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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

857
facebook_1year.csv
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@@ -1,428 +1,429 @@
953,Verifying an Alien Dictionary,54.1%,Easy,3.672929743430384, https://leetcode.com/problems/verifying-an-alien-dictionary
1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,3.495670386899169, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
973,K Closest Points to Origin,63.8%,Medium,3.3184110303679546, https://leetcode.com/problems/k-closest-points-to-origin
238,Product of Array Except Self,60.1%,Medium,3.283232213950597, https://leetcode.com/problems/product-of-array-except-self
301,Remove Invalid Parentheses,43.3%,Hard,3.2812706407880663, https://leetcode.com/problems/remove-invalid-parentheses
680,Valid Palindrome II,36.6%,Easy,3.271459420826784, https://leetcode.com/problems/valid-palindrome-ii
560,Subarray Sum Equals K,43.9%,Medium,3.2328873827137383, https://leetcode.com/problems/subarray-sum-equals-k
273,Integer to English Words,27.1%,Hard,3.0556280261825237, https://leetcode.com/problems/integer-to-english-words
269,Alien Dictionary,33.3%,Hard,2.878368669651309, https://leetcode.com/problems/alien-dictionary
415,Add Strings,47.5%,Easy,2.7192844822779243, https://leetcode.com/problems/add-strings
158,Read N Characters Given Read4 II - Call multiple times,33.8%,Hard,2.5420251257467097, https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
124,Binary Tree Maximum Path Sum,34.3%,Hard,2.5244353385109877, https://leetcode.com/problems/binary-tree-maximum-path-sum
297,Serialize and Deserialize Binary Tree,47.5%,Hard,2.4916605427137495, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
199,Binary Tree Right Side View,54.1%,Medium,2.4876454517631963, https://leetcode.com/problems/binary-tree-right-side-view
438,Find All Anagrams in a String,43.3%,Medium,2.397524297872021, https://leetcode.com/problems/find-all-anagrams-in-a-string
211,Add and Search Word - Data structure design,38.1%,Medium,2.3759545223677563, https://leetcode.com/problems/add-and-search-word-data-structure-design
278,First Bad Version,35.7%,Easy,2.1986951658365417, https://leetcode.com/problems/first-bad-version
523,Continuous Subarray Sum,24.6%,Medium,2.166716009367632, https://leetcode.com/problems/continuous-subarray-sum
23,Merge k Sorted Lists,40.2%,Hard,2.1408121493810057, https://leetcode.com/problems/merge-k-sorted-lists
125,Valid Palindrome,36.7%,Easy,2.10463501498305, https://leetcode.com/problems/valid-palindrome
426,Convert Binary Search Tree to Sorted Doubly Linked List,59.1%,Medium,2.0376808407812033, https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
173,Binary Search Tree Iterator,56.6%,Medium,2.0078306132610235, https://leetcode.com/problems/binary-search-tree-iterator
67,Add Binary,45.2%,Easy,2.0006884437372294, https://leetcode.com/problems/add-binary
282,Expression Add Operators,35.5%,Hard,1.9743024644234966, https://leetcode.com/problems/expression-add-operators
340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,1.9268050203671723, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
215,Kth Largest Element in an Array,55.4%,Medium,1.9162899009936014, https://leetcode.com/problems/kth-largest-element-in-an-array
543,Diameter of Binary Tree,48.4%,Easy,1.9159403034429063, https://leetcode.com/problems/diameter-of-binary-tree
636,Exclusive Time of Functions,51.9%,Medium,1.9144673183856245, https://leetcode.com/problems/exclusive-time-of-functions
65,Valid Number,15.3%,Hard,1.8249221481329196, https://leetcode.com/problems/valid-number
986,Interval List Intersections,67.3%,Medium,1.7606773319042146, https://leetcode.com/problems/interval-list-intersections
76,Minimum Window Substring,34.6%,Hard,1.7452444146734871, https://leetcode.com/problems/minimum-window-substring
1428,Leftmost Column with at Least a One,46.8%,Medium,1.7410939458816417, https://leetcode.com/problems/leftmost-column-with-at-least-a-one
398,Random Pick Index,56.0%,Medium,1.739251464947996, https://leetcode.com/problems/random-pick-index
938,Range Sum of BST,81.3%,Easy,1.7183278125336303, https://leetcode.com/problems/range-sum-of-bst
311,Sparse Matrix Multiplication,61.9%,Medium,1.6183865180101145, https://leetcode.com/problems/sparse-matrix-multiplication
270,Closest Binary Search Tree Value,48.5%,Easy,1.586376093728572, https://leetcode.com/problems/closest-binary-search-tree-value
689,Maximum Sum of 3 Non-Overlapping Subarrays,46.3%,Hard,1.5757403799369294, https://leetcode.com/problems/maximum-sum-of-3-non-overlapping-subarrays
56,Merge Intervals,39.3%,Medium,1.5421333498120642, https://leetcode.com/problems/merge-intervals
31,Next Permutation,32.6%,Medium,1.4952605643210366, https://leetcode.com/problems/next-permutation
139,Word Break,40.1%,Medium,1.4806418655886273, https://leetcode.com/problems/word-break
987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,1.4752728801959076, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
133,Clone Graph,34.8%,Medium,1.4511392078839955, https://leetcode.com/problems/clone-graph
34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,1.4396247937745372, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
71,Simplify Path,32.6%,Medium,1.4382022207219085, https://leetcode.com/problems/simplify-path
88,Merge Sorted Array,39.4%,Easy,1.4313521714101423, https://leetcode.com/problems/merge-sorted-array
896,Monotonic Array,57.9%,Easy,1.4253001116063013, https://leetcode.com/problems/monotonic-array
785,Is Graph Bipartite?,47.5%,Medium,1.4051826456400964, https://leetcode.com/problems/is-graph-bipartite
721,Accounts Merge,48.8%,Medium,1.3810374792408489, https://leetcode.com/problems/accounts-merge
349,Intersection of Two Arrays,62.5%,Easy,1.3262693184793644, https://leetcode.com/problems/intersection-of-two-arrays
29,Divide Two Integers,16.4%,Medium,1.3132705131849702, https://leetcode.com/problems/divide-two-integers
249,Group Shifted Strings,55.1%,Medium,1.2602327507507307, https://leetcode.com/problems/group-shifted-strings
339,Nested List Weight Sum,74.0%,Easy,1.2338014599366327, https://leetcode.com/problems/nested-list-weight-sum
314,Binary Tree Vertical Order Traversal,45.3%,Medium,1.2247904974214212, https://leetcode.com/problems/binary-tree-vertical-order-traversal
1060,Missing Element in Sorted Array,54.5%,Medium,1.2015522948374056, https://leetcode.com/problems/missing-element-in-sorted-array
42,Trapping Rain Water,48.9%,Hard,1.195895799454225, https://leetcode.com/problems/trapping-rain-water
767,Reorganize String,48.7%,Medium,1.182457868492389, https://leetcode.com/problems/reorganize-string
708,Insert into a Sorted Circular Linked List,31.6%,Medium,1.172343257989845, https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
958,Check Completeness of a Binary Tree,52.1%,Medium,1.1632195643177228, https://leetcode.com/problems/check-completeness-of-a-binary-tree
1197,Minimum Knight Moves,36.1%,Medium,1.1562032194143523, https://leetcode.com/problems/minimum-knight-moves
236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,1.0938757493214366, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
528,Random Pick with Weight,43.9%,Medium,1.0906112458600137, https://leetcode.com/problems/random-pick-with-weight
253,Meeting Rooms II,45.7%,Medium,1.0814304382893596, https://leetcode.com/problems/meeting-rooms-ii
380,Insert Delete GetRandom O(1),47.5%,Medium,1.0764926440989369, https://leetcode.com/problems/insert-delete-getrandom-o1
670,Maximum Swap,43.6%,Medium,1.0650556866604306, https://leetcode.com/problems/maximum-swap
33,Search in Rotated Sorted Array,34.5%,Medium,1.0520357838367607, https://leetcode.com/problems/search-in-rotated-sorted-array
766,Toeplitz Matrix,65.1%,Easy,0.9808292530117262, https://leetcode.com/problems/toeplitz-matrix
146,LRU Cache,33.2%,Medium,0.980036431607266, https://leetcode.com/problems/lru-cache
825,Friends Of Appropriate Ages,42.7%,Medium,0.9548282098825729, https://leetcode.com/problems/friends-of-appropriate-ages
824,Goat Latin,63.4%,Easy,0.949028440149358, https://leetcode.com/problems/goat-latin
498,Diagonal Traverse,48.2%,Medium,0.9448109538225702, https://leetcode.com/problems/diagonal-traverse
304,Range Sum Query 2D - Immutable,38.6%,Medium,0.9339964539142727, https://leetcode.com/problems/range-sum-query-2d-immutable
227,Basic Calculator II,36.9%,Medium,0.9201510193402352, https://leetcode.com/problems/basic-calculator-ii
286,Walls and Gates,54.5%,Medium,0.9182875611040503, https://leetcode.com/problems/walls-and-gates
