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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

577
apple_1year.csv
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@@ -1,288 +1,289 @@
284,Peeking Iterator,45.7%,Medium,0.9541838033314709, https://leetcode.com/problems/peeking-iterator
1,Two Sum,45.6%,Easy,0.8672052300421611, https://leetcode.com/problems/two-sum
1095,Find in Mountain Array,35.8%,Hard,0.7768088090462424, https://leetcode.com/problems/find-in-mountain-array
391,Perfect Rectangle,30.5%,Hard,0.6864123880503237, https://leetcode.com/problems/perfect-rectangle
146,LRU Cache,33.2%,Medium,0.6316265551298528, https://leetcode.com/problems/lru-cache
341,Flatten Nested List Iterator,52.9%,Medium,0.5412301341339341, https://leetcode.com/problems/flatten-nested-list-iterator
428,Serialize and Deserialize N-ary Tree,59.4%,Hard,0.4508337131380154, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
212,Word Search II,34.9%,Hard,0.44245091388616276, https://leetcode.com/problems/word-search-ii
97,Interleaving String,31.5%,Hard,0.4167762826896874, https://leetcode.com/problems/interleaving-string
4,Median of Two Sorted Arrays,29.6%,Hard,0.38719315710734664, https://leetcode.com/problems/median-of-two-sorted-arrays
53,Maximum Subarray,46.5%,Easy,0.37577757790839306, https://leetcode.com/problems/maximum-subarray
295,Find Median from Data Stream,44.3%,Hard,0.36668121102460977, https://leetcode.com/problems/find-median-from-data-stream
42,Trapping Rain Water,48.9%,Hard,0.36187179404352093, https://leetcode.com/problems/trapping-rain-water
2,Add Two Numbers,33.9%,Medium,0.3595270499317115, https://leetcode.com/problems/add-two-numbers
981,Time Based Key-Value Store,53.1%,Medium,0.3076005525488317, https://leetcode.com/problems/time-based-key-value-store
688,Knight Probability in Chessboard,48.9%,Medium,0.30024869505163937, https://leetcode.com/problems/knight-probability-in-chessboard
1229,Meeting Scheduler,52.7%,Medium,0.2955601745092634, https://leetcode.com/problems/meeting-scheduler
351,Android Unlock Patterns,48.4%,Medium,0.26121549926361765, https://leetcode.com/problems/android-unlock-patterns
609,Find Duplicate File in System,59.5%,Medium,0.25388017696233983, https://leetcode.com/problems/find-duplicate-file-in-system
348,Design Tic-Tac-Toe,54.3%,Medium,0.19933290262049122, https://leetcode.com/problems/design-tic-tac-toe
49,Group Anagrams,56.9%,Medium,0.19424008455548245, https://leetcode.com/problems/group-anagrams
12,Integer to Roman,55.1%,Medium,0.19410560740412444, https://leetcode.com/problems/integer-to-roman
200,Number of Islands,46.8%,Medium,0.18986549858506208, https://leetcode.com/problems/number-of-islands
227,Basic Calculator II,36.9%,Medium,0.18200959297922678, https://leetcode.com/problems/basic-calculator-ii
1278,Palindrome Partitioning III,59.9%,Hard,0.17284281283941086, https://leetcode.com/problems/palindrome-partitioning-iii
821,Shortest Distance to a Character,66.9%,Easy,0.16229864091884685, https://leetcode.com/problems/shortest-distance-to-a-character
311,Sparse Matrix Multiplication,61.9%,Medium,0.16174615907749956, https://leetcode.com/problems/sparse-matrix-multiplication
206,Reverse Linked List,62.5%,Easy,0.1563653350583309, https://leetcode.com/problems/reverse-linked-list
238,Product of Array Except Self,60.1%,Medium,0.15391154801525797, https://leetcode.com/problems/product-of-array-except-self
5,Longest Palindromic Substring,29.5%,Medium,0.152609187700488, https://leetcode.com/problems/longest-palindromic-substring
403,Frog Jump,39.7%,Hard,0.1519909531790461, https://leetcode.com/problems/frog-jump
362,Design Hit Counter,63.7%,Medium,0.1489960292385938, https://leetcode.com/problems/design-hit-counter
269,Alien Dictionary,33.3%,Hard,0.14578781346149866, https://leetcode.com/problems/alien-dictionary
546,Remove Boxes,42.7%,Hard,0.14361551169114867, https://leetcode.com/problems/remove-boxes
836,Rectangle Overlap,48.6%,Easy,0.14261022668001652, https://leetcode.com/problems/rectangle-overlap
658,Find K Closest Elements,40.9%,Medium,0.14041717882974725, https://leetcode.com/problems/find-k-closest-elements
996,Number of Squareful Arrays,47.8%,Hard,0.13767409129953323, https://leetcode.com/problems/number-of-squareful-arrays
139,Word Break,40.1%,Medium,0.1314440532234174, https://leetcode.com/problems/word-break
54,Spiral Matrix,34.1%,Medium,0.12572728493821236, https://leetcode.com/problems/spiral-matrix
636,Exclusive Time of Functions,52.0%,Medium,0.12466318981419816, https://leetcode.com/problems/exclusive-time-of-functions
741,Cherry Pickup,33.9%,Hard,0.12293768624504794, https://leetcode.com/problems/cherry-pickup
202,Happy Number,50.4%,Easy,0.11982401289364229, https://leetcode.com/problems/happy-number
3,Longest Substring Without Repeating Characters,30.4%,Medium,0.11876423093459514, https://leetcode.com/problems/longest-substring-without-repeating-characters
329,Longest Increasing Path in a Matrix,43.4%,Hard,0.11459264165812869, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
36,Valid Sudoku,48.7%,Medium,0.11024748048381532, https://leetcode.com/problems/valid-sudoku
472,Concatenated Words,43.7%,Hard,0.10634180122055205, https://leetcode.com/problems/concatenated-words
388,Longest Absolute File Path,41.8%,Medium,0.105981440856292, https://leetcode.com/problems/longest-absolute-file-path
343,Integer Break,50.4%,Medium,0.10446541455492596, https://leetcode.com/problems/integer-break
88,Merge Sorted Array,39.4%,Easy,0.10303644235421959, https://leetcode.com/problems/merge-sorted-array
393,UTF-8 Validation,37.5%,Medium,0.10212949507637983, https://leetcode.com/problems/utf-8-validation
223,Rectangle Area,37.8%,Medium,0.10064352577968744, https://leetcode.com/problems/rectangle-area
56,Merge Intervals,39.3%,Medium,0.10005860920617055, https://leetcode.com/problems/merge-intervals
48,Rotate Image,56.7%,Medium,0.09844007281325252, https://leetcode.com/problems/rotate-image
733,Flood Fill,55.3%,Easy,0.09669362480247104, https://leetcode.com/problems/flood-fill
23,Merge k Sorted Lists,40.2%,Hard,0.09666556212354038, https://leetcode.com/problems/merge-k-sorted-lists
837,New 21 Game,34.6%,Medium,0.09646026618756222, https://leetcode.com/problems/new-21-game
642,Design Search Autocomplete System,44.7%,Hard,0.09500811062818718, https://leetcode.com/problems/design-search-autocomplete-system
87,Scramble String,33.7%,Hard,0.09333193979221914, https://leetcode.com/problems/scramble-string
384,Shuffle an Array,52.8%,Medium,0.09170644621893462, https://leetcode.com/problems/shuffle-an-array
127,Word Ladder,29.6%,Medium,0.09162341383415479, https://leetcode.com/problems/word-ladder
545,Boundary of Binary Tree,38.9%,Medium,0.091248671465145, https://leetcode.com/problems/boundary-of-binary-tree
266,Palindrome Permutation,61.9%,Easy,0.091248671465145, https://leetcode.com/problems/palindrome-permutation
381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.09106388892287375, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
15,3Sum,26.8%,Medium,0.08893577620894672, https://leetcode.com/problems/3sum
739,Daily Temperatures,63.3%,Medium,0.08686431971055465, https://leetcode.com/problems/daily-temperatures
177,Nth Highest Salary,31.4%,Medium,0.0866192142068847, https://leetcode.com/problems/nth-highest-salary
18,4Sum,33.7%,Medium,0.08527891770220855, https://leetcode.com/problems/4sum
124,Binary Tree Maximum Path Sum,34.3%,Hard,0.08503327428149603, https://leetcode.com/problems/binary-tree-maximum-path-sum
909,Snakes and Ladders,38.4%,Medium,0.08392620769993404, https://leetcode.com/problems/snakes-and-ladders
509,Fibonacci Number,67.2%,Easy,0.08383840268320984, https://leetcode.com/problems/fibonacci-number
297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.0834242216674795, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
193,Valid Phone Numbers,25.3%,Easy,0.08269171584511335, https://leetcode.com/problems/valid-phone-numbers
34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.08268327002043342, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
46,Permutations,63.5%,Medium,0.08209632149618187, https://leetcode.com/problems/permutations
387,First Unique Character in a String,53.4%,Easy,0.08151765202603821, https://leetcode.com/problems/first-unique-character-in-a-string
729,My Calendar I,51.8%,Medium,0.0801854119192299, https://leetcode.com/problems/my-calendar-i
14,Longest Common Prefix,35.4%,Easy,0.07987000438694741, https://leetcode.com/problems/longest-common-prefix
128,Longest Consecutive Sequence,45.1%,Hard,0.0786603197723907, https://leetcode.com/problems/longest-consecutive-sequence
125,Valid Palindrome,36.7%,Easy,0.07766984472754161, https://leetcode.com/problems/valid-palindrome
1221,Split a String in Balanced Strings,83.3%,Easy,0.07634057217232601, https://leetcode.com/problems/split-a-string-in-balanced-strings
273,Integer to English Words,27.1%,Hard,0.0732177031685638, https://leetcode.com/problems/integer-to-english-words
236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.07288369759447264, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
986,Interval List Intersections,67.3%,Medium,0.07255865182314948, https://leetcode.com/problems/interval-list-intersections
394,Decode String,50.0%,Medium,0.07120444629179161, https://leetcode.com/problems/decode-string
632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.07082605256861242, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
253,Meeting Rooms II,45.7%,Medium,0.07046545668000562, https://leetcode.com/problems/meeting-rooms-ii
187,Repeated DNA Sequences,38.9%,Medium,0.06947237281476738, https://leetcode.com/problems/repeated-dna-sequences
867,Transpose Matrix,62.8%,Easy,0.06883450582029693, https://leetcode.com/problems/transpose-matrix
17,Letter Combinations of a Phone Number,46.8%,Medium,0.06820582606617018, https://leetcode.com/problems/letter-combinations-of-a-phone-number
16,3Sum Closest,46.0%,Medium,0.065777130514714, https://leetcode.com/problems/3sum-closest
178,Rank Scores,45.8%,Medium,0.06551667145414991, https://leetcode.com/problems/rank-scores
86,Partition List,41.5%,Medium,0.06170036851169576, https://leetcode.com/problems/partition-list
75,Sort Colors,47.3%,Medium,0.05950522970614658, https://leetcode.com/problems/sort-colors
528,Random Pick with Weight,43.9%,Medium,0.05805039128849884, https://leetcode.com/problems/random-pick-with-weight
417,Pacific Atlantic Water Flow,41.1%,Medium,0.057523844138186606, https://leetcode.com/problems/pacific-atlantic-water-flow
283,Move Zeroes,57.8%,Easy,0.05686540295029014, https://leetcode.com/problems/move-zeroes
102,Binary Tree Level Order Traversal,54.6%,Medium,0.056692473087026664, https://leetcode.com/problems/binary-tree-level-order-traversal
136,Single Number,65.5%,Easy,0.05656352626214251, https://leetcode.com/problems/single-number
41,First Missing Positive,32.0%,Hard,0.056273635982108605, https://leetcode.com/problems/first-missing-positive
21,Merge Two Sorted Lists,53.5%,Easy,0.05490757117845869, https://leetcode.com/problems/merge-two-sorted-lists
7,Reverse Integer,25.8%,Easy,0.054824382173728654, https://leetcode.com/problems/reverse-integer
443,String Compression,41.3%,Easy,0.05450940566837169, https://leetcode.com/problems/string-compression
594,Longest Harmonious Subsequence,46.6%,Easy,0.054435206555017046, https://leetcode.com/problems/longest-harmonious-subsequence
332,Reconstruct Itinerary,36.7%,Medium,0.053921416793820044, https://leetcode.com/problems/reconstruct-itinerary
1275,Find Winner on a Tic Tac Toe Game,52.8%,Easy,0.05292240145434251, https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
31,Next Permutation,32.6%,Medium,0.05265913800819017, https://leetcode.com/problems/next-permutation
687,Longest Univalue Path,36.2%,Easy,0.05212529063213289, https://leetcode.com/problems/longest-univalue-path
120,Triangle,44.2%,Medium,0.05192600557601006, https://leetcode.com/problems/triangle
622,Design Circular Queue,43.7%,Medium,0.049844204077291364, https://leetcode.com/problems/design-circular-queue
133,Clone Graph,34.8%,Medium,0.049801168649527466, https://leetcode.com/problems/clone-graph
518,Coin Change 2,50.2%,Medium,0.04919528672454412, https://leetcode.com/problems/coin-change-2
108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.048909503032274274, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
445,Add Two Numbers II,54.5%,Medium,0.04843561709959499, https://leetcode.com/problems/add-two-numbers-ii
336,Palindrome Pairs,33.7%,Hard,0.04690191367275952, https://leetcode.com/problems/palindrome-pairs
453,Minimum Moves to Equal Array Elements,50.2%,Easy,0.04652001563489285, https://leetcode.com/problems/minimum-moves-to-equal-array-elements
442,Find All Duplicates in an Array,67.8%,Medium,0.04590593720045213, https://leetcode.com/problems/find-all-duplicates-in-an-array
8,String to Integer (atoi),15.4%,Medium,0.04549614908874012, https://leetcode.com/problems/string-to-integer-atoi
232,Implement Queue using Stacks,49.6%,Easy,0.04423053722733957, https://leetcode.com/problems/implement-queue-using-stacks
93,Restore IP Addresses,35.6%,Medium,0.04393092922572675, https://leetcode.com/problems/restore-ip-addresses
895,Maximum Frequency Stack,60.6%,Hard,0.04329680575332419, https://leetcode.com/problems/maximum-frequency-stack
490,The Maze,51.4%,Medium,0.04287902305923364, https://leetcode.com/problems/the-maze
515,Find Largest Value in Each Tree Row,61.1%,Medium,0.042459207771791546, https://leetcode.com/problems/find-largest-value-in-each-tree-row
140,Word Break II,32.6%,Hard,0.04245795568707049, https://leetcode.com/problems/word-break-ii
121,Best Time to Buy and Sell Stock,50.5%,Easy,0.04215422741819192, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.04214343508255059, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
141,Linked List Cycle,41.1%,Easy,0.0419797805851107, https://leetcode.com/problems/linked-list-cycle
155,Min Stack,44.5%,Easy,0.04194952712763244, https://leetcode.com/problems/min-stack
647,Palindromic Substrings,60.6%,Medium,0.040968350772541844, https://leetcode.com/problems/palindromic-substrings
37,Sudoku Solver,43.6%,Hard,0.040527833612118376, https://leetcode.com/problems/sudoku-solver
25,Reverse Nodes in k-Group,42.1%,Hard,0.040236757867738004, https://leetcode.com/problems/reverse-nodes-in-k-group
256,Paint House,52.1%,Easy,0.03937516523483013, https://leetcode.com/problems/paint-house
344,Reverse String,68.5%,Easy,0.0393340697038369, https://leetcode.com/problems/reverse-string
706,Design HashMap,61.3%,Easy,0.039016652342451774, https://leetcode.com/problems/design-hashmap
1060,Missing Element in Sorted Array,54.5%,Medium,0.03879796954098255, https://leetcode.com/problems/missing-element-in-sorted-array
168,Excel Sheet Column Title,31.1%,Easy,0.03861483612777958, https://leetcode.com/problems/excel-sheet-column-title
24,Swap Nodes in Pairs,50.4%,Medium,0.03826607060639552, https://leetcode.com/problems/swap-nodes-in-pairs
863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.037756162417993476, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
11,Container With Most Water,50.8%,Medium,0.03694630107228425, https://leetcode.com/problems/container-with-most-water
51,N-Queens,46.6%,Hard,0.03651521297509749, https://leetcode.com/problems/n-queens
43,Multiply Strings,33.9%,Medium,0.03608871558298825, https://leetcode.com/problems/multiply-strings
59,Spiral Matrix II,53.9%,Medium,0.0351873674509732, https://leetcode.com/problems/spiral-matrix-ii
374,Guess Number Higher or Lower,43.1%,Easy,0.03422387238757742, https://leetcode.com/problems/guess-number-higher-or-lower
886,Possible Bipartition,44.2%,Medium,0.034103901828857086, https://leetcode.com/problems/possible-bipartition
287,Find the Duplicate Number,55.5%,Medium,0.033896954598043594, https://leetcode.com/problems/find-the-duplicate-number
