mirrors/LeetCode-Questions-CompanyWise
1
0
Fork 0
mirror of https://github.com/McSmog/LeetCode-Questions-CompanyWise.git synced 2026-04-19 16:56:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

Chore: Add headers to all the files (#54)

Browse Source 
## Description
- Add headers to all the CSV files

## Script used
```py
import csv
import os

# Set the path of the folder containing the CSV files
folder_path = "./LeetCode-Questions-CompanyWise"
headers = [
    "ID",
    "Title",
    "Acceptance",
    "Difficulty",
    "Frequency",
    "Leetcode Question Link",
]

# Loop through all the CSV files in the folder
for file_name in os.listdir(folder_path):
    if file_name.endswith(".csv"):
        # Read the CSV file into a list of rows
        file_path = os.path.join(folder_path, file_name)
        with open(file_path, "r") as f:
            reader = csv.reader(f)
            rows = list(reader)

        has_headers = False
        if len(rows) > 0 and rows[0] == headers:
            has_headers = True

        if not has_headers:
            rows.insert(0, headers)

            # Write the list of rows back to the CSV file
            with open(file_path, "w", newline="") as f:
                writer = csv.writer(f)
                writer.writerows(rows)

```
This commit is contained in:
Krishna Kumar Dey
2023-04-01 11:07:49 +05:30
committed by GitHub
parent 0aeadbd612
commit fb5f78b55e
534 changed files with 20291 additions and 19757 deletions
Download Patch File Download Diff File Expand all files Collapse all files

939
microsoft_2year.csv
View File

@@ -1,469 +1,470 @@
146,LRU Cache,33.2%,Medium,1.9068942851168293, https://leetcode.com/problems/lru-cache
138,Copy List with Random Pointer,36.4%,Medium,1.839296369281829, https://leetcode.com/problems/copy-list-with-random-pointer
348,Design Tic-Tac-Toe,54.3%,Medium,1.7622511751629417, https://leetcode.com/problems/design-tic-tac-toe
1239,Maximum Length of a Concatenated String with Unique Characters,47.8%,Medium,1.6852059810440545, https://leetcode.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters
273,Integer to English Words,27.1%,Hard,1.6081607869251673, https://leetcode.com/problems/integer-to-english-words
1,Two Sum,45.6%,Easy,1.5833715306321339, https://leetcode.com/problems/two-sum
794,Valid Tic-Tac-Toe State,32.6%,Medium,1.549767336843805, https://leetcode.com/problems/valid-tic-tac-toe-state
54,Spiral Matrix,34.1%,Medium,1.5277031487259203, https://leetcode.com/problems/spiral-matrix
165,Compare Version Numbers,27.4%,Medium,1.450657954607033, https://leetcode.com/problems/compare-version-numbers
428,Serialize and Deserialize N-ary Tree,59.4%,Hard,1.39256021863239, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
445,Add Two Numbers II,54.5%,Medium,1.3627396299910237, https://leetcode.com/problems/add-two-numbers-ii
42,Trapping Rain Water,48.9%,Hard,1.2856944358721365, https://leetcode.com/problems/trapping-rain-water
200,Number of Islands,46.8%,Medium,1.282195127879335, https://leetcode.com/problems/number-of-islands
253,Meeting Rooms II,45.7%,Medium,1.2072729703046439, https://leetcode.com/problems/meeting-rooms-ii
5,Longest Palindromic Substring,29.5%,Medium,1.2049820501287227, https://leetcode.com/problems/longest-palindromic-substring
186,Reverse Words in a String II,43.3%,Medium,1.161526114078679, https://leetcode.com/problems/reverse-words-in-a-string-ii
297,Serialize and Deserialize Binary Tree,47.5%,Hard,1.155330001457385, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
545,Boundary of Binary Tree,38.9%,Medium,1.1251501588677701, https://leetcode.com/problems/boundary-of-binary-tree
443,String Compression,41.3%,Easy,1.048104964748883, https://leetcode.com/problems/string-compression
23,Merge k Sorted Lists,40.2%,Hard,1.0261554494754497, https://leetcode.com/problems/merge-k-sorted-lists
25,Reverse Nodes in k-Group,42.1%,Hard,1.0060099268822469, https://leetcode.com/problems/reverse-nodes-in-k-group
402,Remove K Digits,28.4%,Medium,0.993503693908454, https://leetcode.com/problems/remove-k-digits
88,Merge Sorted Array,39.4%,Easy,0.9801695539990253, https://leetcode.com/problems/merge-sorted-array
98,Validate Binary Search Tree,27.8%,Medium,0.9662594465630313, https://leetcode.com/problems/validate-binary-search-tree
151,Reverse Words in a String,21.9%,Medium,0.946093007208271, https://leetcode.com/problems/reverse-words-in-a-string
557,Reverse Words in a String III,69.8%,Easy,0.9259911966439747, https://leetcode.com/problems/reverse-words-in-a-string-iii
240,Search a 2D Matrix II,43.2%,Medium,0.9130504736307608, https://leetcode.com/problems/search-a-2d-matrix-ii
2,Add Two Numbers,33.9%,Medium,0.9045266903158492, https://leetcode.com/problems/add-two-numbers
218,The Skyline Problem,34.6%,Hard,0.8967461358011848, https://leetcode.com/problems/the-skyline-problem
285,Inorder Successor in BST,40.4%,Medium,0.8942541034317931, https://leetcode.com/problems/inorder-successor-in-bst
103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.8911932153659692, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
22,Generate Parentheses,62.7%,Medium,0.8821480129478173, https://leetcode.com/problems/generate-parentheses
53,Maximum Subarray,46.5%,Easy,0.8799062141955307, https://leetcode.com/problems/maximum-subarray
8,String to Integer (atoi),15.4%,Medium,0.8636115676315972, https://leetcode.com/problems/string-to-integer-atoi
93,Restore IP Addresses,35.6%,Medium,0.8230542487772108, https://leetcode.com/problems/restore-ip-addresses
722,Remove Comments,34.6%,Medium,0.8109302162163288, https://leetcode.com/problems/remove-comments
206,Reverse Linked List,62.5%,Easy,0.8061359210393346, https://leetcode.com/problems/reverse-linked-list
236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.7928508522150108, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
212,Word Search II,34.9%,Hard,0.7871523471289301, https://leetcode.com/problems/word-search-ii
21,Merge Two Sorted Lists,53.5%,Easy,0.7621927307594413, https://leetcode.com/problems/merge-two-sorted-lists
679,24 Game,46.4%,Hard,0.7472144018302211, https://leetcode.com/problems/24-game
33,Search in Rotated Sorted Array,34.5%,Medium,0.7453822830055025, https://leetcode.com/problems/search-in-rotated-sorted-array
48,Rotate Image,56.7%,Medium,0.7295148247308202, https://leetcode.com/problems/rotate-image
450,Delete Node in a BST,43.1%,Medium,0.7190027298101302, https://leetcode.com/problems/delete-node-in-a-bst
75,Sort Colors,47.3%,Medium,0.7189622372679672, https://leetcode.com/problems/sort-colors
10,Regular Expression Matching,26.8%,Hard,0.7122566110595128, https://leetcode.com/problems/regular-expression-matching
224,Basic Calculator,36.8%,Hard,0.712035465080151, https://leetcode.com/problems/basic-calculator
232,Implement Queue using Stacks,49.6%,Easy,0.703271001559588, https://leetcode.com/problems/implement-queue-using-stacks
99,Recover Binary Search Tree,39.7%,Hard,0.686991511115002, https://leetcode.com/problems/recover-binary-search-tree
24,Swap Nodes in Pairs,50.4%,Medium,0.6806651721326015, https://leetcode.com/problems/swap-nodes-in-pairs
116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.679990315148951, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
1246,Palindrome Removal,46.0%,Hard,0.6794349186959634, https://leetcode.com/problems/palindrome-removal
419,Battleships in a Board,70.0%,Medium,0.6477023182379538, https://leetcode.com/problems/battleships-in-a-board
295,Find Median from Data Stream,44.3%,Hard,0.6439331977785325, https://leetcode.com/problems/find-median-from-data-stream
636,Exclusive Time of Functions,51.9%,Medium,0.6405393293662573, https://leetcode.com/problems/exclusive-time-of-functions
121,Best Time to Buy and Sell Stock,50.5%,Easy,0.6384433764330154, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
44,Wildcard Matching,24.7%,Hard,0.6328997728601021, https://leetcode.com/problems/wildcard-matching
134,Gas Station,38.5%,Medium,0.6268138366620403, https://leetcode.com/problems/gas-station
535,Encode and Decode TinyURL,79.9%,Medium,0.6249578446726771, https://leetcode.com/problems/encode-and-decode-tinyurl
706,Design HashMap,61.3%,Easy,0.6240595717322002, https://leetcode.com/problems/design-hashmap
4,Median of Two Sorted Arrays,29.6%,Hard,0.5997207275769595, https://leetcode.com/problems/median-of-two-sorted-arrays
105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.5948482012213536, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
17,Letter Combinations of a Phone Number,46.8%,Medium,0.5900144916124695, https://leetcode.com/problems/letter-combinations-of-a-phone-number
772,Basic Calculator III,41.3%,Hard,0.5881497072005337, https://leetcode.com/problems/basic-calculator-iii
564,Find the Closest Palindrome,19.7%,Hard,0.581921545449721, https://leetcode.com/problems/find-the-closest-palindrome
20,Valid Parentheses,39.0%,Easy,0.581252372040232, https://leetcode.com/problems/valid-parentheses
155,Min Stack,44.5%,Easy,0.5560563077098069, https://leetcode.com/problems/min-stack
36,Valid Sudoku,48.7%,Medium,0.5472335928516195, https://leetcode.com/problems/valid-sudoku
1156,Swap For Longest Repeated Character Substring,49.0%,Medium,0.538996500732687, https://leetcode.com/problems/swap-for-longest-repeated-character-substring
468,Validate IP Address,24.1%,Medium,0.5368011101692514, https://leetcode.com/problems/validate-ip-address
340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.5227814976619829, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
37,Sudoku Solver,43.6%,Hard,0.5078801135362339, https://leetcode.com/problems/sudoku-solver
470,Implement Rand10() Using Rand7(),46.3%,Medium,0.5035263212843791, https://leetcode.com/problems/implement-rand10-using-rand7
49,Group Anagrams,56.9%,Medium,0.49720300327737044, https://leetcode.com/problems/group-anagrams
3,Longest Substring Without Repeating Characters,30.4%,Medium,0.48411466774638867, https://leetcode.com/problems/longest-substring-without-repeating-characters
102,Binary Tree Level Order Traversal,54.6%,Medium,0.4800243438074503, https://leetcode.com/problems/binary-tree-level-order-traversal
836,Rectangle Overlap,48.6%,Easy,0.47817067841927885, https://leetcode.com/problems/rectangle-overlap
277,Find the Celebrity,41.8%,Medium,0.47648222098694015, https://leetcode.com/problems/find-the-celebrity
46,Permutations,63.5%,Medium,0.4752581007118412, https://leetcode.com/problems/permutations
510,Inorder Successor in BST II,58.0%,Medium,0.47332739722482975, https://leetcode.com/problems/inorder-successor-in-bst-ii
74,Search a 2D Matrix,36.5%,Medium,0.4704141503200286, https://leetcode.com/problems/search-a-2d-matrix
127,Word Ladder,29.6%,Medium,0.46981620538612967, https://leetcode.com/problems/word-ladder
56,Merge Intervals,39.3%,Medium,0.46243023294178986, https://leetcode.com/problems/merge-intervals
449,Serialize and Deserialize BST,52.0%,Medium,0.44971110343394827, https://leetcode.com/problems/serialize-and-deserialize-bst
85,Maximal Rectangle,37.7%,Hard,0.4492357711634929, https://leetcode.com/problems/maximal-rectangle
529,Minesweeper,59.1%,Medium,0.4410244101446512, https://leetcode.com/problems/minesweeper
642,Design Search Autocomplete System,44.7%,Hard,0.43349242036282026, https://leetcode.com/problems/design-search-autocomplete-system
168,Excel Sheet Column Title,31.1%,Easy,0.4248158924206701, https://leetcode.com/problems/excel-sheet-column-title
41,First Missing Positive,32.0%,Hard,0.4193575471092812, https://leetcode.com/problems/first-missing-positive
238,Product of Array Except Self,60.1%,Medium,0.4192516867747499, https://leetcode.com/problems/product-of-array-except-self
362,Design Hit Counter,63.7%,Medium,0.41908233979999515, https://leetcode.com/problems/design-hit-counter
460,LFU Cache,34.2%,Hard,0.40755934971127916, https://leetcode.com/problems/lfu-cache
225,Implement Stack using Queues,45.1%,Easy,0.4064316252700455, https://leetcode.com/problems/implement-stack-using-queues
124,Binary Tree Maximum Path Sum,34.3%,Hard,0.40588105265488916, https://leetcode.com/problems/binary-tree-maximum-path-sum
13,Roman to Integer,55.7%,Easy,0.40185220095239377, https://leetcode.com/problems/roman-to-integer
143,Reorder List,37.1%,Medium,0.40020962155920403, https://leetcode.com/problems/reorder-list
160,Intersection of Two Linked Lists,40.6%,Easy,0.39967513196999754, https://leetcode.com/problems/intersection-of-two-linked-lists
322,Coin Change,35.5%,Medium,0.39783122540141286, https://leetcode.com/problems/coin-change
767,Reorganize String,48.7%,Medium,0.3933437475758196, https://leetcode.com/problems/reorganize-string
173,Binary Search Tree Iterator,56.6%,Medium,0.3917309866483655, https://leetcode.com/problems/binary-search-tree-iterator
688,Knight Probability in Chessboard,48.9%,Medium,0.38977851194046487, https://leetcode.com/problems/knight-probability-in-chessboard
622,Design Circular Queue,43.8%,Medium,0.3784130987696834, https://leetcode.com/problems/design-circular-queue
73,Set Matrix Zeroes,43.1%,Medium,0.37193974948462943, https://leetcode.com/problems/set-matrix-zeroes
43,Multiply Strings,33.9%,Medium,0.3716744273234442, https://leetcode.com/problems/multiply-strings
239,Sliding Window Maximum,43.0%,Hard,0.3688526742838154, https://leetcode.com/problems/sliding-window-maximum
15,3Sum,26.8%,Medium,0.35870919705248033, https://leetcode.com/problems/3sum
179,Largest Number,28.8%,Medium,0.35230239652612316, https://leetcode.com/problems/largest-number
417,Pacific Atlantic Water Flow,41.1%,Medium,0.3513978868378886, https://leetcode.com/problems/pacific-atlantic-water-flow
1185,Day of the Week,64.0%,Easy,0.34898886906784754, https://leetcode.com/problems/day-of-the-week
380,Insert Delete GetRandom O(1),47.5%,Medium,0.348524374235988, https://leetcode.com/problems/insert-delete-getrandom-o1
935,Knight Dialer,45.2%,Medium,0.3429447511268304, https://leetcode.com/problems/knight-dialer
805,Split Array With Same Average,26.4%,Hard,0.3416302106614813, https://leetcode.com/problems/split-array-with-same-average
1044,Longest Duplicate Substring,31.9%,Hard,0.3378493311698002, https://leetcode.com/problems/longest-duplicate-substring
1236,Web Crawler,64.3%,Medium,0.33647223662121295, https://leetcode.com/problems/web-crawler
287,Find the Duplicate Number,55.5%,Medium,0.33544722224040363, https://leetcode.com/problems/find-the-duplicate-number
431,Encode N-ary Tree to Binary Tree,70.8%,Hard,0.3308542443169896, https://leetcode.com/problems/encode-n-ary-tree-to-binary-tree
269,Alien Dictionary,33.3%,Hard,0.32755550704550385, https://leetcode.com/problems/alien-dictionary
31,Next Permutation,32.6%,Medium,0.32533895514548333, https://leetcode.com/problems/next-permutation
227,Basic Calculator II,36.9%,Medium,0.320210254787433, https://leetcode.com/problems/basic-calculator-ii
92,Reverse Linked List II,38.8%,Medium,0.3201675275962693, https://leetcode.com/problems/reverse-linked-list-ii
79,Word Search,35.6%,Medium,0.31836284819083, https://leetcode.com/problems/word-search
234,Palindrome Linked List,39.3%,Easy,0.3133910057995738, https://leetcode.com/problems/palindrome-linked-list
346,Moving Average from Data Stream,70.9%,Easy,0.3081922191359908, https://leetcode.com/problems/moving-average-from-data-stream
76,Minimum Window Substring,34.6%,Hard,0.3013019791670516, https://leetcode.com/problems/minimum-window-substring
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
204,Count Primes,31.5%,Easy,0.29844719891360566, https://leetcode.com/problems/count-primes
117,Populating Next Right Pointers in Each Node II,39.1%,Medium,0.297513312140522, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
828,Count Unique Characters of All Substrings of a Given String,45.2%,Hard,0.2972515234679316, https://leetcode.com/problems/count-unique-characters-of-all-substrings-of-a-given-string
133,Clone Graph,34.8%,Medium,0.29652763874414756, https://leetcode.com/problems/clone-graph
68,Text Justification,27.7%,Hard,0.29518712556880805, https://leetcode.com/problems/text-justification
148,Sort List,42.3%,Medium,0.29330006475600423, https://leetcode.com/problems/sort-list
94,Binary Tree Inorder Traversal,63.3%,Medium,0.28973843425663137, https://leetcode.com/problems/binary-tree-inorder-traversal
128,Longest Consecutive Sequence,45.1%,Hard,0.28318230693481783, https://leetcode.com/problems/longest-consecutive-sequence
59,Spiral Matrix II,53.9%,Medium,0.2793907308110021, https://leetcode.com/problems/spiral-matrix-ii
141,Linked List Cycle,41.1%,Easy,0.27449284203401514, https://leetcode.com/problems/linked-list-cycle
528,Random Pick with Weight,43.9%,Medium,0.26434500315529863, https://leetcode.com/problems/random-pick-with-weight
426,Convert Binary Search Tree to Sorted Doubly Linked List,59.1%,Medium,0.2625527836498761, https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
556,Next Greater Element III,31.7%,Medium,0.2619035411237044, https://leetcode.com/problems/next-greater-element-iii
110,Balanced Binary Tree,43.5%,Easy,0.260789845727003, https://leetcode.com/problems/balanced-binary-tree
126,Word Ladder II,22.1%,Hard,0.25503976484865665, https://leetcode.com/problems/word-ladder-ii
139,Word Break,40.1%,Medium,0.24836185186023652, https://leetcode.com/problems/word-break
171,Excel Sheet Column Number,55.9%,Easy,0.24799403931375497, https://leetcode.com/problems/excel-sheet-column-number
39,Combination Sum,56.1%,Medium,0.2475495077466774, https://leetcode.com/problems/combination-sum
490,The Maze,51.4%,Medium,0.24202227192369596, https://leetcode.com/problems/the-maze
863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.24186418612910326, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
716,Max Stack,42.6%,Easy,0.24108416003009112, https://leetcode.com/problems/max-stack
692,Top K Frequent Words,51.8%,Medium,0.24027250894503516, https://leetcode.com/problems/top-k-frequent-words
266,Palindrome Permutation,61.9%,Easy,0.235382573048932, https://leetcode.com/problems/palindrome-permutation
344,Reverse String,68.5%,Easy,0.23528503471044915, https://leetcode.com/problems/reverse-string
917,Reverse Only Letters,58.0%,Easy,0.23240287672700652, https://leetcode.com/problems/reverse-only-letters
768,Max Chunks To Make Sorted II,48.7%,Hard,0.22767870647960103, https://leetcode.com/problems/max-chunks-to-make-sorted-ii
69,Sqrt(x),33.9%,Easy,0.22365492948950624, https://leetcode.com/problems/sqrtx
61,Rotate List,30.0%,Medium,0.2226446737782956, https://leetcode.com/problems/rotate-list
394,Decode String,50.0%,Medium,0.22158432076565618, https://leetcode.com/problems/decode-string
317,Shortest Distance from All Buildings,41.4%,Hard,0.21654542918153205, https://leetcode.com/problems/shortest-distance-from-all-buildings
560,Subarray Sum Equals K,43.9%,Medium,0.21610695147886494, https://leetcode.com/problems/subarray-sum-equals-k
457,Circular Array Loop,29.4%,Medium,0.21472498084861397, https://leetcode.com/problems/circular-array-loop
229,Majority Element II,35.6%,Medium,0.21162970925187066, https://leetcode.com/problems/majority-element-ii
208,Implement Trie (Prefix Tree),49.4%,Medium,0.20593713931590088, https://leetcode.com/problems/implement-trie-prefix-tree
149,Max Points on a Line,16.9%,Hard,0.20409535634351528, https://leetcode.com/problems/max-points-on-a-line
568,Maximum Vacation Days,40.8%,Hard,0.19966567025192705, https://leetcode.com/problems/maximum-vacation-days
1375,Bulb Switcher III,62.6%,Medium,0.19622624370172712, https://leetcode.com/problems/bulb-switcher-iii
153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.191995528322351, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
286,Walls and Gates,54.5%,Medium,0.19197498849459727, https://leetcode.com/problems/walls-and-gates
114,Flatten Binary Tree to Linked List,49.3%,Medium,0.19007687356143277, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
358,Rearrange String k Distance Apart,34.9%,Hard,0.19004360288786493, https://leetcode.com/problems/rearrange-string-k-distance-apart
695,Max Area of Island,62.7%,Medium,0.18587942901211874, https://leetcode.com/problems/max-area-of-island
72,Edit Distance,44.8%,Hard,0.18554648786569794, https://leetcode.com/problems/edit-distance
51,N-Queens,46.6%,Hard,0.18438554101480611, https://leetcode.com/problems/n-queens
71,Simplify Path,32.6%,Medium,0.18300438372386543, https://leetcode.com/problems/simplify-path
759,Employee Free Time,66.3%,Hard,0.1816986978513639, https://leetcode.com/problems/employee-free-time
189,Rotate Array,34.7%,Easy,0.18053653367040554, https://leetcode.com/problems/rotate-array
125,Valid Palindrome,36.7%,Easy,0.1785086666194453, https://leetcode.com/problems/valid-palindrome
45,Jump Game II,30.6%,Hard,0.1775138552258515, https://leetcode.com/problems/jump-game-ii
28,Implement strStr(),34.5%,Easy,0.17697342084154793, https://leetcode.com/problems/implement-strstr
773,Sliding Puzzle,59.3%,Hard,0.17627924233799203, https://leetcode.com/problems/sliding-puzzle
328,Odd Even Linked List,55.7%,Medium,0.17548836529558792, https://leetcode.com/problems/odd-even-linked-list
543,Diameter of Binary Tree,48.4%,Easy,0.1752254632195515, https://leetcode.com/problems/diameter-of-binary-tree
415,Add Strings,47.5%,Easy,0.17429245611868044, https://leetcode.com/problems/add-strings
135,Candy,31.6%,Hard,0.17296269248039503, https://leetcode.com/problems/candy
442,Find All Duplicates in an Array,67.8%,Medium,0.17219015650505717, https://leetcode.com/problems/find-all-duplicates-in-an-array
378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.17163465671022385, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
32,Longest Valid Parentheses,28.4%,Hard,0.17004204716389293, https://leetcode.com/problems/longest-valid-parentheses
516,Longest Palindromic Subsequence,53.2%,Medium,0.16913482985800482, https://leetcode.com/problems/longest-palindromic-subsequence
123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.16653125439681243, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
91,Decode Ways,24.7%,Medium,0.1664322442258041, https://leetcode.com/problems/decode-ways
242,Valid Anagram,56.9%,Easy,0.1620140669319784, https://leetcode.com/problems/valid-anagram
540,Single Element in a Sorted Array,57.9%,Medium,0.16091725953613234, https://leetcode.com/problems/single-element-in-a-sorted-array
150,Evaluate Reverse Polish Notation,36.3%,Medium,0.16073798512678014, https://leetcode.com/problems/evaluate-reverse-polish-notation
669,Trim a Binary Search Tree,63.0%,Easy,0.1603426500751794, https://leetcode.com/problems/trim-a-binary-search-tree
19,Remove Nth Node From End of List,35.2%,Medium,0.15983469543773265, https://leetcode.com/problems/remove-nth-node-from-end-of-list
727,Minimum Window Subsequence,41.8%,Hard,0.15970111035790735, https://leetcode.com/problems/minimum-window-subsequence
199,Binary Tree Right Side View,54.1%,Medium,0.15904374287529144, https://leetcode.com/problems/binary-tree-right-side-view
572,Subtree of Another Tree,44.1%,Easy,0.1554260466680471, https://leetcode.com/problems/subtree-of-another-tree
158,Read N Characters Given Read4 II - Call multiple times,33.8%,Hard,0.15348688956060175, https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
215,Kth Largest Element in an Array,55.4%,Medium,0.15289308167366858, https://leetcode.com/problems/kth-largest-element-in-an-array
314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.15148600467306356, https://leetcode.com/problems/binary-tree-vertical-order-traversal
30,Substring with Concatenation of All Words,25.4%,Hard,0.1461170580676051, https://leetcode.com/problems/substring-with-concatenation-of-all-words
129,Sum Root to Leaf Numbers,49.1%,Medium,0.14587477052339856, https://leetcode.com/problems/sum-root-to-leaf-numbers
909,Snakes and Ladders,38.4%,Medium,0.14465605390747982, https://leetcode.com/problems/snakes-and-ladders
77,Combinations,54.7%,Medium,0.14385837161074141, https://leetcode.com/problems/combinations
207,Course Schedule,43.1%,Medium,0.1402270159030123, https://leetcode.com/problems/course-schedule
729,My Calendar I,51.8%,Medium,0.13838970177559895, https://leetcode.com/problems/my-calendar-i
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
1136,Parallel Courses,61.1%,Hard,0.13720112151348504, https://leetcode.com/problems/parallel-courses
412,Fizz Buzz,62.3%,Easy,0.135955636236029, https://leetcode.com/problems/fizz-buzz
26,Remove Duplicates from Sorted Array,45.1%,Easy,0.13201038687949407, https://leetcode.com/problems/remove-duplicates-from-sorted-array
333,Largest BST Subtree,35.8%,Medium,0.13138400282910845, https://leetcode.com/problems/largest-bst-subtree
63,Unique Paths II,34.6%,Medium,0.13103977657747026, https://leetcode.com/problems/unique-paths-ii
214,Shortest Palindrome,29.8%,Hard,0.13026519483790147, https://leetcode.com/problems/shortest-palindrome
384,Shuffle an Array,52.8%,Medium,0.12953764257899986, https://leetcode.com/problems/shuffle-an-array
958,Check Completeness of a Binary Tree,52.1%,Medium,0.12884496089089562, https://leetcode.com/problems/check-completeness-of-a-binary-tree
612,Shortest Distance in a Plane,59.5%,Medium,0.1271551754852466, https://leetcode.com/problems/shortest-distance-in-a-plane
567,Permutation in String,44.4%,Medium,0.1271102185315222, https://leetcode.com/problems/permutation-in-string
694,Number of Distinct Islands,56.0%,Medium,0.12516314295400602, https://leetcode.com/problems/number-of-distinct-islands
300,Longest Increasing Subsequence,42.6%,Medium,0.12395147349827965, https://leetcode.com/problems/longest-increasing-subsequence
683,K Empty Slots,35.6%,Hard,0.12247703235966204, https://leetcode.com/problems/k-empty-slots
315,Count of Smaller Numbers After Self,41.5%,Hard,0.12231037767091538, https://leetcode.com/problems/count-of-smaller-numbers-after-self
38,Count and Say,44.6%,Easy,0.11845964781974515, https://leetcode.com/problems/count-and-say
724,Find Pivot Index,44.0%,Easy,0.11824782767032843, https://leetcode.com/problems/find-pivot-index
332,Reconstruct Itinerary,36.7%,Medium,0.11747520126885172, https://leetcode.com/problems/reconstruct-itinerary
64,Minimum Path Sum,54.5%,Medium,0.1173048772402237, https://leetcode.com/problems/minimum-path-sum
268,Missing Number,51.7%,Easy,0.11538834636572094, https://leetcode.com/problems/missing-number
281,Zigzag Iterator,58.4%,Medium,0.11506932978478719, https://leetcode.com/problems/zigzag-iterator
308,Range Sum Query 2D - Mutable,35.6%,Hard,0.11441035117774422, https://leetcode.com/problems/range-sum-query-2d-mutable
708,Insert into a Sorted Circular Linked List,31.6%,Medium,0.11219725014953141, https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