98,Validate Binary Search Tree,27.8%,Medium,0.9132791260666902, https://leetcode.com/problems/validate-binary-search-tree
138,Copy List with Random Pointer,36.4%,Medium,0.9130873453663271, https://leetcode.com/problems/copy-list-with-random-pointer
43,Multiply Strings,33.9%,Medium,0.8901363256144234, https://leetcode.com/problems/multiply-strings
616,Add Bold Tag in String,43.1%,Medium,0.8724465334959766, https://leetcode.com/problems/add-bold-tag-in-string
921,Minimum Add to Make Parentheses Valid,73.7%,Medium,0.869631484642747, https://leetcode.com/problems/minimum-add-to-make-parentheses-valid
1123,Lowest Common Ancestor of Deepest Leaves,66.8%,Medium,0.8548064280870838, https://leetcode.com/problems/lowest-common-ancestor-of-deepest-leaves
1026,Maximum Difference Between Node and Ancestor,66.0%,Medium,0.8326883967450455, https://leetcode.com/problems/maximum-difference-between-node-and-ancestor
621,Task Scheduler,50.1%,Medium,0.830630807901992, https://leetcode.com/problems/task-scheduler
200,Number of Islands,46.8%,Medium,0.8225189427311105, https://leetcode.com/problems/number-of-islands
1216,Valid Palindrome III,47.8%,Hard,0.8187244879431477, https://leetcode.com/problems/valid-palindrome-iii
863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.8044965676039516, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
109,Convert Sorted List to Binary Search Tree,47.7%,Medium,0.778490500448878, https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
317,Shortest Distance from All Buildings,41.4%,Hard,0.7748252115742125, https://leetcode.com/problems/shortest-distance-from-all-buildings
419,Battleships in a Board,70.0%,Medium,0.734450986701181, https://leetcode.com/problems/battleships-in-a-board
246,Strobogrammatic Number,45.0%,Easy,0.6935606599952345, https://leetcode.com/problems/strobogrammatic-number
247,Strobogrammatic Number II,47.6%,Medium,0.6864254931685857, https://leetcode.com/problems/strobogrammatic-number-ii
143,Reorder List,37.1%,Medium,0.6644936178538985, https://leetcode.com/problems/reorder-list
658,Find K Closest Elements,40.9%,Medium,0.6638270433029843, https://leetcode.com/problems/find-k-closest-elements
157,Read N Characters Given Read4,34.2%,Easy,0.6437780586849429, https://leetcode.com/problems/read-n-characters-given-read4
839,Similar String Groups,38.6%,Hard,0.6425949013971141, https://leetcode.com/problems/similar-string-groups
432,All O`one Data Structure,32.4%,Hard,0.6277764653542548, https://leetcode.com/problems/all-oone-data-structure
480,Sliding Window Median,37.2%,Hard,0.6193030606504982, https://leetcode.com/problems/sliding-window-median
162,Find Peak Element,43.3%,Medium,0.6111183749147795, https://leetcode.com/problems/find-peak-element
10,Regular Expression Matching,26.8%,Hard,0.5850984373117593, https://leetcode.com/problems/regular-expression-matching
463,Island Perimeter,65.7%,Easy,0.5846665375658754, https://leetcode.com/problems/island-perimeter
1004,Max Consecutive Ones III,59.1%,Medium,0.5826782301065547, https://leetcode.com/problems/max-consecutive-ones-iii
126,Word Ladder II,22.1%,Hard,0.5693600008081126, https://leetcode.com/problems/word-ladder-ii
277,Find the Celebrity,41.8%,Medium,0.5616591289700842, https://leetcode.com/problems/find-the-celebrity
452,Minimum Number of Arrows to Burst Balloons,49.6%,Medium,0.5584397574369148, https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons
22,Generate Parentheses,62.7%,Medium,0.553101106914229, https://leetcode.com/problems/generate-parentheses
494,Target Sum,46.3%,Medium,0.537605099367259, https://leetcode.com/problems/target-sum
865,Smallest Subtree with all the Deepest Nodes,60.8%,Medium,0.5360733767570822, https://leetcode.com/problems/smallest-subtree-with-all-the-deepest-nodes
647,Palindromic Substrings,60.6%,Medium,0.5122882232745292, https://leetcode.com/problems/palindromic-substrings
378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.5057807371350349, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
1094,Car Pooling,56.7%,Medium,0.5042466526679481, https://leetcode.com/problems/car-pooling
15,3Sum,26.8%,Medium,0.4923847546019265, https://leetcode.com/problems/3sum
1027,Longest Arithmetic Sequence,53.4%,Medium,0.48432368302048406, https://leetcode.com/problems/longest-arithmetic-sequence
348,Design Tic-Tac-Toe,54.3%,Medium,0.47793775692115553, https://leetcode.com/problems/design-tic-tac-toe
140,Word Break II,32.6%,Hard,0.4761853504191846, https://leetcode.com/problems/word-break-ii
93,Restore IP Addresses,35.6%,Medium,0.47237108409270245, https://leetcode.com/problems/restore-ip-addresses
772,Basic Calculator III,41.3%,Hard,0.462623521948113, https://leetcode.com/problems/basic-calculator-iii
540,Single Element in a Sorted Array,57.9%,Medium,0.46172503314573243, https://leetcode.com/problems/single-element-in-a-sorted-array
1213,Intersection of Three Sorted Arrays,78.9%,Easy,0.45778473187961194, https://leetcode.com/problems/intersection-of-three-sorted-arrays
1269,Number of Ways to Stay in the Same Place After Some Steps,43.2%,Hard,0.4557571315683002, https://leetcode.com/problems/number-of-ways-to-stay-in-the-same-place-after-some-steps
329,Longest Increasing Path in a Matrix,43.4%,Hard,0.4510648782793416, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
529,Minesweeper,59.1%,Medium,0.4410244101446512, https://leetcode.com/problems/minesweeper
91,Decode Ways,24.7%,Medium,0.43194955048493294, https://leetcode.com/problems/decode-ways
490,The Maze,51.4%,Medium,0.4296321995074925, https://leetcode.com/problems/the-maze
1,Two Sum,45.6%,Easy,0.42776342069905027, https://leetcode.com/problems/two-sum
50,Pow(x;n),30.3%,Medium,0.4274653596092084, https://leetcode.com/problems/powx-n
224,Basic Calculator,36.8%,Hard,0.42504615330727086, https://leetcode.com/problems/basic-calculator
1233,Remove Sub-Folders from the Filesystem,59.5%,Medium,0.4243747624654565, https://leetcode.com/problems/remove-sub-folders-from-the-filesystem
350,Intersection of Two Arrays II,51.4%,Easy,0.42028659580670896, https://leetcode.com/problems/intersection-of-two-arrays-ii
257,Binary Tree Paths,51.5%,Easy,0.4154891624073732, https://leetcode.com/problems/binary-tree-paths
8,String to Integer (atoi),15.4%,Medium,0.407141925712164, https://leetcode.com/problems/string-to-integer-atoi
163,Missing Ranges,24.3%,Medium,0.4067714440222198, https://leetcode.com/problems/missing-ranges
568,Maximum Vacation Days,40.8%,Hard,0.4036217896138752, https://leetcode.com/problems/maximum-vacation-days
364,Nested List Weight Sum II,62.8%,Medium,0.3968580334554196, https://leetcode.com/problems/nested-list-weight-sum-ii
791,Custom Sort String,65.7%,Medium,0.3900345348815187, https://leetcode.com/problems/custom-sort-string
939,Minimum Area Rectangle,51.8%,Medium,0.3885265923801231, https://leetcode.com/problems/minimum-area-rectangle
678,Valid Parenthesis String,31.0%,Medium,0.38202577837362234, https://leetcode.com/problems/valid-parenthesis-string
934,Shortest Bridge,48.2%,Medium,0.3715318913226816, https://leetcode.com/problems/shortest-bridge
121,Best Time to Buy and Sell Stock,50.5%,Easy,0.3695140839999301, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
114,Flatten Binary Tree to Linked List,49.3%,Medium,0.3666595336863693, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
408,Valid Word Abbreviation,30.6%,Easy,0.36101334553733055, https://leetcode.com/problems/valid-word-abbreviation
127,Word Ladder,29.6%,Medium,0.35996786713577755, https://leetcode.com/problems/word-ladder
855,Exam Room,43.1%,Medium,0.34442921752179523, https://leetcode.com/problems/exam-room
341,Flatten Nested List Iterator,52.9%,Medium,0.3426517489923298, https://leetcode.com/problems/flatten-nested-list-iterator
78,Subsets,62.0%,Medium,0.34168366615845647, https://leetcode.com/problems/subsets
963,Minimum Area Rectangle II,50.9%,Medium,0.3416302106614813, https://leetcode.com/problems/minimum-area-rectangle-ii
400,Nth Digit,31.7%,Medium,0.33647223662121295, https://leetcode.com/problems/nth-digit
3,Longest Substring Without Repeating Characters,30.4%,Medium,0.33543751206600453, https://leetcode.com/problems/longest-substring-without-repeating-characters
333,Largest BST Subtree,35.8%,Medium,0.32931497055013925, https://leetcode.com/problems/largest-bst-subtree
827,Making A Large Island,45.7%,Hard,0.32879599515977564, https://leetcode.com/problems/making-a-large-island
695,Max Area of Island,62.7%,Medium,0.32657434158263016, https://leetcode.com/problems/max-area-of-island
266,Palindrome Permutation,61.9%,Easy,0.32365154819215153, https://leetcode.com/problems/palindrome-permutation