480,Sliding Window Median,37.2%,Hard,0.03373001037669306, https://leetcode.com/problems/sliding-window-median
694,Number of Distinct Islands,56.0%,Medium,0.03278982282299087, https://leetcode.com/problems/number-of-distinct-islands
300,Longest Increasing Subsequence,42.6%,Medium,0.03245773693742074, https://leetcode.com/problems/longest-increasing-subsequence
1146,Snapshot Array,37.0%,Medium,0.0317991816929387, https://leetcode.com/problems/snapshot-array
1114,Print in Order,65.7%,Easy,0.0317486983145803, https://leetcode.com/problems/print-in-order
304,Range Sum Query 2D - Immutable,38.6%,Medium,0.031036973995576488, https://leetcode.com/problems/range-sum-query-2d-immutable
703,Kth Largest Element in a Stream,49.7%,Easy,0.031004894819414507, https://leetcode.com/problems/kth-largest-element-in-a-stream
460,LFU Cache,34.2%,Hard,0.030962225603966897, https://leetcode.com/problems/lfu-cache
179,Largest Number,28.8%,Medium,0.03093030069135863, https://leetcode.com/problems/largest-number
13,Roman to Integer,55.7%,Easy,0.030443751414723153, https://leetcode.com/problems/roman-to-integer
268,Missing Number,51.7%,Easy,0.03011913009547617, https://leetcode.com/problems/missing-number
1011,Capacity To Ship Packages Within D Days,58.1%,Medium,0.030100090297855955, https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
415,Add Strings,47.5%,Easy,0.030009753867991852, https://leetcode.com/problems/add-strings
135,Candy,31.6%,Hard,0.029764101906453892, https://leetcode.com/problems/candy
277,Find the Celebrity,41.8%,Medium,0.02969780239174205, https://leetcode.com/problems/find-the-celebrity
1197,Minimum Knight Moves,36.1%,Medium,0.02969780239174205, https://leetcode.com/problems/minimum-knight-moves
191,Number of 1 Bits,49.8%,Easy,0.029560622742018188, https://leetcode.com/problems/number-of-1-bits
82,Remove Duplicates from Sorted List II,36.8%,Medium,0.028950236662501776, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
771,Jewels and Stones,86.4%,Easy,0.028825631190792587, https://leetcode.com/problems/jewels-and-stones
33,Search in Rotated Sorted Array,34.5%,Medium,0.0287009496170278, https://leetcode.com/problems/search-in-rotated-sorted-array
62,Unique Paths,54.1%,Medium,0.02853749186115581, https://leetcode.com/problems/unique-paths
77,Combinations,54.7%,Medium,0.028021758737593695, https://leetcode.com/problems/combinations
20,Valid Parentheses,39.0%,Easy,0.02782373445001039, https://leetcode.com/problems/valid-parentheses
68,Text Justification,27.7%,Hard,0.0276451606661453, https://leetcode.com/problems/text-justification
796,Rotate String,49.6%,Easy,0.02701041988276247, https://leetcode.com/problems/rotate-string
29,Divide Two Integers,16.4%,Medium,0.026820246545985277, https://leetcode.com/problems/divide-two-integers
931,Minimum Falling Path Sum,62.5%,Medium,0.02672169681715245, https://leetcode.com/problems/minimum-falling-path-sum
79,Word Search,35.6%,Medium,0.026308653156300807, https://leetcode.com/problems/word-search
143,Reorder List,37.1%,Medium,0.025870945598649286, https://leetcode.com/problems/reorder-list
242,Valid Anagram,56.9%,Easy,0.025684584297773504, https://leetcode.com/problems/valid-anagram
218,The Skyline Problem,34.6%,Hard,0.025479085300984906, https://leetcode.com/problems/the-skyline-problem
1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.025446665661164262, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
162,Find Peak Element,43.3%,Medium,0.02516251642407408, https://leetcode.com/problems/find-peak-element
322,Coin Change,35.5%,Medium,0.024924029676386045, https://leetcode.com/problems/coin-change
220,Contains Duplicate III,20.9%,Medium,0.024876904755404577, https://leetcode.com/problems/contains-duplicate-iii
138,Copy List with Random Pointer,36.4%,Medium,0.02453734514188008, https://leetcode.com/problems/copy-list-with-random-pointer
310,Minimum Height Trees,32.3%,Medium,0.02446605215440636, https://leetcode.com/problems/minimum-height-trees
977,Squares of a Sorted Array,72.1%,Easy,0.02407434514623628, https://leetcode.com/problems/squares-of-a-sorted-array
1315,Sum of Nodes with Even-Valued Grandparent,83.5%,Medium,0.023981964686485415, https://leetcode.com/problems/sum-of-nodes-with-even-valued-grandparent
91,Decode Ways,24.7%,Medium,0.023662742620848144, https://leetcode.com/problems/decode-ways
198,House Robber,42.0%,Easy,0.023256862164267263, https://leetcode.com/problems/house-robber
210,Course Schedule II,40.7%,Medium,0.023133880315464483, https://leetcode.com/problems/course-schedule-ii
973,K Closest Points to Origin,63.8%,Medium,0.022897394173017796, https://leetcode.com/problems/k-closest-points-to-origin
105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.022325470299025416, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
380,Insert Delete GetRandom O(1),47.5%,Medium,0.021962815449093263, https://leetcode.com/problems/insert-delete-getrandom-o1
167,Two Sum II - Input array is sorted,54.1%,Easy,0.021849838247772296, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
231,Power of Two,43.7%,Easy,0.021776810232970734, https://leetcode.com/problems/power-of-two
45,Jump Game II,30.6%,Hard,0.021353124470568974, https://leetcode.com/problems/jump-game-ii
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
122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.020783855622427426, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
279,Perfect Squares,47.4%,Medium,0.02061928720273568, https://leetcode.com/problems/perfect-squares
32,Longest Valid Parentheses,28.4%,Hard,0.020385756924473915, https://leetcode.com/problems/longest-valid-parentheses
454,4Sum II,53.1%,Medium,0.02033623717961716, https://leetcode.com/problems/4sum-ii
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
63,Unique Paths II,34.6%,Medium,0.01949801804099658, https://leetcode.com/problems/unique-paths-ii
435,Non-overlapping Intervals,42.9%,Medium,0.019455866615365896, https://leetcode.com/problems/non-overlapping-intervals
669,Trim a Binary Search Tree,63.0%,Easy,0.019139340210697423, https://leetcode.com/problems/trim-a-binary-search-tree
229,Majority Element II,35.6%,Medium,0.019057270410286146, https://leetcode.com/problems/majority-element-ii
151,Reverse Words in a String,21.9%,Medium,0.018673611472670153, https://leetcode.com/problems/reverse-words-in-a-string
617,Merge Two Binary Trees,74.1%,Easy,0.018496211633622316, https://leetcode.com/problems/merge-two-binary-trees
234,Palindrome Linked List,39.3%,Easy,0.01801241989645556, https://leetcode.com/problems/palindrome-linked-list
126,Word Ladder II,22.1%,Hard,0.017994187717865196, https://leetcode.com/problems/word-ladder-ii
542,01 Matrix,39.8%,Medium,0.01796993548494071, https://leetcode.com/problems/01-matrix
406,Queue Reconstruction by Height,66.9%,Medium,0.01774669468133533, https://leetcode.com/problems/queue-reconstruction-by-height
38,Count and Say,44.6%,Easy,0.01753063983505879, https://leetcode.com/problems/count-and-say
22,Generate Parentheses,62.7%,Medium,0.017331456351639924, https://leetcode.com/problems/generate-parentheses
95,Unique Binary Search Trees II,40.6%,Medium,0.016856699181010838, https://leetcode.com/problems/unique-binary-search-trees-ii
692,Top K Frequent Words,51.8%,Medium,0.016832265743172113, https://leetcode.com/problems/top-k-frequent-words
176,Second Highest Salary,31.6%,Easy,0.01655971603901838, https://leetcode.com/problems/second-highest-salary
188,Best Time to Buy and Sell Stock IV,28.0%,Hard,0.01651565203072114, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.016432723251567683, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
1108,Defanging an IP Address,87.5%,Easy,0.016423726830643748, https://leetcode.com/problems/defanging-an-ip-address
73,Set Matrix Zeroes,43.1%,Medium,0.015715357479628243, https://leetcode.com/problems/set-matrix-zeroes
938,Range Sum of BST,81.3%,Easy,0.015707129205357877, https://leetcode.com/problems/range-sum-of-bst
215,Kth Largest Element in an Array,55.4%,Medium,0.015519225147600912, https://leetcode.com/problems/kth-largest-element-in-an-array
114,Flatten Binary Tree to Linked List,49.3%,Medium,0.015450951155718977, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
1002,Find Common Characters,67.6%,Easy,0.015273301861833809, https://leetcode.com/problems/find-common-characters
561,Array Partition I,72.0%,Easy,0.015186320707985562, https://leetcode.com/problems/array-partition-i
153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.014939586916186732, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
315,Count of Smaller Numbers After Self,41.5%,Hard,0.014352596574956585, https://leetcode.com/problems/count-of-smaller-numbers-after-self
83,Remove Duplicates from Sorted List,45.4%,Easy,0.014238493989114923, https://leetcode.com/problems/remove-duplicates-from-sorted-list
230,Kth Smallest Element in a BST,60.2%,Medium,0.014200301729123736, https://leetcode.com/problems/kth-smallest-element-in-a-bst
371,Sum of Two Integers,50.7%,Medium,0.014064929467403538, https://leetcode.com/problems/sum-of-two-integers
76,Minimum Window Substring,34.6%,Hard,0.013966707481708198, https://leetcode.com/problems/minimum-window-substring
345,Reverse Vowels of a String,44.2%,Easy,0.013947227480850463, https://leetcode.com/problems/reverse-vowels-of-a-string
724,Find Pivot Index,44.0%,Easy,0.013850636933899008, https://leetcode.com/problems/find-pivot-index
767,Reorganize String,48.7%,Medium,0.01329806830463147, https://leetcode.com/problems/reorganize-string
347,Top K Frequent Elements,61.2%,Medium,0.01329217620893675, https://leetcode.com/problems/top-k-frequent-elements
695,Max Area of Island,62.7%,Medium,0.012686500631003836, https://leetcode.com/problems/max-area-of-island
9,Palindrome Number,48.4%,Easy,0.01209661684713821, https://leetcode.com/problems/palindrome-number
543,Diameter of Binary Tree,48.4%,Easy,0.011898606798495848, https://leetcode.com/problems/diameter-of-binary-tree
378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.011634802567699611, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
69,Sqrt(x),33.9%,Easy,0.011443227222342794, https://leetcode.com/problems/sqrtx
190,Reverse Bits,39.8%,Easy,0.011393278234619338, https://leetcode.com/problems/reverse-bits
123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.011261380272539033, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
171,Excel Sheet Column Number,55.9%,Easy,0.011195191092491645, https://leetcode.com/problems/excel-sheet-column-number
207,Course Schedule,43.1%,Medium,0.01113459480911671, https://leetcode.com/problems/course-schedule
104,Maximum Depth of Binary Tree,66.0%,Easy,0.011105055822701604, https://leetcode.com/problems/maximum-depth-of-binary-tree
169,Majority Element,58.7%,Easy,0.010558521365115802, https://leetcode.com/problems/majority-element
211,Add and Search Word - Data structure design,38.1%,Medium,0.010438508143923443, https://leetcode.com/problems/add-and-search-word-data-structure-design
67,Add Binary,45.2%,Easy,0.010342637288628867, https://leetcode.com/problems/add-binary
819,Most Common Word,44.8%,Easy,0.010269666637456105, https://leetcode.com/problems/most-common-word
113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
47,Permutations II,46.4%,Medium,0.009673594178378379, https://leetcode.com/problems/permutations-ii
905,Sort Array By Parity,74.1%,Easy,0.009603915354180344, https://leetcode.com/problems/sort-array-by-parity
70,Climbing Stairs,47.8%,Easy,0.009390798483527519, https://leetcode.com/problems/climbing-stairs
74,Search a 2D Matrix,36.5%,Medium,0.00934149716911291, https://leetcode.com/problems/search-a-2d-matrix
28,Implement strStr(),34.5%,Easy,0.008850485542574548, https://leetcode.com/problems/implement-strstr
700,Search in a Binary Search Tree,73.1%,Easy,0.008512500860171227, https://leetcode.com/problems/search-in-a-binary-search-tree
173,Binary Search Tree Iterator,56.6%,Medium,0.008489015324911316, https://leetcode.com/problems/binary-search-tree-iterator
209,Minimum Size Subarray Sum,38.2%,Medium,0.00841401682484616, https://leetcode.com/problems/minimum-size-subarray-sum
763,Partition Labels,76.1%,Medium,0.008385793376274025, https://leetcode.com/problems/partition-labels
78,Subsets,62.0%,Medium,0.008278192969371254, https://leetcode.com/problems/subsets
239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
6,ZigZag Conversion,36.3%,Medium,0.0077116248757144665, https://leetcode.com/problems/zigzag-conversion
175,Combine Two Tables,60.8%,Easy,0.007696786120491369, https://leetcode.com/problems/combine-two-tables
876,Middle of the Linked List,68.4%,Easy,0.007624893975696915, https://leetcode.com/problems/middle-of-the-linked-list
240,Search a 2D Matrix II,43.2%,Medium,0.0075829747244553335, https://leetcode.com/problems/search-a-2d-matrix-ii
66,Plus One,43.0%,Easy,0.007324847595025828, https://leetcode.com/problems/plus-one
10,Regular Expression Matching,26.8%,Hard,0.0071865203293987245, https://leetcode.com/problems/regular-expression-matching
204,Count Primes,31.5%,Easy,0.007072165261362441, https://leetcode.com/problems/count-primes
110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.006816368572598042, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
118,Pascal's Triangle,52.5%,Easy,0.006749941254175012, https://leetcode.com/problems/pascals-triangle
98,Validate Binary Search Tree,27.8%,Medium,0.006611351489350257, https://leetcode.com/problems/validate-binary-search-tree
142,Linked List Cycle II,37.3%,Medium,0.006564934131150057, https://leetcode.com/problems/linked-list-cycle-ii
107,Binary Tree Level Order Traversal II,53.5%,Easy,0.006423661079917184, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
64,Minimum Path Sum,54.5%,Medium,0.006127470152097104, https://leetcode.com/problems/minimum-path-sum
39,Combination Sum,56.1%,Medium,0.005715934396440999, https://leetcode.com/problems/combination-sum
199,Binary Tree Right Side View,54.1%,Medium,0.0056826406650506926, https://leetcode.com/problems/binary-tree-right-side-view
226,Invert Binary Tree,65.0%,Easy,0.005508138409792252, https://leetcode.com/problems/invert-binary-tree
350,Intersection of Two Arrays II,51.4%,Easy,0.005210380421193978, https://leetcode.com/problems/intersection-of-two-arrays-ii
55,Jump Game,34.6%,Medium,0.005022612266291382, https://leetcode.com/problems/jump-game
35,Search Insert Position,42.6%,Easy,0.004646848510375352, https://leetcode.com/problems/search-insert-position
560,Subarray Sum Equals K,43.9%,Medium,0.004279454482267064, https://leetcode.com/problems/subarray-sum-equals-k
217,Contains Duplicate,56.0%,Easy,0.0037979536727587773, https://leetcode.com/problems/contains-duplicate
203,Remove Linked List Elements,38.6%,Easy,0.0036496390875494257, https://leetcode.com/problems/remove-linked-list-elements
101,Symmetric Tree,46.8%,Easy,0.0034057078469827435, https://leetcode.com/problems/symmetric-tree
94,Binary Tree Inorder Traversal,63.3%,Medium,0.0033551449021403577, https://leetcode.com/problems/binary-tree-inorder-traversal
260,Single Number III,64.3%,Medium,0.0020288097849578786, https://leetcode.com/problems/single-number-iii
26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0019513153174351963, https://leetcode.com/problems/remove-duplicates-from-sorted-array
ID,Title,Acceptance,Difficulty,Frequency,Leetcode Question Link
284,Peeking Iterator,45.7%,Medium,0.9541838033314709, https://leetcode.com/problems/peeking-iterator
1,Two Sum,45.6%,Easy,0.8672052300421611, https://leetcode.com/problems/two-sum
1095,Find in Mountain Array,35.8%,Hard,0.7768088090462424, https://leetcode.com/problems/find-in-mountain-array
391,Perfect Rectangle,30.5%,Hard,0.6864123880503237, https://leetcode.com/problems/perfect-rectangle
146,LRU Cache,33.2%,Medium,0.6316265551298528, https://leetcode.com/problems/lru-cache