655,Print Binary Tree,55.0%,Medium,0.11153609770197609, https://leetcode.com/problems/print-binary-tree
40,Combination Sum II,48.2%,Medium,0.11145356111123644, https://leetcode.com/problems/combination-sum-ii
1188,Design Bounded Blocking Queue,70.5%,Medium,0.11030454201470608, https://leetcode.com/problems/design-bounded-blocking-queue
681,Next Closest Time,45.0%,Medium,0.11013564249600598, https://leetcode.com/problems/next-closest-time
140,Word Break II,32.6%,Hard,0.10843250681427455, https://leetcode.com/problems/word-break-ii
518,Coin Change 2,50.2%,Medium,0.10746985577594965, https://leetcode.com/problems/coin-change-2
969,Pancake Sorting,67.5%,Medium,0.10724553035359762, https://leetcode.com/problems/pancake-sorting
108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.10686314554236129, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
407,Trapping Rain Water II,42.4%,Hard,0.10486899438963619, https://leetcode.com/problems/trapping-rain-water-ii
159,Longest Substring with At Most Two Distinct Characters,49.4%,Medium,0.10453372768183221, https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters
289,Game of Life,54.5%,Medium,0.10365526175211173, https://leetcode.com/problems/game-of-life
267,Palindrome Permutation II,36.4%,Medium,0.10345133738802471, https://leetcode.com/problems/palindrome-permutation-ii
523,Continuous Subarray Sum,24.6%,Medium,0.1016388887348317, https://leetcode.com/problems/continuous-subarray-sum
379,Design Phone Directory,46.8%,Medium,0.10135249426028749, https://leetcode.com/problems/design-phone-directory
979,Distribute Coins in Binary Tree,68.9%,Medium,0.10090468412429855, https://leetcode.com/problems/distribute-coins-in-binary-tree
142,Linked List Cycle II,37.3%,Medium,0.10019322804117618, https://leetcode.com/problems/linked-list-cycle-ii
387,First Unique Character in a String,53.4%,Easy,0.09971390202061521, https://leetcode.com/problems/first-unique-character-in-a-string
283,Move Zeroes,57.8%,Easy,0.09896140984010138, https://leetcode.com/problems/move-zeroes
84,Largest Rectangle in Histogram,35.2%,Hard,0.09762873497741681, https://leetcode.com/problems/largest-rectangle-in-histogram
83,Remove Duplicates from Sorted List,45.4%,Easy,0.0971047329502579, https://leetcode.com/problems/remove-duplicates-from-sorted-list
733,Flood Fill,55.3%,Easy,0.09669362480247104, https://leetcode.com/problems/flood-fill
280,Wiggle Sort,63.8%,Medium,0.09561417737468547, https://leetcode.com/problems/wiggle-sort
438,Find All Anagrams in a String,43.3%,Medium,0.09527308850408509, https://leetcode.com/problems/find-all-anagrams-in-a-string
493,Reverse Pairs,25.2%,Hard,0.09450889771017068, https://leetcode.com/problems/reverse-pairs
611,Valid Triangle Number,48.4%,Medium,0.09333193979221914, https://leetcode.com/problems/valid-triangle-number
662,Maximum Width of Binary Tree,41.0%,Medium,0.09316274664172107, https://leetcode.com/problems/maximum-width-of-binary-tree
1062,Longest Repeating Substring,57.2%,Medium,0.09201889872025212, https://leetcode.com/problems/longest-repeating-substring
381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.09106388892287375, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
252,Meeting Rooms,54.6%,Easy,0.09020195522698488, https://leetcode.com/problems/meeting-rooms
647,Palindromic Substrings,60.6%,Medium,0.08992575300574686, https://leetcode.com/problems/palindromic-substrings
1116,Print Zero Even Odd,56.0%,Medium,0.08934510033584994, https://leetcode.com/problems/print-zero-even-odd
652,Find Duplicate Subtrees,50.2%,Medium,0.08907963005368878, https://leetcode.com/problems/find-duplicate-subtrees
509,Fibonacci Number,67.2%,Easy,0.08383840268320984, https://leetcode.com/problems/fibonacci-number
939,Minimum Area Rectangle,51.8%,Medium,0.08361414004113359, https://leetcode.com/problems/minimum-area-rectangle
89,Gray Code,49.1%,Medium,0.08112554481236843, https://leetcode.com/problems/gray-code
354,Russian Doll Envelopes,35.6%,Hard,0.08025695513016742, https://leetcode.com/problems/russian-doll-envelopes
97,Interleaving String,31.5%,Hard,0.07948571541724253, https://leetcode.com/problems/interleaving-string
784,Letter Case Permutation,64.6%,Medium,0.0787033338274549, https://leetcode.com/problems/letter-case-permutation
1104,Path In Zigzag Labelled Binary Tree,72.0%,Medium,0.07786032177227234, https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree
341,Flatten Nested List Iterator,52.9%,Medium,0.07763353611776078, https://leetcode.com/problems/flatten-nested-list-iterator
210,Course Schedule II,40.7%,Medium,0.07762595476606639, https://leetcode.com/problems/course-schedule-ii
55,Jump Game,34.6%,Medium,0.07748307858552587, https://leetcode.com/problems/jump-game
162,Find Peak Element,43.3%,Medium,0.0751426333944982, https://leetcode.com/problems/find-peak-element
12,Integer to Roman,55.1%,Medium,0.07429157630369143, https://leetcode.com/problems/integer-to-roman
515,Find Largest Value in Each Tree Row,61.1%,Medium,0.07428007438287054, https://leetcode.com/problems/find-largest-value-in-each-tree-row
1079,Letter Tile Possibilities,75.4%,Medium,0.07350246199292652, https://leetcode.com/problems/letter-tile-possibilities
721,Accounts Merge,48.8%,Medium,0.07349495575336484, https://leetcode.com/problems/accounts-merge
503,Next Greater Element II,56.5%,Medium,0.07339377143296942, https://leetcode.com/problems/next-greater-element-ii
351,Android Unlock Patterns,48.4%,Medium,0.07197349962508924, https://leetcode.com/problems/android-unlock-patterns
271,Encode and Decode Strings,31.5%,Medium,0.07197349962508924, https://leetcode.com/problems/encode-and-decode-strings
290,Word Pattern,37.0%,Easy,0.071651050037288, https://leetcode.com/problems/word-pattern
81,Search in Rotated Sorted Array II,33.0%,Medium,0.07091146875905202, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.07082605256861242, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.070392125446596, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
347,Top K Frequent Elements,61.2%,Medium,0.07032016944224467, https://leetcode.com/problems/top-k-frequent-elements
676,Implement Magic Dictionary,54.5%,Medium,0.06995858860691037, https://leetcode.com/problems/implement-magic-dictionary
406,Queue Reconstruction by Height,66.9%,Medium,0.06917190648877243, https://leetcode.com/problems/queue-reconstruction-by-height
432,All O`one Data Structure,32.4%,Hard,0.06887402901251127, https://leetcode.com/problems/all-oone-data-structure
383,Ransom Note,53.1%,Easy,0.06869653128623486, https://leetcode.com/problems/ransom-note
284,Peeking Iterator,45.7%,Medium,0.06867686579621939, https://leetcode.com/problems/peeking-iterator
270,Closest Binary Search Tree Value,48.5%,Easy,0.06680279511160087, https://leetcode.com/problems/closest-binary-search-tree-value
1145,Binary Tree Coloring Game,51.2%,Medium,0.06592172080482424, https://leetcode.com/problems/binary-tree-coloring-game
7,Reverse Integer,25.8%,Easy,0.06491395714978664, https://leetcode.com/problems/reverse-integer
658,Find K Closest Elements,40.9%,Medium,0.06485254217956125, https://leetcode.com/problems/find-k-closest-elements
769,Max Chunks To Make Sorted,54.8%,Medium,0.06474752939415815, https://leetcode.com/problems/max-chunks-to-make-sorted
174,Dungeon Game,32.3%,Hard,0.06367072323433676, https://leetcode.com/problems/dungeon-game
147,Insertion Sort List,41.1%,Medium,0.06340151135049601, https://leetcode.com/problems/insertion-sort-list
397,Integer Replacement,32.9%,Medium,0.06331227941432688, https://leetcode.com/problems/integer-replacement
86,Partition List,41.5%,Medium,0.06170036851169576, https://leetcode.com/problems/partition-list
739,Daily Temperatures,63.3%,Medium,0.06111383323222972, https://leetcode.com/problems/daily-temperatures
701,Insert into a Binary Search Tree,77.7%,Medium,0.06069363413516112, https://leetcode.com/problems/insert-into-a-binary-search-tree
11,Container With Most Water,50.8%,Medium,0.060358007567261264, https://leetcode.com/problems/container-with-most-water
305,Number of Islands II,40.1%,Hard,0.06007812394328337, https://leetcode.com/problems/number-of-islands-ii
796,Rotate String,49.6%,Easy,0.059778751425839334, https://leetcode.com/problems/rotate-string
118,Pascal's Triangle,52.5%,Easy,0.05916940920826907, https://leetcode.com/problems/pascals-triangle
630,Course Schedule III,33.5%,Hard,0.058581901624802396, https://leetcode.com/problems/course-schedule-iii
198,House Robber,42.0%,Easy,0.05849085907372723, https://leetcode.com/problems/house-robber
78,Subsets,62.0%,Medium,0.05743033072740612, https://leetcode.com/problems/subsets
403,Frog Jump,39.7%,Hard,0.05741372523004705, https://leetcode.com/problems/frog-jump
621,Task Scheduler,50.1%,Medium,0.05695976044875415, https://leetcode.com/problems/task-scheduler
950,Reveal Cards In Increasing Order,74.6%,Medium,0.056592185311170023, https://leetcode.com/problems/reveal-cards-in-increasing-order
109,Convert Sorted List to Binary Search Tree,47.7%,Medium,0.05655216950492122, https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.05637058926920947, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
653,Two Sum IV - Input is a BST,55.5%,Easy,0.055724721838100025, https://leetcode.com/problems/two-sum-iv-input-is-a-bst
230,Kth Smallest Element in a BST,60.2%,Medium,0.055629976214953934, https://leetcode.com/problems/kth-smallest-element-in-a-bst
62,Unique Paths,54.1%,Medium,0.055187969852649885, https://leetcode.com/problems/unique-paths
304,Range Sum Query 2D - Immutable,38.6%,Medium,0.054527987071175225, https://leetcode.com/problems/range-sum-query-2d-immutable
703,Kth Largest Element in a Stream,49.7%,Easy,0.054472280837981495, https://leetcode.com/problems/kth-largest-element-in-a-stream
1229,Meeting Scheduler,52.7%,Medium,0.053560323833736816, https://leetcode.com/problems/meeting-scheduler
101,Symmetric Tree,46.8%,Easy,0.05314658664103646, https://leetcode.com/problems/symmetric-tree
70,Climbing Stairs,47.8%,Easy,0.05292045608536146, https://leetcode.com/problems/climbing-stairs
329,Longest Increasing Path in a Matrix,43.4%,Hard,0.052557250738676044, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.05236798551731598, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
57,Insert Interval,33.5%,Hard,0.05147485598282032, https://leetcode.com/problems/insert-interval
209,Minimum Size Subarray Sum,38.2%,Medium,0.05146227039335983, https://leetcode.com/problems/minimum-size-subarray-sum
65,Valid Number,15.3%,Hard,0.05071509257901641, https://leetcode.com/problems/valid-number
216,Combination Sum III,56.6%,Medium,0.05017774958571902, https://leetcode.com/problems/combination-sum-iii
981,Time Based Key-Value Store,53.1%,Medium,0.049406315387071284, https://leetcode.com/problems/time-based-key-value-store
167,Two Sum II - Input array is sorted,54.1%,Easy,0.04850742103311059, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
405,Convert a Number to Hexadecimal,43.9%,Easy,0.0483770263821056, https://leetcode.com/problems/convert-a-number-to-hexadecimal
547,Friend Circles,58.6%,Medium,0.04804286211474039, https://leetcode.com/problems/friend-circles
845,Longest Mountain in Array,37.2%,Medium,0.047458490406358134, https://leetcode.com/problems/longest-mountain-in-array
698,Partition to K Equal Sum Subsets,45.0%,Medium,0.04685917114094188, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
876,Middle of the Linked List,68.4%,Easy,0.046728740327781716, https://leetcode.com/problems/middle-of-the-linked-list
223,Rectangle Area,37.8%,Medium,0.04598511324182338, https://leetcode.com/problems/rectangle-area
843,Guess the Word,46.1%,Hard,0.045462374076757336, https://leetcode.com/problems/guess-the-word
205,Isomorphic Strings,39.8%,Easy,0.045397866271290506, https://leetcode.com/problems/isomorphic-strings
609,Find Duplicate File in System,59.5%,Medium,0.045205436768046794, https://leetcode.com/problems/find-duplicate-file-in-system
325,Maximum Size Subarray Sum Equals k,46.8%,Medium,0.04495138786226632, https://leetcode.com/problems/maximum-size-subarray-sum-equals-k
680,Valid Palindrome II,36.6%,Easy,0.04470617503841694, https://leetcode.com/problems/valid-palindrome-ii
489,Robot Room Cleaner,69.7%,Hard,0.04460047988428181, https://leetcode.com/problems/robot-room-cleaner
349,Intersection of Two Arrays,62.5%,Easy,0.04447549064708117, https://leetcode.com/problems/intersection-of-two-arrays
895,Maximum Frequency Stack,60.6%,Hard,0.04329680575332419, https://leetcode.com/problems/maximum-frequency-stack
448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.04214343508255059, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
532,K-diff Pairs in an Array,31.6%,Easy,0.041672696400568025, https://leetcode.com/problems/k-diff-pairs-in-an-array
430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,0.04154283751370906, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
844,Backspace String Compare,46.4%,Easy,0.041499730906752734, https://leetcode.com/problems/backspace-string-compare
1004,Max Consecutive Ones III,59.1%,Medium,0.041252411938220004, https://leetcode.com/problems/max-consecutive-ones-iii
243,Shortest Word Distance,61.0%,Easy,0.040780370344928096, https://leetcode.com/problems/shortest-word-distance
907,Sum of Subarray Minimums,32.3%,Medium,0.04069737616380998, https://leetcode.com/problems/sum-of-subarray-minimums
819,Most Common Word,44.8%,Easy,0.0404606389166018, https://leetcode.com/problems/most-common-word
833,Find And Replace in String,50.4%,Medium,0.03984590854719967, https://leetcode.com/problems/find-and-replace-in-string
788,Rotated Digits,57.1%,Easy,0.03980625040041967, https://leetcode.com/problems/rotated-digits
256,Paint House,52.1%,Easy,0.03937516523483013, https://leetcode.com/problems/paint-house
872,Leaf-Similar Trees,64.5%,Easy,0.03899974309382511, https://leetcode.com/problems/leaf-similar-trees
18,4Sum,33.7%,Medium,0.03880215185647971, https://leetcode.com/problems/4sum
113,Path Sum II,46.7%,Medium,0.03857758982167768, https://leetcode.com/problems/path-sum-ii
1381,Design a Stack With Increment Operation,74.7%,Medium,0.038355612390321446, https://leetcode.com/problems/design-a-stack-with-increment-operation
34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.03759448672488506, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
643,Maximum Average Subarray I,41.5%,Easy,0.03683657735649026, https://leetcode.com/problems/maximum-average-subarray-i
887,Super Egg Drop,27.1%,Hard,0.03660060864484636, https://leetcode.com/problems/super-egg-drop
884,Uncommon Words from Two Sentences,63.3%,Easy,0.036301626676214796, https://leetcode.com/problems/uncommon-words-from-two-sentences
161,One Edit Distance,32.3%,Medium,0.03626870773745257, https://leetcode.com/problems/one-edit-distance
934,Shortest Bridge,48.2%,Medium,0.03607244121670154, https://leetcode.com/problems/shortest-bridge
973,K Closest Points to Origin,63.8%,Medium,0.035550452059401896, https://leetcode.com/problems/k-closest-points-to-origin
1304,Find N Unique Integers Sum up to Zero,76.3%,Easy,0.035408891906255915, https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
1143,Longest Common Subsequence,58.4%,Medium,0.03488472325916733, https://leetcode.com/problems/longest-common-subsequence
152,Maximum Product Subarray,31.7%,Medium,0.034438665054543384, https://leetcode.com/problems/maximum-product-subarray
416,Partition Equal Subset Sum,43.7%,Medium,0.034301326353463016, https://leetcode.com/problems/partition-equal-subset-sum
480,Sliding Window Median,37.2%,Hard,0.03373001037669306, https://leetcode.com/problems/sliding-window-median
104,Maximum Depth of Binary Tree,66.0%,Easy,0.03362699323605452, https://leetcode.com/problems/maximum-depth-of-binary-tree
707,Design Linked List,24.5%,Medium,0.03356019649230184, https://leetcode.com/problems/design-linked-list
832,Flipping an Image,76.2%,Easy,0.03267078228954871, https://leetcode.com/problems/flipping-an-image
237,Delete Node in a Linked List,63.8%,Easy,0.031728549820175866, https://leetcode.com/problems/delete-node-in-a-linked-list
1091,Shortest Path in Binary Matrix,38.2%,Medium,0.03164821095078173, https://leetcode.com/problems/shortest-path-in-binary-matrix
228,Summary Ranges,39.5%,Medium,0.03157326191609021, https://leetcode.com/problems/summary-ranges
187,Repeated DNA Sequences,38.9%,Medium,0.03147388037973136, https://leetcode.com/problems/repeated-dna-sequences
323,Number of Connected Components in an Undirected Graph,56.0%,Medium,0.031399753867979864, https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
867,Transpose Matrix,62.8%,Easy,0.031179454774354007, https://leetcode.com/problems/transpose-matrix
131,Palindrome Partitioning,47.5%,Medium,0.03101558050692165, https://leetcode.com/problems/palindrome-partitioning
575,Distribute Candies,61.4%,Easy,0.030890487019338404, https://leetcode.com/problems/distribute-candies
6,ZigZag Conversion,36.3%,Medium,0.03049597862981453, https://leetcode.com/problems/zigzag-conversion
316,Remove Duplicate Letters,35.8%,Hard,0.030443751414723153, https://leetcode.com/problems/remove-duplicate-letters
1027,Longest Arithmetic Sequence,53.4%,Medium,0.03030534949532895, https://leetcode.com/problems/longest-arithmetic-sequence
994,Rotting Oranges,49.2%,Medium,0.030179582027776965, https://leetcode.com/problems/rotting-oranges
16,3Sum Closest,46.0%,Medium,0.02976964023166436, https://leetcode.com/problems/3sum-closest
1197,Minimum Knight Moves,36.1%,Medium,0.02969780239174205, https://leetcode.com/problems/minimum-knight-moves
671,Second Minimum Node In a Binary Tree,42.7%,Easy,0.02958795718549609, https://leetcode.com/problems/second-minimum-node-in-a-binary-tree
14,Longest Common Prefix,35.4%,Easy,0.029493413243583278, https://leetcode.com/problems/longest-common-prefix
169,Majority Element,58.7%,Easy,0.02905829743134675, https://leetcode.com/problems/majority-element
82,Remove Duplicates from Sorted List II,36.8%,Medium,0.028950236662501776, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
413,Arithmetic Slices,57.9%,Medium,0.028431197162004825, https://leetcode.com/problems/arithmetic-slices
852,Peak Index in a Mountain Array,71.6%,Easy,0.02817087696669632, https://leetcode.com/problems/peak-index-in-a-mountain-array
311,Sparse Matrix Multiplication,61.9%,Medium,0.027702602549335792, https://leetcode.com/problems/sparse-matrix-multiplication
472,Concatenated Words,43.7%,Hard,0.027664281472355556, https://leetcode.com/problems/concatenated-words
498,Diagonal Traverse,48.2%,Medium,0.02756894104498661, https://leetcode.com/problems/diagonal-traverse
172,Factorial Trailing Zeroes,37.8%,Easy,0.02752467339009002, https://leetcode.com/problems/factorial-trailing-zeroes
29,Divide Two Integers,16.4%,Medium,0.026820246545985277, https://leetcode.com/problems/divide-two-integers
373,Find K Pairs with Smallest Sums,36.7%,Medium,0.02626546261018635, https://leetcode.com/problems/find-k-pairs-with-smallest-sums
541,Reverse String II,48.4%,Easy,0.025349899895526405, https://leetcode.com/problems/reverse-string-ii
717,1-bit and 2-bit Characters,48.8%,Easy,0.025269822188076344, https://leetcode.com/problems/1-bit-and-2-bit-characters
785,Is Graph Bipartite?,47.5%,Medium,0.02510592113107633, https://leetcode.com/problems/is-graph-bipartite
220,Contains Duplicate III,20.9%,Medium,0.024876904755404577, https://leetcode.com/problems/contains-duplicate-iii
202,Happy Number,50.4%,Easy,0.02483442856330386, https://leetcode.com/problems/happy-number
735,Asteroid Collision,41.0%,Medium,0.024723138086794758, https://leetcode.com/problems/asteroid-collision
977,Squares of a Sorted Array,72.1%,Easy,0.02407434514623628, https://leetcode.com/problems/squares-of-a-sorted-array
704,Binary Search,52.1%,Easy,0.02368531774150923, https://leetcode.com/problems/binary-search
282,Expression Add Operators,35.5%,Hard,0.022523474667082946, https://leetcode.com/problems/expression-add-operators
221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
226,Invert Binary Tree,65.0%,Easy,0.021852822620514783, https://leetcode.com/problems/invert-binary-tree
112,Path Sum,41.2%,Easy,0.021701651897460775, https://leetcode.com/problems/path-sum
905,Sort Array By Parity,74.1%,Easy,0.02148053951675942, https://leetcode.com/problems/sort-array-by-parity
459,Repeated Substring Pattern,42.2%,Easy,0.021402636114384706, https://leetcode.com/problems/repeated-substring-pattern
359,Logger Rate Limiter,70.8%,Easy,0.021053409197832343, https://leetcode.com/problems/logger-rate-limiter
670,Maximum Swap,43.6%,Medium,0.020844944430365928, https://leetcode.com/problems/maximum-swap
350,Intersection of Two Arrays II,51.4%,Easy,0.020680587107206983, https://leetcode.com/problems/intersection-of-two-arrays-ii
60,Permutation Sequence,38.4%,Hard,0.020471543980187256, https://leetcode.com/problems/permutation-sequence
166,Fraction to Recurring Decimal,21.6%,Medium,0.02015181543730795, https://leetcode.com/problems/fraction-to-recurring-decimal
525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
1122,Relative Sort Array,67.7%,Easy,0.019685675071030327, https://leetcode.com/problems/relative-sort-array
435,Non-overlapping Intervals,42.9%,Medium,0.019455866615365896, https://leetcode.com/problems/non-overlapping-intervals
399,Evaluate Division,51.6%,Medium,0.019380451549662482, https://leetcode.com/problems/evaluate-division
674,Longest Continuous Increasing Subsequence,45.9%,Easy,0.01900294712561538, https://leetcode.com/problems/longest-continuous-increasing-subsequence
1155,Number of Dice Rolls With Target Sum,49.0%,Medium,0.018904154639152678, https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
9,Palindrome Number,48.4%,Easy,0.018837205580381582, https://leetcode.com/problems/palindrome-number
787,Cheapest Flights Within K Stops,39.3%,Medium,0.018824085245635554, https://leetcode.com/problems/cheapest-flights-within-k-stops
1008,Construct Binary Search Tree from Preorder Traversal,78.4%,Medium,0.01844220088035248, https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal
136,Single Number,65.5%,Easy,0.017801666336826266, https://leetcode.com/problems/single-number
993,Cousins in Binary Tree,52.0%,Easy,0.017414458368636587, https://leetcode.com/problems/cousins-in-binary-tree
95,Unique Binary Search Trees II,40.6%,Medium,0.016856699181010838, https://leetcode.com/problems/unique-binary-search-trees-ii
191,Number of 1 Bits,49.8%,Easy,0.01673523624045844, https://leetcode.com/problems/number-of-1-bits
176,Second Highest Salary,31.6%,Easy,0.01655971603901838, https://leetcode.com/problems/second-highest-salary
299,Bulls and Cows,42.4%,Easy,0.016227536621756702, https://leetcode.com/problems/bulls-and-cows
938,Range Sum of BST,81.3%,Easy,0.015707129205357877, https://leetcode.com/problems/range-sum-of-bst
929,Unique Email Addresses,67.4%,Easy,0.01514033463141179, https://leetcode.com/problems/unique-email-addresses
217,Contains Duplicate,56.0%,Easy,0.015106027431013205, https://leetcode.com/problems/contains-duplicate
367,Valid Perfect Square,41.7%,Easy,0.014992784586141334, https://leetcode.com/problems/valid-perfect-square
106,Construct Binary Tree from Inorder and Postorder Traversal,47.2%,Medium,0.014538520789527288, https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
107,Binary Tree Level Order Traversal II,53.5%,Easy,0.014395642075089957, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
222,Count Complete Tree Nodes,46.8%,Medium,0.014015646388344492, https://leetcode.com/problems/count-complete-tree-nodes
144,Binary Tree Preorder Traversal,55.7%,Medium,0.013667638728663807, https://leetcode.com/problems/binary-tree-preorder-traversal
1192,Critical Connections in a Network,48.6%,Hard,0.01352742981715631, https://leetcode.com/problems/critical-connections-in-a-network
303,Range Sum Query - Immutable,44.7%,Easy,0.013240842236997532, https://leetcode.com/problems/range-sum-query-immutable
120,Triangle,44.2%,Medium,0.013236460625830901, https://leetcode.com/problems/triangle
496,Next Greater Element I,63.8%,Easy,0.013201511858535894, https://leetcode.com/problems/next-greater-element-i
219,Contains Duplicate II,37.7%,Easy,0.01276748910345265, https://leetcode.com/problems/contains-duplicate-ii
743,Network Delay Time,45.0%,Medium,0.012743084194281933, https://leetcode.com/problems/network-delay-time
213,House Robber II,36.5%,Medium,0.012654392210497564, https://leetcode.com/problems/house-robber-ii
50,Pow(x;n),30.3%,Medium,0.01254502984008178, https://leetcode.com/problems/powx-n
437,Path Sum III,47.2%,Medium,0.012128711446614806, https://leetcode.com/problems/path-sum-iii
278,First Bad Version,35.7%,Easy,0.012090421323816148, https://leetcode.com/problems/first-bad-version
90,Subsets II,47.1%,Medium,0.011412392051744769, https://leetcode.com/problems/subsets-ii
494,Target Sum,46.3%,Medium,0.011062059705858562, https://leetcode.com/problems/target-sum
463,Island Perimeter,65.7%,Easy,0.010935046086198837, https://leetcode.com/problems/island-perimeter
338,Counting Bits,69.5%,Medium,0.01088446119842327, https://leetcode.com/problems/counting-bits
257,Binary Tree Paths,51.5%,Easy,0.010457611643958139, https://leetcode.com/problems/binary-tree-paths
211,Add and Search Word - Data structure design,38.1%,Medium,0.010438508143923443, https://leetcode.com/problems/add-and-search-word-data-structure-design
35,Search Insert Position,42.6%,Easy,0.010425207359624364, https://leetcode.com/problems/search-insert-position
414,Third Maximum Number,30.5%,Easy,0.010357420400453607, https://leetcode.com/problems/third-maximum-number
231,Power of Two,43.7%,Easy,0.0097371752778583, https://leetcode.com/problems/power-of-two
47,Permutations II,46.4%,Medium,0.009673594178378379, https://leetcode.com/problems/permutations-ii
96,Unique Binary Search Trees,52.9%,Medium,0.009242209964820877, https://leetcode.com/problems/unique-binary-search-trees
279,Perfect Squares,47.4%,Medium,0.009216655104924008, https://leetcode.com/problems/perfect-squares
1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.009195467093100304, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
953,Verifying an Alien Dictionary,54.1%,Easy,0.007884921592696038, https://leetcode.com/problems/verifying-an-alien-dictionary
111,Minimum Depth of Binary Tree,37.4%,Easy,0.0066203485760693214, https://leetcode.com/problems/minimum-depth-of-binary-tree
100,Same Tree,53.4%,Easy,0.005620163024677507, https://leetcode.com/problems/same-tree
485,Max Consecutive Ones,54.6%,Easy,0.005314920829289628, https://leetcode.com/problems/max-consecutive-ones