381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.32306557634109756, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
844,Backspace String Compare,46.4%,Easy,0.32306557634109756, https://leetcode.com/problems/backspace-string-compare
692,Top K Frequent Words,51.8%,Medium,0.31457116512531025, https://leetcode.com/problems/top-k-frequent-words
549,Binary Tree Longest Consecutive Sequence II,47.0%,Medium,0.31383478526224007, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence-ii
1242,Web Crawler Multithreaded,45.9%,Medium,0.30961714931803663, https://leetcode.com/problems/web-crawler-multithreaded
207,Course Schedule,43.1%,Medium,0.3071480068014249, https://leetcode.com/problems/course-schedule
536,Construct Binary Tree from String,48.3%,Medium,0.303629619668917, https://leetcode.com/problems/construct-binary-tree-from-string
1245,Tree Diameter,60.1%,Medium,0.29849298855599654, https://leetcode.com/problems/tree-diameter
332,Reconstruct Itinerary,36.7%,Medium,0.29733066556761284, https://leetcode.com/problems/reconstruct-itinerary
936,Stamping The Sequence,42.8%,Hard,0.2972515234679316, https://leetcode.com/problems/stamping-the-sequence
161,One Edit Distance,32.3%,Medium,0.28698931177288023, https://leetcode.com/problems/one-edit-distance
875,Koko Eating Bananas,52.1%,Medium,0.28493103907989104, https://leetcode.com/problems/koko-eating-bananas
32,Longest Valid Parentheses,28.4%,Hard,0.28481756175632106, https://leetcode.com/problems/longest-valid-parentheses
1424,Diagonal Traverse II,42.4%,Medium,0.28406186115878557, https://leetcode.com/problems/diagonal-traverse-ii
166,Fraction to Recurring Decimal,21.6%,Medium,0.2819404298841057, https://leetcode.com/problems/fraction-to-recurring-decimal
548,Split Array with Equal Sum,46.4%,Medium,0.2761315220005779, https://leetcode.com/problems/split-array-with-equal-sum
92,Reverse Linked List II,38.8%,Medium,0.27542168553536034, https://leetcode.com/problems/reverse-linked-list-ii
977,Squares of a Sorted Array,72.1%,Easy,0.2744368457017603, https://leetcode.com/problems/squares-of-a-sorted-array
347,Top K Frequent Elements,61.2%,Medium,0.272004511442638, https://leetcode.com/problems/top-k-frequent-elements
609,Find Duplicate File in System,59.5%,Medium,0.25388017696233983, https://leetcode.com/problems/find-duplicate-file-in-system
111,Minimum Depth of Binary Tree,37.4%,Easy,0.24735812724870243, https://leetcode.com/problems/minimum-depth-of-binary-tree
622,Design Circular Queue,43.8%,Medium,0.2454927324105261, https://leetcode.com/problems/design-circular-queue
1032,Stream of Characters,48.3%,Hard,0.24287879543594265, https://leetcode.com/problems/stream-of-characters
240,Search a 2D Matrix II,43.2%,Medium,0.24218097481422138, https://leetcode.com/problems/search-a-2d-matrix-ii
57,Insert Interval,33.5%,Hard,0.23697938397356041, https://leetcode.com/problems/insert-interval
416,Partition Equal Subset Sum,43.7%,Medium,0.23420537108328685, https://leetcode.com/problems/partition-equal-subset-sum
742,Closest Leaf in a Binary Tree,43.6%,Medium,0.23361485118150516, https://leetcode.com/problems/closest-leaf-in-a-binary-tree
129,Sum Root to Leaf Numbers,49.1%,Medium,0.2308064240597789, https://leetcode.com/problems/sum-root-to-leaf-numbers
334,Increasing Triplet Subsequence,40.0%,Medium,0.23032129090902695, https://leetcode.com/problems/increasing-triplet-subsequence
73,Set Matrix Zeroes,43.1%,Medium,0.22588530142358976, https://leetcode.com/problems/set-matrix-zeroes
428,Serialize and Deserialize N-ary Tree,59.4%,Hard,0.22567199766756846, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
2,Add Two Numbers,33.9%,Medium,0.21782267725557036, https://leetcode.com/problems/add-two-numbers
39,Combination Sum,56.1%,Medium,0.21687574090953024, https://leetcode.com/problems/combination-sum
515,Find Largest Value in Each Tree Row,61.1%,Medium,0.21199732494007123, https://leetcode.com/problems/find-largest-value-in-each-tree-row
283,Move Zeroes,57.8%,Easy,0.21030412725932263, https://leetcode.com/problems/move-zeroes
117,Populating Next Right Pointers in Each Node II,39.1%,Medium,0.20860539286818253, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
20,Valid Parentheses,39.0%,Easy,0.20727582199587388, https://leetcode.com/problems/valid-parentheses
983,Minimum Cost For Tickets,60.5%,Medium,0.2028261131996316, https://leetcode.com/problems/minimum-cost-for-tickets
19,Remove Nth Node From End of List,35.2%,Medium,0.20099276793124013, https://leetcode.com/problems/remove-nth-node-from-end-of-list
352,Data Stream as Disjoint Intervals,47.3%,Hard,0.1980128865886302, https://leetcode.com/problems/data-stream-as-disjoint-intervals
637,Average of Levels in Binary Tree,63.1%,Easy,0.1972664368553499, https://leetcode.com/problems/average-of-levels-in-binary-tree
214,Shortest Palindrome,29.8%,Hard,0.19671029424605424, https://leetcode.com/problems/shortest-palindrome
53,Maximum Subarray,46.5%,Easy,0.19634219774637035, https://leetcode.com/problems/maximum-subarray
272,Closest Binary Search Tree Value II,50.5%,Hard,0.1920777317393193, https://leetcode.com/problems/closest-binary-search-tree-value-ii
75,Sort Colors,47.3%,Medium,0.19182745017125022, https://leetcode.com/problems/sort-colors
358,Rearrange String k Distance Apart,34.9%,Hard,0.19004360288786493, https://leetcode.com/problems/rearrange-string-k-distance-apart
5,Longest Palindromic Substring,29.5%,Medium,0.18726302339313927, https://leetcode.com/problems/longest-palindromic-substring
969,Pancake Sorting,67.5%,Medium,0.18336922582639836, https://leetcode.com/problems/pancake-sorting
1091,Shortest Path in Binary Matrix,38.2%,Medium,0.18312509239363786, https://leetcode.com/problems/shortest-path-in-binary-matrix
323,Number of Connected Components in an Undirected Graph,56.0%,Medium,0.18178978331691914, https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
759,Employee Free Time,66.3%,Hard,0.1816986978513639, https://leetcode.com/problems/employee-free-time
388,Longest Absolute File Path,41.8%,Medium,0.18128582392042256, https://leetcode.com/problems/longest-absolute-file-path
40,Combination Sum II,48.2%,Medium,0.1780616138489939, https://leetcode.com/problems/combination-sum-ii
336,Palindrome Pairs,33.7%,Hard,0.17569702187832992, https://leetcode.com/problems/palindrome-pairs
319,Bulb Switcher,45.4%,Medium,0.1734438827619372, https://leetcode.com/problems/bulb-switcher
567,Permutation in String,44.4%,Medium,0.16931057302189864, https://leetcode.com/problems/permutation-in-string
116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.16897814162027025, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
325,Maximum Size Subarray Sum Equals k,46.8%,Medium,0.16882086957505205, https://leetcode.com/problems/maximum-size-subarray-sum-equals-k
102,Binary Tree Level Order Traversal,54.6%,Medium,0.16435828678782985, https://leetcode.com/problems/binary-tree-level-order-traversal
46,Permutations,63.5%,Medium,0.16425503646428852, https://leetcode.com/problems/permutations
280,Wiggle Sort,63.8%,Medium,0.16413412381144152, https://leetcode.com/problems/wiggle-sort
242,Valid Anagram,56.9%,Easy,0.1620140669319784, https://leetcode.com/problems/valid-anagram
724,Find Pivot Index,44.0%,Easy,0.15773063591797515, https://leetcode.com/problems/find-pivot-index
676,Implement Magic Dictionary,54.5%,Medium,0.15104025741286586, https://leetcode.com/problems/implement-magic-dictionary
230,Kth Smallest Element in a BST,60.2%,Medium,0.1474770794572995, https://leetcode.com/problems/kth-smallest-element-in-a-bst
328,Odd Even Linked List,55.7%,Medium,0.14442996827561513, https://leetcode.com/problems/odd-even-linked-list
74,Search a 2D Matrix,36.5%,Medium,0.13990475142949543, https://leetcode.com/problems/search-a-2d-matrix
160,Intersection of Two Linked Lists,40.6%,Easy,0.13857026686146906, https://leetcode.com/problems/intersection-of-two-linked-lists
1209,Remove All Adjacent Duplicates in String II,56.9%,Medium,0.13712574822724946, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii
295,Find Median from Data Stream,44.3%,Hard,0.13508385924075386, https://leetcode.com/problems/find-median-from-data-stream
442,Find All Duplicates in an Array,67.8%,Medium,0.13441180353979212, https://leetcode.com/problems/find-all-duplicates-in-an-array
449,Serialize and Deserialize BST,52.0%,Medium,0.1327502812764459, https://leetcode.com/problems/serialize-and-deserialize-bst
730,Count Different Palindromic Subsequences,41.8%,Hard,0.13133600206108695, https://leetcode.com/problems/count-different-palindromic-subsequences