341,Flatten Nested List Iterator,52.9%,Medium,0.5412301341339341, https://leetcode.com/problems/flatten-nested-list-iterator
428,Serialize and Deserialize N-ary Tree,59.4%,Hard,0.4508337131380154, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
212,Word Search II,34.9%,Hard,0.44245091388616276, https://leetcode.com/problems/word-search-ii
97,Interleaving String,31.5%,Hard,0.4167762826896874, https://leetcode.com/problems/interleaving-string
4,Median of Two Sorted Arrays,29.6%,Hard,0.38719315710734664, https://leetcode.com/problems/median-of-two-sorted-arrays
53,Maximum Subarray,46.5%,Easy,0.37577757790839306, https://leetcode.com/problems/maximum-subarray
295,Find Median from Data Stream,44.3%,Hard,0.36668121102460977, https://leetcode.com/problems/find-median-from-data-stream
42,Trapping Rain Water,48.9%,Hard,0.36187179404352093, https://leetcode.com/problems/trapping-rain-water
2,Add Two Numbers,33.9%,Medium,0.3595270499317115, https://leetcode.com/problems/add-two-numbers
981,Time Based Key-Value Store,53.1%,Medium,0.3076005525488317, https://leetcode.com/problems/time-based-key-value-store
688,Knight Probability in Chessboard,48.9%,Medium,0.30024869505163937, https://leetcode.com/problems/knight-probability-in-chessboard
1229,Meeting Scheduler,52.7%,Medium,0.2955601745092634, https://leetcode.com/problems/meeting-scheduler
351,Android Unlock Patterns,48.4%,Medium,0.26121549926361765, https://leetcode.com/problems/android-unlock-patterns
609,Find Duplicate File in System,59.5%,Medium,0.25388017696233983, https://leetcode.com/problems/find-duplicate-file-in-system
348,Design Tic-Tac-Toe,54.3%,Medium,0.19933290262049122, https://leetcode.com/problems/design-tic-tac-toe
49,Group Anagrams,56.9%,Medium,0.19424008455548245, https://leetcode.com/problems/group-anagrams
12,Integer to Roman,55.1%,Medium,0.19410560740412444, https://leetcode.com/problems/integer-to-roman
200,Number of Islands,46.8%,Medium,0.18986549858506208, https://leetcode.com/problems/number-of-islands
227,Basic Calculator II,36.9%,Medium,0.18200959297922678, https://leetcode.com/problems/basic-calculator-ii
1278,Palindrome Partitioning III,59.9%,Hard,0.17284281283941086, https://leetcode.com/problems/palindrome-partitioning-iii
821,Shortest Distance to a Character,66.9%,Easy,0.16229864091884685, https://leetcode.com/problems/shortest-distance-to-a-character
311,Sparse Matrix Multiplication,61.9%,Medium,0.16174615907749956, https://leetcode.com/problems/sparse-matrix-multiplication
206,Reverse Linked List,62.5%,Easy,0.1563653350583309, https://leetcode.com/problems/reverse-linked-list
238,Product of Array Except Self,60.1%,Medium,0.15391154801525797, https://leetcode.com/problems/product-of-array-except-self
5,Longest Palindromic Substring,29.5%,Medium,0.152609187700488, https://leetcode.com/problems/longest-palindromic-substring
403,Frog Jump,39.7%,Hard,0.1519909531790461, https://leetcode.com/problems/frog-jump
362,Design Hit Counter,63.7%,Medium,0.1489960292385938, https://leetcode.com/problems/design-hit-counter
269,Alien Dictionary,33.3%,Hard,0.14578781346149866, https://leetcode.com/problems/alien-dictionary
546,Remove Boxes,42.7%,Hard,0.14361551169114867, https://leetcode.com/problems/remove-boxes
836,Rectangle Overlap,48.6%,Easy,0.14261022668001652, https://leetcode.com/problems/rectangle-overlap
658,Find K Closest Elements,40.9%,Medium,0.14041717882974725, https://leetcode.com/problems/find-k-closest-elements
996,Number of Squareful Arrays,47.8%,Hard,0.13767409129953323, https://leetcode.com/problems/number-of-squareful-arrays
139,Word Break,40.1%,Medium,0.1314440532234174, https://leetcode.com/problems/word-break
54,Spiral Matrix,34.1%,Medium,0.12572728493821236, https://leetcode.com/problems/spiral-matrix
636,Exclusive Time of Functions,52.0%,Medium,0.12466318981419816, https://leetcode.com/problems/exclusive-time-of-functions
741,Cherry Pickup,33.9%,Hard,0.12293768624504794, https://leetcode.com/problems/cherry-pickup
202,Happy Number,50.4%,Easy,0.11982401289364229, https://leetcode.com/problems/happy-number
3,Longest Substring Without Repeating Characters,30.4%,Medium,0.11876423093459514, https://leetcode.com/problems/longest-substring-without-repeating-characters
329,Longest Increasing Path in a Matrix,43.4%,Hard,0.11459264165812869, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
36,Valid Sudoku,48.7%,Medium,0.11024748048381532, https://leetcode.com/problems/valid-sudoku
472,Concatenated Words,43.7%,Hard,0.10634180122055205, https://leetcode.com/problems/concatenated-words
388,Longest Absolute File Path,41.8%,Medium,0.105981440856292, https://leetcode.com/problems/longest-absolute-file-path
343,Integer Break,50.4%,Medium,0.10446541455492596, https://leetcode.com/problems/integer-break
88,Merge Sorted Array,39.4%,Easy,0.10303644235421959, https://leetcode.com/problems/merge-sorted-array
393,UTF-8 Validation,37.5%,Medium,0.10212949507637983, https://leetcode.com/problems/utf-8-validation
223,Rectangle Area,37.8%,Medium,0.10064352577968744, https://leetcode.com/problems/rectangle-area
56,Merge Intervals,39.3%,Medium,0.10005860920617055, https://leetcode.com/problems/merge-intervals
48,Rotate Image,56.7%,Medium,0.09844007281325252, https://leetcode.com/problems/rotate-image
733,Flood Fill,55.3%,Easy,0.09669362480247104, https://leetcode.com/problems/flood-fill
23,Merge k Sorted Lists,40.2%,Hard,0.09666556212354038, https://leetcode.com/problems/merge-k-sorted-lists
837,New 21 Game,34.6%,Medium,0.09646026618756222, https://leetcode.com/problems/new-21-game
642,Design Search Autocomplete System,44.7%,Hard,0.09500811062818718, https://leetcode.com/problems/design-search-autocomplete-system
87,Scramble String,33.7%,Hard,0.09333193979221914, https://leetcode.com/problems/scramble-string
384,Shuffle an Array,52.8%,Medium,0.09170644621893462, https://leetcode.com/problems/shuffle-an-array
127,Word Ladder,29.6%,Medium,0.09162341383415479, https://leetcode.com/problems/word-ladder
545,Boundary of Binary Tree,38.9%,Medium,0.091248671465145, https://leetcode.com/problems/boundary-of-binary-tree
266,Palindrome Permutation,61.9%,Easy,0.091248671465145, https://leetcode.com/problems/palindrome-permutation
381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.09106388892287375, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
15,3Sum,26.8%,Medium,0.08893577620894672, https://leetcode.com/problems/3sum
739,Daily Temperatures,63.3%,Medium,0.08686431971055465, https://leetcode.com/problems/daily-temperatures
177,Nth Highest Salary,31.4%,Medium,0.0866192142068847, https://leetcode.com/problems/nth-highest-salary
18,4Sum,33.7%,Medium,0.08527891770220855, https://leetcode.com/problems/4sum
124,Binary Tree Maximum Path Sum,34.3%,Hard,0.08503327428149603, https://leetcode.com/problems/binary-tree-maximum-path-sum
909,Snakes and Ladders,38.4%,Medium,0.08392620769993404, https://leetcode.com/problems/snakes-and-ladders
509,Fibonacci Number,67.2%,Easy,0.08383840268320984, https://leetcode.com/problems/fibonacci-number
297,Serialize and Deserialize Binary Tree,47.5%,Hard,0.0834242216674795, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
193,Valid Phone Numbers,25.3%,Easy,0.08269171584511335, https://leetcode.com/problems/valid-phone-numbers
34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,0.08268327002043342, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
46,Permutations,63.5%,Medium,0.08209632149618187, https://leetcode.com/problems/permutations
387,First Unique Character in a String,53.4%,Easy,0.08151765202603821, https://leetcode.com/problems/first-unique-character-in-a-string
729,My Calendar I,51.8%,Medium,0.0801854119192299, https://leetcode.com/problems/my-calendar-i
14,Longest Common Prefix,35.4%,Easy,0.07987000438694741, https://leetcode.com/problems/longest-common-prefix
128,Longest Consecutive Sequence,45.1%,Hard,0.0786603197723907, https://leetcode.com/problems/longest-consecutive-sequence
125,Valid Palindrome,36.7%,Easy,0.07766984472754161, https://leetcode.com/problems/valid-palindrome
1221,Split a String in Balanced Strings,83.3%,Easy,0.07634057217232601, https://leetcode.com/problems/split-a-string-in-balanced-strings
273,Integer to English Words,27.1%,Hard,0.0732177031685638, https://leetcode.com/problems/integer-to-english-words
236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,0.07288369759447264, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
986,Interval List Intersections,67.3%,Medium,0.07255865182314948, https://leetcode.com/problems/interval-list-intersections
394,Decode String,50.0%,Medium,0.07120444629179161, https://leetcode.com/problems/decode-string
632,Smallest Range Covering Elements from K Lists,52.4%,Hard,0.07082605256861242, https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
253,Meeting Rooms II,45.7%,Medium,0.07046545668000562, https://leetcode.com/problems/meeting-rooms-ii
187,Repeated DNA Sequences,38.9%,Medium,0.06947237281476738, https://leetcode.com/problems/repeated-dna-sequences
867,Transpose Matrix,62.8%,Easy,0.06883450582029693, https://leetcode.com/problems/transpose-matrix
17,Letter Combinations of a Phone Number,46.8%,Medium,0.06820582606617018, https://leetcode.com/problems/letter-combinations-of-a-phone-number
16,3Sum Closest,46.0%,Medium,0.065777130514714, https://leetcode.com/problems/3sum-closest
178,Rank Scores,45.8%,Medium,0.06551667145414991, https://leetcode.com/problems/rank-scores
86,Partition List,41.5%,Medium,0.06170036851169576, https://leetcode.com/problems/partition-list
75,Sort Colors,47.3%,Medium,0.05950522970614658, https://leetcode.com/problems/sort-colors
528,Random Pick with Weight,43.9%,Medium,0.05805039128849884, https://leetcode.com/problems/random-pick-with-weight
417,Pacific Atlantic Water Flow,41.1%,Medium,0.057523844138186606, https://leetcode.com/problems/pacific-atlantic-water-flow
283,Move Zeroes,57.8%,Easy,0.05686540295029014, https://leetcode.com/problems/move-zeroes
102,Binary Tree Level Order Traversal,54.6%,Medium,0.056692473087026664, https://leetcode.com/problems/binary-tree-level-order-traversal
136,Single Number,65.5%,Easy,0.05656352626214251, https://leetcode.com/problems/single-number
41,First Missing Positive,32.0%,Hard,0.056273635982108605, https://leetcode.com/problems/first-missing-positive
21,Merge Two Sorted Lists,53.5%,Easy,0.05490757117845869, https://leetcode.com/problems/merge-two-sorted-lists
7,Reverse Integer,25.8%,Easy,0.054824382173728654, https://leetcode.com/problems/reverse-integer
443,String Compression,41.3%,Easy,0.05450940566837169, https://leetcode.com/problems/string-compression
594,Longest Harmonious Subsequence,46.6%,Easy,0.054435206555017046, https://leetcode.com/problems/longest-harmonious-subsequence
332,Reconstruct Itinerary,36.7%,Medium,0.053921416793820044, https://leetcode.com/problems/reconstruct-itinerary
1275,Find Winner on a Tic Tac Toe Game,52.8%,Easy,0.05292240145434251, https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
31,Next Permutation,32.6%,Medium,0.05265913800819017, https://leetcode.com/problems/next-permutation
687,Longest Univalue Path,36.2%,Easy,0.05212529063213289, https://leetcode.com/problems/longest-univalue-path
120,Triangle,44.2%,Medium,0.05192600557601006, https://leetcode.com/problems/triangle
622,Design Circular Queue,43.7%,Medium,0.049844204077291364, https://leetcode.com/problems/design-circular-queue
133,Clone Graph,34.8%,Medium,0.049801168649527466, https://leetcode.com/problems/clone-graph
518,Coin Change 2,50.2%,Medium,0.04919528672454412, https://leetcode.com/problems/coin-change-2
108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.048909503032274274, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
445,Add Two Numbers II,54.5%,Medium,0.04843561709959499, https://leetcode.com/problems/add-two-numbers-ii
336,Palindrome Pairs,33.7%,Hard,0.04690191367275952, https://leetcode.com/problems/palindrome-pairs
453,Minimum Moves to Equal Array Elements,50.2%,Easy,0.04652001563489285, https://leetcode.com/problems/minimum-moves-to-equal-array-elements
442,Find All Duplicates in an Array,67.8%,Medium,0.04590593720045213, https://leetcode.com/problems/find-all-duplicates-in-an-array
8,String to Integer (atoi),15.4%,Medium,0.04549614908874012, https://leetcode.com/problems/string-to-integer-atoi
232,Implement Queue using Stacks,49.6%,Easy,0.04423053722733957, https://leetcode.com/problems/implement-queue-using-stacks
93,Restore IP Addresses,35.6%,Medium,0.04393092922572675, https://leetcode.com/problems/restore-ip-addresses
895,Maximum Frequency Stack,60.6%,Hard,0.04329680575332419, https://leetcode.com/problems/maximum-frequency-stack
490,The Maze,51.4%,Medium,0.04287902305923364, https://leetcode.com/problems/the-maze
515,Find Largest Value in Each Tree Row,61.1%,Medium,0.042459207771791546, https://leetcode.com/problems/find-largest-value-in-each-tree-row
140,Word Break II,32.6%,Hard,0.04245795568707049, https://leetcode.com/problems/word-break-ii
121,Best Time to Buy and Sell Stock,50.5%,Easy,0.04215422741819192, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
448,Find All Numbers Disappeared in an Array,55.9%,Easy,0.04214343508255059, https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
141,Linked List Cycle,41.1%,Easy,0.0419797805851107, https://leetcode.com/problems/linked-list-cycle
155,Min Stack,44.5%,Easy,0.04194952712763244, https://leetcode.com/problems/min-stack
647,Palindromic Substrings,60.6%,Medium,0.040968350772541844, https://leetcode.com/problems/palindromic-substrings
37,Sudoku Solver,43.6%,Hard,0.040527833612118376, https://leetcode.com/problems/sudoku-solver
25,Reverse Nodes in k-Group,42.1%,Hard,0.040236757867738004, https://leetcode.com/problems/reverse-nodes-in-k-group
256,Paint House,52.1%,Easy,0.03937516523483013, https://leetcode.com/problems/paint-house
344,Reverse String,68.5%,Easy,0.0393340697038369, https://leetcode.com/problems/reverse-string
706,Design HashMap,61.3%,Easy,0.039016652342451774, https://leetcode.com/problems/design-hashmap
1060,Missing Element in Sorted Array,54.5%,Medium,0.03879796954098255, https://leetcode.com/problems/missing-element-in-sorted-array
168,Excel Sheet Column Title,31.1%,Easy,0.03861483612777958, https://leetcode.com/problems/excel-sheet-column-title
24,Swap Nodes in Pairs,50.4%,Medium,0.03826607060639552, https://leetcode.com/problems/swap-nodes-in-pairs
863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.037756162417993476, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
11,Container With Most Water,50.8%,Medium,0.03694630107228425, https://leetcode.com/problems/container-with-most-water
51,N-Queens,46.6%,Hard,0.03651521297509749, https://leetcode.com/problems/n-queens
43,Multiply Strings,33.9%,Medium,0.03608871558298825, https://leetcode.com/problems/multiply-strings
59,Spiral Matrix II,53.9%,Medium,0.0351873674509732, https://leetcode.com/problems/spiral-matrix-ii
374,Guess Number Higher or Lower,43.1%,Easy,0.03422387238757742, https://leetcode.com/problems/guess-number-higher-or-lower
886,Possible Bipartition,44.2%,Medium,0.034103901828857086, https://leetcode.com/problems/possible-bipartition
287,Find the Duplicate Number,55.5%,Medium,0.033896954598043594, https://leetcode.com/problems/find-the-duplicate-number
480,Sliding Window Median,37.2%,Hard,0.03373001037669306, https://leetcode.com/problems/sliding-window-median
694,Number of Distinct Islands,56.0%,Medium,0.03278982282299087, https://leetcode.com/problems/number-of-distinct-islands
300,Longest Increasing Subsequence,42.6%,Medium,0.03245773693742074, https://leetcode.com/problems/longest-increasing-subsequence
1146,Snapshot Array,37.0%,Medium,0.0317991816929387, https://leetcode.com/problems/snapshot-array
1114,Print in Order,65.7%,Easy,0.0317486983145803, https://leetcode.com/problems/print-in-order
