-of-non-overlapping-substrings
664 921 Minimum Add to Make Parentheses Valid 73.7% Medium 0.021425565169310254 https://leetcode.com/problems/minimum-add-to-make-parentheses-valid
665 459 Repeated Substring Pattern 42.2% Easy 0.021402636114384706 https://leetcode.com/problems/repeated-substring-pattern
666 485 Max Consecutive Ones 54.6% Easy 0.021092266245534258 https://leetcode.com/problems/max-consecutive-ones
667 377 Combination Sum IV 45.3% Medium 0.02087758502155521 https://leetcode.com/problems/combination-sum-iv
668 670 Maximum Swap 43.6% Medium 0.020844944430365928 https://leetcode.com/problems/maximum-swap
669 392 Is Subsequence 49.2% Easy 0.02033508842008217 https://leetcode.com/problems/is-subsequence
670 166 Fraction to Recurring Decimal 21.6% Medium 0.02015181543730795 https://leetcode.com/problems/fraction-to-recurring-decimal
671 1048 Longest String Chain 54.7% Medium 0.019361689049145963 https://leetcode.com/problems/longest-string-chain
672 669 Trim a Binary Search Tree 63.0% Easy 0.019139340210697423 https://leetcode.com/problems/trim-a-binary-search-tree
673 674 Longest Continuous Increasing Subsequence 45.9% Easy 0.01900294712561538 https://leetcode.com/problems/longest-continuous-increasing-subsequence
674 196 Delete Duplicate Emails 41.1% Easy 0.018735911057469818 https://leetcode.com/problems/delete-duplicate-emails
675 965 Univalued Binary Tree 67.7% Easy 0.018665964249802672 https://leetcode.com/problems/univalued-binary-tree
676 35 Search Insert Position 42.6% Easy 0.018459222797986813 https://leetcode.com/problems/search-insert-position
677 260 Single Number III 64.3% Medium 0.01811279141389457 https://leetcode.com/problems/single-number-iii
678 309 Best Time to Buy and Sell Stock with Cooldown 47.4% Medium 0.01767954966181075 https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown
679 383 Ransom Note 53.1% Easy 0.017621601349819518 https://leetcode.com/problems/ransom-note
680 872 Leaf-Similar Trees 64.5% Easy 0.01752125418714782 https://leetcode.com/problems/leaf-similar-trees
681 26 Remove Duplicates from Sorted Array 45.1% Easy 0.017426260234777304 https://leetcode.com/problems/remove-duplicates-from-sorted-array
682 1266 Minimum Time Visiting All Points 79.6% Easy 0.017354014693151613 https://leetcode.com/problems/minimum-time-visiting-all-points
683 876 Middle of the Linked List 68.4% Easy 0.01707497375257815 https://leetcode.com/problems/middle-of-the-linked-list
684 389 Find the Difference 55.3% Easy 0.016978336534417868 https://leetcode.com/problems/find-the-difference
685 95 Unique Binary Search Trees II 40.6% Medium 0.016856699181010838 https://leetcode.com/problems/unique-binary-search-trees-ii
686 1304 Find N Unique Integers Sum up to Zero 76.3% Easy 0.015892269319508656 https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
687 707 Design Linked List 24.5% Medium 0.015054857167065819 https://leetcode.com/problems/design-linked-list
688 367 Valid Perfect Square 41.7% Easy 0.014992784586141334 https://leetcode.com/problems/valid-perfect-square
689 80 Remove Duplicates from Sorted Array II 44.0% Medium 0.014815085785140639 https://leetcode.com/problems/remove-duplicates-from-sorted-array-ii
690 371 Sum of Two Integers 50.7% Medium 0.014064929467403538 https://leetcode.com/problems/sum-of-two-integers
691 724 Find Pivot Index 44.0% Easy 0.013850636933899008 https://leetcode.com/problems/find-pivot-index
692 144 Binary Tree Preorder Traversal 55.7% Medium 0.013667638728663807 https://leetcode.com/problems/binary-tree-preorder-traversal
693 303 Range Sum Query - Immutable 44.7% Easy 0.013240842236997532 https://leetcode.com/problems/range-sum-query-immutable
694 154 Find Minimum in Rotated Sorted Array II 41.6% Hard 0.013222109274363887 https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
695 665 Non-decreasing Array 19.5% Easy 0.013016779950191773 https://leetcode.com/problems/non-decreasing-array
696 172 Factorial Trailing Zeroes 37.8% Easy 0.012326812480658571 https://leetcode.com/problems/factorial-trailing-zeroes
697 237 Delete Node in a Linked List 63.8% Easy 0.01153858955649377 https://leetcode.com/problems/delete-node-in-a-linked-list
698 1051 Height Checker 71.1% Easy 0.011468015591641189 https://leetcode.com/problems/height-checker
699 797 All Paths From Source to Target 77.9% Medium 0.009845021678804893 https://leetcode.com/problems/all-paths-from-source-to-target
700 1221 Split a String in Balanced Strings 83.3% Easy 0.008775835172724969 https://leetcode.com/problems/split-a-string-in-balanced-strings
701 461 Hamming Distance 72.8% Easy 0.00833685528906183 https://leetcode.com/problems/hamming-distance
702 1344 Angle Between Hands of a Clock 61.4% Medium 0.007795031188053973 https://leetcode.com/problems/angle-between-hands-of-a-clock
703 1365 How Many Numbers Are Smaller Than the Current Number 85.6% Easy 0.007109877088701047 https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number
704 111 Minimum Depth of Binary Tree 37.4% Easy 0.0066203485760693214 https://leetcode.com/problems/minimum-depth-of-binary-tree
705 1431 Kids With the Greatest Number of Candies 88.9% Easy 0.005927699633275225 https://leetcode.com/problems/kids-with-the-greatest-number-of-candies
706 278 First Bad Version 35.7% Easy 0.005391575265790431 https://leetcode.com/problems/first-bad-version
707 27 Remove Element 48.2% Easy 0.0035524016043678225 https://leetcode.com/problems/remove-element
708 190 Reverse Bits 39.8% Easy 0.0018316700789167337 https://leetcode.com/problems/reverse-bits