305,Number of Islands II,40.1%,Hard,0.1304306149462744, https://leetcode.com/problems/number-of-islands-ii
885,Spiral Matrix III,69.4%,Medium,0.1271551754852466, https://leetcode.com/problems/spiral-matrix-iii
54,Spiral Matrix,34.1%,Medium,0.12572728493821236, https://leetcode.com/problems/spiral-matrix
694,Number of Distinct Islands,56.0%,Medium,0.12516314295400602, https://leetcode.com/problems/number-of-distinct-islands
1146,Snapshot Array,37.0%,Medium,0.12154546954921416, https://leetcode.com/problems/snapshot-array
1439,Find the Kth Smallest Sum of a Matrix With Sorted Rows,59.5%,Hard,0.11918851726511835, https://leetcode.com/problems/find-the-kth-smallest-sum-of-a-matrix-with-sorted-rows
284,Peeking Iterator,45.7%,Medium,0.11901099827011974, https://leetcode.com/problems/peeking-iterator
776,Split BST,55.8%,Medium,0.11641035184441127, https://leetcode.com/problems/split-bst
435,Non-overlapping Intervals,42.9%,Medium,0.1158164666843426, https://leetcode.com/problems/non-overlapping-intervals
1275,Find Winner on a Tic Tac Toe Game,52.8%,Easy,0.11536465479210183, https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
212,Word Search II,34.9%,Hard,0.11439698130007839, https://leetcode.com/problems/word-search-ii
674,Longest Continuous Increasing Subsequence,45.9%,Easy,0.11324303587009586, https://leetcode.com/problems/longest-continuous-increasing-subsequence
503,Next Greater Element II,56.5%,Medium,0.11242734769506908, https://leetcode.com/problems/next-greater-element-ii
1047,Remove All Adjacent Duplicates In String,68.6%,Easy,0.11181352460393465, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string
1008,Construct Binary Search Tree from Preorder Traversal,78.4%,Medium,0.11004936619718413, https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal
137,Single Number II,52.4%,Medium,0.10746985577594965, https://leetcode.com/problems/single-number-ii
966,Vowel Spellchecker,47.2%,Medium,0.10676797542570607, https://leetcode.com/problems/vowel-spellchecker
405,Convert a Number to Hexadecimal,43.9%,Easy,0.10573219378884732, https://leetcode.com/problems/convert-a-number-to-hexadecimal
547,Friend Circles,58.6%,Medium,0.10502210097355241, https://leetcode.com/problems/friend-circles
773,Sliding Puzzle,59.3%,Hard,0.10294796925244239, https://leetcode.com/problems/sliding-puzzle
1411,Number of Ways to Paint N × 3 Grid,61.1%,Hard,0.10135249426028749, https://leetcode.com/problems/number-of-ways-to-paint-n-3-grid
223,Rectangle Area,37.8%,Medium,0.10064352577968744, https://leetcode.com/problems/rectangle-area
387,First Unique Character in a String,53.4%,Easy,0.09971390202061521, https://leetcode.com/problems/first-unique-character-in-a-string
136,Single Number,65.5%,Easy,0.09844680818822771, https://leetcode.com/problems/single-number
1053,Previous Permutation With One Swap,48.5%,Medium,0.09835932019884275, https://leetcode.com/problems/previous-permutation-with-one-swap
489,Robot Room Cleaner,69.7%,Hard,0.09769150308111128, https://leetcode.com/problems/robot-room-cleaner
394,Decode String,50.0%,Medium,0.09572009987565212, https://leetcode.com/problems/decode-string
642,Design Search Autocomplete System,44.7%,Hard,0.09500811062818718, https://leetcode.com/problems/design-search-autocomplete-system
239,Sliding Window Maximum,43.0%,Hard,0.09271146326206103, https://leetcode.com/problems/sliding-window-maximum
1062,Longest Repeating Substring,57.2%,Medium,0.09201889872025212, https://leetcode.com/problems/longest-repeating-substring
21,Merge Two Sorted Lists,53.5%,Easy,0.09110919511165776, https://leetcode.com/problems/merge-two-sorted-lists
49,Group Anagrams,56.9%,Medium,0.09101320494254857, https://leetcode.com/problems/group-anagrams
1077,Project Employees III,75.6%,Medium,0.0907652093142671, https://leetcode.com/problems/project-employees-iii
1132,Reported Posts II,34.4%,Medium,0.0903548750399561, https://leetcode.com/problems/reported-posts-ii
62,Unique Paths,54.1%,Medium,0.08965185882136445, https://leetcode.com/problems/unique-paths
995,Minimum Number of K Consecutive Bit Flips,46.8%,Hard,0.08894748601649616, https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips
16,3Sum Closest,46.0%,Medium,0.08850538159227012, https://leetcode.com/problems/3sum-closest
25,Reverse Nodes in k-Group,42.1%,Hard,0.08835766048944313, https://leetcode.com/problems/reverse-nodes-in-k-group
788,Rotated Digits,57.1%,Easy,0.08743429938967429, https://leetcode.com/problems/rotated-digits
1113,Reported Posts,64.1%,Easy,0.08552217343816201, https://leetcode.com/problems/reported-posts
614,Second Degree Follower,30.3%,Medium,0.08479653666007693, https://leetcode.com/problems/second-degree-follower
345,Reverse Vowels of a String,44.2%,Easy,0.08413974844494757, https://leetcode.com/problems/reverse-vowels-of-a-string
443,String Compression,41.3%,Easy,0.08391368024915737, https://leetcode.com/problems/string-compression
550,Game Play Analysis IV,45.3%,Medium,0.08286311601350513, https://leetcode.com/problems/game-play-analysis-iv
44,Wildcard Matching,24.7%,Hard,0.08271909217936915, https://leetcode.com/problems/wildcard-matching
13,Roman to Integer,55.7%,Easy,0.08237818622149326, https://leetcode.com/problems/roman-to-integer
962,Maximum Width Ramp,45.4%,Medium,0.08184524810424337, https://leetcode.com/problems/maximum-width-ramp
884,Uncommon Words from Two Sentences,63.3%,Easy,0.07990051073053109, https://leetcode.com/problems/uncommon-words-from-two-sentences
208,Implement Trie (Prefix Tree),49.4%,Medium,0.07910997849332738, https://leetcode.com/problems/implement-trie-prefix-tree
128,Longest Consecutive Sequence,45.1%,Hard,0.0786603197723907, https://leetcode.com/problems/longest-consecutive-sequence
1254,Number of Closed Islands,60.5%,Medium,0.07796154146971186, https://leetcode.com/problems/number-of-closed-islands
1055,Shortest Way to Form String,56.9%,Medium,0.07681317776161672, https://leetcode.com/problems/shortest-way-to-form-string
778,Swim in Rising Water,53.1%,Hard,0.07651914983419623, https://leetcode.com/problems/swim-in-rising-water
852,Peak Index in a Mountain Array,71.6%,Easy,0.07637297878457401, https://leetcode.com/problems/peak-index-in-a-mountain-array
4,Median of Two Sorted Arrays,29.6%,Hard,0.07615745318145342, https://leetcode.com/problems/median-of-two-sorted-arrays
468,Validate IP Address,24.1%,Medium,0.07598590697792203, https://leetcode.com/problems/validate-ip-address
505,The Maze II,47.7%,Medium,0.07133147800542972, https://leetcode.com/problems/the-maze-ii
1057,Campus Bikes,57.7%,Medium,0.07107786641655695, https://leetcode.com/problems/campus-bikes
81,Search in Rotated Sorted Array II,33.0%,Medium,0.07091146875905202, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
346,Moving Average from Data Stream,70.9%,Easy,0.06887402901251127, https://leetcode.com/problems/moving-average-from-data-stream
723,Candy Crush,69.2%,Medium,0.06828590786613152, https://leetcode.com/problems/candy-crush
168,Excel Sheet Column Title,31.1%,Easy,0.0676504718923617, https://leetcode.com/problems/excel-sheet-column-title
105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.06685522312111739, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
178,Rank Scores,45.8%,Medium,0.06551667145414991, https://leetcode.com/problems/rank-scores
298,Binary Tree Longest Consecutive Sequence,47.1%,Medium,0.065169635074581, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence
1108,Defanging an IP Address,87.5%,Easy,0.06413595621854226, https://leetcode.com/problems/defanging-an-ip-address
414,Third Maximum Number,30.5%,Easy,0.06304078374301514, https://leetcode.com/problems/third-maximum-number
11,Container With Most Water,50.8%,Medium,0.060358007567261264, https://leetcode.com/problems/container-with-most-water
55,Jump Game,34.6%,Medium,0.059854228581496645, https://leetcode.com/problems/jump-game
491,Increasing Subsequences,46.1%,Medium,0.058581901624802396, https://leetcode.com/problems/increasing-subsequences
1305,All Elements in Two Binary Search Trees,76.1%,Medium,0.05819353408024827, https://leetcode.com/problems/all-elements-in-two-binary-search-trees
373,Find K Pairs with Smallest Sums,36.7%,Medium,0.058155920157074034, https://leetcode.com/problems/find-k-pairs-with-smallest-sums
417,Pacific Atlantic Water Flow,41.1%,Medium,0.057523844138186606, https://leetcode.com/problems/pacific-atlantic-water-flow
312,Burst Balloons,51.8%,Hard,0.056547726798068784, https://leetcode.com/problems/burst-balloons
218,The Skyline Problem,34.6%,Hard,0.0564413109049518, https://leetcode.com/problems/the-skyline-problem