304,Range Sum Query 2D - Immutable,38.6%,Medium,0.031036973995576488, https://leetcode.com/problems/range-sum-query-2d-immutable
703,Kth Largest Element in a Stream,49.7%,Easy,0.031004894819414507, https://leetcode.com/problems/kth-largest-element-in-a-stream
460,LFU Cache,34.2%,Hard,0.030962225603966897, https://leetcode.com/problems/lfu-cache
179,Largest Number,28.8%,Medium,0.03093030069135863, https://leetcode.com/problems/largest-number
13,Roman to Integer,55.7%,Easy,0.030443751414723153, https://leetcode.com/problems/roman-to-integer
268,Missing Number,51.7%,Easy,0.03011913009547617, https://leetcode.com/problems/missing-number
1011,Capacity To Ship Packages Within D Days,58.1%,Medium,0.030100090297855955, https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
415,Add Strings,47.5%,Easy,0.030009753867991852, https://leetcode.com/problems/add-strings
135,Candy,31.6%,Hard,0.029764101906453892, https://leetcode.com/problems/candy
277,Find the Celebrity,41.8%,Medium,0.02969780239174205, https://leetcode.com/problems/find-the-celebrity
1197,Minimum Knight Moves,36.1%,Medium,0.02969780239174205, https://leetcode.com/problems/minimum-knight-moves
191,Number of 1 Bits,49.8%,Easy,0.029560622742018188, https://leetcode.com/problems/number-of-1-bits
82,Remove Duplicates from Sorted List II,36.8%,Medium,0.028950236662501776, https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
771,Jewels and Stones,86.4%,Easy,0.028825631190792587, https://leetcode.com/problems/jewels-and-stones
33,Search in Rotated Sorted Array,34.5%,Medium,0.0287009496170278, https://leetcode.com/problems/search-in-rotated-sorted-array
62,Unique Paths,54.1%,Medium,0.02853749186115581, https://leetcode.com/problems/unique-paths
77,Combinations,54.7%,Medium,0.028021758737593695, https://leetcode.com/problems/combinations
20,Valid Parentheses,39.0%,Easy,0.02782373445001039, https://leetcode.com/problems/valid-parentheses
68,Text Justification,27.7%,Hard,0.0276451606661453, https://leetcode.com/problems/text-justification
796,Rotate String,49.6%,Easy,0.02701041988276247, https://leetcode.com/problems/rotate-string
29,Divide Two Integers,16.4%,Medium,0.026820246545985277, https://leetcode.com/problems/divide-two-integers
931,Minimum Falling Path Sum,62.5%,Medium,0.02672169681715245, https://leetcode.com/problems/minimum-falling-path-sum
79,Word Search,35.6%,Medium,0.026308653156300807, https://leetcode.com/problems/word-search
143,Reorder List,37.1%,Medium,0.025870945598649286, https://leetcode.com/problems/reorder-list
242,Valid Anagram,56.9%,Easy,0.025684584297773504, https://leetcode.com/problems/valid-anagram
218,The Skyline Problem,34.6%,Hard,0.025479085300984906, https://leetcode.com/problems/the-skyline-problem
1038,Binary Search Tree to Greater Sum Tree,80.8%,Medium,0.025446665661164262, https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
162,Find Peak Element,43.3%,Medium,0.02516251642407408, https://leetcode.com/problems/find-peak-element
322,Coin Change,35.5%,Medium,0.024924029676386045, https://leetcode.com/problems/coin-change
220,Contains Duplicate III,20.9%,Medium,0.024876904755404577, https://leetcode.com/problems/contains-duplicate-iii
138,Copy List with Random Pointer,36.4%,Medium,0.02453734514188008, https://leetcode.com/problems/copy-list-with-random-pointer
310,Minimum Height Trees,32.3%,Medium,0.02446605215440636, https://leetcode.com/problems/minimum-height-trees
977,Squares of a Sorted Array,72.1%,Easy,0.02407434514623628, https://leetcode.com/problems/squares-of-a-sorted-array
1315,Sum of Nodes with Even-Valued Grandparent,83.5%,Medium,0.023981964686485415, https://leetcode.com/problems/sum-of-nodes-with-even-valued-grandparent
91,Decode Ways,24.7%,Medium,0.023662742620848144, https://leetcode.com/problems/decode-ways
198,House Robber,42.0%,Easy,0.023256862164267263, https://leetcode.com/problems/house-robber
210,Course Schedule II,40.7%,Medium,0.023133880315464483, https://leetcode.com/problems/course-schedule-ii
973,K Closest Points to Origin,63.8%,Medium,0.022897394173017796, https://leetcode.com/problems/k-closest-points-to-origin
105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.022325470299025416, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
380,Insert Delete GetRandom O(1),47.5%,Medium,0.021962815449093263, https://leetcode.com/problems/insert-delete-getrandom-o1
167,Two Sum II - Input array is sorted,54.1%,Easy,0.021849838247772296, https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
231,Power of Two,43.7%,Easy,0.021776810232970734, https://leetcode.com/problems/power-of-two
45,Jump Game II,30.6%,Hard,0.021353124470568974, https://leetcode.com/problems/jump-game-ii
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
122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.020783855622427426, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
279,Perfect Squares,47.4%,Medium,0.02061928720273568, https://leetcode.com/problems/perfect-squares
32,Longest Valid Parentheses,28.4%,Hard,0.020385756924473915, https://leetcode.com/problems/longest-valid-parentheses
454,4Sum II,53.1%,Medium,0.02033623717961716, https://leetcode.com/problems/4sum-ii
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
63,Unique Paths II,34.6%,Medium,0.01949801804099658, https://leetcode.com/problems/unique-paths-ii
435,Non-overlapping Intervals,42.9%,Medium,0.019455866615365896, https://leetcode.com/problems/non-overlapping-intervals
669,Trim a Binary Search Tree,63.0%,Easy,0.019139340210697423, https://leetcode.com/problems/trim-a-binary-search-tree
229,Majority Element II,35.6%,Medium,0.019057270410286146, https://leetcode.com/problems/majority-element-ii
151,Reverse Words in a String,21.9%,Medium,0.018673611472670153, https://leetcode.com/problems/reverse-words-in-a-string
617,Merge Two Binary Trees,74.1%,Easy,0.018496211633622316, https://leetcode.com/problems/merge-two-binary-trees
234,Palindrome Linked List,39.3%,Easy,0.01801241989645556, https://leetcode.com/problems/palindrome-linked-list
126,Word Ladder II,22.1%,Hard,0.017994187717865196, https://leetcode.com/problems/word-ladder-ii
542,01 Matrix,39.8%,Medium,0.01796993548494071, https://leetcode.com/problems/01-matrix
406,Queue Reconstruction by Height,66.9%,Medium,0.01774669468133533, https://leetcode.com/problems/queue-reconstruction-by-height
38,Count and Say,44.6%,Easy,0.01753063983505879, https://leetcode.com/problems/count-and-say
22,Generate Parentheses,62.7%,Medium,0.017331456351639924, https://leetcode.com/problems/generate-parentheses
95,Unique Binary Search Trees II,40.6%,Medium,0.016856699181010838, https://leetcode.com/problems/unique-binary-search-trees-ii
692,Top K Frequent Words,51.8%,Medium,0.016832265743172113, https://leetcode.com/problems/top-k-frequent-words
176,Second Highest Salary,31.6%,Easy,0.01655971603901838, https://leetcode.com/problems/second-highest-salary
188,Best Time to Buy and Sell Stock IV,28.0%,Hard,0.01651565203072114, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.016432723251567683, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
1108,Defanging an IP Address,87.5%,Easy,0.016423726830643748, https://leetcode.com/problems/defanging-an-ip-address
73,Set Matrix Zeroes,43.1%,Medium,0.015715357479628243, https://leetcode.com/problems/set-matrix-zeroes
938,Range Sum of BST,81.3%,Easy,0.015707129205357877, https://leetcode.com/problems/range-sum-of-bst
215,Kth Largest Element in an Array,55.4%,Medium,0.015519225147600912, https://leetcode.com/problems/kth-largest-element-in-an-array
114,Flatten Binary Tree to Linked List,49.3%,Medium,0.015450951155718977, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
1002,Find Common Characters,67.6%,Easy,0.015273301861833809, https://leetcode.com/problems/find-common-characters
561,Array Partition I,72.0%,Easy,0.015186320707985562, https://leetcode.com/problems/array-partition-i
153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.014939586916186732, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
315,Count of Smaller Numbers After Self,41.5%,Hard,0.014352596574956585, https://leetcode.com/problems/count-of-smaller-numbers-after-self
83,Remove Duplicates from Sorted List,45.4%,Easy,0.014238493989114923, https://leetcode.com/problems/remove-duplicates-from-sorted-list
230,Kth Smallest Element in a BST,60.2%,Medium,0.014200301729123736, https://leetcode.com/problems/kth-smallest-element-in-a-bst
371,Sum of Two Integers,50.7%,Medium,0.014064929467403538, https://leetcode.com/problems/sum-of-two-integers
76,Minimum Window Substring,34.6%,Hard,0.013966707481708198, https://leetcode.com/problems/minimum-window-substring
345,Reverse Vowels of a String,44.2%,Easy,0.013947227480850463, https://leetcode.com/problems/reverse-vowels-of-a-string
724,Find Pivot Index,44.0%,Easy,0.013850636933899008, https://leetcode.com/problems/find-pivot-index
767,Reorganize String,48.7%,Medium,0.01329806830463147, https://leetcode.com/problems/reorganize-string
347,Top K Frequent Elements,61.2%,Medium,0.01329217620893675, https://leetcode.com/problems/top-k-frequent-elements
695,Max Area of Island,62.7%,Medium,0.012686500631003836, https://leetcode.com/problems/max-area-of-island
9,Palindrome Number,48.4%,Easy,0.01209661684713821, https://leetcode.com/problems/palindrome-number
543,Diameter of Binary Tree,48.4%,Easy,0.011898606798495848, https://leetcode.com/problems/diameter-of-binary-tree
378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.011634802567699611, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
69,Sqrt(x),33.9%,Easy,0.011443227222342794, https://leetcode.com/problems/sqrtx
190,Reverse Bits,39.8%,Easy,0.011393278234619338, https://leetcode.com/problems/reverse-bits
123,Best Time to Buy and Sell Stock III,37.5%,Hard,0.011261380272539033, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
171,Excel Sheet Column Number,55.9%,Easy,0.011195191092491645, https://leetcode.com/problems/excel-sheet-column-number
207,Course Schedule,43.1%,Medium,0.01113459480911671, https://leetcode.com/problems/course-schedule
104,Maximum Depth of Binary Tree,66.0%,Easy,0.011105055822701604, https://leetcode.com/problems/maximum-depth-of-binary-tree
169,Majority Element,58.7%,Easy,0.010558521365115802, https://leetcode.com/problems/majority-element
211,Add and Search Word - Data structure design,38.1%,Medium,0.010438508143923443, https://leetcode.com/problems/add-and-search-word-data-structure-design
67,Add Binary,45.2%,Easy,0.010342637288628867, https://leetcode.com/problems/add-binary
819,Most Common Word,44.8%,Easy,0.010269666637456105, https://leetcode.com/problems/most-common-word
113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
47,Permutations II,46.4%,Medium,0.009673594178378379, https://leetcode.com/problems/permutations-ii
905,Sort Array By Parity,74.1%,Easy,0.009603915354180344, https://leetcode.com/problems/sort-array-by-parity
70,Climbing Stairs,47.8%,Easy,0.009390798483527519, https://leetcode.com/problems/climbing-stairs
74,Search a 2D Matrix,36.5%,Medium,0.00934149716911291, https://leetcode.com/problems/search-a-2d-matrix
28,Implement strStr(),34.5%,Easy,0.008850485542574548, https://leetcode.com/problems/implement-strstr
700,Search in a Binary Search Tree,73.1%,Easy,0.008512500860171227, https://leetcode.com/problems/search-in-a-binary-search-tree
173,Binary Search Tree Iterator,56.6%,Medium,0.008489015324911316, https://leetcode.com/problems/binary-search-tree-iterator
209,Minimum Size Subarray Sum,38.2%,Medium,0.00841401682484616, https://leetcode.com/problems/minimum-size-subarray-sum
763,Partition Labels,76.1%,Medium,0.008385793376274025, https://leetcode.com/problems/partition-labels
78,Subsets,62.0%,Medium,0.008278192969371254, https://leetcode.com/problems/subsets
239,Sliding Window Maximum,43.0%,Hard,0.007898935224534491, https://leetcode.com/problems/sliding-window-maximum
6,ZigZag Conversion,36.3%,Medium,0.0077116248757144665, https://leetcode.com/problems/zigzag-conversion
175,Combine Two Tables,60.8%,Easy,0.007696786120491369, https://leetcode.com/problems/combine-two-tables
876,Middle of the Linked List,68.4%,Easy,0.007624893975696915, https://leetcode.com/problems/middle-of-the-linked-list
240,Search a 2D Matrix II,43.2%,Medium,0.0075829747244553335, https://leetcode.com/problems/search-a-2d-matrix-ii
66,Plus One,43.0%,Easy,0.007324847595025828, https://leetcode.com/problems/plus-one
10,Regular Expression Matching,26.8%,Hard,0.0071865203293987245, https://leetcode.com/problems/regular-expression-matching
204,Count Primes,31.5%,Easy,0.007072165261362441, https://leetcode.com/problems/count-primes
110,Balanced Binary Tree,43.5%,Easy,0.007027435807456887, https://leetcode.com/problems/balanced-binary-tree
103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.006816368572598042, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
118,Pascal's Triangle,52.5%,Easy,0.006749941254175012, https://leetcode.com/problems/pascals-triangle
98,Validate Binary Search Tree,27.8%,Medium,0.006611351489350257, https://leetcode.com/problems/validate-binary-search-tree
142,Linked List Cycle II,37.3%,Medium,0.006564934131150057, https://leetcode.com/problems/linked-list-cycle-ii
107,Binary Tree Level Order Traversal II,53.5%,Easy,0.006423661079917184, https://leetcode.com/problems/binary-tree-level-order-traversal-ii
64,Minimum Path Sum,54.5%,Medium,0.006127470152097104, https://leetcode.com/problems/minimum-path-sum
39,Combination Sum,56.1%,Medium,0.005715934396440999, https://leetcode.com/problems/combination-sum
199,Binary Tree Right Side View,54.1%,Medium,0.0056826406650506926, https://leetcode.com/problems/binary-tree-right-side-view
226,Invert Binary Tree,65.0%,Easy,0.005508138409792252, https://leetcode.com/problems/invert-binary-tree
350,Intersection of Two Arrays II,51.4%,Easy,0.005210380421193978, https://leetcode.com/problems/intersection-of-two-arrays-ii
55,Jump Game,34.6%,Medium,0.005022612266291382, https://leetcode.com/problems/jump-game
35,Search Insert Position,42.6%,Easy,0.004646848510375352, https://leetcode.com/problems/search-insert-position
560,Subarray Sum Equals K,43.9%,Medium,0.004279454482267064, https://leetcode.com/problems/subarray-sum-equals-k
217,Contains Duplicate,56.0%,Easy,0.0037979536727587773, https://leetcode.com/problems/contains-duplicate
203,Remove Linked List Elements,38.6%,Easy,0.0036496390875494257, https://leetcode.com/problems/remove-linked-list-elements
101,Symmetric Tree,46.8%,Easy,0.0034057078469827435, https://leetcode.com/problems/symmetric-tree
94,Binary Tree Inorder Traversal,63.3%,Medium,0.0033551449021403577, https://leetcode.com/problems/binary-tree-inorder-traversal
260,Single Number III,64.3%,Medium,0.0020288097849578786, https://leetcode.com/problems/single-number-iii
26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0019513153174351963, https://leetcode.com/problems/remove-duplicates-from-sorted-array
1 284 ID Peeking Iterator Title 45.7% Acceptance Medium Difficulty 0.9541838033314709 Frequency https://leetcode.com/problems/peeking-iterator Leetcode Question Link
2 1 284 Two Sum Peeking Iterator 45.6% 45.7% Easy Medium 0.8672052300421611 0.9541838033314709 https://leetcode.com/problems/two-sum https://leetcode.com/problems/peeking-iterator
3 1095 1 Find in Mountain Array Two Sum 35.8% 45.6% Hard Easy 0.7768088090462424 0.8672052300421611 https://leetcode.com/problems/find-in-mountain-array https://leetcode.com/problems/two-sum
4 391 1095 Perfect Rectangle Find in Mountain Array 30.5% 35.8% Hard Hard 0.6864123880503237 0.7768088090462424 https://leetcode.com/problems/perfect-rectangle https://leetcode.com/problems/find-in-mountain-array
5 146 391 LRU Cache Perfect Rectangle 33.2% 30.5% Medium Hard 0.6316265551298528 0.6864123880503237 https://leetcode.com/problems/lru-cache https://leetcode.com/problems/perfect-rectangle