1470,Shuffle the Array,88.9%,Easy,0.004527967890154029, https://leetcode.com/problems/shuffle-the-array
27,Remove Element,48.2%,Easy,0.0035524016043678225, https://leetcode.com/problems/remove-element
1344,Angle Between Hands of a Clock,61.4%,Medium,0.0019544616795205403, https://leetcode.com/problems/angle-between-hands-of-a-clock
67,Add Binary,45.2%,Easy,0.0016620272243229827, https://leetcode.com/problems/add-binary
203,Remove Linked List Elements,38.6%,Easy,0.0016237064659255223, https://leetcode.com/problems/remove-linked-list-elements
ID,Title,Acceptance,Difficulty,Frequency,Leetcode Question Link
146,LRU Cache,33.2%,Medium,1.9068942851168293, https://leetcode.com/problems/lru-cache
138,Copy List with Random Pointer,36.4%,Medium,1.839296369281829, https://leetcode.com/problems/copy-list-with-random-pointer
348,Design Tic-Tac-Toe,54.3%,Medium,1.7622511751629417, https://leetcode.com/problems/design-tic-tac-toe
1239,Maximum Length of a Concatenated String with Unique Characters,47.8%,Medium,1.6852059810440545, https://leetcode.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters
273,Integer to English Words,27.1%,Hard,1.6081607869251673, https://leetcode.com/problems/integer-to-english-words
1,Two Sum,45.6%,Easy,1.5833715306321339, https://leetcode.com/problems/two-sum
794,Valid Tic-Tac-Toe State,32.6%,Medium,1.549767336843805, https://leetcode.com/problems/valid-tic-tac-toe-state
54,Spiral Matrix,34.1%,Medium,1.5277031487259203, https://leetcode.com/problems/spiral-matrix
165,Compare Version Numbers,27.4%,Medium,1.450657954607033, https://leetcode.com/problems/compare-version-numbers
428,Serialize and Deserialize N-ary Tree,59.4%,Hard,1.39256021863239, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
445,Add Two Numbers II,54.5%,Medium,1.3627396299910237, https://leetcode.com/problems/add-two-numbers-ii
42,Trapping Rain Water,48.9%,Hard,1.2856944358721365, https://leetcode.com/problems/trapping-rain-water
200,Number of Islands,46.8%,Medium,1.282195127879335, https://leetcode.com/problems/number-of-islands
253,Meeting Rooms II,45.7%,Medium,1.2072729703046439, https://leetcode.com/problems/meeting-rooms-ii
5,Longest Palindromic Substring,29.5%,Medium,1.2049820501287227, https://leetcode.com/problems/longest-palindromic-substring
186,Reverse Words in a String II,43.3%,Medium,1.161526114078679, https://leetcode.com/problems/reverse-words-in-a-string-ii
297,Serialize and Deserialize Binary Tree,47.5%,Hard,1.155330001457385, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
545,Boundary of Binary Tree,38.9%,Medium,1.1251501588677701, https://leetcode.com/problems/boundary-of-binary-tree
443,String Compression,41.3%,Easy,1.048104964748883, https://leetcode.com/problems/string-compression
23,Merge k Sorted Lists,40.2%,Hard,1.0261554494754497, https://leetcode.com/problems/merge-k-sorted-lists
25,Reverse Nodes in k-Group,42.1%,Hard,1.0060099268822469, https://leetcode.com/problems/reverse-nodes-in-k-group
402,Remove K Digits,28.4%,Medium,0.993503693908454, https://leetcode.com/problems/remove-k-digits
88,Merge Sorted Array,39.4%,Easy,0.9801695539990253, https://leetcode.com/problems/merge-sorted-array
98,Validate Binary Search Tree,27.8%,Medium,0.9662594465630313, https://leetcode.com/problems/validate-binary-search-tree
151,Reverse Words in a String,21.9%,Medium,0.946093007208271, https://leetcode.com/problems/reverse-words-in-a-string
557,Reverse Words in a String III,69.8%,Easy,0.9259911966439747, https://leetcode.com/problems/reverse-words-in-a-string-iii
240,Search a 2D Matrix II,43.2%,Medium,0.9130504736307608, https://leetcode.com/problems/search-a-2d-matrix-ii
2,Add Two Numbers,33.9%,Medium,0.9045266903158492, https://leetcode.com/problems/add-two-numbers
218,The Skyline Problem,34.6%,Hard,0.8967461358011848, https://leetcode.com/problems/the-skyline-problem
285,Inorder Successor in BST,40.4%,Medium,0.8942541034317931, https://leetcode.com/problems/inorder-successor-in-bst
103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.8911932153659692, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
22,Generate Parentheses,62.7%,Medium,0.8821480129478173, https://leetcode.com/problems/generate-parentheses
53,Maximum Subarray,46.5%,Easy,0.8799062141955307, https://leetcode.com/problems/maximum-subarray
8,String to Integer (atoi),15.4%,Medium,0.8636115676315972, https://leetcode.com/problems/string-to-integer-atoi
93,Restore IP Addresses,35.6%,Medium,0.8230542487772108, https://leetcode.com/problems/restore-ip-addresses
722,Remove Comments,34.6%,Medium,0.8109302162163288, https://leetcode.com/problems/remove-comments
206,Reverse Linked List,62.5%,Easy,0.8061359210393346, https://leetcode.com/problems/reverse-linked-list
236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.7928508522150108, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
212,Word Search II,34.9%,Hard,0.7871523471289301, https://leetcode.com/problems/word-search-ii
21,Merge Two Sorted Lists,53.5%,Easy,0.7621927307594413, https://leetcode.com/problems/merge-two-sorted-lists
679,24 Game,46.4%,Hard,0.7472144018302211, https://leetcode.com/problems/24-game
33,Search in Rotated Sorted Array,34.5%,Medium,0.7453822830055025, https://leetcode.com/problems/search-in-rotated-sorted-array
48,Rotate Image,56.7%,Medium,0.7295148247308202, https://leetcode.com/problems/rotate-image
450,Delete Node in a BST,43.1%,Medium,0.7190027298101302, https://leetcode.com/problems/delete-node-in-a-bst
75,Sort Colors,47.3%,Medium,0.7189622372679672, https://leetcode.com/problems/sort-colors
10,Regular Expression Matching,26.8%,Hard,0.7122566110595128, https://leetcode.com/problems/regular-expression-matching
224,Basic Calculator,36.8%,Hard,0.712035465080151, https://leetcode.com/problems/basic-calculator
232,Implement Queue using Stacks,49.6%,Easy,0.703271001559588, https://leetcode.com/problems/implement-queue-using-stacks
99,Recover Binary Search Tree,39.7%,Hard,0.686991511115002, https://leetcode.com/problems/recover-binary-search-tree
24,Swap Nodes in Pairs,50.4%,Medium,0.6806651721326015, https://leetcode.com/problems/swap-nodes-in-pairs
116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.679990315148951, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
1246,Palindrome Removal,46.0%,Hard,0.6794349186959634, https://leetcode.com/problems/palindrome-removal
419,Battleships in a Board,70.0%,Medium,0.6477023182379538, https://leetcode.com/problems/battleships-in-a-board
295,Find Median from Data Stream,44.3%,Hard,0.6439331977785325, https://leetcode.com/problems/find-median-from-data-stream
636,Exclusive Time of Functions,51.9%,Medium,0.6405393293662573, https://leetcode.com/problems/exclusive-time-of-functions
121,Best Time to Buy and Sell Stock,50.5%,Easy,0.6384433764330154, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
44,Wildcard Matching,24.7%,Hard,0.6328997728601021, https://leetcode.com/problems/wildcard-matching
134,Gas Station,38.5%,Medium,0.6268138366620403, https://leetcode.com/problems/gas-station
535,Encode and Decode TinyURL,79.9%,Medium,0.6249578446726771, https://leetcode.com/problems/encode-and-decode-tinyurl
706,Design HashMap,61.3%,Easy,0.6240595717322002, https://leetcode.com/problems/design-hashmap
4,Median of Two Sorted Arrays,29.6%,Hard,0.5997207275769595, https://leetcode.com/problems/median-of-two-sorted-arrays
105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.5948482012213536, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
17,Letter Combinations of a Phone Number,46.8%,Medium,0.5900144916124695, https://leetcode.com/problems/letter-combinations-of-a-phone-number
772,Basic Calculator III,41.3%,Hard,0.5881497072005337, https://leetcode.com/problems/basic-calculator-iii
564,Find the Closest Palindrome,19.7%,Hard,0.581921545449721, https://leetcode.com/problems/find-the-closest-palindrome
20,Valid Parentheses,39.0%,Easy,0.581252372040232, https://leetcode.com/problems/valid-parentheses
155,Min Stack,44.5%,Easy,0.5560563077098069, https://leetcode.com/problems/min-stack
36,Valid Sudoku,48.7%,Medium,0.5472335928516195, https://leetcode.com/problems/valid-sudoku
1156,Swap For Longest Repeated Character Substring,49.0%,Medium,0.538996500732687, https://leetcode.com/problems/swap-for-longest-repeated-character-substring
468,Validate IP Address,24.1%,Medium,0.5368011101692514, https://leetcode.com/problems/validate-ip-address
340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,0.5227814976619829, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
37,Sudoku Solver,43.6%,Hard,0.5078801135362339, https://leetcode.com/problems/sudoku-solver
470,Implement Rand10() Using Rand7(),46.3%,Medium,0.5035263212843791, https://leetcode.com/problems/implement-rand10-using-rand7
49,Group Anagrams,56.9%,Medium,0.49720300327737044, https://leetcode.com/problems/group-anagrams
3,Longest Substring Without Repeating Characters,30.4%,Medium,0.48411466774638867, https://leetcode.com/problems/longest-substring-without-repeating-characters
102,Binary Tree Level Order Traversal,54.6%,Medium,0.4800243438074503, https://leetcode.com/problems/binary-tree-level-order-traversal
836,Rectangle Overlap,48.6%,Easy,0.47817067841927885, https://leetcode.com/problems/rectangle-overlap
277,Find the Celebrity,41.8%,Medium,0.47648222098694015, https://leetcode.com/problems/find-the-celebrity
46,Permutations,63.5%,Medium,0.4752581007118412, https://leetcode.com/problems/permutations
510,Inorder Successor in BST II,58.0%,Medium,0.47332739722482975, https://leetcode.com/problems/inorder-successor-in-bst-ii
74,Search a 2D Matrix,36.5%,Medium,0.4704141503200286, https://leetcode.com/problems/search-a-2d-matrix
127,Word Ladder,29.6%,Medium,0.46981620538612967, https://leetcode.com/problems/word-ladder
56,Merge Intervals,39.3%,Medium,0.46243023294178986, https://leetcode.com/problems/merge-intervals
449,Serialize and Deserialize BST,52.0%,Medium,0.44971110343394827, https://leetcode.com/problems/serialize-and-deserialize-bst
85,Maximal Rectangle,37.7%,Hard,0.4492357711634929, https://leetcode.com/problems/maximal-rectangle
529,Minesweeper,59.1%,Medium,0.4410244101446512, https://leetcode.com/problems/minesweeper
642,Design Search Autocomplete System,44.7%,Hard,0.43349242036282026, https://leetcode.com/problems/design-search-autocomplete-system
168,Excel Sheet Column Title,31.1%,Easy,0.4248158924206701, https://leetcode.com/problems/excel-sheet-column-title
41,First Missing Positive,32.0%,Hard,0.4193575471092812, https://leetcode.com/problems/first-missing-positive
238,Product of Array Except Self,60.1%,Medium,0.4192516867747499, https://leetcode.com/problems/product-of-array-except-self
362,Design Hit Counter,63.7%,Medium,0.41908233979999515, https://leetcode.com/problems/design-hit-counter
460,LFU Cache,34.2%,Hard,0.40755934971127916, https://leetcode.com/problems/lfu-cache
225,Implement Stack using Queues,45.1%,Easy,0.4064316252700455, https://leetcode.com/problems/implement-stack-using-queues
124,Binary Tree Maximum Path Sum,34.3%,Hard,0.40588105265488916, https://leetcode.com/problems/binary-tree-maximum-path-sum
13,Roman to Integer,55.7%,Easy,0.40185220095239377, https://leetcode.com/problems/roman-to-integer
143,Reorder List,37.1%,Medium,0.40020962155920403, https://leetcode.com/problems/reorder-list
160,Intersection of Two Linked Lists,40.6%,Easy,0.39967513196999754, https://leetcode.com/problems/intersection-of-two-linked-lists
322,Coin Change,35.5%,Medium,0.39783122540141286, https://leetcode.com/problems/coin-change
767,Reorganize String,48.7%,Medium,0.3933437475758196, https://leetcode.com/problems/reorganize-string
173,Binary Search Tree Iterator,56.6%,Medium,0.3917309866483655, https://leetcode.com/problems/binary-search-tree-iterator
688,Knight Probability in Chessboard,48.9%,Medium,0.38977851194046487, https://leetcode.com/problems/knight-probability-in-chessboard
622,Design Circular Queue,43.8%,Medium,0.3784130987696834, https://leetcode.com/problems/design-circular-queue
73,Set Matrix Zeroes,43.1%,Medium,0.37193974948462943, https://leetcode.com/problems/set-matrix-zeroes
43,Multiply Strings,33.9%,Medium,0.3716744273234442, https://leetcode.com/problems/multiply-strings
239,Sliding Window Maximum,43.0%,Hard,0.3688526742838154, https://leetcode.com/problems/sliding-window-maximum
15,3Sum,26.8%,Medium,0.35870919705248033, https://leetcode.com/problems/3sum
179,Largest Number,28.8%,Medium,0.35230239652612316, https://leetcode.com/problems/largest-number
417,Pacific Atlantic Water Flow,41.1%,Medium,0.3513978868378886, https://leetcode.com/problems/pacific-atlantic-water-flow
1185,Day of the Week,64.0%,Easy,0.34898886906784754, https://leetcode.com/problems/day-of-the-week
380,Insert Delete GetRandom O(1),47.5%,Medium,0.348524374235988, https://leetcode.com/problems/insert-delete-getrandom-o1
935,Knight Dialer,45.2%,Medium,0.3429447511268304, https://leetcode.com/problems/knight-dialer
805,Split Array With Same Average,26.4%,Hard,0.3416302106614813, https://leetcode.com/problems/split-array-with-same-average
1044,Longest Duplicate Substring,31.9%,Hard,0.3378493311698002, https://leetcode.com/problems/longest-duplicate-substring
1236,Web Crawler,64.3%,Medium,0.33647223662121295, https://leetcode.com/problems/web-crawler
287,Find the Duplicate Number,55.5%,Medium,0.33544722224040363, https://leetcode.com/problems/find-the-duplicate-number
431,Encode N-ary Tree to Binary Tree,70.8%,Hard,0.3308542443169896, https://leetcode.com/problems/encode-n-ary-tree-to-binary-tree
269,Alien Dictionary,33.3%,Hard,0.32755550704550385, https://leetcode.com/problems/alien-dictionary
31,Next Permutation,32.6%,Medium,0.32533895514548333, https://leetcode.com/problems/next-permutation
227,Basic Calculator II,36.9%,Medium,0.320210254787433, https://leetcode.com/problems/basic-calculator-ii
92,Reverse Linked List II,38.8%,Medium,0.3201675275962693, https://leetcode.com/problems/reverse-linked-list-ii
79,Word Search,35.6%,Medium,0.31836284819083, https://leetcode.com/problems/word-search
234,Palindrome Linked List,39.3%,Easy,0.3133910057995738, https://leetcode.com/problems/palindrome-linked-list
346,Moving Average from Data Stream,70.9%,Easy,0.3081922191359908, https://leetcode.com/problems/moving-average-from-data-stream
76,Minimum Window Substring,34.6%,Hard,0.3013019791670516, https://leetcode.com/problems/minimum-window-substring
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
204,Count Primes,31.5%,Easy,0.29844719891360566, https://leetcode.com/problems/count-primes
117,Populating Next Right Pointers in Each Node II,39.1%,Medium,0.297513312140522, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
828,Count Unique Characters of All Substrings of a Given String,45.2%,Hard,0.2972515234679316, https://leetcode.com/problems/count-unique-characters-of-all-substrings-of-a-given-string
133,Clone Graph,34.8%,Medium,0.29652763874414756, https://leetcode.com/problems/clone-graph
68,Text Justification,27.7%,Hard,0.29518712556880805, https://leetcode.com/problems/text-justification
148,Sort List,42.3%,Medium,0.29330006475600423, https://leetcode.com/problems/sort-list
94,Binary Tree Inorder Traversal,63.3%,Medium,0.28973843425663137, https://leetcode.com/problems/binary-tree-inorder-traversal
128,Longest Consecutive Sequence,45.1%,Hard,0.28318230693481783, https://leetcode.com/problems/longest-consecutive-sequence
59,Spiral Matrix II,53.9%,Medium,0.2793907308110021, https://leetcode.com/problems/spiral-matrix-ii
141,Linked List Cycle,41.1%,Easy,0.27449284203401514, https://leetcode.com/problems/linked-list-cycle
528,Random Pick with Weight,43.9%,Medium,0.26434500315529863, https://leetcode.com/problems/random-pick-with-weight
426,Convert Binary Search Tree to Sorted Doubly Linked List,59.1%,Medium,0.2625527836498761, https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
556,Next Greater Element III,31.7%,Medium,0.2619035411237044, https://leetcode.com/problems/next-greater-element-iii
110,Balanced Binary Tree,43.5%,Easy,0.260789845727003, https://leetcode.com/problems/balanced-binary-tree
126,Word Ladder II,22.1%,Hard,0.25503976484865665, https://leetcode.com/problems/word-ladder-ii
139,Word Break,40.1%,Medium,0.24836185186023652, https://leetcode.com/problems/word-break
171,Excel Sheet Column Number,55.9%,Easy,0.24799403931375497, https://leetcode.com/problems/excel-sheet-column-number
39,Combination Sum,56.1%,Medium,0.2475495077466774, https://leetcode.com/problems/combination-sum
490,The Maze,51.4%,Medium,0.24202227192369596, https://leetcode.com/problems/the-maze
863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.24186418612910326, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
716,Max Stack,42.6%,Easy,0.24108416003009112, https://leetcode.com/problems/max-stack
692,Top K Frequent Words,51.8%,Medium,0.24027250894503516, https://leetcode.com/problems/top-k-frequent-words
266,Palindrome Permutation,61.9%,Easy,0.235382573048932, https://leetcode.com/problems/palindrome-permutation
344,Reverse String,68.5%,Easy,0.23528503471044915, https://leetcode.com/problems/reverse-string
917,Reverse Only Letters,58.0%,Easy,0.23240287672700652, https://leetcode.com/problems/reverse-only-letters
768,Max Chunks To Make Sorted II,48.7%,Hard,0.22767870647960103, https://leetcode.com/problems/max-chunks-to-make-sorted-ii
69,Sqrt(x),33.9%,Easy,0.22365492948950624, https://leetcode.com/problems/sqrtx
61,Rotate List,30.0%,Medium,0.2226446737782956, https://leetcode.com/problems/rotate-list
394,Decode String,50.0%,Medium,0.22158432076565618, https://leetcode.com/problems/decode-string
317,Shortest Distance from All Buildings,41.4%,Hard,0.21654542918153205, https://leetcode.com/problems/shortest-distance-from-all-buildings
560,Subarray Sum Equals K,43.9%,Medium,0.21610695147886494, https://leetcode.com/problems/subarray-sum-equals-k
457,Circular Array Loop,29.4%,Medium,0.21472498084861397, https://leetcode.com/problems/circular-array-loop
229,Majority Element II,35.6%,Medium,0.21162970925187066, https://leetcode.com/problems/majority-element-ii
208,Implement Trie (Prefix Tree),49.4%,Medium,0.20593713931590088, https://leetcode.com/problems/implement-trie-prefix-tree
149,Max Points on a Line,16.9%,Hard,0.20409535634351528, https://leetcode.com/problems/max-points-on-a-line
568,Maximum Vacation Days,40.8%,Hard,0.19966567025192705, https://leetcode.com/problems/maximum-vacation-days
1375,Bulb Switcher III,62.6%,Medium,0.19622624370172712, https://leetcode.com/problems/bulb-switcher-iii
153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.191995528322351, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
286,Walls and Gates,54.5%,Medium,0.19197498849459727, https://leetcode.com/problems/walls-and-gates
114,Flatten Binary Tree to Linked List,49.3%,Medium,0.19007687356143277, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
358,Rearrange String k Distance Apart,34.9%,Hard,0.19004360288786493, https://leetcode.com/problems/rearrange-string-k-distance-apart
695,Max Area of Island,62.7%,Medium,0.18587942901211874, https://leetcode.com/problems/max-area-of-island
72,Edit Distance,44.8%,Hard,0.18554648786569794, https://leetcode.com/problems/edit-distance
51,N-Queens,46.6%,Hard,0.18438554101480611, https://leetcode.com/problems/n-queens
71,Simplify Path,32.6%,Medium,0.18300438372386543, https://leetcode.com/problems/simplify-path
759,Employee Free Time,66.3%,Hard,0.1816986978513639, https://leetcode.com/problems/employee-free-time
189,Rotate Array,34.7%,Easy,0.18053653367040554, https://leetcode.com/problems/rotate-array
125,Valid Palindrome,36.7%,Easy,0.1785086666194453, https://leetcode.com/problems/valid-palindrome
45,Jump Game II,30.6%,Hard,0.1775138552258515, https://leetcode.com/problems/jump-game-ii
28,Implement strStr(),34.5%,Easy,0.17697342084154793, https://leetcode.com/problems/implement-strstr
773,Sliding Puzzle,59.3%,Hard,0.17627924233799203, https://leetcode.com/problems/sliding-puzzle
328,Odd Even Linked List,55.7%,Medium,0.17548836529558792, https://leetcode.com/problems/odd-even-linked-list
543,Diameter of Binary Tree,48.4%,Easy,0.1752254632195515, https://leetcode.com/problems/diameter-of-binary-tree
415,Add Strings,47.5%,Easy,0.17429245611868044, https://leetcode.com/problems/add-strings
135,Candy,31.6%,Hard,0.17296269248039503, https://leetcode.com/problems/candy
442,Find All Duplicates in an Array,67.8%,Medium,0.17219015650505717, https://leetcode.com/problems/find-all-duplicates-in-an-array
378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.17163465671022385, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
32,Longest Valid Parentheses,28.4%,Hard,0.17004204716389293, https://leetcode.com/problems/longest-valid-parentheses
516,Longest Palindromic Subsequence,53.2%,Medium,0.16913482985800482, https://leetcode.com/problems/longest-palindromic-subsequence
123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.16653125439681243, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
91,Decode Ways,24.7%,Medium,0.1664322442258041, https://leetcode.com/problems/decode-ways
242,Valid Anagram,56.9%,Easy,0.1620140669319784, https://leetcode.com/problems/valid-anagram
540,Single Element in a Sorted Array,57.9%,Medium,0.16091725953613234, https://leetcode.com/problems/single-element-in-a-sorted-array
150,Evaluate Reverse Polish Notation,36.3%,Medium,0.16073798512678014, https://leetcode.com/problems/evaluate-reverse-polish-notation
669,Trim a Binary Search Tree,63.0%,Easy,0.1603426500751794, https://leetcode.com/problems/trim-a-binary-search-tree
19,Remove Nth Node From End of List,35.2%,Medium,0.15983469543773265, https://leetcode.com/problems/remove-nth-node-from-end-of-list
727,Minimum Window Subsequence,41.8%,Hard,0.15970111035790735, https://leetcode.com/problems/minimum-window-subsequence
199,Binary Tree Right Side View,54.1%,Medium,0.15904374287529144, https://leetcode.com/problems/binary-tree-right-side-view
572,Subtree of Another Tree,44.1%,Easy,0.1554260466680471, https://leetcode.com/problems/subtree-of-another-tree
158,Read N Characters Given Read4 II - Call multiple times,33.8%,Hard,0.15348688956060175, https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
215,Kth Largest Element in an Array,55.4%,Medium,0.15289308167366858, https://leetcode.com/problems/kth-largest-element-in-an-array
314,Binary Tree Vertical Order Traversal,45.3%,Medium,0.15148600467306356, https://leetcode.com/problems/binary-tree-vertical-order-traversal
30,Substring with Concatenation of All Words,25.4%,Hard,0.1461170580676051, https://leetcode.com/problems/substring-with-concatenation-of-all-words
129,Sum Root to Leaf Numbers,49.1%,Medium,0.14587477052339856, https://leetcode.com/problems/sum-root-to-leaf-numbers
909,Snakes and Ladders,38.4%,Medium,0.14465605390747982, https://leetcode.com/problems/snakes-and-ladders
77,Combinations,54.7%,Medium,0.14385837161074141, https://leetcode.com/problems/combinations
207,Course Schedule,43.1%,Medium,0.1402270159030123, https://leetcode.com/problems/course-schedule
729,My Calendar I,51.8%,Medium,0.13838970177559895, https://leetcode.com/problems/my-calendar-i
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
1136,Parallel Courses,61.1%,Hard,0.13720112151348504, https://leetcode.com/problems/parallel-courses
412,Fizz Buzz,62.3%,Easy,0.135955636236029, https://leetcode.com/problems/fizz-buzz
26,Remove Duplicates from Sorted Array,45.1%,Easy,0.13201038687949407, https://leetcode.com/problems/remove-duplicates-from-sorted-array
333,Largest BST Subtree,35.8%,Medium,0.13138400282910845, https://leetcode.com/problems/largest-bst-subtree
63,Unique Paths II,34.6%,Medium,0.13103977657747026, https://leetcode.com/problems/unique-paths-ii
214,Shortest Palindrome,29.8%,Hard,0.13026519483790147, https://leetcode.com/problems/shortest-palindrome
384,Shuffle an Array,52.8%,Medium,0.12953764257899986, https://leetcode.com/problems/shuffle-an-array
958,Check Completeness of a Binary Tree,52.1%,Medium,0.12884496089089562, https://leetcode.com/problems/check-completeness-of-a-binary-tree
612,Shortest Distance in a Plane,59.5%,Medium,0.1271551754852466, https://leetcode.com/problems/shortest-distance-in-a-plane
567,Permutation in String,44.4%,Medium,0.1271102185315222, https://leetcode.com/problems/permutation-in-string
694,Number of Distinct Islands,56.0%,Medium,0.12516314295400602, https://leetcode.com/problems/number-of-distinct-islands
300,Longest Increasing Subsequence,42.6%,Medium,0.12395147349827965, https://leetcode.com/problems/longest-increasing-subsequence
683,K Empty Slots,35.6%,Hard,0.12247703235966204, https://leetcode.com/problems/k-empty-slots
315,Count of Smaller Numbers After Self,41.5%,Hard,0.12231037767091538, https://leetcode.com/problems/count-of-smaller-numbers-after-self
38,Count and Say,44.6%,Easy,0.11845964781974515, https://leetcode.com/problems/count-and-say
724,Find Pivot Index,44.0%,Easy,0.11824782767032843, https://leetcode.com/problems/find-pivot-index
332,Reconstruct Itinerary,36.7%,Medium,0.11747520126885172, https://leetcode.com/problems/reconstruct-itinerary
64,Minimum Path Sum,54.5%,Medium,0.1173048772402237, https://leetcode.com/problems/minimum-path-sum
268,Missing Number,51.7%,Easy,0.11538834636572094, https://leetcode.com/problems/missing-number
281,Zigzag Iterator,58.4%,Medium,0.11506932978478719, https://leetcode.com/problems/zigzag-iterator
308,Range Sum Query 2D - Mutable,35.6%,Hard,0.11441035117774422, https://leetcode.com/problems/range-sum-query-2d-mutable
708,Insert into a Sorted Circular Linked List,31.6%,Medium,0.11219725014953141, https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
655,Print Binary Tree,55.0%,Medium,0.11153609770197609, https://leetcode.com/problems/print-binary-tree
40,Combination Sum II,48.2%,Medium,0.11145356111123644, https://leetcode.com/problems/combination-sum-ii
1188,Design Bounded Blocking Queue,70.5%,Medium,0.11030454201470608, https://leetcode.com/problems/design-bounded-blocking-queue
681,Next Closest Time,45.0%,Medium,0.11013564249600598, https://leetcode.com/problems/next-closest-time
140,Word Break II,32.6%,Hard,0.10843250681427455, https://leetcode.com/problems/word-break-ii
518,Coin Change 2,50.2%,Medium,0.10746985577594965, https://leetcode.com/problems/coin-change-2
969,Pancake Sorting,67.5%,Medium,0.10724553035359762, https://leetcode.com/problems/pancake-sorting
108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.10686314554236129, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
407,Trapping Rain Water II,42.4%,Hard,0.10486899438963619, https://leetcode.com/problems/trapping-rain-water-ii