41,First Missing Positive,32.0%,Hard,0.056273635982108605, https://leetcode.com/problems/first-missing-positive
24,Swap Nodes in Pairs,50.4%,Medium,0.05465011300438079, https://leetcode.com/problems/swap-nodes-in-pairs
395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.05371219359052555, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
679,24 Game,46.4%,Hard,0.05341723749698583, https://leetcode.com/problems/24-game
597,Friend Requests I: Overall Acceptance Rate,41.0%,Easy,0.053062844975211534, https://leetcode.com/problems/friend-requests-i-overall-acceptance-rate
17,Letter Combinations of a Phone Number,46.8%,Medium,0.052632421620123555, https://leetcode.com/problems/letter-combinations-of-a-phone-number
122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.05236798551731598, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
496,Next Greater Element I,63.8%,Easy,0.05179150912840488, https://leetcode.com/problems/next-greater-element-i
209,Minimum Size Subarray Sum,38.2%,Medium,0.05146227039335983, https://leetcode.com/problems/minimum-size-subarray-sum
681,Next Closest Time,45.0%,Medium,0.05045206096038863, https://leetcode.com/problems/next-closest-time
285,Inorder Successor in BST,40.4%,Medium,0.049569618859417214, https://leetcode.com/problems/inorder-successor-in-bst
79,Word Search,35.6%,Medium,0.04917091711296865, https://leetcode.com/problems/word-search
593,Valid Square,43.1%,Medium,0.048671406375812236, https://leetcode.com/problems/valid-square
1019,Next Greater Node In Linked List,57.4%,Medium,0.04795804429616222, https://leetcode.com/problems/next-greater-node-in-linked-list
26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0476757427679509, https://leetcode.com/problems/remove-duplicates-from-sorted-array
698,Partition to K Equal Sum Subsets,45.0%,Medium,0.04685917114094188, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
556,Next Greater Element III,31.7%,Medium,0.04679216150675895, https://leetcode.com/problems/next-greater-element-iii
191,Number of 1 Bits,49.8%,Easy,0.045812334709758235, https://leetcode.com/problems/number-of-1-bits
48,Rotate Image,56.7%,Medium,0.04495138786226632, https://leetcode.com/problems/rotate-image
935,Knight Dialer,45.2%,Medium,0.04445176257083384, https://leetcode.com/problems/knight-dialer
148,Sort List,42.3%,Medium,0.04408427313201935, https://leetcode.com/problems/sort-list
1498,Number of Subsequences That Satisfy the Given Sum Condition,36.7%,Medium,0.04334372921647208, https://leetcode.com/problems/number-of-subsequences-that-satisfy-the-given-sum-condition
399,Evaluate Division,51.6%,Medium,0.043089480538103624, https://leetcode.com/problems/evaluate-division
338,Counting Bits,69.5%,Medium,0.0428445715346785, https://leetcode.com/problems/counting-bits
716,Max Stack,42.6%,Easy,0.042695919196489414, https://leetcode.com/problems/max-stack
611,Valid Triangle Number,48.4%,Medium,0.04255961441879593, https://leetcode.com/problems/valid-triangle-number
669,Trim a Binary Search Tree,63.0%,Easy,0.04255961441879593, https://leetcode.com/problems/trim-a-binary-search-tree
430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,0.04154283751370906, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
1219,Path with Maximum Gold,65.1%,Medium,0.04111576039097048, https://leetcode.com/problems/path-with-maximum-gold
37,Sudoku Solver,43.6%,Hard,0.040527833612118376, https://leetcode.com/problems/sudoku-solver
918,Maximum Sum Circular Subarray,33.7%,Medium,0.04045040846284272, https://leetcode.com/problems/maximum-sum-circular-subarray
14,Longest Common Prefix,35.4%,Easy,0.039933598017406854, https://leetcode.com/problems/longest-common-prefix
686,Repeated String Match,32.3%,Easy,0.03984590854719967, https://leetcode.com/problems/repeated-string-match
406,Queue Reconstruction by Height,66.9%,Medium,0.03949613834265583, https://leetcode.com/problems/queue-reconstruction-by-height
210,Course Schedule II,40.7%,Medium,0.03795788828372613, https://leetcode.com/problems/course-schedule-ii
1031,Maximum Sum of Two Non-Overlapping Subarrays,57.9%,Medium,0.03711000965123125, https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays
206,Reverse Linked List,62.5%,Easy,0.03679633286058156, https://leetcode.com/problems/reverse-linked-list
887,Super Egg Drop,27.1%,Hard,0.03660060864484636, https://leetcode.com/problems/super-egg-drop
28,Implement strStr(),34.5%,Easy,0.03494144277828229, https://leetcode.com/problems/implement-strstr
152,Maximum Product Subarray,31.7%,Medium,0.034438665054543384, https://leetcode.com/problems/maximum-product-subarray
886,Possible Bipartition,44.2%,Medium,0.034103901828857086, https://leetcode.com/problems/possible-bipartition
1360,Number of Days Between Two Dates,48.8%,Easy,0.03401688527825427, https://leetcode.com/problems/number-of-days-between-two-dates
384,Shuffle an Array,52.8%,Medium,0.03399118781703353, https://leetcode.com/problems/shuffle-an-array
516,Longest Palindromic Subsequence,53.2%,Medium,0.0332870969222259, https://leetcode.com/problems/longest-palindromic-subsequence
1287,Element Appearing More Than 25% In Sorted Array,60.2%,Easy,0.033033556829153404, https://leetcode.com/problems/element-appearing-more-than-25-in-sorted-array
235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.032470385030784074, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
300,Longest Increasing Subsequence,42.6%,Medium,0.03245773693742074, https://leetcode.com/problems/longest-increasing-subsequence
228,Summary Ranges,39.5%,Medium,0.03157326191609021, https://leetcode.com/problems/summary-ranges
150,Evaluate Reverse Polish Notation,36.3%,Medium,0.031526253646773944, https://leetcode.com/problems/evaluate-reverse-polish-notation
703,Kth Largest Element in a Stream,49.7%,Easy,0.031004894819414507, https://leetcode.com/problems/kth-largest-element-in-a-stream
303,Range Sum Query - Immutable,44.7%,Easy,0.029549096691749193, https://leetcode.com/problems/range-sum-query-immutable
7,Reverse Integer,25.8%,Easy,0.029372034825448746, https://leetcode.com/problems/reverse-integer
176,Second Highest Salary,31.6%,Easy,0.029252542837437355, https://leetcode.com/problems/second-highest-salary
324,Wiggle Sort II,29.9%,Medium,0.02898753687325229, https://leetcode.com/problems/wiggle-sort-ii
509,Fibonacci Number,67.2%,Easy,0.028156003871381816, https://leetcode.com/problems/fibonacci-number
472,Concatenated Words,43.7%,Hard,0.027664281472355556, https://leetcode.com/problems/concatenated-words
159,Longest Substring with At Most Two Distinct Characters,49.4%,Medium,0.02717558537896476, https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters
437,Path Sum III,47.2%,Medium,0.02708561605844235, https://leetcode.com/problems/path-sum-iii
1379,Find a Corresponding Node of a Binary Tree in a Clone of That Tree,83.8%,Medium,0.02645656953683045, https://leetcode.com/problems/find-a-corresponding-node-of-a-binary-tree-in-a-clone-of-that-tree
979,Distribute Coins in Binary Tree,68.9%,Medium,0.026196651946570663, https://leetcode.com/problems/distribute-coins-in-binary-tree
403,Frog Jump,39.7%,Hard,0.0259249775263148, https://leetcode.com/problems/frog-jump
410,Split Array Largest Sum,44.5%,Hard,0.025807883955872597, https://leetcode.com/problems/split-array-largest-sum
90,Subsets II,47.1%,Medium,0.025497131933483772, https://leetcode.com/problems/subsets-ii
189,Rotate Array,34.7%,Easy,0.024924029676386045, https://leetcode.com/problems/rotate-array
30,Substring with Concatenation of All Words,25.4%,Hard,0.02486144206532915, https://leetcode.com/problems/substring-with-concatenation-of-all-words
662,Maximum Width of Binary Tree,41.0%,Medium,0.024116924478312346, https://leetcode.com/problems/maximum-width-of-binary-tree
307,Range Sum Query - Mutable,34.6%,Medium,0.02223549085228711, https://leetcode.com/problems/range-sum-query-mutable
221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.022033389270751453, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
112,Path Sum,41.2%,Easy,0.021701651897460775, https://leetcode.com/problems/path-sum
1137,N-th Tribonacci Number,55.9%,Easy,0.02072613051711693, https://leetcode.com/problems/n-th-tribonacci-number
60,Permutation Sequence,38.4%,Hard,0.020471543980187256, https://leetcode.com/problems/permutation-sequence
392,Is Subsequence,49.2%,Easy,0.02033508842008217, https://leetcode.com/problems/is-subsequence
525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
229,Majority Element II,35.6%,Medium,0.019057270410286146, https://leetcode.com/problems/majority-element-ii