6 341 146 Flatten Nested List Iterator LRU Cache 52.9% 33.2% Medium Medium 0.5412301341339341 0.6316265551298528 https://leetcode.com/problems/flatten-nested-list-iterator https://leetcode.com/problems/lru-cache
7 428 341 Serialize and Deserialize N-ary Tree Flatten Nested List Iterator 59.4% 52.9% Hard Medium 0.4508337131380154 0.5412301341339341 https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree https://leetcode.com/problems/flatten-nested-list-iterator
8 212 428 Word Search II Serialize and Deserialize N-ary Tree 34.9% 59.4% Hard Hard 0.44245091388616276 0.4508337131380154 https://leetcode.com/problems/word-search-ii https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
9 97 212 Interleaving String Word Search II 31.5% 34.9% Hard Hard 0.4167762826896874 0.44245091388616276 https://leetcode.com/problems/interleaving-string https://leetcode.com/problems/word-search-ii
10 4 97 Median of Two Sorted Arrays Interleaving String 29.6% 31.5% Hard Hard 0.38719315710734664 0.4167762826896874 https://leetcode.com/problems/median-of-two-sorted-arrays https://leetcode.com/problems/interleaving-string
11 53 4 Maximum Subarray Median of Two Sorted Arrays 46.5% 29.6% Easy Hard 0.37577757790839306 0.38719315710734664 https://leetcode.com/problems/maximum-subarray https://leetcode.com/problems/median-of-two-sorted-arrays
12 295 53 Find Median from Data Stream Maximum Subarray 44.3% 46.5% Hard Easy 0.36668121102460977 0.37577757790839306 https://leetcode.com/problems/find-median-from-data-stream https://leetcode.com/problems/maximum-subarray
13 42 295 Trapping Rain Water Find Median from Data Stream 48.9% 44.3% Hard Hard 0.36187179404352093 0.36668121102460977 https://leetcode.com/problems/trapping-rain-water https://leetcode.com/problems/find-median-from-data-stream
14 2 42 Add Two Numbers Trapping Rain Water 33.9% 48.9% Medium Hard 0.3595270499317115 0.36187179404352093 https://leetcode.com/problems/add-two-numbers https://leetcode.com/problems/trapping-rain-water
15 981 2 Time Based Key-Value Store Add Two Numbers 53.1% 33.9% Medium Medium 0.3076005525488317 0.3595270499317115 https://leetcode.com/problems/time-based-key-value-store https://leetcode.com/problems/add-two-numbers
16 688 981 Knight Probability in Chessboard Time Based Key-Value Store 48.9% 53.1% Medium Medium 0.30024869505163937 0.3076005525488317 https://leetcode.com/problems/knight-probability-in-chessboard https://leetcode.com/problems/time-based-key-value-store
17 1229 688 Meeting Scheduler Knight Probability in Chessboard 52.7% 48.9% Medium Medium 0.2955601745092634 0.30024869505163937 https://leetcode.com/problems/meeting-scheduler https://leetcode.com/problems/knight-probability-in-chessboard
18 351 1229 Android Unlock Patterns Meeting Scheduler 48.4% 52.7% Medium Medium 0.26121549926361765 0.2955601745092634 https://leetcode.com/problems/android-unlock-patterns https://leetcode.com/problems/meeting-scheduler
19 609 351 Find Duplicate File in System Android Unlock Patterns 59.5% 48.4% Medium Medium 0.25388017696233983 0.26121549926361765 https://leetcode.com/problems/find-duplicate-file-in-system https://leetcode.com/problems/android-unlock-patterns
20 348 609 Design Tic-Tac-Toe Find Duplicate File in System 54.3% 59.5% Medium Medium 0.19933290262049122 0.25388017696233983 https://leetcode.com/problems/design-tic-tac-toe https://leetcode.com/problems/find-duplicate-file-in-system
21 49 348 Group Anagrams Design Tic-Tac-Toe 56.9% 54.3% Medium Medium 0.19424008455548245 0.19933290262049122 https://leetcode.com/problems/group-anagrams https://leetcode.com/problems/design-tic-tac-toe
22 12 49 Integer to Roman Group Anagrams 55.1% 56.9% Medium Medium 0.19410560740412444 0.19424008455548245 https://leetcode.com/problems/integer-to-roman https://leetcode.com/problems/group-anagrams
23 200 12 Number of Islands Integer to Roman 46.8% 55.1% Medium Medium 0.18986549858506208 0.19410560740412444 https://leetcode.com/problems/number-of-islands https://leetcode.com/problems/integer-to-roman
24 227 200 Basic Calculator II Number of Islands 36.9% 46.8% Medium Medium 0.18200959297922678 0.18986549858506208 https://leetcode.com/problems/basic-calculator-ii https://leetcode.com/problems/number-of-islands
25 1278 227 Palindrome Partitioning III Basic Calculator II 59.9% 36.9% Hard Medium 0.17284281283941086 0.18200959297922678 https://leetcode.com/problems/palindrome-partitioning-iii https://leetcode.com/problems/basic-calculator-ii
26 821 1278 Shortest Distance to a Character Palindrome Partitioning III 66.9% 59.9% Easy Hard 0.16229864091884685 0.17284281283941086 https://leetcode.com/problems/shortest-distance-to-a-character https://leetcode.com/problems/palindrome-partitioning-iii
27 311 821 Sparse Matrix Multiplication Shortest Distance to a Character 61.9% 66.9% Medium Easy 0.16174615907749956 0.16229864091884685 https://leetcode.com/problems/sparse-matrix-multiplication https://leetcode.com/problems/shortest-distance-to-a-character
28 206 311 Reverse Linked List Sparse Matrix Multiplication 62.5% 61.9% Easy Medium 0.1563653350583309 0.16174615907749956 https://leetcode.com/problems/reverse-linked-list https://leetcode.com/problems/sparse-matrix-multiplication
29 238 206 Product of Array Except Self Reverse Linked List 60.1% 62.5% Medium Easy 0.15391154801525797 0.1563653350583309 https://leetcode.com/problems/product-of-array-except-self https://leetcode.com/problems/reverse-linked-list
30 5 238 Longest Palindromic Substring Product of Array Except Self 29.5% 60.1% Medium Medium 0.152609187700488 0.15391154801525797 https://leetcode.com/problems/longest-palindromic-substring https://leetcode.com/problems/product-of-array-except-self
31 403 5 Frog Jump Longest Palindromic Substring 39.7% 29.5% Hard Medium 0.1519909531790461 0.152609187700488 https://leetcode.com/problems/frog-jump https://leetcode.com/problems/longest-palindromic-substring
32 362 403 Design Hit Counter Frog Jump 63.7% 39.7% Medium Hard 0.1489960292385938 0.1519909531790461 https://leetcode.com/problems/design-hit-counter https://leetcode.com/problems/frog-jump
33 269 362 Alien Dictionary Design Hit Counter 33.3% 63.7% Hard Medium 0.14578781346149866 0.1489960292385938 https://leetcode.com/problems/alien-dictionary https://leetcode.com/problems/design-hit-counter
34 546 269 Remove Boxes Alien Dictionary 42.7% 33.3% Hard Hard 0.14361551169114867 0.14578781346149866 https://leetcode.com/problems/remove-boxes https://leetcode.com/problems/alien-dictionary
35 836 546 Rectangle Overlap Remove Boxes 48.6% 42.7% Easy Hard 0.14261022668001652 0.14361551169114867 https://leetcode.com/problems/rectangle-overlap https://leetcode.com/problems/remove-boxes
36 658 836 Find K Closest Elements Rectangle Overlap 40.9% 48.6% Medium Easy 0.14041717882974725 0.14261022668001652 https://leetcode.com/problems/find-k-closest-elements https://leetcode.com/problems/rectangle-overlap
37 996 658 Number of Squareful Arrays Find K Closest Elements 47.8% 40.9% Hard Medium 0.13767409129953323 0.14041717882974725 https://leetcode.com/problems/number-of-squareful-arrays https://leetcode.com/problems/find-k-closest-elements
38 139 996 Word Break Number of Squareful Arrays 40.1% 47.8% Medium Hard 0.1314440532234174 0.13767409129953323 https://leetcode.com/problems/word-break https://leetcode.com/problems/number-of-squareful-arrays
39 54 139 Spiral Matrix Word Break 34.1% 40.1% Medium Medium 0.12572728493821236 0.1314440532234174 https://leetcode.com/problems/spiral-matrix https://leetcode.com/problems/word-break
40 636 54 Exclusive Time of Functions Spiral Matrix 52.0% 34.1% Medium Medium 0.12466318981419816 0.12572728493821236 https://leetcode.com/problems/exclusive-time-of-functions https://leetcode.com/problems/spiral-matrix
41 741 636 Cherry Pickup Exclusive Time of Functions 33.9% 52.0% Hard Medium 0.12293768624504794 0.12466318981419816 https://leetcode.com/problems/cherry-pickup https://leetcode.com/problems/exclusive-time-of-functions
42 202 741 Happy Number Cherry Pickup 50.4% 33.9% Easy Hard 0.11982401289364229 0.12293768624504794 https://leetcode.com/problems/happy-number https://leetcode.com/problems/cherry-pickup
43 3 202 Longest Substring Without Repeating Characters Happy Number 30.4% 50.4% Medium Easy 0.11876423093459514 0.11982401289364229 https://leetcode.com/problems/longest-substring-without-repeating-characters https://leetcode.com/problems/happy-number
44 329 3 Longest Increasing Path in a Matrix Longest Substring Without Repeating Characters 43.4% 30.4% Hard Medium 0.11459264165812869 0.11876423093459514 https://leetcode.com/problems/longest-increasing-path-in-a-matrix https://leetcode.com/problems/longest-substring-without-repeating-characters
45 36 329 Valid Sudoku Longest Increasing Path in a Matrix 48.7% 43.4% Medium Hard 0.11024748048381532 0.11459264165812869 https://leetcode.com/problems/valid-sudoku https://leetcode.com/problems/longest-increasing-path-in-a-matrix
46 472 36 Concatenated Words Valid Sudoku 43.7% 48.7% Hard Medium 0.10634180122055205 0.11024748048381532 https://leetcode.com/problems/concatenated-words https://leetcode.com/problems/valid-sudoku
47 388 472 Longest Absolute File Path Concatenated Words 41.8% 43.7% Medium Hard 0.105981440856292 0.10634180122055205 https://leetcode.com/problems/longest-absolute-file-path https://leetcode.com/problems/concatenated-words
48 343 388 Integer Break Longest Absolute File Path 50.4% 41.8% Medium Medium 0.10446541455492596 0.105981440856292 https://leetcode.com/problems/integer-break https://leetcode.com/problems/longest-absolute-file-path
49 88 343 Merge Sorted Array Integer Break 39.4% 50.4% Easy Medium 0.10303644235421959 0.10446541455492596 https://leetcode.com/problems/merge-sorted-array https://leetcode.com/problems/integer-break
50 393 88 UTF-8 Validation Merge Sorted Array 37.5% 39.4% Medium Easy 0.10212949507637983 0.10303644235421959 https://leetcode.com/problems/utf-8-validation https://leetcode.com/problems/merge-sorted-array
51 223 393 Rectangle Area UTF-8 Validation 37.8% 37.5% Medium Medium 0.10064352577968744 0.10212949507637983 https://leetcode.com/problems/rectangle-area https://leetcode.com/problems/utf-8-validation
52 56 223 Merge Intervals Rectangle Area 39.3% 37.8% Medium Medium 0.10005860920617055 0.10064352577968744 https://leetcode.com/problems/merge-intervals https://leetcode.com/problems/rectangle-area
53 48 56 Rotate Image Merge Intervals 56.7% 39.3% Medium Medium 0.09844007281325252 0.10005860920617055 https://leetcode.com/problems/rotate-image https://leetcode.com/problems/merge-intervals
54 733 48 Flood Fill Rotate Image 55.3% 56.7% Easy Medium 0.09669362480247104 0.09844007281325252 https://leetcode.com/problems/flood-fill https://leetcode.com/problems/rotate-image
55 23 733 Merge k Sorted Lists Flood Fill 40.2% 55.3% Hard Easy 0.09666556212354038 0.09669362480247104 https://leetcode.com/problems/merge-k-sorted-lists https://leetcode.com/problems/flood-fill
56 837 23 New 21 Game Merge k Sorted Lists 34.6% 40.2% Medium Hard 0.09646026618756222 0.09666556212354038 https://leetcode.com/problems/new-21-game https://leetcode.com/problems/merge-k-sorted-lists
57 642 837 Design Search Autocomplete System New 21 Game 44.7% 34.6% Hard Medium 0.09500811062818718 0.09646026618756222 https://leetcode.com/problems/design-search-autocomplete-system https://leetcode.com/problems/new-21-game
58 87 642 Scramble String Design Search Autocomplete System 33.7% 44.7% Hard Hard 0.09333193979221914 0.09500811062818718 https://leetcode.com/problems/scramble-string https://leetcode.com/problems/design-search-autocomplete-system
59 384 87 Shuffle an Array Scramble String 52.8% 33.7% Medium Hard 0.09170644621893462 0.09333193979221914 https://leetcode.com/problems/shuffle-an-array https://leetcode.com/problems/scramble-string
60 127 384 Word Ladder Shuffle an Array 29.6% 52.8% Medium Medium 0.09162341383415479 0.09170644621893462 https://leetcode.com/problems/word-ladder https://leetcode.com/problems/shuffle-an-array
61 545 127 Boundary of Binary Tree Word Ladder 38.9% 29.6% Medium Medium 0.091248671465145 0.09162341383415479 https://leetcode.com/problems/boundary-of-binary-tree https://leetcode.com/problems/word-ladder
62 266 545 Palindrome Permutation Boundary of Binary Tree 61.9% 38.9% Easy Medium 0.091248671465145 0.091248671465145 https://leetcode.com/problems/palindrome-permutation https://leetcode.com/problems/boundary-of-binary-tree
63 381 266 Insert Delete GetRandom O(1) - Duplicates allowed Palindrome Permutation 34.1% 61.9% Hard Easy 0.09106388892287375 0.091248671465145 https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed https://leetcode.com/problems/palindrome-permutation
64 15 381 3Sum Insert Delete GetRandom O(1) - Duplicates allowed 26.8% 34.1% Medium Hard 0.08893577620894672 0.09106388892287375 https://leetcode.com/problems/3sum https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
65 739 15 Daily Temperatures 3Sum 63.3% 26.8% Medium Medium 0.08686431971055465 0.08893577620894672 https://leetcode.com/problems/daily-temperatures https://leetcode.com/problems/3sum
66 177 739 Nth Highest Salary Daily Temperatures 31.4% 63.3% Medium Medium 0.0866192142068847 0.08686431971055465 https://leetcode.com/problems/nth-highest-salary https://leetcode.com/problems/daily-temperatures
67 18 177 4Sum Nth Highest Salary 33.7% 31.4% Medium Medium 0.08527891770220855 0.0866192142068847 https://leetcode.com/problems/4sum https://leetcode.com/problems/nth-highest-salary
68 124 18 Binary Tree Maximum Path Sum 4Sum 34.3% 33.7% Hard Medium 0.08503327428149603 0.08527891770220855 https://leetcode.com/problems/binary-tree-maximum-path-sum https://leetcode.com/problems/4sum
69 909 124 Snakes and Ladders Binary Tree Maximum Path Sum 38.4% 34.3% Medium Hard 0.08392620769993404 0.08503327428149603 https://leetcode.com/problems/snakes-and-ladders https://leetcode.com/problems/binary-tree-maximum-path-sum
70 509 909 Fibonacci Number Snakes and Ladders 67.2% 38.4% Easy Medium 0.08383840268320984 0.08392620769993404 https://leetcode.com/problems/fibonacci-number https://leetcode.com/problems/snakes-and-ladders
71 297 509 Serialize and Deserialize Binary Tree Fibonacci Number 47.5% 67.2% Hard Easy 0.0834242216674795 0.08383840268320984 https://leetcode.com/problems/serialize-and-deserialize-binary-tree https://leetcode.com/problems/fibonacci-number
72 193 297 Valid Phone Numbers Serialize and Deserialize Binary Tree 25.3% 47.5% Easy Hard 0.08269171584511335 0.0834242216674795 https://leetcode.com/problems/valid-phone-numbers https://leetcode.com/problems/serialize-and-deserialize-binary-tree
73 34 193 Find First and Last Position of Element in Sorted Array Valid Phone Numbers 36.2% 25.3% Medium Easy 0.08268327002043342 0.08269171584511335 https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array https://leetcode.com/problems/valid-phone-numbers
74 46 34 Permutations Find First and Last Position of Element in Sorted Array 63.5% 36.2% Medium Medium 0.08209632149618187 0.08268327002043342 https://leetcode.com/problems/permutations https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
75 387 46 First Unique Character in a String Permutations 53.4% 63.5% Easy Medium 0.08151765202603821 0.08209632149618187 https://leetcode.com/problems/first-unique-character-in-a-string https://leetcode.com/problems/permutations
76 729 387 My Calendar I First Unique Character in a String 51.8% 53.4% Medium Easy 0.0801854119192299 0.08151765202603821 https://leetcode.com/problems/my-calendar-i https://leetcode.com/problems/first-unique-character-in-a-string
77 14 729 Longest Common Prefix My Calendar I 35.4% 51.8% Easy Medium 0.07987000438694741 0.0801854119192299 https://leetcode.com/problems/longest-common-prefix https://leetcode.com/problems/my-calendar-i