159,Longest Substring with At Most Two Distinct Characters,49.4%,Medium,0.10453372768183221, https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters
289,Game of Life,54.5%,Medium,0.10365526175211173, https://leetcode.com/problems/game-of-life
267,Palindrome Permutation II,36.4%,Medium,0.10345133738802471, https://leetcode.com/problems/palindrome-permutation-ii
523,Continuous Subarray Sum,24.6%,Medium,0.1016388887348317, https://leetcode.com/problems/continuous-subarray-sum
379,Design Phone Directory,46.8%,Medium,0.10135249426028749, https://leetcode.com/problems/design-phone-directory
979,Distribute Coins in Binary Tree,68.9%,Medium,0.10090468412429855, https://leetcode.com/problems/distribute-coins-in-binary-tree
142,Linked List Cycle II,37.3%,Medium,0.10019322804117618, https://leetcode.com/problems/linked-list-cycle-ii
387,First Unique Character in a String,53.4%,Easy,0.09971390202061521, https://leetcode.com/problems/first-unique-character-in-a-string
283,Move Zeroes,57.8%,Easy,0.09896140984010138, https://leetcode.com/problems/move-zeroes
84,Largest Rectangle in Histogram,35.2%,Hard,0.09762873497741681, https://leetcode.com/problems/largest-rectangle-in-histogram
83,Remove Duplicates from Sorted List,45.4%,Easy,0.0971047329502579, https://leetcode.com/problems/remove-duplicates-from-sorted-list
733,Flood Fill,55.3%,Easy,0.09669362480247104, https://leetcode.com/problems/flood-fill
280,Wiggle Sort,63.8%,Medium,0.09561417737468547, https://leetcode.com/problems/wiggle-sort
438,Find All Anagrams in a String,43.3%,Medium,0.09527308850408509, https://leetcode.com/problems/find-all-anagrams-in-a-string
493,Reverse Pairs,25.2%,Hard,0.09450889771017068, https://leetcode.com/problems/reverse-pairs
611,Valid Triangle Number,48.4%,Medium,0.09333193979221914, https://leetcode.com/problems/valid-triangle-number
662,Maximum Width of Binary Tree,41.0%,Medium,0.09316274664172107, https://leetcode.com/problems/maximum-width-of-binary-tree
1062,Longest Repeating Substring,57.2%,Medium,0.09201889872025212, https://leetcode.com/problems/longest-repeating-substring
381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.09106388892287375, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
252,Meeting Rooms,54.6%,Easy,0.09020195522698488, https://leetcode.com/problems/meeting-rooms
647,Palindromic Substrings,60.6%,Medium,0.08992575300574686, https://leetcode.com/problems/palindromic-substrings
1116,Print Zero Even Odd,56.0%,Medium,0.08934510033584994, https://leetcode.com/problems/print-zero-even-odd
652,Find Duplicate Subtrees,50.2%,Medium,0.08907963005368878, https://leetcode.com/problems/find-duplicate-subtrees
509,Fibonacci Number,67.2%,Easy,0.08383840268320984, https://leetcode.com/problems/fibonacci-number
939,Minimum Area Rectangle,51.8%,Medium,0.08361414004113359, https://leetcode.com/problems/minimum-area-rectangle
89,Gray Code,49.1%,Medium,0.08112554481236843, https://leetcode.com/problems/gray-code
354,Russian Doll Envelopes,35.6%,Hard,0.08025695513016742, https://leetcode.com/problems/russian-doll-envelopes
97,Interleaving String,31.5%,Hard,0.07948571541724253, https://leetcode.com/problems/interleaving-string
784,Letter Case Permutation,64.6%,Medium,0.0787033338274549, https://leetcode.com/problems/letter-case-permutation
1104,Path In Zigzag Labelled Binary Tree,72.0%,Medium,0.07786032177227234, https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree
341,Flatten Nested List Iterator,52.9%,Medium,0.07763353611776078, https://leetcode.com/problems/flatten-nested-list-iterator
210,Course Schedule II,40.7%,Medium,0.07762595476606639, https://leetcode.com/problems/course-schedule-ii
55,Jump Game,34.6%,Medium,0.07748307858552587, https://leetcode.com/problems/jump-game
162,Find Peak Element,43.3%,Medium,0.0751426333944982, https://leetcode.com/problems/find-peak-element
12,Integer to Roman,55.1%,Medium,0.07429157630369143, https://leetcode.com/problems/integer-to-roman
515,Find Largest Value in Each Tree Row,61.1%,Medium,0.07428007438287054, https://leetcode.com/problems/find-largest-value-in-each-tree-row
1079,Letter Tile Possibilities,75.4%,Medium,0.07350246199292652, https://leetcode.com/problems/letter-tile-possibilities
721,Accounts Merge,48.8%,Medium,0.07349495575336484, https://leetcode.com/problems/accounts-merge
503,Next Greater Element II,56.5%,Medium,0.07339377143296942, https://leetcode.com/problems/next-greater-element-ii
351,Android Unlock Patterns,48.4%,Medium,0.07197349962508924, https://leetcode.com/problems/android-unlock-patterns
271,Encode and Decode Strings,31.5%,Medium,0.07197349962508924, https://leetcode.com/problems/encode-and-decode-strings
290,Word Pattern,37.0%,Easy,0.071651050037288, https://leetcode.com/problems/word-pattern
81,Search in Rotated Sorted Array II,33.0%,Medium,0.07091146875905202, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.07082605256861242, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,0.070392125446596, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
347,Top K Frequent Elements,61.2%,Medium,0.07032016944224467, https://leetcode.com/problems/top-k-frequent-elements
676,Implement Magic Dictionary,54.5%,Medium,0.06995858860691037, https://leetcode.com/problems/implement-magic-dictionary
406,Queue Reconstruction by Height,66.9%,Medium,0.06917190648877243, https://leetcode.com/problems/queue-reconstruction-by-height
432,All O`one Data Structure,32.4%,Hard,0.06887402901251127, https://leetcode.com/problems/all-oone-data-structure
383,Ransom Note,53.1%,Easy,0.06869653128623486, https://leetcode.com/problems/ransom-note
284,Peeking Iterator,45.7%,Medium,0.06867686579621939, https://leetcode.com/problems/peeking-iterator
270,Closest Binary Search Tree Value,48.5%,Easy,0.06680279511160087, https://leetcode.com/problems/closest-binary-search-tree-value
1145,Binary Tree Coloring Game,51.2%,Medium,0.06592172080482424, https://leetcode.com/problems/binary-tree-coloring-game
7,Reverse Integer,25.8%,Easy,0.06491395714978664, https://leetcode.com/problems/reverse-integer
658,Find K Closest Elements,40.9%,Medium,0.06485254217956125, https://leetcode.com/problems/find-k-closest-elements
769,Max Chunks To Make Sorted,54.8%,Medium,0.06474752939415815, https://leetcode.com/problems/max-chunks-to-make-sorted
174,Dungeon Game,32.3%,Hard,0.06367072323433676, https://leetcode.com/problems/dungeon-game
147,Insertion Sort List,41.1%,Medium,0.06340151135049601, https://leetcode.com/problems/insertion-sort-list
397,Integer Replacement,32.9%,Medium,0.06331227941432688, https://leetcode.com/problems/integer-replacement
86,Partition List,41.5%,Medium,0.06170036851169576, https://leetcode.com/problems/partition-list
739,Daily Temperatures,63.3%,Medium,0.06111383323222972, https://leetcode.com/problems/daily-temperatures
701,Insert into a Binary Search Tree,77.7%,Medium,0.06069363413516112, https://leetcode.com/problems/insert-into-a-binary-search-tree
11,Container With Most Water,50.8%,Medium,0.060358007567261264, https://leetcode.com/problems/container-with-most-water
305,Number of Islands II,40.1%,Hard,0.06007812394328337, https://leetcode.com/problems/number-of-islands-ii
796,Rotate String,49.6%,Easy,0.059778751425839334, https://leetcode.com/problems/rotate-string
118,Pascal's Triangle,52.5%,Easy,0.05916940920826907, https://leetcode.com/problems/pascals-triangle
630,Course Schedule III,33.5%,Hard,0.058581901624802396, https://leetcode.com/problems/course-schedule-iii
198,House Robber,42.0%,Easy,0.05849085907372723, https://leetcode.com/problems/house-robber
78,Subsets,62.0%,Medium,0.05743033072740612, https://leetcode.com/problems/subsets
403,Frog Jump,39.7%,Hard,0.05741372523004705, https://leetcode.com/problems/frog-jump
621,Task Scheduler,50.1%,Medium,0.05695976044875415, https://leetcode.com/problems/task-scheduler
950,Reveal Cards In Increasing Order,74.6%,Medium,0.056592185311170023, https://leetcode.com/problems/reveal-cards-in-increasing-order
109,Convert Sorted List to Binary Search Tree,47.7%,Medium,0.05655216950492122, https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.05637058926920947, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
653,Two Sum IV - Input is a BST,55.5%,Easy,0.055724721838100025, https://leetcode.com/problems/two-sum-iv-input-is-a-bst
230,Kth Smallest Element in a BST,60.2%,Medium,0.055629976214953934, https://leetcode.com/problems/kth-smallest-element-in-a-bst
62,Unique Paths,54.1%,Medium,0.055187969852649885, https://leetcode.com/problems/unique-paths
304,Range Sum Query 2D - Immutable,38.6%,Medium,0.054527987071175225, https://leetcode.com/problems/range-sum-query-2d-immutable
703,Kth Largest Element in a Stream,49.7%,Easy,0.054472280837981495, https://leetcode.com/problems/kth-largest-element-in-a-stream
1229,Meeting Scheduler,52.7%,Medium,0.053560323833736816, https://leetcode.com/problems/meeting-scheduler
101,Symmetric Tree,46.8%,Easy,0.05314658664103646, https://leetcode.com/problems/symmetric-tree
70,Climbing Stairs,47.8%,Easy,0.05292045608536146, https://leetcode.com/problems/climbing-stairs
329,Longest Increasing Path in a Matrix,43.4%,Hard,0.052557250738676044, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.05236798551731598, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
57,Insert Interval,33.5%,Hard,0.05147485598282032, https://leetcode.com/problems/insert-interval
209,Minimum Size Subarray Sum,38.2%,Medium,0.05146227039335983, https://leetcode.com/problems/minimum-size-subarray-sum
65,Valid Number,15.3%,Hard,0.05071509257901641, https://leetcode.com/problems/valid-number
216,Combination Sum III,56.6%,Medium,0.05017774958571902, https://leetcode.com/problems/combination-sum-iii
981,Time Based Key-Value Store,53.1%,Medium,0.049406315387071284, https://leetcode.com/problems/time-based-key-value-store
167,Two Sum II - Input array is sorted,54.1%,Easy,0.04850742103311059, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
405,Convert a Number to Hexadecimal,43.9%,Easy,0.0483770263821056, https://leetcode.com/problems/convert-a-number-to-hexadecimal
547,Friend Circles,58.6%,Medium,0.04804286211474039, https://leetcode.com/problems/friend-circles
845,Longest Mountain in Array,37.2%,Medium,0.047458490406358134, https://leetcode.com/problems/longest-mountain-in-array
698,Partition to K Equal Sum Subsets,45.0%,Medium,0.04685917114094188, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
876,Middle of the Linked List,68.4%,Easy,0.046728740327781716, https://leetcode.com/problems/middle-of-the-linked-list
223,Rectangle Area,37.8%,Medium,0.04598511324182338, https://leetcode.com/problems/rectangle-area
843,Guess the Word,46.1%,Hard,0.045462374076757336, https://leetcode.com/problems/guess-the-word
205,Isomorphic Strings,39.8%,Easy,0.045397866271290506, https://leetcode.com/problems/isomorphic-strings
609,Find Duplicate File in System,59.5%,Medium,0.045205436768046794, https://leetcode.com/problems/find-duplicate-file-in-system
325,Maximum Size Subarray Sum Equals k,46.8%,Medium,0.04495138786226632, https://leetcode.com/problems/maximum-size-subarray-sum-equals-k
680,Valid Palindrome II,36.6%,Easy,0.04470617503841694, https://leetcode.com/problems/valid-palindrome-ii
489,Robot Room Cleaner,69.7%,Hard,0.04460047988428181, https://leetcode.com/problems/robot-room-cleaner
349,Intersection of Two Arrays,62.5%,Easy,0.04447549064708117, https://leetcode.com/problems/intersection-of-two-arrays
895,Maximum Frequency Stack,60.6%,Hard,0.04329680575332419, https://leetcode.com/problems/maximum-frequency-stack
448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.04214343508255059, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
532,K-diff Pairs in an Array,31.6%,Easy,0.041672696400568025, https://leetcode.com/problems/k-diff-pairs-in-an-array
430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,0.04154283751370906, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
844,Backspace String Compare,46.4%,Easy,0.041499730906752734, https://leetcode.com/problems/backspace-string-compare
1004,Max Consecutive Ones III,59.1%,Medium,0.041252411938220004, https://leetcode.com/problems/max-consecutive-ones-iii
243,Shortest Word Distance,61.0%,Easy,0.040780370344928096, https://leetcode.com/problems/shortest-word-distance
907,Sum of Subarray Minimums,32.3%,Medium,0.04069737616380998, https://leetcode.com/problems/sum-of-subarray-minimums
819,Most Common Word,44.8%,Easy,0.0404606389166018, https://leetcode.com/problems/most-common-word
833,Find And Replace in String,50.4%,Medium,0.03984590854719967, https://leetcode.com/problems/find-and-replace-in-string
788,Rotated Digits,57.1%,Easy,0.03980625040041967, https://leetcode.com/problems/rotated-digits
256,Paint House,52.1%,Easy,0.03937516523483013, https://leetcode.com/problems/paint-house
872,Leaf-Similar Trees,64.5%,Easy,0.03899974309382511, https://leetcode.com/problems/leaf-similar-trees
18,4Sum,33.7%,Medium,0.03880215185647971, https://leetcode.com/problems/4sum
113,Path Sum II,46.7%,Medium,0.03857758982167768, https://leetcode.com/problems/path-sum-ii
1381,Design a Stack With Increment Operation,74.7%,Medium,0.038355612390321446, https://leetcode.com/problems/design-a-stack-with-increment-operation
34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.03759448672488506, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
643,Maximum Average Subarray I,41.5%,Easy,0.03683657735649026, https://leetcode.com/problems/maximum-average-subarray-i
887,Super Egg Drop,27.1%,Hard,0.03660060864484636, https://leetcode.com/problems/super-egg-drop
884,Uncommon Words from Two Sentences,63.3%,Easy,0.036301626676214796, https://leetcode.com/problems/uncommon-words-from-two-sentences
161,One Edit Distance,32.3%,Medium,0.03626870773745257, https://leetcode.com/problems/one-edit-distance
934,Shortest Bridge,48.2%,Medium,0.03607244121670154, https://leetcode.com/problems/shortest-bridge
973,K Closest Points to Origin,63.8%,Medium,0.035550452059401896, https://leetcode.com/problems/k-closest-points-to-origin
1304,Find N Unique Integers Sum up to Zero,76.3%,Easy,0.035408891906255915, https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
1143,Longest Common Subsequence,58.4%,Medium,0.03488472325916733, https://leetcode.com/problems/longest-common-subsequence
152,Maximum Product Subarray,31.7%,Medium,0.034438665054543384, https://leetcode.com/problems/maximum-product-subarray
416,Partition Equal Subset Sum,43.7%,Medium,0.034301326353463016, https://leetcode.com/problems/partition-equal-subset-sum
480,Sliding Window Median,37.2%,Hard,0.03373001037669306, https://leetcode.com/problems/sliding-window-median
104,Maximum Depth of Binary Tree,66.0%,Easy,0.03362699323605452, https://leetcode.com/problems/maximum-depth-of-binary-tree
707,Design Linked List,24.5%,Medium,0.03356019649230184, https://leetcode.com/problems/design-linked-list
832,Flipping an Image,76.2%,Easy,0.03267078228954871, https://leetcode.com/problems/flipping-an-image
237,Delete Node in a Linked List,63.8%,Easy,0.031728549820175866, https://leetcode.com/problems/delete-node-in-a-linked-list
1091,Shortest Path in Binary Matrix,38.2%,Medium,0.03164821095078173, https://leetcode.com/problems/shortest-path-in-binary-matrix
228,Summary Ranges,39.5%,Medium,0.03157326191609021, https://leetcode.com/problems/summary-ranges
187,Repeated DNA Sequences,38.9%,Medium,0.03147388037973136, https://leetcode.com/problems/repeated-dna-sequences
323,Number of Connected Components in an Undirected Graph,56.0%,Medium,0.031399753867979864, https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
867,Transpose Matrix,62.8%,Easy,0.031179454774354007, https://leetcode.com/problems/transpose-matrix
131,Palindrome Partitioning,47.5%,Medium,0.03101558050692165, https://leetcode.com/problems/palindrome-partitioning
575,Distribute Candies,61.4%,Easy,0.030890487019338404, https://leetcode.com/problems/distribute-candies
6,ZigZag Conversion,36.3%,Medium,0.03049597862981453, https://leetcode.com/problems/zigzag-conversion
316,Remove Duplicate Letters,35.8%,Hard,0.030443751414723153, https://leetcode.com/problems/remove-duplicate-letters
1027,Longest Arithmetic Sequence,53.4%,Medium,0.03030534949532895, https://leetcode.com/problems/longest-arithmetic-sequence
994,Rotting Oranges,49.2%,Medium,0.030179582027776965, https://leetcode.com/problems/rotting-oranges
16,3Sum Closest,46.0%,Medium,0.02976964023166436, https://leetcode.com/problems/3sum-closest
1197,Minimum Knight Moves,36.1%,Medium,0.02969780239174205, https://leetcode.com/problems/minimum-knight-moves
671,Second Minimum Node In a Binary Tree,42.7%,Easy,0.02958795718549609, https://leetcode.com/problems/second-minimum-node-in-a-binary-tree
14,Longest Common Prefix,35.4%,Easy,0.029493413243583278, https://leetcode.com/problems/longest-common-prefix
169,Majority Element,58.7%,Easy,0.02905829743134675, https://leetcode.com/problems/majority-element
82,Remove Duplicates from Sorted List II,36.8%,Medium,0.028950236662501776, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
413,Arithmetic Slices,57.9%,Medium,0.028431197162004825, https://leetcode.com/problems/arithmetic-slices
852,Peak Index in a Mountain Array,71.6%,Easy,0.02817087696669632, https://leetcode.com/problems/peak-index-in-a-mountain-array
311,Sparse Matrix Multiplication,61.9%,Medium,0.027702602549335792, https://leetcode.com/problems/sparse-matrix-multiplication
472,Concatenated Words,43.7%,Hard,0.027664281472355556, https://leetcode.com/problems/concatenated-words
498,Diagonal Traverse,48.2%,Medium,0.02756894104498661, https://leetcode.com/problems/diagonal-traverse
172,Factorial Trailing Zeroes,37.8%,Easy,0.02752467339009002, https://leetcode.com/problems/factorial-trailing-zeroes
29,Divide Two Integers,16.4%,Medium,0.026820246545985277, https://leetcode.com/problems/divide-two-integers
373,Find K Pairs with Smallest Sums,36.7%,Medium,0.02626546261018635, https://leetcode.com/problems/find-k-pairs-with-smallest-sums
541,Reverse String II,48.4%,Easy,0.025349899895526405, https://leetcode.com/problems/reverse-string-ii
717,1-bit and 2-bit Characters,48.8%,Easy,0.025269822188076344, https://leetcode.com/problems/1-bit-and-2-bit-characters
785,Is Graph Bipartite?,47.5%,Medium,0.02510592113107633, https://leetcode.com/problems/is-graph-bipartite
220,Contains Duplicate III,20.9%,Medium,0.024876904755404577, https://leetcode.com/problems/contains-duplicate-iii
202,Happy Number,50.4%,Easy,0.02483442856330386, https://leetcode.com/problems/happy-number
735,Asteroid Collision,41.0%,Medium,0.024723138086794758, https://leetcode.com/problems/asteroid-collision
977,Squares of a Sorted Array,72.1%,Easy,0.02407434514623628, https://leetcode.com/problems/squares-of-a-sorted-array
704,Binary Search,52.1%,Easy,0.02368531774150923, https://leetcode.com/problems/binary-search
282,Expression Add Operators,35.5%,Hard,0.022523474667082946, https://leetcode.com/problems/expression-add-operators
221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
226,Invert Binary Tree,65.0%,Easy,0.021852822620514783, https://leetcode.com/problems/invert-binary-tree
112,Path Sum,41.2%,Easy,0.021701651897460775, https://leetcode.com/problems/path-sum
905,Sort Array By Parity,74.1%,Easy,0.02148053951675942, https://leetcode.com/problems/sort-array-by-parity
459,Repeated Substring Pattern,42.2%,Easy,0.021402636114384706, https://leetcode.com/problems/repeated-substring-pattern
359,Logger Rate Limiter,70.8%,Easy,0.021053409197832343, https://leetcode.com/problems/logger-rate-limiter
670,Maximum Swap,43.6%,Medium,0.020844944430365928, https://leetcode.com/problems/maximum-swap
350,Intersection of Two Arrays II,51.4%,Easy,0.020680587107206983, https://leetcode.com/problems/intersection-of-two-arrays-ii
60,Permutation Sequence,38.4%,Hard,0.020471543980187256, https://leetcode.com/problems/permutation-sequence
166,Fraction to Recurring Decimal,21.6%,Medium,0.02015181543730795, https://leetcode.com/problems/fraction-to-recurring-decimal
525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
1122,Relative Sort Array,67.7%,Easy,0.019685675071030327, https://leetcode.com/problems/relative-sort-array
435,Non-overlapping Intervals,42.9%,Medium,0.019455866615365896, https://leetcode.com/problems/non-overlapping-intervals
399,Evaluate Division,51.6%,Medium,0.019380451549662482, https://leetcode.com/problems/evaluate-division
674,Longest Continuous Increasing Subsequence,45.9%,Easy,0.01900294712561538, https://leetcode.com/problems/longest-continuous-increasing-subsequence
1155,Number of Dice Rolls With Target Sum,49.0%,Medium,0.018904154639152678, https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
9,Palindrome Number,48.4%,Easy,0.018837205580381582, https://leetcode.com/problems/palindrome-number
787,Cheapest Flights Within K Stops,39.3%,Medium,0.018824085245635554, https://leetcode.com/problems/cheapest-flights-within-k-stops
1008,Construct Binary Search Tree from Preorder Traversal,78.4%,Medium,0.01844220088035248, https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal
136,Single Number,65.5%,Easy,0.017801666336826266, https://leetcode.com/problems/single-number
993,Cousins in Binary Tree,52.0%,Easy,0.017414458368636587, https://leetcode.com/problems/cousins-in-binary-tree
95,Unique Binary Search Trees II,40.6%,Medium,0.016856699181010838, https://leetcode.com/problems/unique-binary-search-trees-ii
191,Number of 1 Bits,49.8%,Easy,0.01673523624045844, https://leetcode.com/problems/number-of-1-bits
176,Second Highest Salary,31.6%,Easy,0.01655971603901838, https://leetcode.com/problems/second-highest-salary
299,Bulls and Cows,42.4%,Easy,0.016227536621756702, https://leetcode.com/problems/bulls-and-cows
938,Range Sum of BST,81.3%,Easy,0.015707129205357877, https://leetcode.com/problems/range-sum-of-bst
929,Unique Email Addresses,67.4%,Easy,0.01514033463141179, https://leetcode.com/problems/unique-email-addresses
217,Contains Duplicate,56.0%,Easy,0.015106027431013205, https://leetcode.com/problems/contains-duplicate
367,Valid Perfect Square,41.7%,Easy,0.014992784586141334, https://leetcode.com/problems/valid-perfect-square
106,Construct Binary Tree from Inorder and Postorder Traversal,47.2%,Medium,0.014538520789527288, https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
107,Binary Tree Level Order Traversal II,53.5%,Easy,0.014395642075089957, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
222,Count Complete Tree Nodes,46.8%,Medium,0.014015646388344492, https://leetcode.com/problems/count-complete-tree-nodes
144,Binary Tree Preorder Traversal,55.7%,Medium,0.013667638728663807, https://leetcode.com/problems/binary-tree-preorder-traversal
1192,Critical Connections in a Network,48.6%,Hard,0.01352742981715631, https://leetcode.com/problems/critical-connections-in-a-network
303,Range Sum Query - Immutable,44.7%,Easy,0.013240842236997532, https://leetcode.com/problems/range-sum-query-immutable
120,Triangle,44.2%,Medium,0.013236460625830901, https://leetcode.com/problems/triangle
496,Next Greater Element I,63.8%,Easy,0.013201511858535894, https://leetcode.com/problems/next-greater-element-i
219,Contains Duplicate II,37.7%,Easy,0.01276748910345265, https://leetcode.com/problems/contains-duplicate-ii
743,Network Delay Time,45.0%,Medium,0.012743084194281933, https://leetcode.com/problems/network-delay-time
213,House Robber II,36.5%,Medium,0.012654392210497564, https://leetcode.com/problems/house-robber-ii
50,Pow(x;n),30.3%,Medium,0.01254502984008178, https://leetcode.com/problems/powx-n
437,Path Sum III,47.2%,Medium,0.012128711446614806, https://leetcode.com/problems/path-sum-iii
278,First Bad Version,35.7%,Easy,0.012090421323816148, https://leetcode.com/problems/first-bad-version
90,Subsets II,47.1%,Medium,0.011412392051744769, https://leetcode.com/problems/subsets-ii
494,Target Sum,46.3%,Medium,0.011062059705858562, https://leetcode.com/problems/target-sum
463,Island Perimeter,65.7%,Easy,0.010935046086198837, https://leetcode.com/problems/island-perimeter
338,Counting Bits,69.5%,Medium,0.01088446119842327, https://leetcode.com/problems/counting-bits
257,Binary Tree Paths,51.5%,Easy,0.010457611643958139, https://leetcode.com/problems/binary-tree-paths
211,Add and Search Word - Data structure design,38.1%,Medium,0.010438508143923443, https://leetcode.com/problems/add-and-search-word-data-structure-design
35,Search Insert Position,42.6%,Easy,0.010425207359624364, https://leetcode.com/problems/search-insert-position
414,Third Maximum Number,30.5%,Easy,0.010357420400453607, https://leetcode.com/problems/third-maximum-number
231,Power of Two,43.7%,Easy,0.0097371752778583, https://leetcode.com/problems/power-of-two
47,Permutations II,46.4%,Medium,0.009673594178378379, https://leetcode.com/problems/permutations-ii
96,Unique Binary Search Trees,52.9%,Medium,0.009242209964820877, https://leetcode.com/problems/unique-binary-search-trees
279,Perfect Squares,47.4%,Medium,0.009216655104924008, https://leetcode.com/problems/perfect-squares
1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,0.009195467093100304, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
953,Verifying an Alien Dictionary,54.1%,Easy,0.007884921592696038, https://leetcode.com/problems/verifying-an-alien-dictionary
111,Minimum Depth of Binary Tree,37.4%,Easy,0.0066203485760693214, https://leetcode.com/problems/minimum-depth-of-binary-tree
100,Same Tree,53.4%,Easy,0.005620163024677507, https://leetcode.com/problems/same-tree
485,Max Consecutive Ones,54.6%,Easy,0.005314920829289628, https://leetcode.com/problems/max-consecutive-ones
1470,Shuffle the Array,88.9%,Easy,0.004527967890154029, https://leetcode.com/problems/shuffle-the-array
27,Remove Element,48.2%,Easy,0.0035524016043678225, https://leetcode.com/problems/remove-element
1344,Angle Between Hands of a Clock,61.4%,Medium,0.0019544616795205403, https://leetcode.com/problems/angle-between-hands-of-a-clock
67,Add Binary,45.2%,Easy,0.0016620272243229827, https://leetcode.com/problems/add-binary
203,Remove Linked List Elements,38.6%,Easy,0.0016237064659255223, https://leetcode.com/problems/remove-linked-list-elements
1 146 ID LRU Cache Title 33.2% Acceptance Medium Difficulty 1.9068942851168293 Frequency https://leetcode.com/problems/lru-cache Leetcode Question Link
2 138 146 Copy List with Random Pointer LRU Cache 36.4% 33.2% Medium Medium 1.839296369281829 1.9068942851168293 https://leetcode.com/problems/copy-list-with-random-pointer https://leetcode.com/problems/lru-cache