787,Cheapest Flights Within K Stops,39.3%,Medium,0.018824085245635554, https://leetcode.com/problems/cheapest-flights-within-k-stops
450,Delete Node in a BST,43.1%,Medium,0.018536211907915243, https://leetcode.com/problems/delete-node-in-a-bst
70,Climbing Stairs,47.8%,Easy,0.018323749536870576, https://leetcode.com/problems/climbing-stairs
706,Design HashMap,61.3%,Easy,0.01752893260576219, https://leetcode.com/problems/design-hashmap
993,Cousins in Binary Tree,52.0%,Easy,0.017414458368636587, https://leetcode.com/problems/cousins-in-binary-tree
1266,Minimum Time Visiting All Points,79.6%,Easy,0.017354014693151613, https://leetcode.com/problems/minimum-time-visiting-all-points
289,Game of Life,54.5%,Medium,0.0173239499317743, https://leetcode.com/problems/game-of-life
95,Unique Binary Search Trees II,40.6%,Medium,0.016856699181010838, https://leetcode.com/problems/unique-binary-search-trees-ii
145,Binary Tree Postorder Traversal,55.0%,Hard,0.01682911820009702, https://leetcode.com/problems/binary-tree-postorder-traversal
997,Find the Town Judge,50.1%,Easy,0.01677891712910938, https://leetcode.com/problems/find-the-town-judge
51,N-Queens,46.6%,Hard,0.016393809775676407, https://leetcode.com/problems/n-queens
1304,Find N Unique Integers Sum up to Zero,76.3%,Easy,0.015892269319508656, https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.014939586916186732, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
203,Remove Linked List Elements,38.6%,Easy,0.014519311324453305, https://leetcode.com/problems/remove-linked-list-elements
653,Two Sum IV - Input is a BST,55.5%,Easy,0.014224990931347289, https://leetcode.com/problems/two-sum-iv-input-is-a-bst
179,Largest Number,28.8%,Medium,0.013865040137171665, https://leetcode.com/problems/largest-number
64,Minimum Path Sum,54.5%,Medium,0.013734383449598314, https://leetcode.com/problems/minimum-path-sum
101,Symmetric Tree,46.8%,Easy,0.013553786479814183, https://leetcode.com/problems/symmetric-tree
344,Reverse String,68.5%,Easy,0.013014662307854044, https://leetcode.com/problems/reverse-string
77,Combinations,54.7%,Medium,0.01255115315451512, https://leetcode.com/problems/combinations
287,Find the Duplicate Number,55.5%,Medium,0.012335682739188652, https://leetcode.com/problems/find-the-duplicate-number
445,Add Two Numbers II,54.5%,Medium,0.01233061245747872, https://leetcode.com/problems/add-two-numbers-ii
172,Factorial Trailing Zeroes,37.8%,Easy,0.012326812480658571, https://leetcode.com/problems/factorial-trailing-zeroes
205,Isomorphic Strings,39.8%,Easy,0.011544139746865315, https://leetcode.com/problems/isomorphic-strings
733,Flood Fill,55.3%,Easy,0.011217167530924988, https://leetcode.com/problems/flood-fill
171,Excel Sheet Column Number,55.9%,Easy,0.011195191092491645, https://leetcode.com/problems/excel-sheet-column-number
104,Maximum Depth of Binary Tree,66.0%,Easy,0.011105055822701604, https://leetcode.com/problems/maximum-depth-of-binary-tree
103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.01063025572799205, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
234,Palindrome Linked List,39.3%,Easy,0.010171877938733932, https://leetcode.com/problems/palindrome-linked-list
72,Edit Distance,44.8%,Hard,0.010017614452317782, https://leetcode.com/problems/edit-distance
61,Rotate List,30.0%,Medium,0.009925639799969955, https://leetcode.com/problems/rotate-list
113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
905,Sort Array By Parity,74.1%,Easy,0.009603915354180344, https://leetcode.com/problems/sort-array-by-parity
151,Reverse Words in a String,21.9%,Medium,0.009570916441992467, https://leetcode.com/problems/reverse-words-in-a-string
96,Unique Binary Search Trees,52.9%,Medium,0.009242209964820877, https://leetcode.com/problems/unique-binary-search-trees
1143,Longest Common Subsequence,58.4%,Medium,0.008835931134362285, https://leetcode.com/problems/longest-common-subsequence
63,Unique Paths II,34.6%,Medium,0.008712753874961187, https://leetcode.com/problems/unique-paths-ii
763,Partition Labels,76.1%,Medium,0.008385793376274025, https://leetcode.com/problems/partition-labels
84,Largest Rectangle in Histogram,35.2%,Hard,0.00833685528906183, https://leetcode.com/problems/largest-rectangle-in-histogram
38,Count and Say,44.6%,Easy,0.007829360800435779, https://leetcode.com/problems/count-and-say
6,ZigZag Conversion,36.3%,Medium,0.0077116248757144665, https://leetcode.com/problems/zigzag-conversion
66,Plus One,43.0%,Easy,0.007324847595025828, https://leetcode.com/problems/plus-one
36,Valid Sudoku,48.7%,Medium,0.007258242715805398, https://leetcode.com/problems/valid-sudoku
204,Count Primes,31.5%,Easy,0.007072165261362441, https://leetcode.com/problems/count-primes
118,Pascal's Triangle,52.5%,Easy,0.006749941254175012, https://leetcode.com/problems/pascals-triangle
83,Remove Duplicates from Sorted List,45.4%,Easy,0.006353261522609498, https://leetcode.com/problems/remove-duplicates-from-sorted-list
1528,Shuffle String,86.1%,Easy,0.006295047716793515, https://leetcode.com/problems/shuffle-string
237,Delete Node in a Linked List,63.8%,Easy,0.005144705881237697, https://leetcode.com/problems/delete-node-in-a-linked-list
268,Missing Number,51.7%,Easy,0.0048804391649084865, https://leetcode.com/problems/missing-number
154,Find Minimum in Rotated Sorted Array II,41.6%,Hard,0.004780123824719199, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
155,Min Stack,44.5%,Easy,0.00474891074128171, https://leetcode.com/problems/min-stack
141,Linked List Cycle,41.1%,Easy,0.0034937584669245472, https://leetcode.com/problems/linked-list-cycle
94,Binary Tree Inorder Traversal,63.3%,Medium,0.0033551449021403577, https://leetcode.com/problems/binary-tree-inorder-traversal
309,Best Time to Buy and Sell Stock with Cooldown,47.4%,Medium,0.0028498166907604426, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown
260,Single Number III,64.3%,Medium,0.0020288097849578786, https://leetcode.com/problems/single-number-iii
100,Same Tree,53.4%,Easy,0.0014080047382258295, https://leetcode.com/problems/same-tree
ID,Title,Acceptance,Difficulty,Frequency,Leetcode Question Link
953,Verifying an Alien Dictionary,54.1%,Easy,3.672929743430384, https://leetcode.com/problems/verifying-an-alien-dictionary
1249,Minimum Remove to Make Valid Parentheses,62.5%,Medium,3.495670386899169, https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
973,K Closest Points to Origin,63.8%,Medium,3.3184110303679546, https://leetcode.com/problems/k-closest-points-to-origin
238,Product of Array Except Self,60.1%,Medium,3.283232213950597, https://leetcode.com/problems/product-of-array-except-self
301,Remove Invalid Parentheses,43.3%,Hard,3.2812706407880663, https://leetcode.com/problems/remove-invalid-parentheses
680,Valid Palindrome II,36.6%,Easy,3.271459420826784, https://leetcode.com/problems/valid-palindrome-ii
560,Subarray Sum Equals K,43.9%,Medium,3.2328873827137383, https://leetcode.com/problems/subarray-sum-equals-k
273,Integer to English Words,27.1%,Hard,3.0556280261825237, https://leetcode.com/problems/integer-to-english-words
269,Alien Dictionary,33.3%,Hard,2.878368669651309, https://leetcode.com/problems/alien-dictionary
415,Add Strings,47.5%,Easy,2.7192844822779243, https://leetcode.com/problems/add-strings
158,Read N Characters Given Read4 II - Call multiple times,33.8%,Hard,2.5420251257467097, https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
124,Binary Tree Maximum Path Sum,34.3%,Hard,2.5244353385109877, https://leetcode.com/problems/binary-tree-maximum-path-sum
297,Serialize and Deserialize Binary Tree,47.5%,Hard,2.4916605427137495, https://leetcode.com/problems/serialize-and-deserialize-binary-tree
199,Binary Tree Right Side View,54.1%,Medium,2.4876454517631963, https://leetcode.com/problems/binary-tree-right-side-view
438,Find All Anagrams in a String,43.3%,Medium,2.397524297872021, https://leetcode.com/problems/find-all-anagrams-in-a-string
211,Add and Search Word - Data structure design,38.1%,Medium,2.3759545223677563, https://leetcode.com/problems/add-and-search-word-data-structure-design
278,First Bad Version,35.7%,Easy,2.1986951658365417, https://leetcode.com/problems/first-bad-version
523,Continuous Subarray Sum,24.6%,Medium,2.166716009367632, https://leetcode.com/problems/continuous-subarray-sum
23,Merge k Sorted Lists,40.2%,Hard,2.1408121493810057, https://leetcode.com/problems/merge-k-sorted-lists
125,Valid Palindrome,36.7%,Easy,2.10463501498305, https://leetcode.com/problems/valid-palindrome
426,Convert Binary Search Tree to Sorted Doubly Linked List,59.1%,Medium,2.0376808407812033, https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