78 128 14 Longest Consecutive Sequence Longest Common Prefix 45.1% 35.4% Hard Easy 0.0786603197723907 0.07987000438694741 https://leetcode.com/problems/longest-consecutive-sequence https://leetcode.com/problems/longest-common-prefix
79 125 128 Valid Palindrome Longest Consecutive Sequence 36.7% 45.1% Easy Hard 0.07766984472754161 0.0786603197723907 https://leetcode.com/problems/valid-palindrome https://leetcode.com/problems/longest-consecutive-sequence
80 1221 125 Split a String in Balanced Strings Valid Palindrome 83.3% 36.7% Easy Easy 0.07634057217232601 0.07766984472754161 https://leetcode.com/problems/split-a-string-in-balanced-strings https://leetcode.com/problems/valid-palindrome
81 273 1221 Integer to English Words Split a String in Balanced Strings 27.1% 83.3% Hard Easy 0.0732177031685638 0.07634057217232601 https://leetcode.com/problems/integer-to-english-words https://leetcode.com/problems/split-a-string-in-balanced-strings
82 236 273 Lowest Common Ancestor of a Binary Tree Integer to English Words 45.7% 27.1% Medium Hard 0.07288369759447264 0.0732177031685638 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree https://leetcode.com/problems/integer-to-english-words
83 986 236 Interval List Intersections Lowest Common Ancestor of a Binary Tree 67.3% 45.7% Medium Medium 0.07255865182314948 0.07288369759447264 https://leetcode.com/problems/interval-list-intersections https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
84 394 986 Decode String Interval List Intersections 50.0% 67.3% Medium Medium 0.07120444629179161 0.07255865182314948 https://leetcode.com/problems/decode-string https://leetcode.com/problems/interval-list-intersections
85 632 394 Smallest Range Covering Elements from K Lists Decode String 52.4% 50.0% Hard Medium 0.07082605256861242 0.07120444629179161 https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists https://leetcode.com/problems/decode-string
86 253 632 Meeting Rooms II Smallest Range Covering Elements from K Lists 45.7% 52.4% Medium Hard 0.07046545668000562 0.07082605256861242 https://leetcode.com/problems/meeting-rooms-ii https://leetcode.com/problems/smallest-range-covering-elements-from-k-lists
87 187 253 Repeated DNA Sequences Meeting Rooms II 38.9% 45.7% Medium Medium 0.06947237281476738 0.07046545668000562 https://leetcode.com/problems/repeated-dna-sequences https://leetcode.com/problems/meeting-rooms-ii
88 867 187 Transpose Matrix Repeated DNA Sequences 62.8% 38.9% Easy Medium 0.06883450582029693 0.06947237281476738 https://leetcode.com/problems/transpose-matrix https://leetcode.com/problems/repeated-dna-sequences
89 17 867 Letter Combinations of a Phone Number Transpose Matrix 46.8% 62.8% Medium Easy 0.06820582606617018 0.06883450582029693 https://leetcode.com/problems/letter-combinations-of-a-phone-number https://leetcode.com/problems/transpose-matrix
90 16 17 3Sum Closest Letter Combinations of a Phone Number 46.0% 46.8% Medium Medium 0.065777130514714 0.06820582606617018 https://leetcode.com/problems/3sum-closest https://leetcode.com/problems/letter-combinations-of-a-phone-number
91 178 16 Rank Scores 3Sum Closest 45.8% 46.0% Medium Medium 0.06551667145414991 0.065777130514714 https://leetcode.com/problems/rank-scores https://leetcode.com/problems/3sum-closest
92 86 178 Partition List Rank Scores 41.5% 45.8% Medium Medium 0.06170036851169576 0.06551667145414991 https://leetcode.com/problems/partition-list https://leetcode.com/problems/rank-scores
93 75 86 Sort Colors Partition List 47.3% 41.5% Medium Medium 0.05950522970614658 0.06170036851169576 https://leetcode.com/problems/sort-colors https://leetcode.com/problems/partition-list
94 528 75 Random Pick with Weight Sort Colors 43.9% 47.3% Medium Medium 0.05805039128849884 0.05950522970614658 https://leetcode.com/problems/random-pick-with-weight https://leetcode.com/problems/sort-colors
95 417 528 Pacific Atlantic Water Flow Random Pick with Weight 41.1% 43.9% Medium Medium 0.057523844138186606 0.05805039128849884 https://leetcode.com/problems/pacific-atlantic-water-flow https://leetcode.com/problems/random-pick-with-weight
96 283 417 Move Zeroes Pacific Atlantic Water Flow 57.8% 41.1% Easy Medium 0.05686540295029014 0.057523844138186606 https://leetcode.com/problems/move-zeroes https://leetcode.com/problems/pacific-atlantic-water-flow
97 102 283 Binary Tree Level Order Traversal Move Zeroes 54.6% 57.8% Medium Easy 0.056692473087026664 0.05686540295029014 https://leetcode.com/problems/binary-tree-level-order-traversal https://leetcode.com/problems/move-zeroes
98 136 102 Single Number Binary Tree Level Order Traversal 65.5% 54.6% Easy Medium 0.05656352626214251 0.056692473087026664 https://leetcode.com/problems/single-number https://leetcode.com/problems/binary-tree-level-order-traversal
99 41 136 First Missing Positive Single Number 32.0% 65.5% Hard Easy 0.056273635982108605 0.05656352626214251 https://leetcode.com/problems/first-missing-positive https://leetcode.com/problems/single-number
100 21 41 Merge Two Sorted Lists First Missing Positive 53.5% 32.0% Easy Hard 0.05490757117845869 0.056273635982108605 https://leetcode.com/problems/merge-two-sorted-lists https://leetcode.com/problems/first-missing-positive
101 7 21 Reverse Integer Merge Two Sorted Lists 25.8% 53.5% Easy Easy 0.054824382173728654 0.05490757117845869 https://leetcode.com/problems/reverse-integer https://leetcode.com/problems/merge-two-sorted-lists
102 443 7 String Compression Reverse Integer 41.3% 25.8% Easy Easy 0.05450940566837169 0.054824382173728654 https://leetcode.com/problems/string-compression https://leetcode.com/problems/reverse-integer
103 594 443 Longest Harmonious Subsequence String Compression 46.6% 41.3% Easy Easy 0.054435206555017046 0.05450940566837169 https://leetcode.com/problems/longest-harmonious-subsequence https://leetcode.com/problems/string-compression
104 332 594 Reconstruct Itinerary Longest Harmonious Subsequence 36.7% 46.6% Medium Easy 0.053921416793820044 0.054435206555017046 https://leetcode.com/problems/reconstruct-itinerary https://leetcode.com/problems/longest-harmonious-subsequence
105 1275 332 Find Winner on a Tic Tac Toe Game Reconstruct Itinerary 52.8% 36.7% Easy Medium 0.05292240145434251 0.053921416793820044 https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game https://leetcode.com/problems/reconstruct-itinerary
106 31 1275 Next Permutation Find Winner on a Tic Tac Toe Game 32.6% 52.8% Medium Easy 0.05265913800819017 0.05292240145434251 https://leetcode.com/problems/next-permutation https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
107 687 31 Longest Univalue Path Next Permutation 36.2% 32.6% Easy Medium 0.05212529063213289 0.05265913800819017 https://leetcode.com/problems/longest-univalue-path https://leetcode.com/problems/next-permutation
108 120 687 Triangle Longest Univalue Path 44.2% 36.2% Medium Easy 0.05192600557601006 0.05212529063213289 https://leetcode.com/problems/triangle https://leetcode.com/problems/longest-univalue-path
109 622 120 Design Circular Queue Triangle 43.7% 44.2% Medium Medium 0.049844204077291364 0.05192600557601006 https://leetcode.com/problems/design-circular-queue https://leetcode.com/problems/triangle
110 133 622 Clone Graph Design Circular Queue 34.8% 43.7% Medium Medium 0.049801168649527466 0.049844204077291364 https://leetcode.com/problems/clone-graph https://leetcode.com/problems/design-circular-queue
111 518 133 Coin Change 2 Clone Graph 50.2% 34.8% Medium Medium 0.04919528672454412 0.049801168649527466 https://leetcode.com/problems/coin-change-2 https://leetcode.com/problems/clone-graph
112 108 518 Convert Sorted Array to Binary Search Tree Coin Change 2 57.9% 50.2% Easy Medium 0.048909503032274274 0.04919528672454412 https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree https://leetcode.com/problems/coin-change-2
113 445 108 Add Two Numbers II Convert Sorted Array to Binary Search Tree 54.5% 57.9% Medium Easy 0.04843561709959499 0.048909503032274274 https://leetcode.com/problems/add-two-numbers-ii https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
114 336 445 Palindrome Pairs Add Two Numbers II 33.7% 54.5% Hard Medium 0.04690191367275952 0.04843561709959499 https://leetcode.com/problems/palindrome-pairs https://leetcode.com/problems/add-two-numbers-ii
115 453 336 Minimum Moves to Equal Array Elements Palindrome Pairs 50.2% 33.7% Easy Hard 0.04652001563489285 0.04690191367275952 https://leetcode.com/problems/minimum-moves-to-equal-array-elements https://leetcode.com/problems/palindrome-pairs
116 442 453 Find All Duplicates in an Array Minimum Moves to Equal Array Elements 67.8% 50.2% Medium Easy 0.04590593720045213 0.04652001563489285 https://leetcode.com/problems/find-all-duplicates-in-an-array https://leetcode.com/problems/minimum-moves-to-equal-array-elements
117 8 442 String to Integer (atoi) Find All Duplicates in an Array 15.4% 67.8% Medium Medium 0.04549614908874012 0.04590593720045213 https://leetcode.com/problems/string-to-integer-atoi https://leetcode.com/problems/find-all-duplicates-in-an-array
118 232 8 Implement Queue using Stacks String to Integer (atoi) 49.6% 15.4% Easy Medium 0.04423053722733957 0.04549614908874012 https://leetcode.com/problems/implement-queue-using-stacks https://leetcode.com/problems/string-to-integer-atoi
119 93 232 Restore IP Addresses Implement Queue using Stacks 35.6% 49.6% Medium Easy 0.04393092922572675 0.04423053722733957 https://leetcode.com/problems/restore-ip-addresses https://leetcode.com/problems/implement-queue-using-stacks
120 895 93 Maximum Frequency Stack Restore IP Addresses 60.6% 35.6% Hard Medium 0.04329680575332419 0.04393092922572675 https://leetcode.com/problems/maximum-frequency-stack https://leetcode.com/problems/restore-ip-addresses
121 490 895 The Maze Maximum Frequency Stack 51.4% 60.6% Medium Hard 0.04287902305923364 0.04329680575332419 https://leetcode.com/problems/the-maze https://leetcode.com/problems/maximum-frequency-stack
122 515 490 Find Largest Value in Each Tree Row The Maze 61.1% 51.4% Medium Medium 0.042459207771791546 0.04287902305923364 https://leetcode.com/problems/find-largest-value-in-each-tree-row https://leetcode.com/problems/the-maze
123 140 515 Word Break II Find Largest Value in Each Tree Row 32.6% 61.1% Hard Medium 0.04245795568707049 0.042459207771791546 https://leetcode.com/problems/word-break-ii https://leetcode.com/problems/find-largest-value-in-each-tree-row
124 121 140 Best Time to Buy and Sell Stock Word Break II 50.5% 32.6% Easy Hard 0.04215422741819192 0.04245795568707049 https://leetcode.com/problems/best-time-to-buy-and-sell-stock https://leetcode.com/problems/word-break-ii
125 448 121 Find All Numbers Disappeared in an Array Best Time to Buy and Sell Stock 55.9% 50.5% Easy Easy 0.04214343508255059 0.04215422741819192 https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array https://leetcode.com/problems/best-time-to-buy-and-sell-stock
126 141 448 Linked List Cycle Find All Numbers Disappeared in an Array 41.1% 55.9% Easy Easy 0.0419797805851107 0.04214343508255059 https://leetcode.com/problems/linked-list-cycle https://leetcode.com/problems/find-all-numbers-disappeared-in-an-array
127 155 141 Min Stack Linked List Cycle 44.5% 41.1% Easy Easy 0.04194952712763244 0.0419797805851107 https://leetcode.com/problems/min-stack https://leetcode.com/problems/linked-list-cycle
128 647 155 Palindromic Substrings Min Stack 60.6% 44.5% Medium Easy 0.040968350772541844 0.04194952712763244 https://leetcode.com/problems/palindromic-substrings https://leetcode.com/problems/min-stack
129 37 647 Sudoku Solver Palindromic Substrings 43.6% 60.6% Hard Medium 0.040527833612118376 0.040968350772541844 https://leetcode.com/problems/sudoku-solver https://leetcode.com/problems/palindromic-substrings
130 25 37 Reverse Nodes in k-Group Sudoku Solver 42.1% 43.6% Hard Hard 0.040236757867738004 0.040527833612118376 https://leetcode.com/problems/reverse-nodes-in-k-group https://leetcode.com/problems/sudoku-solver
131 256 25 Paint House Reverse Nodes in k-Group 52.1% 42.1% Easy Hard 0.03937516523483013 0.040236757867738004 https://leetcode.com/problems/paint-house https://leetcode.com/problems/reverse-nodes-in-k-group
132 344 256 Reverse String Paint House 68.5% 52.1% Easy Easy 0.0393340697038369 0.03937516523483013 https://leetcode.com/problems/reverse-string https://leetcode.com/problems/paint-house
133 706 344 Design HashMap Reverse String 61.3% 68.5% Easy Easy 0.039016652342451774 0.0393340697038369 https://leetcode.com/problems/design-hashmap https://leetcode.com/problems/reverse-string
134 1060 706 Missing Element in Sorted Array Design HashMap 54.5% 61.3% Medium Easy 0.03879796954098255 0.039016652342451774 https://leetcode.com/problems/missing-element-in-sorted-array https://leetcode.com/problems/design-hashmap
135 168 1060 Excel Sheet Column Title Missing Element in Sorted Array 31.1% 54.5% Easy Medium 0.03861483612777958 0.03879796954098255 https://leetcode.com/problems/excel-sheet-column-title https://leetcode.com/problems/missing-element-in-sorted-array
136 24 168 Swap Nodes in Pairs Excel Sheet Column Title 50.4% 31.1% Medium Easy 0.03826607060639552 0.03861483612777958 https://leetcode.com/problems/swap-nodes-in-pairs https://leetcode.com/problems/excel-sheet-column-title
137 863 24 All Nodes Distance K in Binary Tree Swap Nodes in Pairs 55.4% 50.4% Medium Medium 0.037756162417993476 0.03826607060639552 https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree https://leetcode.com/problems/swap-nodes-in-pairs
138 11 863 Container With Most Water All Nodes Distance K in Binary Tree 50.8% 55.4% Medium Medium 0.03694630107228425 0.037756162417993476 https://leetcode.com/problems/container-with-most-water https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
139 51 11 N-Queens Container With Most Water 46.6% 50.8% Hard Medium 0.03651521297509749 0.03694630107228425 https://leetcode.com/problems/n-queens https://leetcode.com/problems/container-with-most-water
140 43 51 Multiply Strings N-Queens 33.9% 46.6% Medium Hard 0.03608871558298825 0.03651521297509749 https://leetcode.com/problems/multiply-strings https://leetcode.com/problems/n-queens
141 59 43 Spiral Matrix II Multiply Strings 53.9% 33.9% Medium Medium 0.0351873674509732 0.03608871558298825 https://leetcode.com/problems/spiral-matrix-ii https://leetcode.com/problems/multiply-strings
142 374 59 Guess Number Higher or Lower Spiral Matrix II 43.1% 53.9% Easy Medium 0.03422387238757742 0.0351873674509732 https://leetcode.com/problems/guess-number-higher-or-lower https://leetcode.com/problems/spiral-matrix-ii
143 886 374 Possible Bipartition Guess Number Higher or Lower 44.2% 43.1% Medium Easy 0.034103901828857086 0.03422387238757742 https://leetcode.com/problems/possible-bipartition https://leetcode.com/problems/guess-number-higher-or-lower
144 287 886 Find the Duplicate Number Possible Bipartition 55.5% 44.2% Medium Medium 0.033896954598043594 0.034103901828857086 https://leetcode.com/problems/find-the-duplicate-number https://leetcode.com/problems/possible-bipartition
145 480 287 Sliding Window Median Find the Duplicate Number 37.2% 55.5% Hard Medium 0.03373001037669306 0.033896954598043594 https://leetcode.com/problems/sliding-window-median https://leetcode.com/problems/find-the-duplicate-number
146 694 480 Number of Distinct Islands Sliding Window Median 56.0% 37.2% Medium Hard 0.03278982282299087 0.03373001037669306 https://leetcode.com/problems/number-of-distinct-islands https://leetcode.com/problems/sliding-window-median
147 300 694 Longest Increasing Subsequence Number of Distinct Islands 42.6% 56.0% Medium Medium 0.03245773693742074 0.03278982282299087 https://leetcode.com/problems/longest-increasing-subsequence https://leetcode.com/problems/number-of-distinct-islands