3 348 138 Design Tic-Tac-Toe Copy List with Random Pointer 54.3% 36.4% Medium Medium 1.7622511751629417 1.839296369281829 https://leetcode.com/problems/design-tic-tac-toe https://leetcode.com/problems/copy-list-with-random-pointer
4 1239 348 Maximum Length of a Concatenated String with Unique Characters Design Tic-Tac-Toe 47.8% 54.3% Medium Medium 1.6852059810440545 1.7622511751629417 https://leetcode.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters https://leetcode.com/problems/design-tic-tac-toe
5 273 1239 Integer to English Words Maximum Length of a Concatenated String with Unique Characters 27.1% 47.8% Hard Medium 1.6081607869251673 1.6852059810440545 https://leetcode.com/problems/integer-to-english-words https://leetcode.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters
6 1 273 Two Sum Integer to English Words 45.6% 27.1% Easy Hard 1.5833715306321339 1.6081607869251673 https://leetcode.com/problems/two-sum https://leetcode.com/problems/integer-to-english-words
7 794 1 Valid Tic-Tac-Toe State Two Sum 32.6% 45.6% Medium Easy 1.549767336843805 1.5833715306321339 https://leetcode.com/problems/valid-tic-tac-toe-state https://leetcode.com/problems/two-sum
8 54 794 Spiral Matrix Valid Tic-Tac-Toe State 34.1% 32.6% Medium Medium 1.5277031487259203 1.549767336843805 https://leetcode.com/problems/spiral-matrix https://leetcode.com/problems/valid-tic-tac-toe-state
9 165 54 Compare Version Numbers Spiral Matrix 27.4% 34.1% Medium Medium 1.450657954607033 1.5277031487259203 https://leetcode.com/problems/compare-version-numbers https://leetcode.com/problems/spiral-matrix
10 428 165 Serialize and Deserialize N-ary Tree Compare Version Numbers 59.4% 27.4% Hard Medium 1.39256021863239 1.450657954607033 https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree https://leetcode.com/problems/compare-version-numbers
11 445 428 Add Two Numbers II Serialize and Deserialize N-ary Tree 54.5% 59.4% Medium Hard 1.3627396299910237 1.39256021863239 https://leetcode.com/problems/add-two-numbers-ii https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
12 42 445 Trapping Rain Water Add Two Numbers II 48.9% 54.5% Hard Medium 1.2856944358721365 1.3627396299910237 https://leetcode.com/problems/trapping-rain-water https://leetcode.com/problems/add-two-numbers-ii
13 200 42 Number of Islands Trapping Rain Water 46.8% 48.9% Medium Hard 1.282195127879335 1.2856944358721365 https://leetcode.com/problems/number-of-islands https://leetcode.com/problems/trapping-rain-water
14 253 200 Meeting Rooms II Number of Islands 45.7% 46.8% Medium Medium 1.2072729703046439 1.282195127879335 https://leetcode.com/problems/meeting-rooms-ii https://leetcode.com/problems/number-of-islands
15 5 253 Longest Palindromic Substring Meeting Rooms II 29.5% 45.7% Medium Medium 1.2049820501287227 1.2072729703046439 https://leetcode.com/problems/longest-palindromic-substring https://leetcode.com/problems/meeting-rooms-ii
16 186 5 Reverse Words in a String II Longest Palindromic Substring 43.3% 29.5% Medium Medium 1.161526114078679 1.2049820501287227 https://leetcode.com/problems/reverse-words-in-a-string-ii https://leetcode.com/problems/longest-palindromic-substring
17 297 186 Serialize and Deserialize Binary Tree Reverse Words in a String II 47.5% 43.3% Hard Medium 1.155330001457385 1.161526114078679 https://leetcode.com/problems/serialize-and-deserialize-binary-tree https://leetcode.com/problems/reverse-words-in-a-string-ii
18 545 297 Boundary of Binary Tree Serialize and Deserialize Binary Tree 38.9% 47.5% Medium Hard 1.1251501588677701 1.155330001457385 https://leetcode.com/problems/boundary-of-binary-tree https://leetcode.com/problems/serialize-and-deserialize-binary-tree
19 443 545 String Compression Boundary of Binary Tree 41.3% 38.9% Easy Medium 1.048104964748883 1.1251501588677701 https://leetcode.com/problems/string-compression https://leetcode.com/problems/boundary-of-binary-tree
20 23 443 Merge k Sorted Lists String Compression 40.2% 41.3% Hard Easy 1.0261554494754497 1.048104964748883 https://leetcode.com/problems/merge-k-sorted-lists https://leetcode.com/problems/string-compression
21 25 23 Reverse Nodes in k-Group Merge k Sorted Lists 42.1% 40.2% Hard Hard 1.0060099268822469 1.0261554494754497 https://leetcode.com/problems/reverse-nodes-in-k-group https://leetcode.com/problems/merge-k-sorted-lists
22 402 25 Remove K Digits Reverse Nodes in k-Group 28.4% 42.1% Medium Hard 0.993503693908454 1.0060099268822469 https://leetcode.com/problems/remove-k-digits https://leetcode.com/problems/reverse-nodes-in-k-group
23 88 402 Merge Sorted Array Remove K Digits 39.4% 28.4% Easy Medium 0.9801695539990253 0.993503693908454 https://leetcode.com/problems/merge-sorted-array https://leetcode.com/problems/remove-k-digits
24 98 88 Validate Binary Search Tree Merge Sorted Array 27.8% 39.4% Medium Easy 0.9662594465630313 0.9801695539990253 https://leetcode.com/problems/validate-binary-search-tree https://leetcode.com/problems/merge-sorted-array
25 151 98 Reverse Words in a String Validate Binary Search Tree 21.9% 27.8% Medium Medium 0.946093007208271 0.9662594465630313 https://leetcode.com/problems/reverse-words-in-a-string https://leetcode.com/problems/validate-binary-search-tree
26 557 151 Reverse Words in a String III Reverse Words in a String 69.8% 21.9% Easy Medium 0.9259911966439747 0.946093007208271 https://leetcode.com/problems/reverse-words-in-a-string-iii https://leetcode.com/problems/reverse-words-in-a-string
27 240 557 Search a 2D Matrix II Reverse Words in a String III 43.2% 69.8% Medium Easy 0.9130504736307608 0.9259911966439747 https://leetcode.com/problems/search-a-2d-matrix-ii https://leetcode.com/problems/reverse-words-in-a-string-iii
28 2 240 Add Two Numbers Search a 2D Matrix II 33.9% 43.2% Medium Medium 0.9045266903158492 0.9130504736307608 https://leetcode.com/problems/add-two-numbers https://leetcode.com/problems/search-a-2d-matrix-ii
29 218 2 The Skyline Problem Add Two Numbers 34.6% 33.9% Hard Medium 0.8967461358011848 0.9045266903158492 https://leetcode.com/problems/the-skyline-problem https://leetcode.com/problems/add-two-numbers
30 285 218 Inorder Successor in BST The Skyline Problem 40.4% 34.6% Medium Hard 0.8942541034317931 0.8967461358011848 https://leetcode.com/problems/inorder-successor-in-bst https://leetcode.com/problems/the-skyline-problem
31 103 285 Binary Tree Zigzag Level Order Traversal Inorder Successor in BST 48.3% 40.4% Medium Medium 0.8911932153659692 0.8942541034317931 https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal https://leetcode.com/problems/inorder-successor-in-bst
32 22 103 Generate Parentheses Binary Tree Zigzag Level Order Traversal 62.7% 48.3% Medium Medium 0.8821480129478173 0.8911932153659692 https://leetcode.com/problems/generate-parentheses https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
33 53 22 Maximum Subarray Generate Parentheses 46.5% 62.7% Easy Medium 0.8799062141955307 0.8821480129478173 https://leetcode.com/problems/maximum-subarray https://leetcode.com/problems/generate-parentheses
34 8 53 String to Integer (atoi) Maximum Subarray 15.4% 46.5% Medium Easy 0.8636115676315972 0.8799062141955307 https://leetcode.com/problems/string-to-integer-atoi https://leetcode.com/problems/maximum-subarray
35 93 8 Restore IP Addresses String to Integer (atoi) 35.6% 15.4% Medium Medium 0.8230542487772108 0.8636115676315972 https://leetcode.com/problems/restore-ip-addresses https://leetcode.com/problems/string-to-integer-atoi
36 722 93 Remove Comments Restore IP Addresses 34.6% 35.6% Medium Medium 0.8109302162163288 0.8230542487772108 https://leetcode.com/problems/remove-comments https://leetcode.com/problems/restore-ip-addresses
37 206 722 Reverse Linked List Remove Comments 62.5% 34.6% Easy Medium 0.8061359210393346 0.8109302162163288 https://leetcode.com/problems/reverse-linked-list https://leetcode.com/problems/remove-comments
38 236 206 Lowest Common Ancestor of a Binary Tree Reverse Linked List 45.7% 62.5% Medium Easy 0.7928508522150108 0.8061359210393346 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree https://leetcode.com/problems/reverse-linked-list
39 212 236 Word Search II Lowest Common Ancestor of a Binary Tree 34.9% 45.7% Hard Medium 0.7871523471289301 0.7928508522150108 https://leetcode.com/problems/word-search-ii https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
40 21 212 Merge Two Sorted Lists Word Search II 53.5% 34.9% Easy Hard 0.7621927307594413 0.7871523471289301 https://leetcode.com/problems/merge-two-sorted-lists https://leetcode.com/problems/word-search-ii
41 679 21 24 Game Merge Two Sorted Lists 46.4% 53.5% Hard Easy 0.7472144018302211 0.7621927307594413 https://leetcode.com/problems/24-game https://leetcode.com/problems/merge-two-sorted-lists
42 33 679 Search in Rotated Sorted Array 24 Game 34.5% 46.4% Medium Hard 0.7453822830055025 0.7472144018302211 https://leetcode.com/problems/search-in-rotated-sorted-array https://leetcode.com/problems/24-game
43 48 33 Rotate Image Search in Rotated Sorted Array 56.7% 34.5% Medium Medium 0.7295148247308202 0.7453822830055025 https://leetcode.com/problems/rotate-image https://leetcode.com/problems/search-in-rotated-sorted-array
44 450 48 Delete Node in a BST Rotate Image 43.1% 56.7% Medium Medium 0.7190027298101302 0.7295148247308202 https://leetcode.com/problems/delete-node-in-a-bst https://leetcode.com/problems/rotate-image
45 75 450 Sort Colors Delete Node in a BST 47.3% 43.1% Medium Medium 0.7189622372679672 0.7190027298101302 https://leetcode.com/problems/sort-colors https://leetcode.com/problems/delete-node-in-a-bst
46 10 75 Regular Expression Matching Sort Colors 26.8% 47.3% Hard Medium 0.7122566110595128 0.7189622372679672 https://leetcode.com/problems/regular-expression-matching https://leetcode.com/problems/sort-colors
47 224 10 Basic Calculator Regular Expression Matching 36.8% 26.8% Hard Hard 0.712035465080151 0.7122566110595128 https://leetcode.com/problems/basic-calculator https://leetcode.com/problems/regular-expression-matching
48 232 224 Implement Queue using Stacks Basic Calculator 49.6% 36.8% Easy Hard 0.703271001559588 0.712035465080151 https://leetcode.com/problems/implement-queue-using-stacks https://leetcode.com/problems/basic-calculator
49 99 232 Recover Binary Search Tree Implement Queue using Stacks 39.7% 49.6% Hard Easy 0.686991511115002 0.703271001559588 https://leetcode.com/problems/recover-binary-search-tree https://leetcode.com/problems/implement-queue-using-stacks
50 24 99 Swap Nodes in Pairs Recover Binary Search Tree 50.4% 39.7% Medium Hard 0.6806651721326015 0.686991511115002 https://leetcode.com/problems/swap-nodes-in-pairs https://leetcode.com/problems/recover-binary-search-tree
51 116 24 Populating Next Right Pointers in Each Node Swap Nodes in Pairs 45.2% 50.4% Medium Medium 0.679990315148951 0.6806651721326015 https://leetcode.com/problems/populating-next-right-pointers-in-each-node https://leetcode.com/problems/swap-nodes-in-pairs
52 1246 116 Palindrome Removal Populating Next Right Pointers in Each Node 46.0% 45.2% Hard Medium 0.6794349186959634 0.679990315148951 https://leetcode.com/problems/palindrome-removal https://leetcode.com/problems/populating-next-right-pointers-in-each-node
53 419 1246 Battleships in a Board Palindrome Removal 70.0% 46.0% Medium Hard 0.6477023182379538 0.6794349186959634 https://leetcode.com/problems/battleships-in-a-board https://leetcode.com/problems/palindrome-removal
54 295 419 Find Median from Data Stream Battleships in a Board 44.3% 70.0% Hard Medium 0.6439331977785325 0.6477023182379538 https://leetcode.com/problems/find-median-from-data-stream https://leetcode.com/problems/battleships-in-a-board
55 636 295 Exclusive Time of Functions Find Median from Data Stream 51.9% 44.3% Medium Hard 0.6405393293662573 0.6439331977785325 https://leetcode.com/problems/exclusive-time-of-functions https://leetcode.com/problems/find-median-from-data-stream
56 121 636 Best Time to Buy and Sell Stock Exclusive Time of Functions 50.5% 51.9% Easy Medium 0.6384433764330154 0.6405393293662573 https://leetcode.com/problems/best-time-to-buy-and-sell-stock https://leetcode.com/problems/exclusive-time-of-functions
57 44 121 Wildcard Matching Best Time to Buy and Sell Stock 24.7% 50.5% Hard Easy 0.6328997728601021 0.6384433764330154 https://leetcode.com/problems/wildcard-matching https://leetcode.com/problems/best-time-to-buy-and-sell-stock
58 134 44 Gas Station Wildcard Matching 38.5% 24.7% Medium Hard 0.6268138366620403 0.6328997728601021 https://leetcode.com/problems/gas-station https://leetcode.com/problems/wildcard-matching
59 535 134 Encode and Decode TinyURL Gas Station 79.9% 38.5% Medium Medium 0.6249578446726771 0.6268138366620403 https://leetcode.com/problems/encode-and-decode-tinyurl https://leetcode.com/problems/gas-station
60 706 535 Design HashMap Encode and Decode TinyURL 61.3% 79.9% Easy Medium 0.6240595717322002 0.6249578446726771 https://leetcode.com/problems/design-hashmap https://leetcode.com/problems/encode-and-decode-tinyurl
61 4 706 Median of Two Sorted Arrays Design HashMap 29.6% 61.3% Hard Easy 0.5997207275769595 0.6240595717322002 https://leetcode.com/problems/median-of-two-sorted-arrays https://leetcode.com/problems/design-hashmap
62 105 4 Construct Binary Tree from Preorder and Inorder Traversal Median of Two Sorted Arrays 48.8% 29.6% Medium Hard 0.5948482012213536 0.5997207275769595 https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal https://leetcode.com/problems/median-of-two-sorted-arrays
63 17 105 Letter Combinations of a Phone Number Construct Binary Tree from Preorder and Inorder Traversal 46.8% 48.8% Medium Medium 0.5900144916124695 0.5948482012213536 https://leetcode.com/problems/letter-combinations-of-a-phone-number https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
64 772 17 Basic Calculator III Letter Combinations of a Phone Number 41.3% 46.8% Hard Medium 0.5881497072005337 0.5900144916124695 https://leetcode.com/problems/basic-calculator-iii https://leetcode.com/problems/letter-combinations-of-a-phone-number
65 564 772 Find the Closest Palindrome Basic Calculator III 19.7% 41.3% Hard Hard 0.581921545449721 0.5881497072005337 https://leetcode.com/problems/find-the-closest-palindrome https://leetcode.com/problems/basic-calculator-iii
66 20 564 Valid Parentheses Find the Closest Palindrome 39.0% 19.7% Easy Hard 0.581252372040232 0.581921545449721 https://leetcode.com/problems/valid-parentheses https://leetcode.com/problems/find-the-closest-palindrome
67 155 20 Min Stack Valid Parentheses 44.5% 39.0% Easy Easy 0.5560563077098069 0.581252372040232 https://leetcode.com/problems/min-stack https://leetcode.com/problems/valid-parentheses
68 36 155 Valid Sudoku Min Stack 48.7% 44.5% Medium Easy 0.5472335928516195 0.5560563077098069 https://leetcode.com/problems/valid-sudoku https://leetcode.com/problems/min-stack
69 1156 36 Swap For Longest Repeated Character Substring Valid Sudoku 49.0% 48.7% Medium Medium 0.538996500732687 0.5472335928516195 https://leetcode.com/problems/swap-for-longest-repeated-character-substring https://leetcode.com/problems/valid-sudoku
70 468 1156 Validate IP Address Swap For Longest Repeated Character Substring 24.1% 49.0% Medium Medium 0.5368011101692514 0.538996500732687 https://leetcode.com/problems/validate-ip-address https://leetcode.com/problems/swap-for-longest-repeated-character-substring
71 340 468 Longest Substring with At Most K Distinct Characters Validate IP Address 44.1% 24.1% Hard Medium 0.5227814976619829 0.5368011101692514 https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters https://leetcode.com/problems/validate-ip-address
72 37 340 Sudoku Solver Longest Substring with At Most K Distinct Characters 43.6% 44.1% Hard Hard 0.5078801135362339 0.5227814976619829 https://leetcode.com/problems/sudoku-solver https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
73 470 37 Implement Rand10() Using Rand7() Sudoku Solver 46.3% 43.6% Medium Hard 0.5035263212843791 0.5078801135362339 https://leetcode.com/problems/implement-rand10-using-rand7 https://leetcode.com/problems/sudoku-solver
74 49 470 Group Anagrams Implement Rand10() Using Rand7() 56.9% 46.3% Medium Medium 0.49720300327737044 0.5035263212843791 https://leetcode.com/problems/group-anagrams https://leetcode.com/problems/implement-rand10-using-rand7
75 3 49 Longest Substring Without Repeating Characters Group Anagrams 30.4% 56.9% Medium Medium 0.48411466774638867 0.49720300327737044 https://leetcode.com/problems/longest-substring-without-repeating-characters https://leetcode.com/problems/group-anagrams
76 102 3 Binary Tree Level Order Traversal Longest Substring Without Repeating Characters 54.6% 30.4% Medium Medium 0.4800243438074503 0.48411466774638867 https://leetcode.com/problems/binary-tree-level-order-traversal https://leetcode.com/problems/longest-substring-without-repeating-characters
77 836 102 Rectangle Overlap Binary Tree Level Order Traversal 48.6% 54.6% Easy Medium 0.47817067841927885 0.4800243438074503 https://leetcode.com/problems/rectangle-overlap https://leetcode.com/problems/binary-tree-level-order-traversal
78 277 836 Find the Celebrity Rectangle Overlap 41.8% 48.6% Medium Easy 0.47648222098694015 0.47817067841927885 https://leetcode.com/problems/find-the-celebrity https://leetcode.com/problems/rectangle-overlap
79 46 277 Permutations Find the Celebrity 63.5% 41.8% Medium Medium 0.4752581007118412 0.47648222098694015 https://leetcode.com/problems/permutations https://leetcode.com/problems/find-the-celebrity
80 510 46 Inorder Successor in BST II Permutations 58.0% 63.5% Medium Medium 0.47332739722482975 0.4752581007118412 https://leetcode.com/problems/inorder-successor-in-bst-ii https://leetcode.com/problems/permutations
81 74 510 Search a 2D Matrix Inorder Successor in BST II 36.5% 58.0% Medium Medium 0.4704141503200286 0.47332739722482975 https://leetcode.com/problems/search-a-2d-matrix https://leetcode.com/problems/inorder-successor-in-bst-ii
82 127 74 Word Ladder Search a 2D Matrix 29.6% 36.5% Medium Medium 0.46981620538612967 0.4704141503200286 https://leetcode.com/problems/word-ladder https://leetcode.com/problems/search-a-2d-matrix
83 56 127 Merge Intervals Word Ladder 39.3% 29.6% Medium Medium 0.46243023294178986 0.46981620538612967 https://leetcode.com/problems/merge-intervals https://leetcode.com/problems/word-ladder
84 449 56 Serialize and Deserialize BST Merge Intervals 52.0% 39.3% Medium Medium 0.44971110343394827 0.46243023294178986 https://leetcode.com/problems/serialize-and-deserialize-bst https://leetcode.com/problems/merge-intervals
85 85 449 Maximal Rectangle Serialize and Deserialize BST 37.7% 52.0% Hard Medium 0.4492357711634929 0.44971110343394827 https://leetcode.com/problems/maximal-rectangle https://leetcode.com/problems/serialize-and-deserialize-bst
86 529 85 Minesweeper Maximal Rectangle 59.1% 37.7% Medium Hard 0.4410244101446512 0.4492357711634929 https://leetcode.com/problems/minesweeper https://leetcode.com/problems/maximal-rectangle
87 642 529 Design Search Autocomplete System Minesweeper 44.7% 59.1% Hard Medium 0.43349242036282026 0.4410244101446512 https://leetcode.com/problems/design-search-autocomplete-system https://leetcode.com/problems/minesweeper
88 168 642 Excel Sheet Column Title Design Search Autocomplete System 31.1% 44.7% Easy Hard 0.4248158924206701 0.43349242036282026 https://leetcode.com/problems/excel-sheet-column-title https://leetcode.com/problems/design-search-autocomplete-system
89 41 168 First Missing Positive Excel Sheet Column Title 32.0% 31.1% Hard Easy 0.4193575471092812 0.4248158924206701 https://leetcode.com/problems/first-missing-positive https://leetcode.com/problems/excel-sheet-column-title
90 238 41 Product of Array Except Self First Missing Positive 60.1% 32.0% Medium Hard 0.4192516867747499 0.4193575471092812 https://leetcode.com/problems/product-of-array-except-self https://leetcode.com/problems/first-missing-positive
91 362 238 Design Hit Counter Product of Array Except Self 63.7% 60.1% Medium Medium 0.41908233979999515 0.4192516867747499 https://leetcode.com/problems/design-hit-counter https://leetcode.com/problems/product-of-array-except-self
92 460 362 LFU Cache Design Hit Counter 34.2% 63.7% Hard Medium 0.40755934971127916 0.41908233979999515 https://leetcode.com/problems/lfu-cache https://leetcode.com/problems/design-hit-counter
93 225 460 Implement Stack using Queues LFU Cache 45.1% 34.2% Easy Hard 0.4064316252700455 0.40755934971127916 https://leetcode.com/problems/implement-stack-using-queues https://leetcode.com/problems/lfu-cache
94 124 225 Binary Tree Maximum Path Sum Implement Stack using Queues 34.3% 45.1% Hard Easy 0.40588105265488916 0.4064316252700455 https://leetcode.com/problems/binary-tree-maximum-path-sum https://leetcode.com/problems/implement-stack-using-queues
95 13 124 Roman to Integer Binary Tree Maximum Path Sum 55.7% 34.3% Easy Hard 0.40185220095239377 0.40588105265488916 https://leetcode.com/problems/roman-to-integer https://leetcode.com/problems/binary-tree-maximum-path-sum
96 143 13 Reorder List Roman to Integer 37.1% 55.7% Medium Easy 0.40020962155920403 0.40185220095239377 https://leetcode.com/problems/reorder-list https://leetcode.com/problems/roman-to-integer
97 160 143 Intersection of Two Linked Lists Reorder List 40.6% 37.1% Easy Medium 0.39967513196999754 0.40020962155920403 https://leetcode.com/problems/intersection-of-two-linked-lists https://leetcode.com/problems/reorder-list
98 322 160 Coin Change Intersection of Two Linked Lists 35.5% 40.6% Medium Easy 0.39783122540141286 0.39967513196999754 https://leetcode.com/problems/coin-change https://leetcode.com/problems/intersection-of-two-linked-lists
99 767 322 Reorganize String Coin Change 48.7% 35.5% Medium Medium 0.3933437475758196 0.39783122540141286 https://leetcode.com/problems/reorganize-string https://leetcode.com/problems/coin-change
100 173 767 Binary Search Tree Iterator Reorganize String 56.6% 48.7% Medium Medium 0.3917309866483655 0.3933437475758196 https://leetcode.com/problems/binary-search-tree-iterator https://leetcode.com/problems/reorganize-string
101 688 173 Knight Probability in Chessboard Binary Search Tree Iterator 48.9% 56.6% Medium Medium 0.38977851194046487 0.3917309866483655 https://leetcode.com/problems/knight-probability-in-chessboard https://leetcode.com/problems/binary-search-tree-iterator
102 622 688 Design Circular Queue Knight Probability in Chessboard 43.8% 48.9% Medium Medium 0.3784130987696834 0.38977851194046487 https://leetcode.com/problems/design-circular-queue https://leetcode.com/problems/knight-probability-in-chessboard
103 73 622 Set Matrix Zeroes Design Circular Queue 43.1% 43.8% Medium Medium 0.37193974948462943 0.3784130987696834 https://leetcode.com/problems/set-matrix-zeroes https://leetcode.com/problems/design-circular-queue
104 43 73 Multiply Strings Set Matrix Zeroes 33.9% 43.1% Medium Medium 0.3716744273234442 0.37193974948462943 https://leetcode.com/problems/multiply-strings https://leetcode.com/problems/set-matrix-zeroes
105 239 43 Sliding Window Maximum Multiply Strings 43.0% 33.9% Hard Medium 0.3688526742838154 0.3716744273234442 https://leetcode.com/problems/sliding-window-maximum https://leetcode.com/problems/multiply-strings
106 15 239 3Sum Sliding Window Maximum 26.8% 43.0% Medium Hard 0.35870919705248033 0.3688526742838154 https://leetcode.com/problems/3sum https://leetcode.com/problems/sliding-window-maximum
107 179 15 Largest Number 3Sum 28.8% 26.8% Medium Medium 0.35230239652612316 0.35870919705248033 https://leetcode.com/problems/largest-number https://leetcode.com/problems/3sum
108 417 179 Pacific Atlantic Water Flow Largest Number 41.1% 28.8% Medium Medium 0.3513978868378886 0.35230239652612316 https://leetcode.com/problems/pacific-atlantic-water-flow https://leetcode.com/problems/largest-number
109 1185 417 Day of the Week Pacific Atlantic Water Flow 64.0% 41.1% Easy Medium 0.34898886906784754 0.3513978868378886 https://leetcode.com/problems/day-of-the-week https://leetcode.com/problems/pacific-atlantic-water-flow
110 380 1185 Insert Delete GetRandom O(1) Day of the Week 47.5% 64.0% Medium Easy 0.348524374235988 0.34898886906784754 https://leetcode.com/problems/insert-delete-getrandom-o1 https://leetcode.com/problems/day-of-the-week
111 935 380 Knight Dialer Insert Delete GetRandom O(1) 45.2% 47.5% Medium Medium 0.3429447511268304 0.348524374235988 https://leetcode.com/problems/knight-dialer https://leetcode.com/problems/insert-delete-getrandom-o1
112 805 935 Split Array With Same Average Knight Dialer 26.4% 45.2% Hard Medium 0.3416302106614813 0.3429447511268304 https://leetcode.com/problems/split-array-with-same-average https://leetcode.com/problems/knight-dialer
113 1044 805 Longest Duplicate Substring Split Array With Same Average 31.9% 26.4% Hard Hard 0.3378493311698002 0.3416302106614813 https://leetcode.com/problems/longest-duplicate-substring https://leetcode.com/problems/split-array-with-same-average
114 1236 1044 Web Crawler Longest Duplicate Substring 64.3% 31.9% Medium Hard 0.33647223662121295 0.3378493311698002 https://leetcode.com/problems/web-crawler https://leetcode.com/problems/longest-duplicate-substring
115 287 1236 Find the Duplicate Number Web Crawler 55.5% 64.3% Medium Medium 0.33544722224040363 0.33647223662121295 https://leetcode.com/problems/find-the-duplicate-number https://leetcode.com/problems/web-crawler
116 431 287 Encode N-ary Tree to Binary Tree Find the Duplicate Number 70.8% 55.5% Hard Medium 0.3308542443169896 0.33544722224040363 https://leetcode.com/problems/encode-n-ary-tree-to-binary-tree https://leetcode.com/problems/find-the-duplicate-number
117 269 431 Alien Dictionary Encode N-ary Tree to Binary Tree 33.3% 70.8% Hard Hard 0.32755550704550385 0.3308542443169896 https://leetcode.com/problems/alien-dictionary https://leetcode.com/problems/encode-n-ary-tree-to-binary-tree
118 31 269 Next Permutation Alien Dictionary 32.6% 33.3% Medium Hard 0.32533895514548333 0.32755550704550385 https://leetcode.com/problems/next-permutation https://leetcode.com/problems/alien-dictionary
119 227 31 Basic Calculator II Next Permutation 36.9% 32.6% Medium Medium 0.320210254787433 0.32533895514548333 https://leetcode.com/problems/basic-calculator-ii https://leetcode.com/problems/next-permutation
120 92 227 Reverse Linked List II Basic Calculator II 38.8% 36.9% Medium Medium 0.3201675275962693 0.320210254787433 https://leetcode.com/problems/reverse-linked-list-ii https://leetcode.com/problems/basic-calculator-ii