173,Binary Search Tree Iterator,56.6%,Medium,2.0078306132610235, https://leetcode.com/problems/binary-search-tree-iterator
67,Add Binary,45.2%,Easy,2.0006884437372294, https://leetcode.com/problems/add-binary
282,Expression Add Operators,35.5%,Hard,1.9743024644234966, https://leetcode.com/problems/expression-add-operators
340,Longest Substring with At Most K Distinct Characters,44.1%,Hard,1.9268050203671723, https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
215,Kth Largest Element in an Array,55.4%,Medium,1.9162899009936014, https://leetcode.com/problems/kth-largest-element-in-an-array
543,Diameter of Binary Tree,48.4%,Easy,1.9159403034429063, https://leetcode.com/problems/diameter-of-binary-tree
636,Exclusive Time of Functions,51.9%,Medium,1.9144673183856245, https://leetcode.com/problems/exclusive-time-of-functions
65,Valid Number,15.3%,Hard,1.8249221481329196, https://leetcode.com/problems/valid-number
986,Interval List Intersections,67.3%,Medium,1.7606773319042146, https://leetcode.com/problems/interval-list-intersections
76,Minimum Window Substring,34.6%,Hard,1.7452444146734871, https://leetcode.com/problems/minimum-window-substring
1428,Leftmost Column with at Least a One,46.8%,Medium,1.7410939458816417, https://leetcode.com/problems/leftmost-column-with-at-least-a-one
398,Random Pick Index,56.0%,Medium,1.739251464947996, https://leetcode.com/problems/random-pick-index
938,Range Sum of BST,81.3%,Easy,1.7183278125336303, https://leetcode.com/problems/range-sum-of-bst
311,Sparse Matrix Multiplication,61.9%,Medium,1.6183865180101145, https://leetcode.com/problems/sparse-matrix-multiplication
270,Closest Binary Search Tree Value,48.5%,Easy,1.586376093728572, https://leetcode.com/problems/closest-binary-search-tree-value
689,Maximum Sum of 3 Non-Overlapping Subarrays,46.3%,Hard,1.5757403799369294, https://leetcode.com/problems/maximum-sum-of-3-non-overlapping-subarrays
56,Merge Intervals,39.3%,Medium,1.5421333498120642, https://leetcode.com/problems/merge-intervals
31,Next Permutation,32.6%,Medium,1.4952605643210366, https://leetcode.com/problems/next-permutation
139,Word Break,40.1%,Medium,1.4806418655886273, https://leetcode.com/problems/word-break
987,Vertical Order Traversal of a Binary Tree,36.6%,Medium,1.4752728801959076, https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
133,Clone Graph,34.8%,Medium,1.4511392078839955, https://leetcode.com/problems/clone-graph
34,Find First and Last Position of Element in Sorted Array,36.2%,Medium,1.4396247937745372, https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
71,Simplify Path,32.6%,Medium,1.4382022207219085, https://leetcode.com/problems/simplify-path
88,Merge Sorted Array,39.4%,Easy,1.4313521714101423, https://leetcode.com/problems/merge-sorted-array
896,Monotonic Array,57.9%,Easy,1.4253001116063013, https://leetcode.com/problems/monotonic-array
785,Is Graph Bipartite?,47.5%,Medium,1.4051826456400964, https://leetcode.com/problems/is-graph-bipartite
721,Accounts Merge,48.8%,Medium,1.3810374792408489, https://leetcode.com/problems/accounts-merge
349,Intersection of Two Arrays,62.5%,Easy,1.3262693184793644, https://leetcode.com/problems/intersection-of-two-arrays
29,Divide Two Integers,16.4%,Medium,1.3132705131849702, https://leetcode.com/problems/divide-two-integers
249,Group Shifted Strings,55.1%,Medium,1.2602327507507307, https://leetcode.com/problems/group-shifted-strings
339,Nested List Weight Sum,74.0%,Easy,1.2338014599366327, https://leetcode.com/problems/nested-list-weight-sum
314,Binary Tree Vertical Order Traversal,45.3%,Medium,1.2247904974214212, https://leetcode.com/problems/binary-tree-vertical-order-traversal
1060,Missing Element in Sorted Array,54.5%,Medium,1.2015522948374056, https://leetcode.com/problems/missing-element-in-sorted-array
42,Trapping Rain Water,48.9%,Hard,1.195895799454225, https://leetcode.com/problems/trapping-rain-water
767,Reorganize String,48.7%,Medium,1.182457868492389, https://leetcode.com/problems/reorganize-string
708,Insert into a Sorted Circular Linked List,31.6%,Medium,1.172343257989845, https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
958,Check Completeness of a Binary Tree,52.1%,Medium,1.1632195643177228, https://leetcode.com/problems/check-completeness-of-a-binary-tree
1197,Minimum Knight Moves,36.1%,Medium,1.1562032194143523, https://leetcode.com/problems/minimum-knight-moves
236,Lowest Common Ancestor of a Binary Tree,45.7%,Medium,1.0938757493214366, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
528,Random Pick with Weight,43.9%,Medium,1.0906112458600137, https://leetcode.com/problems/random-pick-with-weight
253,Meeting Rooms II,45.7%,Medium,1.0814304382893596, https://leetcode.com/problems/meeting-rooms-ii
380,Insert Delete GetRandom O(1),47.5%,Medium,1.0764926440989369, https://leetcode.com/problems/insert-delete-getrandom-o1
670,Maximum Swap,43.6%,Medium,1.0650556866604306, https://leetcode.com/problems/maximum-swap
33,Search in Rotated Sorted Array,34.5%,Medium,1.0520357838367607, https://leetcode.com/problems/search-in-rotated-sorted-array
766,Toeplitz Matrix,65.1%,Easy,0.9808292530117262, https://leetcode.com/problems/toeplitz-matrix
146,LRU Cache,33.2%,Medium,0.980036431607266, https://leetcode.com/problems/lru-cache
825,Friends Of Appropriate Ages,42.7%,Medium,0.9548282098825729, https://leetcode.com/problems/friends-of-appropriate-ages
824,Goat Latin,63.4%,Easy,0.949028440149358, https://leetcode.com/problems/goat-latin
498,Diagonal Traverse,48.2%,Medium,0.9448109538225702, https://leetcode.com/problems/diagonal-traverse
304,Range Sum Query 2D - Immutable,38.6%,Medium,0.9339964539142727, https://leetcode.com/problems/range-sum-query-2d-immutable
227,Basic Calculator II,36.9%,Medium,0.9201510193402352, https://leetcode.com/problems/basic-calculator-ii
286,Walls and Gates,54.5%,Medium,0.9182875611040503, https://leetcode.com/problems/walls-and-gates
98,Validate Binary Search Tree,27.8%,Medium,0.9132791260666902, https://leetcode.com/problems/validate-binary-search-tree
138,Copy List with Random Pointer,36.4%,Medium,0.9130873453663271, https://leetcode.com/problems/copy-list-with-random-pointer
43,Multiply Strings,33.9%,Medium,0.8901363256144234, https://leetcode.com/problems/multiply-strings
616,Add Bold Tag in String,43.1%,Medium,0.8724465334959766, https://leetcode.com/problems/add-bold-tag-in-string
921,Minimum Add to Make Parentheses Valid,73.7%,Medium,0.869631484642747, https://leetcode.com/problems/minimum-add-to-make-parentheses-valid
1123,Lowest Common Ancestor of Deepest Leaves,66.8%,Medium,0.8548064280870838, https://leetcode.com/problems/lowest-common-ancestor-of-deepest-leaves
1026,Maximum Difference Between Node and Ancestor,66.0%,Medium,0.8326883967450455, https://leetcode.com/problems/maximum-difference-between-node-and-ancestor
621,Task Scheduler,50.1%,Medium,0.830630807901992, https://leetcode.com/problems/task-scheduler
200,Number of Islands,46.8%,Medium,0.8225189427311105, https://leetcode.com/problems/number-of-islands
1216,Valid Palindrome III,47.8%,Hard,0.8187244879431477, https://leetcode.com/problems/valid-palindrome-iii
863,All Nodes Distance K in Binary Tree,55.4%,Medium,0.8044965676039516, https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
109,Convert Sorted List to Binary Search Tree,47.7%,Medium,0.778490500448878, https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
317,Shortest Distance from All Buildings,41.4%,Hard,0.7748252115742125, https://leetcode.com/problems/shortest-distance-from-all-buildings
419,Battleships in a Board,70.0%,Medium,0.734450986701181, https://leetcode.com/problems/battleships-in-a-board
246,Strobogrammatic Number,45.0%,Easy,0.6935606599952345, https://leetcode.com/problems/strobogrammatic-number
247,Strobogrammatic Number II,47.6%,Medium,0.6864254931685857, https://leetcode.com/problems/strobogrammatic-number-ii
143,Reorder List,37.1%,Medium,0.6644936178538985, https://leetcode.com/problems/reorder-list
658,Find K Closest Elements,40.9%,Medium,0.6638270433029843, https://leetcode.com/problems/find-k-closest-elements
157,Read N Characters Given Read4,34.2%,Easy,0.6437780586849429, https://leetcode.com/problems/read-n-characters-given-read4
839,Similar String Groups,38.6%,Hard,0.6425949013971141, https://leetcode.com/problems/similar-string-groups
432,All O`one Data Structure,32.4%,Hard,0.6277764653542548, https://leetcode.com/problems/all-oone-data-structure
480,Sliding Window Median,37.2%,Hard,0.6193030606504982, https://leetcode.com/problems/sliding-window-median