148 1146 300 Snapshot Array Longest Increasing Subsequence 37.0% 42.6% Medium Medium 0.0317991816929387 0.03245773693742074 https://leetcode.com/problems/snapshot-array https://leetcode.com/problems/longest-increasing-subsequence
149 1114 1146 Print in Order Snapshot Array 65.7% 37.0% Easy Medium 0.0317486983145803 0.0317991816929387 https://leetcode.com/problems/print-in-order https://leetcode.com/problems/snapshot-array
150 304 1114 Range Sum Query 2D - Immutable Print in Order 38.6% 65.7% Medium Easy 0.031036973995576488 0.0317486983145803 https://leetcode.com/problems/range-sum-query-2d-immutable https://leetcode.com/problems/print-in-order
151 703 304 Kth Largest Element in a Stream Range Sum Query 2D - Immutable 49.7% 38.6% Easy Medium 0.031004894819414507 0.031036973995576488 https://leetcode.com/problems/kth-largest-element-in-a-stream https://leetcode.com/problems/range-sum-query-2d-immutable
152 460 703 LFU Cache Kth Largest Element in a Stream 34.2% 49.7% Hard Easy 0.030962225603966897 0.031004894819414507 https://leetcode.com/problems/lfu-cache https://leetcode.com/problems/kth-largest-element-in-a-stream
153 179 460 Largest Number LFU Cache 28.8% 34.2% Medium Hard 0.03093030069135863 0.030962225603966897 https://leetcode.com/problems/largest-number https://leetcode.com/problems/lfu-cache
154 13 179 Roman to Integer Largest Number 55.7% 28.8% Easy Medium 0.030443751414723153 0.03093030069135863 https://leetcode.com/problems/roman-to-integer https://leetcode.com/problems/largest-number
155 268 13 Missing Number Roman to Integer 51.7% 55.7% Easy Easy 0.03011913009547617 0.030443751414723153 https://leetcode.com/problems/missing-number https://leetcode.com/problems/roman-to-integer
156 1011 268 Capacity To Ship Packages Within D Days Missing Number 58.1% 51.7% Medium Easy 0.030100090297855955 0.03011913009547617 https://leetcode.com/problems/capacity-to-ship-packages-within-d-days https://leetcode.com/problems/missing-number
157 415 1011 Add Strings Capacity To Ship Packages Within D Days 47.5% 58.1% Easy Medium 0.030009753867991852 0.030100090297855955 https://leetcode.com/problems/add-strings https://leetcode.com/problems/capacity-to-ship-packages-within-d-days
158 135 415 Candy Add Strings 31.6% 47.5% Hard Easy 0.029764101906453892 0.030009753867991852 https://leetcode.com/problems/candy https://leetcode.com/problems/add-strings
159 277 135 Find the Celebrity Candy 41.8% 31.6% Medium Hard 0.02969780239174205 0.029764101906453892 https://leetcode.com/problems/find-the-celebrity https://leetcode.com/problems/candy
160 1197 277 Minimum Knight Moves Find the Celebrity 36.1% 41.8% Medium Medium 0.02969780239174205 0.02969780239174205 https://leetcode.com/problems/minimum-knight-moves https://leetcode.com/problems/find-the-celebrity
161 191 1197 Number of 1 Bits Minimum Knight Moves 49.8% 36.1% Easy Medium 0.029560622742018188 0.02969780239174205 https://leetcode.com/problems/number-of-1-bits https://leetcode.com/problems/minimum-knight-moves
162 82 191 Remove Duplicates from Sorted List II Number of 1 Bits 36.8% 49.8% Medium Easy 0.028950236662501776 0.029560622742018188 https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii https://leetcode.com/problems/number-of-1-bits
163 771 82 Jewels and Stones Remove Duplicates from Sorted List II 86.4% 36.8% Easy Medium 0.028825631190792587 0.028950236662501776 https://leetcode.com/problems/jewels-and-stones https://leetcode.com/problems/remove-duplicates-from-sorted-list-ii
164 33 771 Search in Rotated Sorted Array Jewels and Stones 34.5% 86.4% Medium Easy 0.0287009496170278 0.028825631190792587 https://leetcode.com/problems/search-in-rotated-sorted-array https://leetcode.com/problems/jewels-and-stones
165 62 33 Unique Paths Search in Rotated Sorted Array 54.1% 34.5% Medium Medium 0.02853749186115581 0.0287009496170278 https://leetcode.com/problems/unique-paths https://leetcode.com/problems/search-in-rotated-sorted-array
166 77 62 Combinations Unique Paths 54.7% 54.1% Medium Medium 0.028021758737593695 0.02853749186115581 https://leetcode.com/problems/combinations https://leetcode.com/problems/unique-paths
167 20 77 Valid Parentheses Combinations 39.0% 54.7% Easy Medium 0.02782373445001039 0.028021758737593695 https://leetcode.com/problems/valid-parentheses https://leetcode.com/problems/combinations
168 68 20 Text Justification Valid Parentheses 27.7% 39.0% Hard Easy 0.0276451606661453 0.02782373445001039 https://leetcode.com/problems/text-justification https://leetcode.com/problems/valid-parentheses
169 796 68 Rotate String Text Justification 49.6% 27.7% Easy Hard 0.02701041988276247 0.0276451606661453 https://leetcode.com/problems/rotate-string https://leetcode.com/problems/text-justification
170 29 796 Divide Two Integers Rotate String 16.4% 49.6% Medium Easy 0.026820246545985277 0.02701041988276247 https://leetcode.com/problems/divide-two-integers https://leetcode.com/problems/rotate-string
171 931 29 Minimum Falling Path Sum Divide Two Integers 62.5% 16.4% Medium Medium 0.02672169681715245 0.026820246545985277 https://leetcode.com/problems/minimum-falling-path-sum https://leetcode.com/problems/divide-two-integers
172 79 931 Word Search Minimum Falling Path Sum 35.6% 62.5% Medium Medium 0.026308653156300807 0.02672169681715245 https://leetcode.com/problems/word-search https://leetcode.com/problems/minimum-falling-path-sum
173 143 79 Reorder List Word Search 37.1% 35.6% Medium Medium 0.025870945598649286 0.026308653156300807 https://leetcode.com/problems/reorder-list https://leetcode.com/problems/word-search
174 242 143 Valid Anagram Reorder List 56.9% 37.1% Easy Medium 0.025684584297773504 0.025870945598649286 https://leetcode.com/problems/valid-anagram https://leetcode.com/problems/reorder-list
175 218 242 The Skyline Problem Valid Anagram 34.6% 56.9% Hard Easy 0.025479085300984906 0.025684584297773504 https://leetcode.com/problems/the-skyline-problem https://leetcode.com/problems/valid-anagram
176 1038 218 Binary Search Tree to Greater Sum Tree The Skyline Problem 80.8% 34.6% Medium Hard 0.025446665661164262 0.025479085300984906 https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree https://leetcode.com/problems/the-skyline-problem
177 162 1038 Find Peak Element Binary Search Tree to Greater Sum Tree 43.3% 80.8% Medium Medium 0.02516251642407408 0.025446665661164262 https://leetcode.com/problems/find-peak-element https://leetcode.com/problems/binary-search-tree-to-greater-sum-tree
178 322 162 Coin Change Find Peak Element 35.5% 43.3% Medium Medium 0.024924029676386045 0.02516251642407408 https://leetcode.com/problems/coin-change https://leetcode.com/problems/find-peak-element
179 220 322 Contains Duplicate III Coin Change 20.9% 35.5% Medium Medium 0.024876904755404577 0.024924029676386045 https://leetcode.com/problems/contains-duplicate-iii https://leetcode.com/problems/coin-change
180 138 220 Copy List with Random Pointer Contains Duplicate III 36.4% 20.9% Medium Medium 0.02453734514188008 0.024876904755404577 https://leetcode.com/problems/copy-list-with-random-pointer https://leetcode.com/problems/contains-duplicate-iii
181 310 138 Minimum Height Trees Copy List with Random Pointer 32.3% 36.4% Medium Medium 0.02446605215440636 0.02453734514188008 https://leetcode.com/problems/minimum-height-trees https://leetcode.com/problems/copy-list-with-random-pointer
182 977 310 Squares of a Sorted Array Minimum Height Trees 72.1% 32.3% Easy Medium 0.02407434514623628 0.02446605215440636 https://leetcode.com/problems/squares-of-a-sorted-array https://leetcode.com/problems/minimum-height-trees
183 1315 977 Sum of Nodes with Even-Valued Grandparent Squares of a Sorted Array 83.5% 72.1% Medium Easy 0.023981964686485415 0.02407434514623628 https://leetcode.com/problems/sum-of-nodes-with-even-valued-grandparent https://leetcode.com/problems/squares-of-a-sorted-array
184 91 1315 Decode Ways Sum of Nodes with Even-Valued Grandparent 24.7% 83.5% Medium Medium 0.023662742620848144 0.023981964686485415 https://leetcode.com/problems/decode-ways https://leetcode.com/problems/sum-of-nodes-with-even-valued-grandparent
185 198 91 House Robber Decode Ways 42.0% 24.7% Easy Medium 0.023256862164267263 0.023662742620848144 https://leetcode.com/problems/house-robber https://leetcode.com/problems/decode-ways
186 210 198 Course Schedule II House Robber 40.7% 42.0% Medium Easy 0.023133880315464483 0.023256862164267263 https://leetcode.com/problems/course-schedule-ii https://leetcode.com/problems/house-robber
187 973 210 K Closest Points to Origin Course Schedule II 63.8% 40.7% Medium Medium 0.022897394173017796 0.023133880315464483 https://leetcode.com/problems/k-closest-points-to-origin https://leetcode.com/problems/course-schedule-ii
188 105 973 Construct Binary Tree from Preorder and Inorder Traversal K Closest Points to Origin 48.8% 63.8% Medium Medium 0.022325470299025416 0.022897394173017796 https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal https://leetcode.com/problems/k-closest-points-to-origin
189 221 105 Maximal Square Construct Binary Tree from Preorder and Inorder Traversal 37.7% 48.8% Medium Medium 0.022108490754203434 0.022325470299025416 https://leetcode.com/problems/maximal-square https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
190 380 221 Insert Delete GetRandom O(1) Maximal Square 47.5% 37.7% Medium Medium 0.021962815449093263 0.022108490754203434 https://leetcode.com/problems/insert-delete-getrandom-o1 https://leetcode.com/problems/maximal-square
191 167 380 Two Sum II - Input array is sorted Insert Delete GetRandom O(1) 54.1% 47.5% Easy Medium 0.021849838247772296 0.021962815449093263 https://leetcode.com/problems/two-sum-ii-input-array-is-sorted https://leetcode.com/problems/insert-delete-getrandom-o1
192 231 167 Power of Two Two Sum II - Input array is sorted 43.7% 54.1% Easy Easy 0.021776810232970734 0.021849838247772296 https://leetcode.com/problems/power-of-two https://leetcode.com/problems/two-sum-ii-input-array-is-sorted
193 45 231 Jump Game II Power of Two 30.6% 43.7% Hard Easy 0.021353124470568974 0.021776810232970734 https://leetcode.com/problems/jump-game-ii https://leetcode.com/problems/power-of-two
194 359 45 Logger Rate Limiter Jump Game II 70.8% 30.6% Easy Hard 0.021053409197832343 0.021353124470568974 https://leetcode.com/problems/logger-rate-limiter https://leetcode.com/problems/jump-game-ii
195 670 359 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
196 122 670 Best Time to Buy and Sell Stock II Maximum Swap 57.0% 43.6% Easy Medium 0.020783855622427426 0.020844944430365928 https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii https://leetcode.com/problems/maximum-swap
197 279 122 Perfect Squares Best Time to Buy and Sell Stock II 47.4% 57.0% Medium Easy 0.02061928720273568 0.020783855622427426 https://leetcode.com/problems/perfect-squares https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
198 32 279 Longest Valid Parentheses Perfect Squares 28.4% 47.4% Hard Medium 0.020385756924473915 0.02061928720273568 https://leetcode.com/problems/longest-valid-parentheses https://leetcode.com/problems/perfect-squares
199 454 32 4Sum II Longest Valid Parentheses 53.1% 28.4% Medium Hard 0.02033623717961716 0.020385756924473915 https://leetcode.com/problems/4sum-ii https://leetcode.com/problems/longest-valid-parentheses
200 166 454 Fraction to Recurring Decimal 4Sum II 21.6% 53.1% Medium Medium 0.02015181543730795 0.02033623717961716 https://leetcode.com/problems/fraction-to-recurring-decimal https://leetcode.com/problems/4sum-ii
201 525 166 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
202 63 525 Unique Paths II Contiguous Array 34.6% 42.8% Medium Medium 0.01949801804099658 0.01975372873623256 https://leetcode.com/problems/unique-paths-ii https://leetcode.com/problems/contiguous-array
203 435 63 Non-overlapping Intervals Unique Paths II 42.9% 34.6% Medium Medium 0.019455866615365896 0.01949801804099658 https://leetcode.com/problems/non-overlapping-intervals https://leetcode.com/problems/unique-paths-ii
204 669 435 Trim a Binary Search Tree Non-overlapping Intervals 63.0% 42.9% Easy Medium 0.019139340210697423 0.019455866615365896 https://leetcode.com/problems/trim-a-binary-search-tree https://leetcode.com/problems/non-overlapping-intervals
205 229 669 Majority Element II Trim a Binary Search Tree 35.6% 63.0% Medium Easy 0.019057270410286146 0.019139340210697423 https://leetcode.com/problems/majority-element-ii https://leetcode.com/problems/trim-a-binary-search-tree
206 151 229 Reverse Words in a String Majority Element II 21.9% 35.6% Medium Medium 0.018673611472670153 0.019057270410286146 https://leetcode.com/problems/reverse-words-in-a-string https://leetcode.com/problems/majority-element-ii
207 617 151 Merge Two Binary Trees Reverse Words in a String 74.1% 21.9% Easy Medium 0.018496211633622316 0.018673611472670153 https://leetcode.com/problems/merge-two-binary-trees https://leetcode.com/problems/reverse-words-in-a-string
208 234 617 Palindrome Linked List Merge Two Binary Trees 39.3% 74.1% Easy Easy 0.01801241989645556 0.018496211633622316 https://leetcode.com/problems/palindrome-linked-list https://leetcode.com/problems/merge-two-binary-trees
209 126 234 Word Ladder II Palindrome Linked List 22.1% 39.3% Hard Easy 0.017994187717865196 0.01801241989645556 https://leetcode.com/problems/word-ladder-ii https://leetcode.com/problems/palindrome-linked-list
210 542 126 01 Matrix Word Ladder II 39.8% 22.1% Medium Hard 0.01796993548494071 0.017994187717865196 https://leetcode.com/problems/01-matrix https://leetcode.com/problems/word-ladder-ii
211 406 542 Queue Reconstruction by Height 01 Matrix 66.9% 39.8% Medium Medium 0.01774669468133533 0.01796993548494071 https://leetcode.com/problems/queue-reconstruction-by-height https://leetcode.com/problems/01-matrix
212 38 406 Count and Say Queue Reconstruction by Height 44.6% 66.9% Easy Medium 0.01753063983505879 0.01774669468133533 https://leetcode.com/problems/count-and-say https://leetcode.com/problems/queue-reconstruction-by-height
213 22 38 Generate Parentheses Count and Say 62.7% 44.6% Medium Easy 0.017331456351639924 0.01753063983505879 https://leetcode.com/problems/generate-parentheses https://leetcode.com/problems/count-and-say
214 95 22 Unique Binary Search Trees II Generate Parentheses 40.6% 62.7% Medium Medium 0.016856699181010838 0.017331456351639924 https://leetcode.com/problems/unique-binary-search-trees-ii https://leetcode.com/problems/generate-parentheses
215 692 95 Top K Frequent Words Unique Binary Search Trees II 51.8% 40.6% Medium Medium 0.016832265743172113 0.016856699181010838 https://leetcode.com/problems/top-k-frequent-words https://leetcode.com/problems/unique-binary-search-trees-ii
216 176 692 Second Highest Salary Top K Frequent Words 31.6% 51.8% Easy Medium 0.01655971603901838 0.016832265743172113 https://leetcode.com/problems/second-highest-salary https://leetcode.com/problems/top-k-frequent-words
217 188 176 Best Time to Buy and Sell Stock IV Second Highest Salary 28.0% 31.6% Hard Easy 0.01651565203072114 0.01655971603901838 https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv https://leetcode.com/problems/second-highest-salary
218 116 188 Populating Next Right Pointers in Each Node Best Time to Buy and Sell Stock IV 45.2% 28.0% Medium Hard 0.016432723251567683 0.01651565203072114 https://leetcode.com/problems/populating-next-right-pointers-in-each-node https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iv
219 1108 116 Defanging an IP Address Populating Next Right Pointers in Each Node 87.5% 45.2% Easy Medium 0.016423726830643748 0.016432723251567683 https://leetcode.com/problems/defanging-an-ip-address https://leetcode.com/problems/populating-next-right-pointers-in-each-node