121 79 92 Word Search Reverse Linked List II 35.6% 38.8% Medium Medium 0.31836284819083 0.3201675275962693 https://leetcode.com/problems/word-search https://leetcode.com/problems/reverse-linked-list-ii
122 234 79 Palindrome Linked List Word Search 39.3% 35.6% Easy Medium 0.3133910057995738 0.31836284819083 https://leetcode.com/problems/palindrome-linked-list https://leetcode.com/problems/word-search
123 346 234 Moving Average from Data Stream Palindrome Linked List 70.9% 39.3% Easy Easy 0.3081922191359908 0.3133910057995738 https://leetcode.com/problems/moving-average-from-data-stream https://leetcode.com/problems/palindrome-linked-list
124 76 346 Minimum Window Substring Moving Average from Data Stream 34.6% 70.9% Hard Easy 0.3013019791670516 0.3081922191359908 https://leetcode.com/problems/minimum-window-substring https://leetcode.com/problems/moving-average-from-data-stream
125 235 76 Lowest Common Ancestor of a Binary Search Tree Minimum Window Substring 49.9% 34.6% Easy Hard 0.29906505953500556 0.3013019791670516 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree https://leetcode.com/problems/minimum-window-substring
126 204 235 Count Primes Lowest Common Ancestor of a Binary Search Tree 31.5% 49.9% Easy Easy 0.29844719891360566 0.29906505953500556 https://leetcode.com/problems/count-primes https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
127 117 204 Populating Next Right Pointers in Each Node II Count Primes 39.1% 31.5% Medium Easy 0.297513312140522 0.29844719891360566 https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii https://leetcode.com/problems/count-primes
128 828 117 Count Unique Characters of All Substrings of a Given String Populating Next Right Pointers in Each Node II 45.2% 39.1% Hard Medium 0.2972515234679316 0.297513312140522 https://leetcode.com/problems/count-unique-characters-of-all-substrings-of-a-given-string https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
129 133 828 Clone Graph Count Unique Characters of All Substrings of a Given String 34.8% 45.2% Medium Hard 0.29652763874414756 0.2972515234679316 https://leetcode.com/problems/clone-graph https://leetcode.com/problems/count-unique-characters-of-all-substrings-of-a-given-string
130 68 133 Text Justification Clone Graph 27.7% 34.8% Hard Medium 0.29518712556880805 0.29652763874414756 https://leetcode.com/problems/text-justification https://leetcode.com/problems/clone-graph
131 148 68 Sort List Text Justification 42.3% 27.7% Medium Hard 0.29330006475600423 0.29518712556880805 https://leetcode.com/problems/sort-list https://leetcode.com/problems/text-justification
132 94 148 Binary Tree Inorder Traversal Sort List 63.3% 42.3% Medium Medium 0.28973843425663137 0.29330006475600423 https://leetcode.com/problems/binary-tree-inorder-traversal https://leetcode.com/problems/sort-list
133 128 94 Longest Consecutive Sequence Binary Tree Inorder Traversal 45.1% 63.3% Hard Medium 0.28318230693481783 0.28973843425663137 https://leetcode.com/problems/longest-consecutive-sequence https://leetcode.com/problems/binary-tree-inorder-traversal
134 59 128 Spiral Matrix II Longest Consecutive Sequence 53.9% 45.1% Medium Hard 0.2793907308110021 0.28318230693481783 https://leetcode.com/problems/spiral-matrix-ii https://leetcode.com/problems/longest-consecutive-sequence
135 141 59 Linked List Cycle Spiral Matrix II 41.1% 53.9% Easy Medium 0.27449284203401514 0.2793907308110021 https://leetcode.com/problems/linked-list-cycle https://leetcode.com/problems/spiral-matrix-ii
136 528 141 Random Pick with Weight Linked List Cycle 43.9% 41.1% Medium Easy 0.26434500315529863 0.27449284203401514 https://leetcode.com/problems/random-pick-with-weight https://leetcode.com/problems/linked-list-cycle
137 426 528 Convert Binary Search Tree to Sorted Doubly Linked List Random Pick with Weight 59.1% 43.9% Medium Medium 0.2625527836498761 0.26434500315529863 https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list https://leetcode.com/problems/random-pick-with-weight
138 556 426 Next Greater Element III Convert Binary Search Tree to Sorted Doubly Linked List 31.7% 59.1% Medium Medium 0.2619035411237044 0.2625527836498761 https://leetcode.com/problems/next-greater-element-iii https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
139 110 556 Balanced Binary Tree Next Greater Element III 43.5% 31.7% Easy Medium 0.260789845727003 0.2619035411237044 https://leetcode.com/problems/balanced-binary-tree https://leetcode.com/problems/next-greater-element-iii
140 126 110 Word Ladder II Balanced Binary Tree 22.1% 43.5% Hard Easy 0.25503976484865665 0.260789845727003 https://leetcode.com/problems/word-ladder-ii https://leetcode.com/problems/balanced-binary-tree
141 139 126 Word Break Word Ladder II 40.1% 22.1% Medium Hard 0.24836185186023652 0.25503976484865665 https://leetcode.com/problems/word-break https://leetcode.com/problems/word-ladder-ii
142 171 139 Excel Sheet Column Number Word Break 55.9% 40.1% Easy Medium 0.24799403931375497 0.24836185186023652 https://leetcode.com/problems/excel-sheet-column-number https://leetcode.com/problems/word-break
143 39 171 Combination Sum Excel Sheet Column Number 56.1% 55.9% Medium Easy 0.2475495077466774 0.24799403931375497 https://leetcode.com/problems/combination-sum https://leetcode.com/problems/excel-sheet-column-number
144 490 39 The Maze Combination Sum 51.4% 56.1% Medium Medium 0.24202227192369596 0.2475495077466774 https://leetcode.com/problems/the-maze https://leetcode.com/problems/combination-sum
145 863 490 All Nodes Distance K in Binary Tree The Maze 55.4% 51.4% Medium Medium 0.24186418612910326 0.24202227192369596 https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree https://leetcode.com/problems/the-maze
146 716 863 Max Stack All Nodes Distance K in Binary Tree 42.6% 55.4% Easy Medium 0.24108416003009112 0.24186418612910326 https://leetcode.com/problems/max-stack https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
147 692 716 Top K Frequent Words Max Stack 51.8% 42.6% Medium Easy 0.24027250894503516 0.24108416003009112 https://leetcode.com/problems/top-k-frequent-words https://leetcode.com/problems/max-stack
148 266 692 Palindrome Permutation Top K Frequent Words 61.9% 51.8% Easy Medium 0.235382573048932 0.24027250894503516 https://leetcode.com/problems/palindrome-permutation https://leetcode.com/problems/top-k-frequent-words
149 344 266 Reverse String Palindrome Permutation 68.5% 61.9% Easy Easy 0.23528503471044915 0.235382573048932 https://leetcode.com/problems/reverse-string https://leetcode.com/problems/palindrome-permutation
150 917 344 Reverse Only Letters Reverse String 58.0% 68.5% Easy Easy 0.23240287672700652 0.23528503471044915 https://leetcode.com/problems/reverse-only-letters https://leetcode.com/problems/reverse-string
151 768 917 Max Chunks To Make Sorted II Reverse Only Letters 48.7% 58.0% Hard Easy 0.22767870647960103 0.23240287672700652 https://leetcode.com/problems/max-chunks-to-make-sorted-ii https://leetcode.com/problems/reverse-only-letters
152 69 768 Sqrt(x) Max Chunks To Make Sorted II 33.9% 48.7% Easy Hard 0.22365492948950624 0.22767870647960103 https://leetcode.com/problems/sqrtx https://leetcode.com/problems/max-chunks-to-make-sorted-ii
153 61 69 Rotate List Sqrt(x) 30.0% 33.9% Medium Easy 0.2226446737782956 0.22365492948950624 https://leetcode.com/problems/rotate-list https://leetcode.com/problems/sqrtx
154 394 61 Decode String Rotate List 50.0% 30.0% Medium Medium 0.22158432076565618 0.2226446737782956 https://leetcode.com/problems/decode-string https://leetcode.com/problems/rotate-list
155 317 394 Shortest Distance from All Buildings Decode String 41.4% 50.0% Hard Medium 0.21654542918153205 0.22158432076565618 https://leetcode.com/problems/shortest-distance-from-all-buildings https://leetcode.com/problems/decode-string
156 560 317 Subarray Sum Equals K Shortest Distance from All Buildings 43.9% 41.4% Medium Hard 0.21610695147886494 0.21654542918153205 https://leetcode.com/problems/subarray-sum-equals-k https://leetcode.com/problems/shortest-distance-from-all-buildings
157 457 560 Circular Array Loop Subarray Sum Equals K 29.4% 43.9% Medium Medium 0.21472498084861397 0.21610695147886494 https://leetcode.com/problems/circular-array-loop https://leetcode.com/problems/subarray-sum-equals-k
158 229 457 Majority Element II Circular Array Loop 35.6% 29.4% Medium Medium 0.21162970925187066 0.21472498084861397 https://leetcode.com/problems/majority-element-ii https://leetcode.com/problems/circular-array-loop
159 208 229 Implement Trie (Prefix Tree) Majority Element II 49.4% 35.6% Medium Medium 0.20593713931590088 0.21162970925187066 https://leetcode.com/problems/implement-trie-prefix-tree https://leetcode.com/problems/majority-element-ii
160 149 208 Max Points on a Line Implement Trie (Prefix Tree) 16.9% 49.4% Hard Medium 0.20409535634351528 0.20593713931590088 https://leetcode.com/problems/max-points-on-a-line https://leetcode.com/problems/implement-trie-prefix-tree
161 568 149 Maximum Vacation Days Max Points on a Line 40.8% 16.9% Hard Hard 0.19966567025192705 0.20409535634351528 https://leetcode.com/problems/maximum-vacation-days https://leetcode.com/problems/max-points-on-a-line
162 1375 568 Bulb Switcher III Maximum Vacation Days 62.6% 40.8% Medium Hard 0.19622624370172712 0.19966567025192705 https://leetcode.com/problems/bulb-switcher-iii https://leetcode.com/problems/maximum-vacation-days
163 153 1375 Find Minimum in Rotated Sorted Array Bulb Switcher III 45.1% 62.6% Medium Medium 0.191995528322351 0.19622624370172712 https://leetcode.com/problems/find-minimum-in-rotated-sorted-array https://leetcode.com/problems/bulb-switcher-iii
164 286 153 Walls and Gates Find Minimum in Rotated Sorted Array 54.5% 45.1% Medium Medium 0.19197498849459727 0.191995528322351 https://leetcode.com/problems/walls-and-gates https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
165 114 286 Flatten Binary Tree to Linked List Walls and Gates 49.3% 54.5% Medium Medium 0.19007687356143277 0.19197498849459727 https://leetcode.com/problems/flatten-binary-tree-to-linked-list https://leetcode.com/problems/walls-and-gates
166 358 114 Rearrange String k Distance Apart Flatten Binary Tree to Linked List 34.9% 49.3% Hard Medium 0.19004360288786493 0.19007687356143277 https://leetcode.com/problems/rearrange-string-k-distance-apart https://leetcode.com/problems/flatten-binary-tree-to-linked-list
167 695 358 Max Area of Island Rearrange String k Distance Apart 62.7% 34.9% Medium Hard 0.18587942901211874 0.19004360288786493 https://leetcode.com/problems/max-area-of-island https://leetcode.com/problems/rearrange-string-k-distance-apart
168 72 695 Edit Distance Max Area of Island 44.8% 62.7% Hard Medium 0.18554648786569794 0.18587942901211874 https://leetcode.com/problems/edit-distance https://leetcode.com/problems/max-area-of-island
169 51 72 N-Queens Edit Distance 46.6% 44.8% Hard Hard 0.18438554101480611 0.18554648786569794 https://leetcode.com/problems/n-queens https://leetcode.com/problems/edit-distance
170 71 51 Simplify Path N-Queens 32.6% 46.6% Medium Hard 0.18300438372386543 0.18438554101480611 https://leetcode.com/problems/simplify-path https://leetcode.com/problems/n-queens
171 759 71 Employee Free Time Simplify Path 66.3% 32.6% Hard Medium 0.1816986978513639 0.18300438372386543 https://leetcode.com/problems/employee-free-time https://leetcode.com/problems/simplify-path
172 189 759 Rotate Array Employee Free Time 34.7% 66.3% Easy Hard 0.18053653367040554 0.1816986978513639 https://leetcode.com/problems/rotate-array https://leetcode.com/problems/employee-free-time
173 125 189 Valid Palindrome Rotate Array 36.7% 34.7% Easy Easy 0.1785086666194453 0.18053653367040554 https://leetcode.com/problems/valid-palindrome https://leetcode.com/problems/rotate-array
174 45 125 Jump Game II Valid Palindrome 30.6% 36.7% Hard Easy 0.1775138552258515 0.1785086666194453 https://leetcode.com/problems/jump-game-ii https://leetcode.com/problems/valid-palindrome
175 28 45 Implement strStr() Jump Game II 34.5% 30.6% Easy Hard 0.17697342084154793 0.1775138552258515 https://leetcode.com/problems/implement-strstr https://leetcode.com/problems/jump-game-ii
176 773 28 Sliding Puzzle Implement strStr() 59.3% 34.5% Hard Easy 0.17627924233799203 0.17697342084154793 https://leetcode.com/problems/sliding-puzzle https://leetcode.com/problems/implement-strstr
177 328 773 Odd Even Linked List Sliding Puzzle 55.7% 59.3% Medium Hard 0.17548836529558792 0.17627924233799203 https://leetcode.com/problems/odd-even-linked-list https://leetcode.com/problems/sliding-puzzle
178 543 328 Diameter of Binary Tree Odd Even Linked List 48.4% 55.7% Easy Medium 0.1752254632195515 0.17548836529558792 https://leetcode.com/problems/diameter-of-binary-tree https://leetcode.com/problems/odd-even-linked-list
179 415 543 Add Strings Diameter of Binary Tree 47.5% 48.4% Easy Easy 0.17429245611868044 0.1752254632195515 https://leetcode.com/problems/add-strings https://leetcode.com/problems/diameter-of-binary-tree
180 135 415 Candy Add Strings 31.6% 47.5% Hard Easy 0.17296269248039503 0.17429245611868044 https://leetcode.com/problems/candy https://leetcode.com/problems/add-strings
181 442 135 Find All Duplicates in an Array Candy 67.8% 31.6% Medium Hard 0.17219015650505717 0.17296269248039503 https://leetcode.com/problems/find-all-duplicates-in-an-array https://leetcode.com/problems/candy
182 378 442 Kth Smallest Element in a Sorted Matrix Find All Duplicates in an Array 54.3% 67.8% Medium Medium 0.17163465671022385 0.17219015650505717 https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix https://leetcode.com/problems/find-all-duplicates-in-an-array
183 32 378 Longest Valid Parentheses Kth Smallest Element in a Sorted Matrix 28.4% 54.3% Hard Medium 0.17004204716389293 0.17163465671022385 https://leetcode.com/problems/longest-valid-parentheses https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
184 516 32 Longest Palindromic Subsequence Longest Valid Parentheses 53.2% 28.4% Medium Hard 0.16913482985800482 0.17004204716389293 https://leetcode.com/problems/longest-palindromic-subsequence https://leetcode.com/problems/longest-valid-parentheses
185 123 516 Best Time to Buy and Sell Stock III Longest Palindromic Subsequence 37.5% 53.2% Hard Medium 0.16653125439681243 0.16913482985800482 https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii https://leetcode.com/problems/longest-palindromic-subsequence
186 91 123 Decode Ways Best Time to Buy and Sell Stock III 24.7% 37.5% Medium Hard 0.1664322442258041 0.16653125439681243 https://leetcode.com/problems/decode-ways https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
187 242 91 Valid Anagram Decode Ways 56.9% 24.7% Easy Medium 0.1620140669319784 0.1664322442258041 https://leetcode.com/problems/valid-anagram https://leetcode.com/problems/decode-ways
188 540 242 Single Element in a Sorted Array Valid Anagram 57.9% 56.9% Medium Easy 0.16091725953613234 0.1620140669319784 https://leetcode.com/problems/single-element-in-a-sorted-array https://leetcode.com/problems/valid-anagram
189 150 540 Evaluate Reverse Polish Notation Single Element in a Sorted Array 36.3% 57.9% Medium Medium 0.16073798512678014 0.16091725953613234 https://leetcode.com/problems/evaluate-reverse-polish-notation https://leetcode.com/problems/single-element-in-a-sorted-array
190 669 150 Trim a Binary Search Tree Evaluate Reverse Polish Notation 63.0% 36.3% Easy Medium 0.1603426500751794 0.16073798512678014 https://leetcode.com/problems/trim-a-binary-search-tree https://leetcode.com/problems/evaluate-reverse-polish-notation
191 19 669 Remove Nth Node From End of List Trim a Binary Search Tree 35.2% 63.0% Medium Easy 0.15983469543773265 0.1603426500751794 https://leetcode.com/problems/remove-nth-node-from-end-of-list https://leetcode.com/problems/trim-a-binary-search-tree
192 727 19 Minimum Window Subsequence Remove Nth Node From End of List 41.8% 35.2% Hard Medium 0.15970111035790735 0.15983469543773265 https://leetcode.com/problems/minimum-window-subsequence https://leetcode.com/problems/remove-nth-node-from-end-of-list
193 199 727 Binary Tree Right Side View Minimum Window Subsequence 54.1% 41.8% Medium Hard 0.15904374287529144 0.15970111035790735 https://leetcode.com/problems/binary-tree-right-side-view https://leetcode.com/problems/minimum-window-subsequence
194 572 199 Subtree of Another Tree Binary Tree Right Side View 44.1% 54.1% Easy Medium 0.1554260466680471 0.15904374287529144 https://leetcode.com/problems/subtree-of-another-tree https://leetcode.com/problems/binary-tree-right-side-view
195 158 572 Read N Characters Given Read4 II - Call multiple times Subtree of Another Tree 33.8% 44.1% Hard Easy 0.15348688956060175 0.1554260466680471 https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times https://leetcode.com/problems/subtree-of-another-tree
196 215 158 Kth Largest Element in an Array Read N Characters Given Read4 II - Call multiple times 55.4% 33.8% Medium Hard 0.15289308167366858 0.15348688956060175 https://leetcode.com/problems/kth-largest-element-in-an-array https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
197 314 215 Binary Tree Vertical Order Traversal Kth Largest Element in an Array 45.3% 55.4% Medium Medium 0.15148600467306356 0.15289308167366858 https://leetcode.com/problems/binary-tree-vertical-order-traversal https://leetcode.com/problems/kth-largest-element-in-an-array
198 30 314 Substring with Concatenation of All Words Binary Tree Vertical Order Traversal 25.4% 45.3% Hard Medium 0.1461170580676051 0.15148600467306356 https://leetcode.com/problems/substring-with-concatenation-of-all-words https://leetcode.com/problems/binary-tree-vertical-order-traversal
199 129 30 Sum Root to Leaf Numbers Substring with Concatenation of All Words 49.1% 25.4% Medium Hard 0.14587477052339856 0.1461170580676051 https://leetcode.com/problems/sum-root-to-leaf-numbers https://leetcode.com/problems/substring-with-concatenation-of-all-words
200 909 129 Snakes and Ladders Sum Root to Leaf Numbers 38.4% 49.1% Medium Medium 0.14465605390747982 0.14587477052339856 https://leetcode.com/problems/snakes-and-ladders https://leetcode.com/problems/sum-root-to-leaf-numbers
201 77 909 Combinations Snakes and Ladders 54.7% 38.4% Medium Medium 0.14385837161074141 0.14465605390747982 https://leetcode.com/problems/combinations https://leetcode.com/problems/snakes-and-ladders
202 207 77 Course Schedule Combinations 43.1% 54.7% Medium Medium 0.1402270159030123 0.14385837161074141 https://leetcode.com/problems/course-schedule https://leetcode.com/problems/combinations
203 729 207 My Calendar I Course Schedule 51.8% 43.1% Medium Medium 0.13838970177559895 0.1402270159030123 https://leetcode.com/problems/my-calendar-i https://leetcode.com/problems/course-schedule
204 702 729 Search in a Sorted Array of Unknown Size My Calendar I 66.9% 51.8% Medium Medium 0.13783247452391326 0.13838970177559895 https://leetcode.com/problems/search-in-a-sorted-array-of-unknown-size https://leetcode.com/problems/my-calendar-i
205 1136 702 Parallel Courses Search in a Sorted Array of Unknown Size 61.1% 66.9% Hard Medium 0.13720112151348504 0.13783247452391326 https://leetcode.com/problems/parallel-courses https://leetcode.com/problems/search-in-a-sorted-array-of-unknown-size
206 412 1136 Fizz Buzz Parallel Courses 62.3% 61.1% Easy Hard 0.135955636236029 0.13720112151348504 https://leetcode.com/problems/fizz-buzz https://leetcode.com/problems/parallel-courses
207 26 412 Remove Duplicates from Sorted Array Fizz Buzz 45.1% 62.3% Easy Easy 0.13201038687949407 0.135955636236029 https://leetcode.com/problems/remove-duplicates-from-sorted-array https://leetcode.com/problems/fizz-buzz
208 333 26 Largest BST Subtree Remove Duplicates from Sorted Array 35.8% 45.1% Medium Easy 0.13138400282910845 0.13201038687949407 https://leetcode.com/problems/largest-bst-subtree https://leetcode.com/problems/remove-duplicates-from-sorted-array
209 63 333 Unique Paths II Largest BST Subtree 34.6% 35.8% Medium Medium 0.13103977657747026 0.13138400282910845 https://leetcode.com/problems/unique-paths-ii https://leetcode.com/problems/largest-bst-subtree
210 214 63 Shortest Palindrome Unique Paths II 29.8% 34.6% Hard Medium 0.13026519483790147 0.13103977657747026 https://leetcode.com/problems/shortest-palindrome https://leetcode.com/problems/unique-paths-ii
211 384 214 Shuffle an Array Shortest Palindrome 52.8% 29.8% Medium Hard 0.12953764257899986 0.13026519483790147 https://leetcode.com/problems/shuffle-an-array https://leetcode.com/problems/shortest-palindrome
212 958 384 Check Completeness of a Binary Tree Shuffle an Array 52.1% 52.8% Medium Medium 0.12884496089089562 0.12953764257899986 https://leetcode.com/problems/check-completeness-of-a-binary-tree https://leetcode.com/problems/shuffle-an-array
213 612 958 Shortest Distance in a Plane Check Completeness of a Binary Tree 59.5% 52.1% Medium Medium 0.1271551754852466 0.12884496089089562 https://leetcode.com/problems/shortest-distance-in-a-plane https://leetcode.com/problems/check-completeness-of-a-binary-tree
214 567 612 Permutation in String Shortest Distance in a Plane 44.4% 59.5% Medium Medium 0.1271102185315222 0.1271551754852466 https://leetcode.com/problems/permutation-in-string https://leetcode.com/problems/shortest-distance-in-a-plane
215 694 567 Number of Distinct Islands Permutation in String 56.0% 44.4% Medium Medium 0.12516314295400602 0.1271102185315222 https://leetcode.com/problems/number-of-distinct-islands https://leetcode.com/problems/permutation-in-string
216 300 694 Longest Increasing Subsequence Number of Distinct Islands 42.6% 56.0% Medium Medium 0.12395147349827965 0.12516314295400602 https://leetcode.com/problems/longest-increasing-subsequence https://leetcode.com/problems/number-of-distinct-islands
217 683 300 K Empty Slots Longest Increasing Subsequence 35.6% 42.6% Hard Medium 0.12247703235966204 0.12395147349827965 https://leetcode.com/problems/k-empty-slots https://leetcode.com/problems/longest-increasing-subsequence
218 315 683 Count of Smaller Numbers After Self K Empty Slots 41.5% 35.6% Hard Hard 0.12231037767091538 0.12247703235966204 https://leetcode.com/problems/count-of-smaller-numbers-after-self https://leetcode.com/problems/k-empty-slots
219 38 315 Count and Say Count of Smaller Numbers After Self 44.6% 41.5% Easy Hard 0.11845964781974515 0.12231037767091538 https://leetcode.com/problems/count-and-say https://leetcode.com/problems/count-of-smaller-numbers-after-self
220 724 38 Find Pivot Index Count and Say 44.0% 44.6% Easy Easy 0.11824782767032843 0.11845964781974515 https://leetcode.com/problems/find-pivot-index https://leetcode.com/problems/count-and-say
221 332 724 Reconstruct Itinerary Find Pivot Index 36.7% 44.0% Medium Easy 0.11747520126885172 0.11824782767032843 https://leetcode.com/problems/reconstruct-itinerary https://leetcode.com/problems/find-pivot-index
222 64 332 Minimum Path Sum Reconstruct Itinerary 54.5% 36.7% Medium Medium 0.1173048772402237 0.11747520126885172 https://leetcode.com/problems/minimum-path-sum https://leetcode.com/problems/reconstruct-itinerary
223 268 64 Missing Number Minimum Path Sum 51.7% 54.5% Easy Medium 0.11538834636572094 0.1173048772402237 https://leetcode.com/problems/missing-number https://leetcode.com/problems/minimum-path-sum
224 281 268 Zigzag Iterator Missing Number 58.4% 51.7% Medium Easy 0.11506932978478719 0.11538834636572094 https://leetcode.com/problems/zigzag-iterator https://leetcode.com/problems/missing-number
225 308 281 Range Sum Query 2D - Mutable Zigzag Iterator 35.6% 58.4% Hard Medium 0.11441035117774422 0.11506932978478719 https://leetcode.com/problems/range-sum-query-2d-mutable https://leetcode.com/problems/zigzag-iterator
226 708 308 Insert into a Sorted Circular Linked List Range Sum Query 2D - Mutable 31.6% 35.6% Medium Hard 0.11219725014953141 0.11441035117774422 https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list https://leetcode.com/problems/range-sum-query-2d-mutable
227 655 708 Print Binary Tree Insert into a Sorted Circular Linked List 55.0% 31.6% Medium Medium 0.11153609770197609 0.11219725014953141 https://leetcode.com/problems/print-binary-tree https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
228 40 655 Combination Sum II Print Binary Tree 48.2% 55.0% Medium Medium 0.11145356111123644 0.11153609770197609 https://leetcode.com/problems/combination-sum-ii https://leetcode.com/problems/print-binary-tree
229 1188 40 Design Bounded Blocking Queue Combination Sum II 70.5% 48.2% Medium Medium 0.11030454201470608 0.11145356111123644 https://leetcode.com/problems/design-bounded-blocking-queue https://leetcode.com/problems/combination-sum-ii
230 681 1188 Next Closest Time Design Bounded Blocking Queue 45.0% 70.5% Medium Medium 0.11013564249600598 0.11030454201470608 https://leetcode.com/problems/next-closest-time https://leetcode.com/problems/design-bounded-blocking-queue
231 140 681 Word Break II Next Closest Time 32.6% 45.0% Hard Medium 0.10843250681427455 0.11013564249600598 https://leetcode.com/problems/word-break-ii https://leetcode.com/problems/next-closest-time
232 518 140 Coin Change 2 Word Break II 50.2% 32.6% Medium Hard 0.10746985577594965 0.10843250681427455 https://leetcode.com/problems/coin-change-2 https://leetcode.com/problems/word-break-ii
233 969 518 Pancake Sorting Coin Change 2 67.5% 50.2% Medium Medium 0.10724553035359762 0.10746985577594965 https://leetcode.com/problems/pancake-sorting https://leetcode.com/problems/coin-change-2
234 108 969 Convert Sorted Array to Binary Search Tree Pancake Sorting 57.9% 67.5% Easy Medium 0.10686314554236129 0.10724553035359762 https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree https://leetcode.com/problems/pancake-sorting
235 407 108 Trapping Rain Water II Convert Sorted Array to Binary Search Tree 42.4% 57.9% Hard Easy 0.10486899438963619 0.10686314554236129 https://leetcode.com/problems/trapping-rain-water-ii https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
236 159 407 Longest Substring with At Most Two Distinct Characters Trapping Rain Water II 49.4% 42.4% Medium Hard 0.10453372768183221 0.10486899438963619 https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters https://leetcode.com/problems/trapping-rain-water-ii
237 289 159 Game of Life Longest Substring with At Most Two Distinct Characters 54.5% 49.4% Medium Medium 0.10365526175211173 0.10453372768183221 https://leetcode.com/problems/game-of-life https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters
238 267 289 Palindrome Permutation II Game of Life 36.4% 54.5% Medium Medium 0.10345133738802471 0.10365526175211173 https://leetcode.com/problems/palindrome-permutation-ii https://leetcode.com/problems/game-of-life
239 523 267 Continuous Subarray Sum Palindrome Permutation II 24.6% 36.4% Medium Medium 0.1016388887348317 0.10345133738802471 https://leetcode.com/problems/continuous-subarray-sum https://leetcode.com/problems/palindrome-permutation-ii
240 379 523 Design Phone Directory Continuous Subarray Sum 46.8% 24.6% Medium Medium 0.10135249426028749 0.1016388887348317 https://leetcode.com/problems/design-phone-directory https://leetcode.com/problems/continuous-subarray-sum
241 979 379 Distribute Coins in Binary Tree Design Phone Directory 68.9% 46.8% Medium Medium 0.10090468412429855 0.10135249426028749 https://leetcode.com/problems/distribute-coins-in-binary-tree https://leetcode.com/problems/design-phone-directory
242 142 979 Linked List Cycle II Distribute Coins in Binary Tree 37.3% 68.9% Medium Medium 0.10019322804117618 0.10090468412429855 https://leetcode.com/problems/linked-list-cycle-ii https://leetcode.com/problems/distribute-coins-in-binary-tree
243 387 142 First Unique Character in a String Linked List Cycle II 53.4% 37.3% Easy Medium 0.09971390202061521 0.10019322804117618 https://leetcode.com/problems/first-unique-character-in-a-string https://leetcode.com/problems/linked-list-cycle-ii
244 283 387 Move Zeroes First Unique Character in a String 57.8% 53.4% Easy Easy 0.09896140984010138 0.09971390202061521 https://leetcode.com/problems/move-zeroes https://leetcode.com/problems/first-unique-character-in-a-string
245 84 283 Largest Rectangle in Histogram Move Zeroes 35.2% 57.8% Hard Easy 0.09762873497741681 0.09896140984010138 https://leetcode.com/problems/largest-rectangle-in-histogram https://leetcode.com/problems/move-zeroes
246 83 84 Remove Duplicates from Sorted List Largest Rectangle in Histogram 45.4% 35.2% Easy Hard 0.0971047329502579 0.09762873497741681 https://leetcode.com/problems/remove-duplicates-from-sorted-list https://leetcode.com/problems/largest-rectangle-in-histogram
247 733 83 Flood Fill Remove Duplicates from Sorted List 55.3% 45.4% Easy Easy 0.09669362480247104 0.0971047329502579 https://leetcode.com/problems/flood-fill https://leetcode.com/problems/remove-duplicates-from-sorted-list
248 280 733 Wiggle Sort Flood Fill 63.8% 55.3% Medium Easy 0.09561417737468547 0.09669362480247104 https://leetcode.com/problems/wiggle-sort https://leetcode.com/problems/flood-fill
249 438 280 Find All Anagrams in a String Wiggle Sort 43.3% 63.8% Medium Medium 0.09527308850408509 0.09561417737468547 https://leetcode.com/problems/find-all-anagrams-in-a-string https://leetcode.com/problems/wiggle-sort
250 493 438 Reverse Pairs Find All Anagrams in a String 25.2% 43.3% Hard Medium 0.09450889771017068 0.09527308850408509 https://leetcode.com/problems/reverse-pairs https://leetcode.com/problems/find-all-anagrams-in-a-string
251 611 493 Valid Triangle Number Reverse Pairs 48.4% 25.2% Medium Hard 0.09333193979221914 0.09450889771017068 https://leetcode.com/problems/valid-triangle-number https://leetcode.com/problems/reverse-pairs
252 662 611 Maximum Width of Binary Tree Valid Triangle Number 41.0% 48.4% Medium Medium 0.09316274664172107 0.09333193979221914 https://leetcode.com/problems/maximum-width-of-binary-tree https://leetcode.com/problems/valid-triangle-number
253 1062 662 Longest Repeating Substring Maximum Width of Binary Tree 57.2% 41.0% Medium Medium 0.09201889872025212 0.09316274664172107 https://leetcode.com/problems/longest-repeating-substring https://leetcode.com/problems/maximum-width-of-binary-tree
254 381 1062 Insert Delete GetRandom O(1) - Duplicates allowed Longest Repeating Substring 34.1% 57.2% Hard Medium 0.09106388892287375 0.09201889872025212 https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed https://leetcode.com/problems/longest-repeating-substring
255 252 381 Meeting Rooms Insert Delete GetRandom O(1) - Duplicates allowed 54.6% 34.1% Easy Hard 0.09020195522698488 0.09106388892287375 https://leetcode.com/problems/meeting-rooms https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
256 647 252 Palindromic Substrings Meeting Rooms 60.6% 54.6% Medium Easy 0.08992575300574686 0.09020195522698488 https://leetcode.com/problems/palindromic-substrings https://leetcode.com/problems/meeting-rooms
257 1116 647 Print Zero Even Odd Palindromic Substrings 56.0% 60.6% Medium Medium 0.08934510033584994 0.08992575300574686 https://leetcode.com/problems/print-zero-even-odd https://leetcode.com/problems/palindromic-substrings
258 652 1116 Find Duplicate Subtrees Print Zero Even Odd 50.2% 56.0% Medium Medium 0.08907963005368878 0.08934510033584994 https://leetcode.com/problems/find-duplicate-subtrees https://leetcode.com/problems/print-zero-even-odd
259 509 652 Fibonacci Number Find Duplicate Subtrees 67.2% 50.2% Easy Medium 0.08383840268320984 0.08907963005368878 https://leetcode.com/problems/fibonacci-number https://leetcode.com/problems/find-duplicate-subtrees
260 939 509 Minimum Area Rectangle Fibonacci Number 51.8% 67.2% Medium Easy 0.08361414004113359 0.08383840268320984 https://leetcode.com/problems/minimum-area-rectangle https://leetcode.com/problems/fibonacci-number
261 89 939 Gray Code Minimum Area Rectangle 49.1% 51.8% Medium Medium 0.08112554481236843 0.08361414004113359 https://leetcode.com/problems/gray-code https://leetcode.com/problems/minimum-area-rectangle
262 354 89 Russian Doll Envelopes Gray Code 35.6% 49.1% Hard Medium 0.08025695513016742 0.08112554481236843 https://leetcode.com/problems/russian-doll-envelopes https://leetcode.com/problems/gray-code
263 97 354 Interleaving String Russian Doll Envelopes 31.5% 35.6% Hard Hard 0.07948571541724253 0.08025695513016742 https://leetcode.com/problems/interleaving-string https://leetcode.com/problems/russian-doll-envelopes
264 784 97 Letter Case Permutation Interleaving String 64.6% 31.5% Medium Hard 0.0787033338274549 0.07948571541724253 https://leetcode.com/problems/letter-case-permutation https://leetcode.com/problems/interleaving-string
265 1104 784 Path In Zigzag Labelled Binary Tree Letter Case Permutation 72.0% 64.6% Medium Medium 0.07786032177227234 0.0787033338274549 https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree https://leetcode.com/problems/letter-case-permutation
266 341 1104 Flatten Nested List Iterator Path In Zigzag Labelled Binary Tree 52.9% 72.0% Medium Medium 0.07763353611776078 0.07786032177227234 https://leetcode.com/problems/flatten-nested-list-iterator https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree
267 210 341 Course Schedule II Flatten Nested List Iterator 40.7% 52.9% Medium Medium 0.07762595476606639 0.07763353611776078 https://leetcode.com/problems/course-schedule-ii https://leetcode.com/problems/flatten-nested-list-iterator
268 55 210 Jump Game Course Schedule II 34.6% 40.7% Medium Medium 0.07748307858552587 0.07762595476606639 https://leetcode.com/problems/jump-game https://leetcode.com/problems/course-schedule-ii
269 162 55 Find Peak Element Jump Game 43.3% 34.6% Medium Medium 0.0751426333944982 0.07748307858552587 https://leetcode.com/problems/find-peak-element https://leetcode.com/problems/jump-game
270 12 162 Integer to Roman Find Peak Element 55.1% 43.3% Medium Medium 0.07429157630369143 0.0751426333944982 https://leetcode.com/problems/integer-to-roman https://leetcode.com/problems/find-peak-element
271 515 12 Find Largest Value in Each Tree Row Integer to Roman 61.1% 55.1% Medium Medium 0.07428007438287054 0.07429157630369143 https://leetcode.com/problems/find-largest-value-in-each-tree-row https://leetcode.com/problems/integer-to-roman
272 1079 515 Letter Tile Possibilities Find Largest Value in Each Tree Row 75.4% 61.1% Medium Medium 0.07350246199292652 0.07428007438287054 https://leetcode.com/problems/letter-tile-possibilities https://leetcode.com/problems/find-largest-value-in-each-tree-row
273 721 1079 Accounts Merge Letter Tile Possibilities 48.8% 75.4% Medium Medium 0.07349495575336484 0.07350246199292652 https://leetcode.com/problems/accounts-merge https://leetcode.com/problems/letter-tile-possibilities
274 503 721 Next Greater Element II Accounts Merge 56.5% 48.8% Medium Medium 0.07339377143296942 0.07349495575336484 https://leetcode.com/problems/next-greater-element-ii https://leetcode.com/problems/accounts-merge
275 351 503 Android Unlock Patterns Next Greater Element II 48.4% 56.5% Medium Medium 0.07197349962508924 0.07339377143296942 https://leetcode.com/problems/android-unlock-patterns https://leetcode.com/problems/next-greater-element-ii
276 271 351 Encode and Decode Strings Android Unlock Patterns 31.5% 48.4% Medium Medium 0.07197349962508924 0.07197349962508924 https://leetcode.com/problems/encode-and-decode-strings https://leetcode.com/problems/android-unlock-patterns
277 290 271 Word Pattern Encode and Decode Strings 37.0% 31.5% Easy Medium 0.071651050037288 0.07197349962508924 https://leetcode.com/problems/word-pattern https://leetcode.com/problems/encode-and-decode-strings
278 81 290 Search in Rotated Sorted Array II Word Pattern 33.0% 37.0% Medium Easy 0.07091146875905202 0.071651050037288 https://leetcode.com/problems/search-in-rotated-sorted-array-ii https://leetcode.com/problems/word-pattern
279 632 81 Smallest Range Covering Elements from K Lists Search in Rotated Sorted Array II 52.4% 33.0% Hard Medium 0.07082605256861242 0.07091146875905202 https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists https://leetcode.com/problems/search-in-rotated-sorted-array-ii
280 987 632 Vertical Order Traversal of a Binary Tree Smallest Range Covering Elements from K Lists 36.6% 52.4% Medium Hard 0.070392125446596 0.07082605256861242 https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
281 347 987 Top K Frequent Elements Vertical Order Traversal of a Binary Tree 61.2% 36.6% Medium Medium 0.07032016944224467 0.070392125446596 https://leetcode.com/problems/top-k-frequent-elements https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
282 676 347 Implement Magic Dictionary Top K Frequent Elements 54.5% 61.2% Medium Medium 0.06995858860691037 0.07032016944224467 https://leetcode.com/problems/implement-magic-dictionary https://leetcode.com/problems/top-k-frequent-elements
283 406 676 Queue Reconstruction by Height Implement Magic Dictionary 66.9% 54.5% Medium Medium 0.06917190648877243 0.06995858860691037 https://leetcode.com/problems/queue-reconstruction-by-height https://leetcode.com/problems/implement-magic-dictionary
284 432 406 All O`one Data Structure Queue Reconstruction by Height 32.4% 66.9% Hard Medium 0.06887402901251127 0.06917190648877243 https://leetcode.com/problems/all-oone-data-structure https://leetcode.com/problems/queue-reconstruction-by-height
285 383 432 Ransom Note All O`one Data Structure 53.1% 32.4% Easy Hard 0.06869653128623486 0.06887402901251127 https://leetcode.com/problems/ransom-note https://leetcode.com/problems/all-oone-data-structure
286 284 383 Peeking Iterator Ransom Note 45.7% 53.1% Medium Easy 0.06867686579621939 0.06869653128623486 https://leetcode.com/problems/peeking-iterator https://leetcode.com/problems/ransom-note
287 270 284 Closest Binary Search Tree Value Peeking Iterator 48.5% 45.7% Easy Medium 0.06680279511160087 0.06867686579621939 https://leetcode.com/problems/closest-binary-search-tree-value https://leetcode.com/problems/peeking-iterator
288 1145 270 Binary Tree Coloring Game Closest Binary Search Tree Value 51.2% 48.5% Medium Easy 0.06592172080482424 0.06680279511160087 https://leetcode.com/problems/binary-tree-coloring-game https://leetcode.com/problems/closest-binary-search-tree-value
289 7 1145 Reverse Integer Binary Tree Coloring Game 25.8% 51.2% Easy Medium 0.06491395714978664 0.06592172080482424 https://leetcode.com/problems/reverse-integer https://leetcode.com/problems/binary-tree-coloring-game
290 658 7 Find K Closest Elements Reverse Integer 40.9% 25.8% Medium Easy 0.06485254217956125 0.06491395714978664 https://leetcode.com/problems/find-k-closest-elements https://leetcode.com/problems/reverse-integer
291 769 658 Max Chunks To Make Sorted Find K Closest Elements 54.8% 40.9% Medium Medium 0.06474752939415815 0.06485254217956125 https://leetcode.com/problems/max-chunks-to-make-sorted https://leetcode.com/problems/find-k-closest-elements
292 174 769 Dungeon Game Max Chunks To Make Sorted 32.3% 54.8% Hard Medium 0.06367072323433676 0.06474752939415815 https://leetcode.com/problems/dungeon-game https://leetcode.com/problems/max-chunks-to-make-sorted
293 147 174 Insertion Sort List Dungeon Game 41.1% 32.3% Medium Hard 0.06340151135049601 0.06367072323433676 https://leetcode.com/problems/insertion-sort-list https://leetcode.com/problems/dungeon-game
294 397 147 Integer Replacement Insertion Sort List 32.9% 41.1% Medium Medium 0.06331227941432688 0.06340151135049601 https://leetcode.com/problems/integer-replacement https://leetcode.com/problems/insertion-sort-list
295 86 397 Partition List Integer Replacement 41.5% 32.9% Medium Medium 0.06170036851169576 0.06331227941432688 https://leetcode.com/problems/partition-list https://leetcode.com/problems/integer-replacement
296 739 86 Daily Temperatures Partition List 63.3% 41.5% Medium Medium 0.06111383323222972 0.06170036851169576 https://leetcode.com/problems/daily-temperatures https://leetcode.com/problems/partition-list
297 701 739 Insert into a Binary Search Tree Daily Temperatures 77.7% 63.3% Medium Medium 0.06069363413516112 0.06111383323222972 https://leetcode.com/problems/insert-into-a-binary-search-tree https://leetcode.com/problems/daily-temperatures
298 11 701 Container With Most Water Insert into a Binary Search Tree 50.8% 77.7% Medium Medium 0.060358007567261264 0.06069363413516112 https://leetcode.com/problems/container-with-most-water https://leetcode.com/problems/insert-into-a-binary-search-tree
299 305 11 Number of Islands II Container With Most Water 40.1% 50.8% Hard Medium 0.06007812394328337 0.060358007567261264 https://leetcode.com/problems/number-of-islands-ii https://leetcode.com/problems/container-with-most-water
300 796 305 Rotate String Number of Islands II 49.6% 40.1% Easy Hard 0.059778751425839334 0.06007812394328337 https://leetcode.com/problems/rotate-string https://leetcode.com/problems/number-of-islands-ii
301 118 796 Pascal's Triangle Rotate String 52.5% 49.6% Easy Easy 0.05916940920826907 0.059778751425839334 https://leetcode.com/problems/pascals-triangle https://leetcode.com/problems/rotate-string
302 630 118 Course Schedule III Pascal's Triangle 33.5% 52.5% Hard Easy 0.058581901624802396 0.05916940920826907 https://leetcode.com/problems/course-schedule-iii https://leetcode.com/problems/pascals-triangle
303 198 630 House Robber Course Schedule III 42.0% 33.5% Easy Hard 0.05849085907372723 0.058581901624802396 https://leetcode.com/problems/house-robber https://leetcode.com/problems/course-schedule-iii
304 78 198 Subsets House Robber 62.0% 42.0% Medium Easy 0.05743033072740612 0.05849085907372723 https://leetcode.com/problems/subsets https://leetcode.com/problems/house-robber
305 403 78 Frog Jump Subsets 39.7% 62.0% Hard Medium 0.05741372523004705 0.05743033072740612 https://leetcode.com/problems/frog-jump https://leetcode.com/problems/subsets
306 621 403 Task Scheduler Frog Jump 50.1% 39.7% Medium Hard 0.05695976044875415 0.05741372523004705 https://leetcode.com/problems/task-scheduler https://leetcode.com/problems/frog-jump
307 950 621 Reveal Cards In Increasing Order Task Scheduler 74.6% 50.1% Medium Medium 0.056592185311170023 0.05695976044875415 https://leetcode.com/problems/reveal-cards-in-increasing-order https://leetcode.com/problems/task-scheduler
308 109 950 Convert Sorted List to Binary Search Tree Reveal Cards In Increasing Order 47.7% 74.6% Medium Medium 0.05655216950492122 0.056592185311170023 https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree https://leetcode.com/problems/reveal-cards-in-increasing-order
309 1038 109 Binary Search Tree to Greater Sum Tree Convert Sorted List to Binary Search Tree 80.8% 47.7% Medium Medium 0.05637058926920947 0.05655216950492122 https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
310 653 1038 Two Sum IV - Input is a BST Binary Search Tree to Greater Sum Tree 55.5% 80.8% Easy Medium 0.055724721838100025 0.05637058926920947 https://leetcode.com/problems/two-sum-iv-input-is-a-bst https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
311 230 653 Kth Smallest Element in a BST Two Sum IV - Input is a BST 60.2% 55.5% Medium Easy 0.055629976214953934 0.055724721838100025 https://leetcode.com/problems/kth-smallest-element-in-a-bst https://leetcode.com/problems/two-sum-iv-input-is-a-bst
312 62 230 Unique Paths Kth Smallest Element in a BST 54.1% 60.2% Medium Medium 0.055187969852649885 0.055629976214953934 https://leetcode.com/problems/unique-paths https://leetcode.com/problems/kth-smallest-element-in-a-bst
313 304 62 Range Sum Query 2D - Immutable Unique Paths 38.6% 54.1% Medium Medium 0.054527987071175225 0.055187969852649885 https://leetcode.com/problems/range-sum-query-2d-immutable https://leetcode.com/problems/unique-paths
314 703 304 Kth Largest Element in a Stream Range Sum Query 2D - Immutable 49.7% 38.6% Easy Medium 0.054472280837981495 0.054527987071175225 https://leetcode.com/problems/kth-largest-element-in-a-stream https://leetcode.com/problems/range-sum-query-2d-immutable
315 1229 703 Meeting Scheduler Kth Largest Element in a Stream 52.7% 49.7% Medium Easy 0.053560323833736816 0.054472280837981495 https://leetcode.com/problems/meeting-scheduler https://leetcode.com/problems/kth-largest-element-in-a-stream
316 101 1229 Symmetric Tree Meeting Scheduler 46.8% 52.7% Easy Medium 0.05314658664103646 0.053560323833736816 https://leetcode.com/problems/symmetric-tree https://leetcode.com/problems/meeting-scheduler
317 70 101 Climbing Stairs Symmetric Tree 47.8% 46.8% Easy Easy 0.05292045608536146 0.05314658664103646 https://leetcode.com/problems/climbing-stairs https://leetcode.com/problems/symmetric-tree
318 329 70 Longest Increasing Path in a Matrix Climbing Stairs 43.4% 47.8% Hard Easy 0.052557250738676044 0.05292045608536146 https://leetcode.com/problems/longest-increasing-path-in-a-matrix https://leetcode.com/problems/climbing-stairs
319 122 329 Best Time to Buy and Sell Stock II Longest Increasing Path in a Matrix 57.0% 43.4% Easy Hard 0.05236798551731598 0.052557250738676044 https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii https://leetcode.com/problems/longest-increasing-path-in-a-matrix
320 57 122 Insert Interval Best Time to Buy and Sell Stock II 33.5% 57.0% Hard Easy 0.05147485598282032 0.05236798551731598 https://leetcode.com/problems/insert-interval https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
321 209 57 Minimum Size Subarray Sum Insert Interval 38.2% 33.5% Medium Hard 0.05146227039335983 0.05147485598282032 https://leetcode.com/problems/minimum-size-subarray-sum https://leetcode.com/problems/insert-interval
322 65 209 Valid Number Minimum Size Subarray Sum 15.3% 38.2% Hard Medium 0.05071509257901641 0.05146227039335983 https://leetcode.com/problems/valid-number https://leetcode.com/problems/minimum-size-subarray-sum
323 216 65 Combination Sum III Valid Number 56.6% 15.3% Medium Hard 0.05017774958571902 0.05071509257901641 https://leetcode.com/problems/combination-sum-iii https://leetcode.com/problems/valid-number
324 981 216 Time Based Key-Value Store Combination Sum III 53.1% 56.6% Medium Medium 0.049406315387071284 0.05017774958571902 https://leetcode.com/problems/time-based-key-value-store https://leetcode.com/problems/combination-sum-iii
325 167 981 Two Sum II - Input array is sorted Time Based Key-Value Store 54.1% 53.1% Easy Medium 0.04850742103311059 0.049406315387071284 https://leetcode.com/problems/two-sum-ii-input-array-is-sorted https://leetcode.com/problems/time-based-key-value-store
326 405 167 Convert a Number to Hexadecimal Two Sum II - Input array is sorted 43.9% 54.1% Easy Easy 0.0483770263821056 0.04850742103311059 https://leetcode.com/problems/convert-a-number-to-hexadecimal https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
327 547 405 Friend Circles Convert a Number to Hexadecimal 58.6% 43.9% Medium Easy 0.04804286211474039 0.0483770263821056 https://leetcode.com/problems/friend-circles https://leetcode.com/problems/convert-a-number-to-hexadecimal
328 845 547 Longest Mountain in Array Friend Circles 37.2% 58.6% Medium Medium 0.047458490406358134 0.04804286211474039 https://leetcode.com/problems/longest-mountain-in-array https://leetcode.com/problems/friend-circles
329 698 845 Partition to K Equal Sum Subsets Longest Mountain in Array 45.0% 37.2% Medium Medium 0.04685917114094188 0.047458490406358134 https://leetcode.com/problems/partition-to-k-equal-sum-subsets https://leetcode.com/problems/longest-mountain-in-array
330 876 698 Middle of the Linked List Partition to K Equal Sum Subsets 68.4% 45.0% Easy Medium 0.046728740327781716 0.04685917114094188 https://leetcode.com/problems/middle-of-the-linked-list https://leetcode.com/problems/partition-to-k-equal-sum-subsets
331 223 876 Rectangle Area Middle of the Linked List 37.8% 68.4% Medium Easy 0.04598511324182338 0.046728740327781716 https://leetcode.com/problems/rectangle-area https://leetcode.com/problems/middle-of-the-linked-list
332 843 223 Guess the Word Rectangle Area 46.1% 37.8% Hard Medium 0.045462374076757336 0.04598511324182338 https://leetcode.com/problems/guess-the-word https://leetcode.com/problems/rectangle-area
333 205 843 Isomorphic Strings Guess the Word 39.8% 46.1% Easy Hard 0.045397866271290506 0.045462374076757336 https://leetcode.com/problems/isomorphic-strings https://leetcode.com/problems/guess-the-word
334 609 205 Find Duplicate File in System Isomorphic Strings 59.5% 39.8% Medium Easy 0.045205436768046794 0.045397866271290506 https://leetcode.com/problems/find-duplicate-file-in-system https://leetcode.com/problems/isomorphic-strings
335 325 609 Maximum Size Subarray Sum Equals k Find Duplicate File in System 46.8% 59.5% Medium Medium 0.04495138786226632 0.045205436768046794 https://leetcode.com/problems/maximum-size-subarray-sum-equals-k https://leetcode.com/problems/find-duplicate-file-in-system
336 680 325 Valid Palindrome II Maximum Size Subarray Sum Equals k 36.6% 46.8% Easy Medium 0.04470617503841694 0.04495138786226632 https://leetcode.com/problems/valid-palindrome-ii https://leetcode.com/problems/maximum-size-subarray-sum-equals-k
337 489 680 Robot Room Cleaner Valid Palindrome II 69.7% 36.6% Hard Easy 0.04460047988428181 0.04470617503841694 https://leetcode.com/problems/robot-room-cleaner https://leetcode.com/problems/valid-palindrome-ii
338 349 489 Intersection of Two Arrays Robot Room Cleaner 62.5% 69.7% Easy Hard 0.04447549064708117 0.04460047988428181 https://leetcode.com/problems/intersection-of-two-arrays https://leetcode.com/problems/robot-room-cleaner
339 895 349 Maximum Frequency Stack Intersection of Two Arrays 60.6% 62.5% Hard Easy 0.04329680575332419 0.04447549064708117 https://leetcode.com/problems/maximum-frequency-stack https://leetcode.com/problems/intersection-of-two-arrays
340 448 895 Find All Numbers Disappeared in an Array Maximum Frequency Stack 55.9% 60.6% Easy Hard 0.04214343508255059 0.04329680575332419 https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array https://leetcode.com/problems/maximum-frequency-stack
341 532 448 K-diff Pairs in an Array Find All Numbers Disappeared in an Array 31.6% 55.9% Easy Easy 0.041672696400568025 0.04214343508255059 https://leetcode.com/problems/k-diff-pairs-in-an-array https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
342 430 532 Flatten a Multilevel Doubly Linked List K-diff Pairs in an Array 55.1% 31.6% Medium Easy 0.04154283751370906 0.041672696400568025 https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list https://leetcode.com/problems/k-diff-pairs-in-an-array
343 844 430 Backspace String Compare Flatten a Multilevel Doubly Linked List 46.4% 55.1% Easy Medium 0.041499730906752734 0.04154283751370906 https://leetcode.com/problems/backspace-string-compare https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
344 1004 844 Max Consecutive Ones III Backspace String Compare 59.1% 46.4% Medium Easy 0.041252411938220004 0.041499730906752734 https://leetcode.com/problems/max-consecutive-ones-iii https://leetcode.com/problems/backspace-string-compare
345 243 1004 Shortest Word Distance Max Consecutive Ones III 61.0% 59.1% Easy Medium 0.040780370344928096 0.041252411938220004 https://leetcode.com/problems/shortest-word-distance https://leetcode.com/problems/max-consecutive-ones-iii
346 907 243 Sum of Subarray Minimums Shortest Word Distance 32.3% 61.0% Medium Easy 0.04069737616380998 0.040780370344928096 https://leetcode.com/problems/sum-of-subarray-minimums https://leetcode.com/problems/shortest-word-distance
347 819 907 Most Common Word Sum of Subarray Minimums 44.8% 32.3% Easy Medium 0.0404606389166018 0.04069737616380998 https://leetcode.com/problems/most-common-word https://leetcode.com/problems/sum-of-subarray-minimums
348 833 819 Find And Replace in String Most Common Word 50.4% 44.8% Medium Easy 0.03984590854719967 0.0404606389166018 https://leetcode.com/problems/find-and-replace-in-string https://leetcode.com/problems/most-common-word
349 788 833 Rotated Digits Find And Replace in String 57.1% 50.4% Easy Medium 0.03980625040041967 0.03984590854719967 https://leetcode.com/problems/rotated-digits https://leetcode.com/problems/find-and-replace-in-string
350 256 788 Paint House Rotated Digits 52.1% 57.1% Easy Easy 0.03937516523483013 0.03980625040041967 https://leetcode.com/problems/paint-house https://leetcode.com/problems/rotated-digits
351 872 256 Leaf-Similar Trees Paint House 64.5% 52.1% Easy Easy 0.03899974309382511 0.03937516523483013 https://leetcode.com/problems/leaf-similar-trees https://leetcode.com/problems/paint-house
352 18 872 4Sum Leaf-Similar Trees 33.7% 64.5% Medium Easy 0.03880215185647971 0.03899974309382511 https://leetcode.com/problems/4sum https://leetcode.com/problems/leaf-similar-trees
353 113 18 Path Sum II 4Sum 46.7% 33.7% Medium Medium 0.03857758982167768 0.03880215185647971 https://leetcode.com/problems/path-sum-ii https://leetcode.com/problems/4sum
354 1381 113 Design a Stack With Increment Operation Path Sum II 74.7% 46.7% Medium Medium 0.038355612390321446 0.03857758982167768 https://leetcode.com/problems/design-a-stack-with-increment-operation https://leetcode.com/problems/path-sum-ii
355 34 1381 Find First and Last Position of Element in Sorted Array Design a Stack With Increment Operation 36.2% 74.7% Medium Medium 0.03759448672488506 0.038355612390321446 https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array https://leetcode.com/problems/design-a-stack-with-increment-operation
356 643 34 Maximum Average Subarray I Find First and Last Position of Element in Sorted Array 41.5% 36.2% Easy Medium 0.03683657735649026 0.03759448672488506 https://leetcode.com/problems/maximum-average-subarray-i https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
357 887 643 Super Egg Drop Maximum Average Subarray I 27.1% 41.5% Hard Easy 0.03660060864484636 0.03683657735649026 https://leetcode.com/problems/super-egg-drop https://leetcode.com/problems/maximum-average-subarray-i
358 884 887 Uncommon Words from Two Sentences Super Egg Drop 63.3% 27.1% Easy Hard 0.036301626676214796 0.03660060864484636 https://leetcode.com/problems/uncommon-words-from-two-sentences https://leetcode.com/problems/super-egg-drop
359 161 884 One Edit Distance Uncommon Words from Two Sentences 32.3% 63.3% Medium Easy 0.03626870773745257 0.036301626676214796 https://leetcode.com/problems/one-edit-distance https://leetcode.com/problems/uncommon-words-from-two-sentences
360 934 161 Shortest Bridge One Edit Distance 48.2% 32.3% Medium Medium 0.03607244121670154 0.03626870773745257 https://leetcode.com/problems/shortest-bridge https://leetcode.com/problems/one-edit-distance
361 973 934 K Closest Points to Origin Shortest Bridge 63.8% 48.2% Medium Medium 0.035550452059401896 0.03607244121670154 https://leetcode.com/problems/k-closest-points-to-origin https://leetcode.com/problems/shortest-bridge
362 1304 973 Find N Unique Integers Sum up to Zero K Closest Points to Origin 76.3% 63.8% Easy Medium 0.035408891906255915 0.035550452059401896 https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero https://leetcode.com/problems/k-closest-points-to-origin
363 1143 1304 Longest Common Subsequence Find N Unique Integers Sum up to Zero 58.4% 76.3% Medium Easy 0.03488472325916733 0.035408891906255915 https://leetcode.com/problems/longest-common-subsequence https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
364 152 1143 Maximum Product Subarray Longest Common Subsequence 31.7% 58.4% Medium Medium 0.034438665054543384 0.03488472325916733 https://leetcode.com/problems/maximum-product-subarray https://leetcode.com/problems/longest-common-subsequence
365 416 152 Partition Equal Subset Sum Maximum Product Subarray 43.7% 31.7% Medium Medium 0.034301326353463016 0.034438665054543384 https://leetcode.com/problems/partition-equal-subset-sum https://leetcode.com/problems/maximum-product-subarray
366 480 416 Sliding Window Median Partition Equal Subset Sum 37.2% 43.7% Hard Medium 0.03373001037669306 0.034301326353463016 https://leetcode.com/problems/sliding-window-median https://leetcode.com/problems/partition-equal-subset-sum
367 104 480 Maximum Depth of Binary Tree Sliding Window Median 66.0% 37.2% Easy Hard 0.03362699323605452 0.03373001037669306 https://leetcode.com/problems/maximum-depth-of-binary-tree https://leetcode.com/problems/sliding-window-median
368 707 104 Design Linked List Maximum Depth of Binary Tree 24.5% 66.0% Medium Easy 0.03356019649230184 0.03362699323605452 https://leetcode.com/problems/design-linked-list https://leetcode.com/problems/maximum-depth-of-binary-tree
369 832 707 Flipping an Image Design Linked List 76.2% 24.5% Easy Medium 0.03267078228954871 0.03356019649230184 https://leetcode.com/problems/flipping-an-image https://leetcode.com/problems/design-linked-list
370 237 832 Delete Node in a Linked List Flipping an Image 63.8% 76.2% Easy Easy 0.031728549820175866 0.03267078228954871 https://leetcode.com/problems/delete-node-in-a-linked-list https://leetcode.com/problems/flipping-an-image
371 1091 237 Shortest Path in Binary Matrix Delete Node in a Linked List 38.2% 63.8% Medium Easy 0.03164821095078173 0.031728549820175866 https://leetcode.com/problems/shortest-path-in-binary-matrix https://leetcode.com/problems/delete-node-in-a-linked-list
372 228 1091 Summary Ranges Shortest Path in Binary Matrix 39.5% 38.2% Medium Medium 0.03157326191609021 0.03164821095078173 https://leetcode.com/problems/summary-ranges https://leetcode.com/problems/shortest-path-in-binary-matrix
373 187 228 Repeated DNA Sequences Summary Ranges 38.9% 39.5% Medium Medium 0.03147388037973136 0.03157326191609021 https://leetcode.com/problems/repeated-dna-sequences https://leetcode.com/problems/summary-ranges
374 323 187 Number of Connected Components in an Undirected Graph Repeated DNA Sequences 56.0% 38.9% Medium Medium 0.031399753867979864 0.03147388037973136 https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph https://leetcode.com/problems/repeated-dna-sequences
375 867 323 Transpose Matrix Number of Connected Components in an Undirected Graph 62.8% 56.0% Easy Medium 0.031179454774354007 0.031399753867979864 https://leetcode.com/problems/transpose-matrix https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
376 131 867 Palindrome Partitioning Transpose Matrix 47.5% 62.8% Medium Easy 0.03101558050692165 0.031179454774354007 https://leetcode.com/problems/palindrome-partitioning https://leetcode.com/problems/transpose-matrix
377 575 131 Distribute Candies Palindrome Partitioning 61.4% 47.5% Easy Medium 0.030890487019338404 0.03101558050692165 https://leetcode.com/problems/distribute-candies https://leetcode.com/problems/palindrome-partitioning
378 6 575 ZigZag Conversion Distribute Candies 36.3% 61.4% Medium Easy 0.03049597862981453 0.030890487019338404 https://leetcode.com/problems/zigzag-conversion https://leetcode.com/problems/distribute-candies
379 316 6 Remove Duplicate Letters ZigZag Conversion 35.8% 36.3% Hard Medium 0.030443751414723153 0.03049597862981453 https://leetcode.com/problems/remove-duplicate-letters https://leetcode.com/problems/zigzag-conversion
380 1027 316 Longest Arithmetic Sequence Remove Duplicate Letters 53.4% 35.8% Medium Hard 0.03030534949532895 0.030443751414723153 https://leetcode.com/problems/longest-arithmetic-sequence https://leetcode.com/problems/remove-duplicate-letters
381 994 1027 Rotting Oranges Longest Arithmetic Sequence 49.2% 53.4% Medium Medium 0.030179582027776965 0.03030534949532895 https://leetcode.com/problems/rotting-oranges https://leetcode.com/problems/longest-arithmetic-sequence
382 16 994 3Sum Closest Rotting Oranges 46.0% 49.2% Medium Medium 0.02976964023166436 0.030179582027776965 https://leetcode.com/problems/3sum-closest https://leetcode.com/problems/rotting-oranges
383 1197 16 Minimum Knight Moves 3Sum Closest 36.1% 46.0% Medium Medium 0.02969780239174205 0.02976964023166436 https://leetcode.com/problems/minimum-knight-moves https://leetcode.com/problems/3sum-closest
384 671 1197 Second Minimum Node In a Binary Tree Minimum Knight Moves 42.7% 36.1% Easy Medium 0.02958795718549609 0.02969780239174205 https://leetcode.com/problems/second-minimum-node-in-a-binary-tree https://leetcode.com/problems/minimum-knight-moves
385 14 671 Longest Common Prefix Second Minimum Node In a Binary Tree 35.4% 42.7% Easy Easy 0.029493413243583278 0.02958795718549609 https://leetcode.com/problems/longest-common-prefix https://leetcode.com/problems/second-minimum-node-in-a-binary-tree
386 169 14 Majority Element Longest Common Prefix 58.7% 35.4% Easy Easy 0.02905829743134675 0.029493413243583278 https://leetcode.com/problems/majority-element https://leetcode.com/problems/longest-common-prefix
387 82 169 Remove Duplicates from Sorted List II Majority Element 36.8% 58.7% Medium Easy 0.028950236662501776 0.02905829743134675 https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii https://leetcode.com/problems/majority-element
388 413 82 Arithmetic Slices Remove Duplicates from Sorted List II 57.9% 36.8% Medium Medium 0.028431197162004825 0.028950236662501776 https://leetcode.com/problems/arithmetic-slices https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
389 852 413 Peak Index in a Mountain Array Arithmetic Slices 71.6% 57.9% Easy Medium 0.02817087696669632 0.028431197162004825 https://leetcode.com/problems/peak-index-in-a-mountain-array https://leetcode.com/problems/arithmetic-slices
390 311 852 Sparse Matrix Multiplication Peak Index in a Mountain Array 61.9% 71.6% Medium Easy 0.027702602549335792 0.02817087696669632 https://leetcode.com/problems/sparse-matrix-multiplication https://leetcode.com/problems/peak-index-in-a-mountain-array
391 472 311 Concatenated Words Sparse Matrix Multiplication 43.7% 61.9% Hard Medium 0.027664281472355556 0.027702602549335792 https://leetcode.com/problems/concatenated-words https://leetcode.com/problems/sparse-matrix-multiplication
392 498 472 Diagonal Traverse Concatenated Words 48.2% 43.7% Medium Hard 0.02756894104498661 0.027664281472355556 https://leetcode.com/problems/diagonal-traverse https://leetcode.com/problems/concatenated-words
393 172 498 Factorial Trailing Zeroes Diagonal Traverse 37.8% 48.2% Easy Medium 0.02752467339009002 0.02756894104498661 https://leetcode.com/problems/factorial-trailing-zeroes https://leetcode.com/problems/diagonal-traverse
394 29 172 Divide Two Integers Factorial Trailing Zeroes 16.4% 37.8% Medium Easy 0.026820246545985277 0.02752467339009002 https://leetcode.com/problems/divide-two-integers https://leetcode.com/problems/factorial-trailing-zeroes
395 373 29 Find K Pairs with Smallest Sums Divide Two Integers 36.7% 16.4% Medium Medium 0.02626546261018635 0.026820246545985277 https://leetcode.com/problems/find-k-pairs-with-smallest-sums https://leetcode.com/problems/divide-two-integers
396 541 373 Reverse String II Find K Pairs with Smallest Sums 48.4% 36.7% Easy Medium 0.025349899895526405 0.02626546261018635 https://leetcode.com/problems/reverse-string-ii https://leetcode.com/problems/find-k-pairs-with-smallest-sums
397 717 541 1-bit and 2-bit Characters Reverse String II 48.8% 48.4% Easy Easy 0.025269822188076344 0.025349899895526405 https://leetcode.com/problems/1-bit-and-2-bit-characters https://leetcode.com/problems/reverse-string-ii
398 785 717 Is Graph Bipartite? 1-bit and 2-bit Characters 47.5% 48.8% Medium Easy 0.02510592113107633 0.025269822188076344 https://leetcode.com/problems/is-graph-bipartite https://leetcode.com/problems/1-bit-and-2-bit-characters
399 220 785 Contains Duplicate III Is Graph Bipartite? 20.9% 47.5% Medium Medium 0.024876904755404577 0.02510592113107633 https://leetcode.com/problems/contains-duplicate-iii https://leetcode.com/problems/is-graph-bipartite
400 202 220 Happy Number Contains Duplicate III 50.4% 20.9% Easy Medium 0.02483442856330386 0.024876904755404577 https://leetcode.com/problems/happy-number https://leetcode.com/problems/contains-duplicate-iii
401 735 202 Asteroid Collision Happy Number 41.0% 50.4% Medium Easy 0.024723138086794758 0.02483442856330386 https://leetcode.com/problems/asteroid-collision https://leetcode.com/problems/happy-number
402 977 735 Squares of a Sorted Array Asteroid Collision 72.1% 41.0% Easy Medium 0.02407434514623628 0.024723138086794758 https://leetcode.com/problems/squares-of-a-sorted-array https://leetcode.com/problems/asteroid-collision
403 704 977 Binary Search Squares of a Sorted Array 52.1% 72.1% Easy Easy 0.02368531774150923 0.02407434514623628 https://leetcode.com/problems/binary-search https://leetcode.com/problems/squares-of-a-sorted-array
404 282 704 Expression Add Operators Binary Search 35.5% 52.1% Hard Easy 0.022523474667082946 0.02368531774150923 https://leetcode.com/problems/expression-add-operators https://leetcode.com/problems/binary-search
405 221 282 Maximal Square Expression Add Operators 37.7% 35.5% Medium Hard 0.022108490754203434 0.022523474667082946 https://leetcode.com/problems/maximal-square https://leetcode.com/problems/expression-add-operators
406 226 221 Invert Binary Tree Maximal Square 65.0% 37.7% Easy Medium 0.021852822620514783 0.022108490754203434 https://leetcode.com/problems/invert-binary-tree https://leetcode.com/problems/maximal-square
407 112 226 Path Sum Invert Binary Tree 41.2% 65.0% Easy Easy 0.021701651897460775 0.021852822620514783 https://leetcode.com/problems/path-sum https://leetcode.com/problems/invert-binary-tree
408 905 112 Sort Array By Parity Path Sum 74.1% 41.2% Easy Easy 0.02148053951675942 0.021701651897460775 https://leetcode.com/problems/sort-array-by-parity https://leetcode.com/problems/path-sum
409 459 905 Repeated Substring Pattern Sort Array By Parity 42.2% 74.1% Easy Easy 0.021402636114384706 0.02148053951675942 https://leetcode.com/problems/repeated-substring-pattern https://leetcode.com/problems/sort-array-by-parity
410 359 459 Logger Rate Limiter Repeated Substring Pattern 70.8% 42.2% Easy Easy 0.021053409197832343 0.021402636114384706 https://leetcode.com/problems/logger-rate-limiter https://leetcode.com/problems/repeated-substring-pattern
411 670 359 Maximum Swap Logger Rate Limiter 43.6% 70.8% Medium Easy 0.020844944430365928 0.021053409197832343 https://leetcode.com/problems/maximum-swap https://leetcode.com/problems/logger-rate-limiter
412 350 670 Intersection of Two Arrays II Maximum Swap 51.4% 43.6% Easy Medium 0.020680587107206983 0.020844944430365928 https://leetcode.com/problems/intersection-of-two-arrays-ii https://leetcode.com/problems/maximum-swap
413 60 350 Permutation Sequence Intersection of Two Arrays II 38.4% 51.4% Hard Easy 0.020471543980187256 0.020680587107206983 https://leetcode.com/problems/permutation-sequence https://leetcode.com/problems/intersection-of-two-arrays-ii
414 166 60 Fraction to Recurring Decimal Permutation Sequence 21.6% 38.4% Medium Hard 0.02015181543730795 0.020471543980187256 https://leetcode.com/problems/fraction-to-recurring-decimal https://leetcode.com/problems/permutation-sequence
415 525 166 Contiguous Array Fraction to Recurring Decimal 42.8% 21.6% Medium Medium 0.01975372873623256 0.02015181543730795 https://leetcode.com/problems/contiguous-array https://leetcode.com/problems/fraction-to-recurring-decimal
416 1122 525 Relative Sort Array Contiguous Array 67.7% 42.8% Easy Medium 0.019685675071030327 0.01975372873623256 https://leetcode.com/problems/relative-sort-array https://leetcode.com/problems/contiguous-array
417 435 1122 Non-overlapping Intervals Relative Sort Array 42.9% 67.7% Medium Easy 0.019455866615365896 0.019685675071030327 https://leetcode.com/problems/non-overlapping-intervals https://leetcode.com/problems/relative-sort-array
418 399 435 Evaluate Division Non-overlapping Intervals 51.6% 42.9% Medium Medium 0.019380451549662482 0.019455866615365896 https://leetcode.com/problems/evaluate-division https://leetcode.com/problems/non-overlapping-intervals
419 674 399 Longest Continuous Increasing Subsequence Evaluate Division 45.9% 51.6% Easy Medium 0.01900294712561538 0.019380451549662482 https://leetcode.com/problems/longest-continuous-increasing-subsequence https://leetcode.com/problems/evaluate-division
420 1155 674 Number of Dice Rolls With Target Sum Longest Continuous Increasing Subsequence 49.0% 45.9% Medium Easy 0.018904154639152678 0.01900294712561538 https://leetcode.com/problems/number-of-dice-rolls-with-target-sum https://leetcode.com/problems/longest-continuous-increasing-subsequence
421 9 1155 Palindrome Number Number of Dice Rolls With Target Sum 48.4% 49.0% Easy Medium 0.018837205580381582 0.018904154639152678 https://leetcode.com/problems/palindrome-number https://leetcode.com/problems/number-of-dice-rolls-with-target-sum
422 787 9 Cheapest Flights Within K Stops Palindrome Number 39.3% 48.4% Medium Easy 0.018824085245635554 0.018837205580381582 https://leetcode.com/problems/cheapest-flights-within-k-stops https://leetcode.com/problems/palindrome-number
423 1008 787 Construct Binary Search Tree from Preorder Traversal Cheapest Flights Within K Stops 78.4% 39.3% Medium Medium 0.01844220088035248 0.018824085245635554 https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal https://leetcode.com/problems/cheapest-flights-within-k-stops
424 136 1008 Single Number Construct Binary Search Tree from Preorder Traversal 65.5% 78.4% Easy Medium 0.017801666336826266 0.01844220088035248 https://leetcode.com/problems/single-number https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal
425 993 136 Cousins in Binary Tree Single Number 52.0% 65.5% Easy Easy 0.017414458368636587 0.017801666336826266 https://leetcode.com/problems/cousins-in-binary-tree https://leetcode.com/problems/single-number
426 95 993 Unique Binary Search Trees II Cousins in Binary Tree 40.6% 52.0% Medium Easy 0.016856699181010838 0.017414458368636587 https://leetcode.com/problems/unique-binary-search-trees-ii https://leetcode.com/problems/cousins-in-binary-tree
427 191 95 Number of 1 Bits Unique Binary Search Trees II 49.8% 40.6% Easy Medium 0.01673523624045844 0.016856699181010838 https://leetcode.com/problems/number-of-1-bits https://leetcode.com/problems/unique-binary-search-trees-ii
428 176 191 Second Highest Salary Number of 1 Bits 31.6% 49.8% Easy Easy 0.01655971603901838 0.01673523624045844 https://leetcode.com/problems/second-highest-salary https://leetcode.com/problems/number-of-1-bits
429 299 176 Bulls and Cows Second Highest Salary 42.4% 31.6% Easy Easy 0.016227536621756702 0.01655971603901838 https://leetcode.com/problems/bulls-and-cows https://leetcode.com/problems/second-highest-salary
430 938 299 Range Sum of BST Bulls and Cows 81.3% 42.4% Easy Easy 0.015707129205357877 0.016227536621756702 https://leetcode.com/problems/range-sum-of-bst https://leetcode.com/problems/bulls-and-cows
431 929 938 Unique Email Addresses Range Sum of BST 67.4% 81.3% Easy Easy 0.01514033463141179 0.015707129205357877 https://leetcode.com/problems/unique-email-addresses https://leetcode.com/problems/range-sum-of-bst
432 217 929 Contains Duplicate Unique Email Addresses 56.0% 67.4% Easy Easy 0.015106027431013205 0.01514033463141179 https://leetcode.com/problems/contains-duplicate https://leetcode.com/problems/unique-email-addresses
433 367 217 Valid Perfect Square Contains Duplicate 41.7% 56.0% Easy Easy 0.014992784586141334 0.015106027431013205 https://leetcode.com/problems/valid-perfect-square https://leetcode.com/problems/contains-duplicate
434 106 367 Construct Binary Tree from Inorder and Postorder Traversal Valid Perfect Square 47.2% 41.7% Medium Easy 0.014538520789527288 0.014992784586141334 https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal https://leetcode.com/problems/valid-perfect-square
435 107 106 Binary Tree Level Order Traversal II Construct Binary Tree from Inorder and Postorder Traversal 53.5% 47.2% Easy Medium 0.014395642075089957 0.014538520789527288 https://leetcode.com/problems/binary-tree-level-order-traversal-ii https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal
436 222 107 Count Complete Tree Nodes Binary Tree Level Order Traversal II 46.8% 53.5% Medium Easy 0.014015646388344492 0.014395642075089957 https://leetcode.com/problems/count-complete-tree-nodes https://leetcode.com/problems/binary-tree-level-order-traversal-ii
437 144 222 Binary Tree Preorder Traversal Count Complete Tree Nodes 55.7% 46.8% Medium Medium 0.013667638728663807 0.014015646388344492 https://leetcode.com/problems/binary-tree-preorder-traversal https://leetcode.com/problems/count-complete-tree-nodes
438 1192 144 Critical Connections in a Network Binary Tree Preorder Traversal 48.6% 55.7% Hard Medium 0.01352742981715631 0.013667638728663807 https://leetcode.com/problems/critical-connections-in-a-network https://leetcode.com/problems/binary-tree-preorder-traversal
439 303 1192 Range Sum Query - Immutable Critical Connections in a Network 44.7% 48.6% Easy Hard 0.013240842236997532 0.01352742981715631 https://leetcode.com/problems/range-sum-query-immutable https://leetcode.com/problems/critical-connections-in-a-network
440 120 303 Triangle Range Sum Query - Immutable 44.2% 44.7% Medium Easy 0.013236460625830901 0.013240842236997532 https://leetcode.com/problems/triangle https://leetcode.com/problems/range-sum-query-immutable
441 496 120 Next Greater Element I Triangle 63.8% 44.2% Easy Medium 0.013201511858535894 0.013236460625830901 https://leetcode.com/problems/next-greater-element-i https://leetcode.com/problems/triangle
442 219 496 Contains Duplicate II Next Greater Element I 37.7% 63.8% Easy Easy 0.01276748910345265 0.013201511858535894 https://leetcode.com/problems/contains-duplicate-ii https://leetcode.com/problems/next-greater-element-i
443 743 219 Network Delay Time Contains Duplicate II 45.0% 37.7% Medium Easy 0.012743084194281933 0.01276748910345265 https://leetcode.com/problems/network-delay-time https://leetcode.com/problems/contains-duplicate-ii
444 213 743 House Robber II Network Delay Time 36.5% 45.0% Medium Medium 0.012654392210497564 0.012743084194281933 https://leetcode.com/problems/house-robber-ii https://leetcode.com/problems/network-delay-time
445 50 213 Pow(x;n) House Robber II 30.3% 36.5% Medium Medium 0.01254502984008178 0.012654392210497564 https://leetcode.com/problems/powx-n https://leetcode.com/problems/house-robber-ii
446 437 50 Path Sum III Pow(x;n) 47.2% 30.3% Medium Medium 0.012128711446614806 0.01254502984008178 https://leetcode.com/problems/path-sum-iii https://leetcode.com/problems/powx-n
447 278 437 First Bad Version Path Sum III 35.7% 47.2% Easy Medium 0.012090421323816148 0.012128711446614806 https://leetcode.com/problems/first-bad-version https://leetcode.com/problems/path-sum-iii
448 90 278 Subsets II First Bad Version 47.1% 35.7% Medium Easy 0.011412392051744769 0.012090421323816148 https://leetcode.com/problems/subsets-ii https://leetcode.com/problems/first-bad-version
449 494 90 Target Sum Subsets II 46.3% 47.1% Medium Medium 0.011062059705858562 0.011412392051744769 https://leetcode.com/problems/target-sum https://leetcode.com/problems/subsets-ii
450 463 494 Island Perimeter Target Sum 65.7% 46.3% Easy Medium 0.010935046086198837 0.011062059705858562 https://leetcode.com/problems/island-perimeter https://leetcode.com/problems/target-sum
451 338 463 Counting Bits Island Perimeter 69.5% 65.7% Medium Easy 0.01088446119842327 0.010935046086198837 https://leetcode.com/problems/counting-bits https://leetcode.com/problems/island-perimeter
452 257 338 Binary Tree Paths Counting Bits 51.5% 69.5% Easy Medium 0.010457611643958139 0.01088446119842327 https://leetcode.com/problems/binary-tree-paths https://leetcode.com/problems/counting-bits
453 211 257 Add and Search Word - Data structure design Binary Tree Paths 38.1% 51.5% Medium Easy 0.010438508143923443 0.010457611643958139 https://leetcode.com/problems/add-and-search-word-data-structure-design https://leetcode.com/problems/binary-tree-paths
454 35 211 Search Insert Position Add and Search Word - Data structure design 42.6% 38.1% Easy Medium 0.010425207359624364 0.010438508143923443 https://leetcode.com/problems/search-insert-position https://leetcode.com/problems/add-and-search-word-data-structure-design
455 414 35 Third Maximum Number Search Insert Position 30.5% 42.6% Easy Easy 0.010357420400453607 0.010425207359624364 https://leetcode.com/problems/third-maximum-number https://leetcode.com/problems/search-insert-position
456 231 414 Power of Two Third Maximum Number 43.7% 30.5% Easy Easy 0.0097371752778583 0.010357420400453607 https://leetcode.com/problems/power-of-two https://leetcode.com/problems/third-maximum-number
457 47 231 Permutations II Power of Two 46.4% 43.7% Medium Easy 0.009673594178378379 0.0097371752778583 https://leetcode.com/problems/permutations-ii https://leetcode.com/problems/power-of-two
458 96 47 Unique Binary Search Trees Permutations II 52.9% 46.4% Medium Medium 0.009242209964820877 0.009673594178378379 https://leetcode.com/problems/unique-binary-search-trees https://leetcode.com/problems/permutations-ii
459 279 96 Perfect Squares Unique Binary Search Trees 47.4% 52.9% Medium Medium 0.009216655104924008 0.009242209964820877 https://leetcode.com/problems/perfect-squares https://leetcode.com/problems/unique-binary-search-trees
460 1249 279 Minimum Remove to Make Valid Parentheses Perfect Squares 62.5% 47.4% Medium Medium 0.009195467093100304 0.009216655104924008 https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses https://leetcode.com/problems/perfect-squares
461 953 1249 Verifying an Alien Dictionary Minimum Remove to Make Valid Parentheses 54.1% 62.5% Easy Medium 0.007884921592696038 0.009195467093100304 https://leetcode.com/problems/verifying-an-alien-dictionary https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
462 111 953 Minimum Depth of Binary Tree Verifying an Alien Dictionary 37.4% 54.1% Easy Easy 0.0066203485760693214 0.007884921592696038 https://leetcode.com/problems/minimum-depth-of-binary-tree https://leetcode.com/problems/verifying-an-alien-dictionary
463 100 111 Same Tree Minimum Depth of Binary Tree 53.4% 37.4% Easy Easy 0.005620163024677507 0.0066203485760693214 https://leetcode.com/problems/same-tree https://leetcode.com/problems/minimum-depth-of-binary-tree
464 485 100 Max Consecutive Ones Same Tree 54.6% 53.4% Easy Easy 0.005314920829289628 0.005620163024677507 https://leetcode.com/problems/max-consecutive-ones https://leetcode.com/problems/same-tree
465 1470 485 Shuffle the Array Max Consecutive Ones 88.9% 54.6% Easy Easy 0.004527967890154029 0.005314920829289628 https://leetcode.com/problems/shuffle-the-array https://leetcode.com/problems/max-consecutive-ones
466 27 1470 Remove Element Shuffle the Array 48.2% 88.9% Easy Easy 0.0035524016043678225 0.004527967890154029 https://leetcode.com/problems/remove-element https://leetcode.com/problems/shuffle-the-array
467 1344 27 Angle Between Hands of a Clock Remove Element 61.4% 48.2% Medium Easy 0.0019544616795205403 0.0035524016043678225 https://leetcode.com/problems/angle-between-hands-of-a-clock https://leetcode.com/problems/remove-element
468 67 1344 Add Binary Angle Between Hands of a Clock 45.2% 61.4% Easy Medium 0.0016620272243229827 0.0019544616795205403 https://leetcode.com/problems/add-binary https://leetcode.com/problems/angle-between-hands-of-a-clock
469 203 67 Remove Linked List Elements Add Binary 38.6% 45.2% Easy Easy 0.0016237064659255223 0.0016620272243229827 https://leetcode.com/problems/remove-linked-list-elements https://leetcode.com/problems/add-binary
470 203 Remove Linked List Elements 38.6% Easy 0.0016237064659255223 https://leetcode.com/problems/remove-linked-list-elements