220 73 1108 Set Matrix Zeroes Defanging an IP Address 43.1% 87.5% Medium Easy 0.015715357479628243 0.016423726830643748 https://leetcode.com/problems/set-matrix-zeroes https://leetcode.com/problems/defanging-an-ip-address
221 938 73 Range Sum of BST Set Matrix Zeroes 81.3% 43.1% Easy Medium 0.015707129205357877 0.015715357479628243 https://leetcode.com/problems/range-sum-of-bst https://leetcode.com/problems/set-matrix-zeroes
222 215 938 Kth Largest Element in an Array Range Sum of BST 55.4% 81.3% Medium Easy 0.015519225147600912 0.015707129205357877 https://leetcode.com/problems/kth-largest-element-in-an-array https://leetcode.com/problems/range-sum-of-bst
223 114 215 Flatten Binary Tree to Linked List Kth Largest Element in an Array 49.3% 55.4% Medium Medium 0.015450951155718977 0.015519225147600912 https://leetcode.com/problems/flatten-binary-tree-to-linked-list https://leetcode.com/problems/kth-largest-element-in-an-array
224 1002 114 Find Common Characters Flatten Binary Tree to Linked List 67.6% 49.3% Easy Medium 0.015273301861833809 0.015450951155718977 https://leetcode.com/problems/find-common-characters https://leetcode.com/problems/flatten-binary-tree-to-linked-list
225 561 1002 Array Partition I Find Common Characters 72.0% 67.6% Easy Easy 0.015186320707985562 0.015273301861833809 https://leetcode.com/problems/array-partition-i https://leetcode.com/problems/find-common-characters
226 153 561 Find Minimum in Rotated Sorted Array Array Partition I 45.1% 72.0% Medium Easy 0.014939586916186732 0.015186320707985562 https://leetcode.com/problems/find-minimum-in-rotated-sorted-array https://leetcode.com/problems/array-partition-i
227 315 153 Count of Smaller Numbers After Self Find Minimum in Rotated Sorted Array 41.5% 45.1% Hard Medium 0.014352596574956585 0.014939586916186732 https://leetcode.com/problems/count-of-smaller-numbers-after-self https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
228 83 315 Remove Duplicates from Sorted List Count of Smaller Numbers After Self 45.4% 41.5% Easy Hard 0.014238493989114923 0.014352596574956585 https://leetcode.com/problems/remove-duplicates-from-sorted-list https://leetcode.com/problems/count-of-smaller-numbers-after-self
229 230 83 Kth Smallest Element in a BST Remove Duplicates from Sorted List 60.2% 45.4% Medium Easy 0.014200301729123736 0.014238493989114923 https://leetcode.com/problems/kth-smallest-element-in-a-bst https://leetcode.com/problems/remove-duplicates-from-sorted-list
230 371 230 Sum of Two Integers Kth Smallest Element in a BST 50.7% 60.2% Medium Medium 0.014064929467403538 0.014200301729123736 https://leetcode.com/problems/sum-of-two-integers https://leetcode.com/problems/kth-smallest-element-in-a-bst
231 76 371 Minimum Window Substring Sum of Two Integers 34.6% 50.7% Hard Medium 0.013966707481708198 0.014064929467403538 https://leetcode.com/problems/minimum-window-substring https://leetcode.com/problems/sum-of-two-integers
232 345 76 Reverse Vowels of a String Minimum Window Substring 44.2% 34.6% Easy Hard 0.013947227480850463 0.013966707481708198 https://leetcode.com/problems/reverse-vowels-of-a-string https://leetcode.com/problems/minimum-window-substring
233 724 345 Find Pivot Index Reverse Vowels of a String 44.0% 44.2% Easy Easy 0.013850636933899008 0.013947227480850463 https://leetcode.com/problems/find-pivot-index https://leetcode.com/problems/reverse-vowels-of-a-string
234 767 724 Reorganize String Find Pivot Index 48.7% 44.0% Medium Easy 0.01329806830463147 0.013850636933899008 https://leetcode.com/problems/reorganize-string https://leetcode.com/problems/find-pivot-index
235 347 767 Top K Frequent Elements Reorganize String 61.2% 48.7% Medium Medium 0.01329217620893675 0.01329806830463147 https://leetcode.com/problems/top-k-frequent-elements https://leetcode.com/problems/reorganize-string
236 695 347 Max Area of Island Top K Frequent Elements 62.7% 61.2% Medium Medium 0.012686500631003836 0.01329217620893675 https://leetcode.com/problems/max-area-of-island https://leetcode.com/problems/top-k-frequent-elements
237 9 695 Palindrome Number Max Area of Island 48.4% 62.7% Easy Medium 0.01209661684713821 0.012686500631003836 https://leetcode.com/problems/palindrome-number https://leetcode.com/problems/max-area-of-island
238 543 9 Diameter of Binary Tree Palindrome Number 48.4% 48.4% Easy Easy 0.011898606798495848 0.01209661684713821 https://leetcode.com/problems/diameter-of-binary-tree https://leetcode.com/problems/palindrome-number
239 378 543 Kth Smallest Element in a Sorted Matrix Diameter of Binary Tree 54.3% 48.4% Medium Easy 0.011634802567699611 0.011898606798495848 https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix https://leetcode.com/problems/diameter-of-binary-tree
240 69 378 Sqrt(x) Kth Smallest Element in a Sorted Matrix 33.9% 54.3% Easy Medium 0.011443227222342794 0.011634802567699611 https://leetcode.com/problems/sqrtx https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
241 190 69 Reverse Bits Sqrt(x) 39.8% 33.9% Easy Easy 0.011393278234619338 0.011443227222342794 https://leetcode.com/problems/reverse-bits https://leetcode.com/problems/sqrtx
242 123 190 Best Time to Buy and Sell Stock III Reverse Bits 37.5% 39.8% Hard Easy 0.011261380272539033 0.011393278234619338 https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii https://leetcode.com/problems/reverse-bits
243 171 123 Excel Sheet Column Number Best Time to Buy and Sell Stock III 55.9% 37.5% Easy Hard 0.011195191092491645 0.011261380272539033 https://leetcode.com/problems/excel-sheet-column-number https://leetcode.com/problems/best-time-to-buy-and-sell-stock-iii
244 207 171 Course Schedule Excel Sheet Column Number 43.1% 55.9% Medium Easy 0.01113459480911671 0.011195191092491645 https://leetcode.com/problems/course-schedule https://leetcode.com/problems/excel-sheet-column-number
245 104 207 Maximum Depth of Binary Tree Course Schedule 66.0% 43.1% Easy Medium 0.011105055822701604 0.01113459480911671 https://leetcode.com/problems/maximum-depth-of-binary-tree https://leetcode.com/problems/course-schedule
246 169 104 Majority Element Maximum Depth of Binary Tree 58.7% 66.0% Easy Easy 0.010558521365115802 0.011105055822701604 https://leetcode.com/problems/majority-element https://leetcode.com/problems/maximum-depth-of-binary-tree
247 211 169 Add and Search Word - Data structure design Majority Element 38.1% 58.7% Medium Easy 0.010438508143923443 0.010558521365115802 https://leetcode.com/problems/add-and-search-word-data-structure-design https://leetcode.com/problems/majority-element
248 67 211 Add Binary Add and Search Word - Data structure design 45.2% 38.1% Easy Medium 0.010342637288628867 0.010438508143923443 https://leetcode.com/problems/add-binary https://leetcode.com/problems/add-and-search-word-data-structure-design
249 819 67 Most Common Word Add Binary 44.8% 45.2% Easy Easy 0.010269666637456105 0.010342637288628867 https://leetcode.com/problems/most-common-word https://leetcode.com/problems/add-binary
250 113 819 Path Sum II Most Common Word 46.7% 44.8% Medium Easy 0.009784813879998279 0.010269666637456105 https://leetcode.com/problems/path-sum-ii https://leetcode.com/problems/most-common-word
251 47 113 Permutations II Path Sum II 46.4% 46.7% Medium Medium 0.009673594178378379 0.009784813879998279 https://leetcode.com/problems/permutations-ii https://leetcode.com/problems/path-sum-ii
252 905 47 Sort Array By Parity Permutations II 74.1% 46.4% Easy Medium 0.009603915354180344 0.009673594178378379 https://leetcode.com/problems/sort-array-by-parity https://leetcode.com/problems/permutations-ii
253 70 905 Climbing Stairs Sort Array By Parity 47.8% 74.1% Easy Easy 0.009390798483527519 0.009603915354180344 https://leetcode.com/problems/climbing-stairs https://leetcode.com/problems/sort-array-by-parity
254 74 70 Search a 2D Matrix Climbing Stairs 36.5% 47.8% Medium Easy 0.00934149716911291 0.009390798483527519 https://leetcode.com/problems/search-a-2d-matrix https://leetcode.com/problems/climbing-stairs
255 28 74 Implement strStr() Search a 2D Matrix 34.5% 36.5% Easy Medium 0.008850485542574548 0.00934149716911291 https://leetcode.com/problems/implement-strstr https://leetcode.com/problems/search-a-2d-matrix
256 700 28 Search in a Binary Search Tree Implement strStr() 73.1% 34.5% Easy Easy 0.008512500860171227 0.008850485542574548 https://leetcode.com/problems/search-in-a-binary-search-tree https://leetcode.com/problems/implement-strstr
257 173 700 Binary Search Tree Iterator Search in a Binary Search Tree 56.6% 73.1% Medium Easy 0.008489015324911316 0.008512500860171227 https://leetcode.com/problems/binary-search-tree-iterator https://leetcode.com/problems/search-in-a-binary-search-tree
258 209 173 Minimum Size Subarray Sum Binary Search Tree Iterator 38.2% 56.6% Medium Medium 0.00841401682484616 0.008489015324911316 https://leetcode.com/problems/minimum-size-subarray-sum https://leetcode.com/problems/binary-search-tree-iterator
259 763 209 Partition Labels Minimum Size Subarray Sum 76.1% 38.2% Medium Medium 0.008385793376274025 0.00841401682484616 https://leetcode.com/problems/partition-labels https://leetcode.com/problems/minimum-size-subarray-sum
260 78 763 Subsets Partition Labels 62.0% 76.1% Medium Medium 0.008278192969371254 0.008385793376274025 https://leetcode.com/problems/subsets https://leetcode.com/problems/partition-labels
261 239 78 Sliding Window Maximum Subsets 43.0% 62.0% Hard Medium 0.007898935224534491 0.008278192969371254 https://leetcode.com/problems/sliding-window-maximum https://leetcode.com/problems/subsets
262 6 239 ZigZag Conversion Sliding Window Maximum 36.3% 43.0% Medium Hard 0.0077116248757144665 0.007898935224534491 https://leetcode.com/problems/zigzag-conversion https://leetcode.com/problems/sliding-window-maximum
263 175 6 Combine Two Tables ZigZag Conversion 60.8% 36.3% Easy Medium 0.007696786120491369 0.0077116248757144665 https://leetcode.com/problems/combine-two-tables https://leetcode.com/problems/zigzag-conversion
264 876 175 Middle of the Linked List Combine Two Tables 68.4% 60.8% Easy Easy 0.007624893975696915 0.007696786120491369 https://leetcode.com/problems/middle-of-the-linked-list https://leetcode.com/problems/combine-two-tables
265 240 876 Search a 2D Matrix II Middle of the Linked List 43.2% 68.4% Medium Easy 0.0075829747244553335 0.007624893975696915 https://leetcode.com/problems/search-a-2d-matrix-ii https://leetcode.com/problems/middle-of-the-linked-list
266 66 240 Plus One Search a 2D Matrix II 43.0% 43.2% Easy Medium 0.007324847595025828 0.0075829747244553335 https://leetcode.com/problems/plus-one https://leetcode.com/problems/search-a-2d-matrix-ii
267 10 66 Regular Expression Matching Plus One 26.8% 43.0% Hard Easy 0.0071865203293987245 0.007324847595025828 https://leetcode.com/problems/regular-expression-matching https://leetcode.com/problems/plus-one
268 204 10 Count Primes Regular Expression Matching 31.5% 26.8% Easy Hard 0.007072165261362441 0.0071865203293987245 https://leetcode.com/problems/count-primes https://leetcode.com/problems/regular-expression-matching
269 110 204 Balanced Binary Tree Count Primes 43.5% 31.5% Easy Easy 0.007027435807456887 0.007072165261362441 https://leetcode.com/problems/balanced-binary-tree https://leetcode.com/problems/count-primes
270 103 110 Binary Tree Zigzag Level Order Traversal Balanced Binary Tree 48.3% 43.5% Medium Easy 0.006816368572598042 0.007027435807456887 https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal https://leetcode.com/problems/balanced-binary-tree
271 118 103 Pascal's Triangle Binary Tree Zigzag Level Order Traversal 52.5% 48.3% Easy Medium 0.006749941254175012 0.006816368572598042 https://leetcode.com/problems/pascals-triangle https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
272 98 118 Validate Binary Search Tree Pascal's Triangle 27.8% 52.5% Medium Easy 0.006611351489350257 0.006749941254175012 https://leetcode.com/problems/validate-binary-search-tree https://leetcode.com/problems/pascals-triangle
273 142 98 Linked List Cycle II Validate Binary Search Tree 37.3% 27.8% Medium Medium 0.006564934131150057 0.006611351489350257 https://leetcode.com/problems/linked-list-cycle-ii https://leetcode.com/problems/validate-binary-search-tree
274 107 142 Binary Tree Level Order Traversal II Linked List Cycle II 53.5% 37.3% Easy Medium 0.006423661079917184 0.006564934131150057 https://leetcode.com/problems/binary-tree-level-order-traversal-ii https://leetcode.com/problems/linked-list-cycle-ii
275 64 107 Minimum Path Sum Binary Tree Level Order Traversal II 54.5% 53.5% Medium Easy 0.006127470152097104 0.006423661079917184 https://leetcode.com/problems/minimum-path-sum https://leetcode.com/problems/binary-tree-level-order-traversal-ii
276 39 64 Combination Sum Minimum Path Sum 56.1% 54.5% Medium Medium 0.005715934396440999 0.006127470152097104 https://leetcode.com/problems/combination-sum https://leetcode.com/problems/minimum-path-sum
277 199 39 Binary Tree Right Side View Combination Sum 54.1% 56.1% Medium Medium 0.0056826406650506926 0.005715934396440999 https://leetcode.com/problems/binary-tree-right-side-view https://leetcode.com/problems/combination-sum
278 226 199 Invert Binary Tree Binary Tree Right Side View 65.0% 54.1% Easy Medium 0.005508138409792252 0.0056826406650506926 https://leetcode.com/problems/invert-binary-tree https://leetcode.com/problems/binary-tree-right-side-view
279 350 226 Intersection of Two Arrays II Invert Binary Tree 51.4% 65.0% Easy Easy 0.005210380421193978 0.005508138409792252 https://leetcode.com/problems/intersection-of-two-arrays-ii https://leetcode.com/problems/invert-binary-tree
280 55 350 Jump Game Intersection of Two Arrays II 34.6% 51.4% Medium Easy 0.005022612266291382 0.005210380421193978 https://leetcode.com/problems/jump-game https://leetcode.com/problems/intersection-of-two-arrays-ii
281 35 55 Search Insert Position Jump Game 42.6% 34.6% Easy Medium 0.004646848510375352 0.005022612266291382 https://leetcode.com/problems/search-insert-position https://leetcode.com/problems/jump-game
282 560 35 Subarray Sum Equals K Search Insert Position 43.9% 42.6% Medium Easy 0.004279454482267064 0.004646848510375352 https://leetcode.com/problems/subarray-sum-equals-k https://leetcode.com/problems/search-insert-position
283 217 560 Contains Duplicate Subarray Sum Equals K 56.0% 43.9% Easy Medium 0.0037979536727587773 0.004279454482267064 https://leetcode.com/problems/contains-duplicate https://leetcode.com/problems/subarray-sum-equals-k
284 203 217 Remove Linked List Elements Contains Duplicate 38.6% 56.0% Easy Easy 0.0036496390875494257 0.0037979536727587773 https://leetcode.com/problems/remove-linked-list-elements https://leetcode.com/problems/contains-duplicate
285 101 203 Symmetric Tree Remove Linked List Elements 46.8% 38.6% Easy Easy 0.0034057078469827435 0.0036496390875494257 https://leetcode.com/problems/symmetric-tree https://leetcode.com/problems/remove-linked-list-elements
286 94 101 Binary Tree Inorder Traversal Symmetric Tree 63.3% 46.8% Medium Easy 0.0033551449021403577 0.0034057078469827435 https://leetcode.com/problems/binary-tree-inorder-traversal https://leetcode.com/problems/symmetric-tree
287 260 94 Single Number III Binary Tree Inorder Traversal 64.3% 63.3% Medium Medium 0.0020288097849578786 0.0033551449021403577 https://leetcode.com/problems/single-number-iii https://leetcode.com/problems/binary-tree-inorder-traversal
288 26 260 Remove Duplicates from Sorted Array Single Number III 45.1% 64.3% Easy Medium 0.0019513153174351963 0.0020288097849578786 https://leetcode.com/problems/remove-duplicates-from-sorted-array https://leetcode.com/problems/single-number-iii
289 26 Remove Duplicates from Sorted Array 45.1% Easy 0.0019513153174351963 https://leetcode.com/problems/remove-duplicates-from-sorted-array