162,Find Peak Element,43.3%,Medium,0.6111183749147795, https://leetcode.com/problems/find-peak-element
10,Regular Expression Matching,26.8%,Hard,0.5850984373117593, https://leetcode.com/problems/regular-expression-matching
463,Island Perimeter,65.7%,Easy,0.5846665375658754, https://leetcode.com/problems/island-perimeter
1004,Max Consecutive Ones III,59.1%,Medium,0.5826782301065547, https://leetcode.com/problems/max-consecutive-ones-iii
126,Word Ladder II,22.1%,Hard,0.5693600008081126, https://leetcode.com/problems/word-ladder-ii
277,Find the Celebrity,41.8%,Medium,0.5616591289700842, https://leetcode.com/problems/find-the-celebrity
452,Minimum Number of Arrows to Burst Balloons,49.6%,Medium,0.5584397574369148, https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons
22,Generate Parentheses,62.7%,Medium,0.553101106914229, https://leetcode.com/problems/generate-parentheses
494,Target Sum,46.3%,Medium,0.537605099367259, https://leetcode.com/problems/target-sum
865,Smallest Subtree with all the Deepest Nodes,60.8%,Medium,0.5360733767570822, https://leetcode.com/problems/smallest-subtree-with-all-the-deepest-nodes
647,Palindromic Substrings,60.6%,Medium,0.5122882232745292, https://leetcode.com/problems/palindromic-substrings
378,Kth Smallest Element in a Sorted Matrix,54.3%,Medium,0.5057807371350349, https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
1094,Car Pooling,56.7%,Medium,0.5042466526679481, https://leetcode.com/problems/car-pooling
15,3Sum,26.8%,Medium,0.4923847546019265, https://leetcode.com/problems/3sum
1027,Longest Arithmetic Sequence,53.4%,Medium,0.48432368302048406, https://leetcode.com/problems/longest-arithmetic-sequence
348,Design Tic-Tac-Toe,54.3%,Medium,0.47793775692115553, https://leetcode.com/problems/design-tic-tac-toe
140,Word Break II,32.6%,Hard,0.4761853504191846, https://leetcode.com/problems/word-break-ii
93,Restore IP Addresses,35.6%,Medium,0.47237108409270245, https://leetcode.com/problems/restore-ip-addresses
772,Basic Calculator III,41.3%,Hard,0.462623521948113, https://leetcode.com/problems/basic-calculator-iii
540,Single Element in a Sorted Array,57.9%,Medium,0.46172503314573243, https://leetcode.com/problems/single-element-in-a-sorted-array
1213,Intersection of Three Sorted Arrays,78.9%,Easy,0.45778473187961194, https://leetcode.com/problems/intersection-of-three-sorted-arrays
1269,Number of Ways to Stay in the Same Place After Some Steps,43.2%,Hard,0.4557571315683002, https://leetcode.com/problems/number-of-ways-to-stay-in-the-same-place-after-some-steps
329,Longest Increasing Path in a Matrix,43.4%,Hard,0.4510648782793416, https://leetcode.com/problems/longest-increasing-path-in-a-matrix
529,Minesweeper,59.1%,Medium,0.4410244101446512, https://leetcode.com/problems/minesweeper
91,Decode Ways,24.7%,Medium,0.43194955048493294, https://leetcode.com/problems/decode-ways
490,The Maze,51.4%,Medium,0.4296321995074925, https://leetcode.com/problems/the-maze
1,Two Sum,45.6%,Easy,0.42776342069905027, https://leetcode.com/problems/two-sum
50,Pow(x;n),30.3%,Medium,0.4274653596092084, https://leetcode.com/problems/powx-n
224,Basic Calculator,36.8%,Hard,0.42504615330727086, https://leetcode.com/problems/basic-calculator
1233,Remove Sub-Folders from the Filesystem,59.5%,Medium,0.4243747624654565, https://leetcode.com/problems/remove-sub-folders-from-the-filesystem
350,Intersection of Two Arrays II,51.4%,Easy,0.42028659580670896, https://leetcode.com/problems/intersection-of-two-arrays-ii
257,Binary Tree Paths,51.5%,Easy,0.4154891624073732, https://leetcode.com/problems/binary-tree-paths
8,String to Integer (atoi),15.4%,Medium,0.407141925712164, https://leetcode.com/problems/string-to-integer-atoi
163,Missing Ranges,24.3%,Medium,0.4067714440222198, https://leetcode.com/problems/missing-ranges
568,Maximum Vacation Days,40.8%,Hard,0.4036217896138752, https://leetcode.com/problems/maximum-vacation-days
364,Nested List Weight Sum II,62.8%,Medium,0.3968580334554196, https://leetcode.com/problems/nested-list-weight-sum-ii
791,Custom Sort String,65.7%,Medium,0.3900345348815187, https://leetcode.com/problems/custom-sort-string
939,Minimum Area Rectangle,51.8%,Medium,0.3885265923801231, https://leetcode.com/problems/minimum-area-rectangle
678,Valid Parenthesis String,31.0%,Medium,0.38202577837362234, https://leetcode.com/problems/valid-parenthesis-string
934,Shortest Bridge,48.2%,Medium,0.3715318913226816, https://leetcode.com/problems/shortest-bridge
121,Best Time to Buy and Sell Stock,50.5%,Easy,0.3695140839999301, https://leetcode.com/problems/best-time-to-buy-and-sell-stock
114,Flatten Binary Tree to Linked List,49.3%,Medium,0.3666595336863693, https://leetcode.com/problems/flatten-binary-tree-to-linked-list
408,Valid Word Abbreviation,30.6%,Easy,0.36101334553733055, https://leetcode.com/problems/valid-word-abbreviation
127,Word Ladder,29.6%,Medium,0.35996786713577755, https://leetcode.com/problems/word-ladder
855,Exam Room,43.1%,Medium,0.34442921752179523, https://leetcode.com/problems/exam-room
341,Flatten Nested List Iterator,52.9%,Medium,0.3426517489923298, https://leetcode.com/problems/flatten-nested-list-iterator
78,Subsets,62.0%,Medium,0.34168366615845647, https://leetcode.com/problems/subsets
963,Minimum Area Rectangle II,50.9%,Medium,0.3416302106614813, https://leetcode.com/problems/minimum-area-rectangle-ii
400,Nth Digit,31.7%,Medium,0.33647223662121295, https://leetcode.com/problems/nth-digit
3,Longest Substring Without Repeating Characters,30.4%,Medium,0.33543751206600453, https://leetcode.com/problems/longest-substring-without-repeating-characters
333,Largest BST Subtree,35.8%,Medium,0.32931497055013925, https://leetcode.com/problems/largest-bst-subtree
827,Making A Large Island,45.7%,Hard,0.32879599515977564, https://leetcode.com/problems/making-a-large-island
695,Max Area of Island,62.7%,Medium,0.32657434158263016, https://leetcode.com/problems/max-area-of-island
266,Palindrome Permutation,61.9%,Easy,0.32365154819215153, https://leetcode.com/problems/palindrome-permutation
381,Insert Delete GetRandom O(1) - Duplicates allowed,34.1%,Hard,0.32306557634109756, https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
844,Backspace String Compare,46.4%,Easy,0.32306557634109756, https://leetcode.com/problems/backspace-string-compare
692,Top K Frequent Words,51.8%,Medium,0.31457116512531025, https://leetcode.com/problems/top-k-frequent-words
549,Binary Tree Longest Consecutive Sequence II,47.0%,Medium,0.31383478526224007, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence-ii
1242,Web Crawler Multithreaded,45.9%,Medium,0.30961714931803663, https://leetcode.com/problems/web-crawler-multithreaded
207,Course Schedule,43.1%,Medium,0.3071480068014249, https://leetcode.com/problems/course-schedule
536,Construct Binary Tree from String,48.3%,Medium,0.303629619668917, https://leetcode.com/problems/construct-binary-tree-from-string
1245,Tree Diameter,60.1%,Medium,0.29849298855599654, https://leetcode.com/problems/tree-diameter
332,Reconstruct Itinerary,36.7%,Medium,0.29733066556761284, https://leetcode.com/problems/reconstruct-itinerary
936,Stamping The Sequence,42.8%,Hard,0.2972515234679316, https://leetcode.com/problems/stamping-the-sequence
161,One Edit Distance,32.3%,Medium,0.28698931177288023, https://leetcode.com/problems/one-edit-distance
875,Koko Eating Bananas,52.1%,Medium,0.28493103907989104, https://leetcode.com/problems/koko-eating-bananas
32,Longest Valid Parentheses,28.4%,Hard,0.28481756175632106, https://leetcode.com/problems/longest-valid-parentheses
1424,Diagonal Traverse II,42.4%,Medium,0.28406186115878557, https://leetcode.com/problems/diagonal-traverse-ii
166,Fraction to Recurring Decimal,21.6%,Medium,0.2819404298841057, https://leetcode.com/problems/fraction-to-recurring-decimal
548,Split Array with Equal Sum,46.4%,Medium,0.2761315220005779, https://leetcode.com/problems/split-array-with-equal-sum
92,Reverse Linked List II,38.8%,Medium,0.27542168553536034, https://leetcode.com/problems/reverse-linked-list-ii
977,Squares of a Sorted Array,72.1%,Easy,0.2744368457017603, https://leetcode.com/problems/squares-of-a-sorted-array
347,Top K Frequent Elements,61.2%,Medium,0.272004511442638, https://leetcode.com/problems/top-k-frequent-elements
609,Find Duplicate File in System,59.5%,Medium,0.25388017696233983, https://leetcode.com/problems/find-duplicate-file-in-system
111,Minimum Depth of Binary Tree,37.4%,Easy,0.24735812724870243, https://leetcode.com/problems/minimum-depth-of-binary-tree
622,Design Circular Queue,43.8%,Medium,0.2454927324105261, https://leetcode.com/problems/design-circular-queue
1032,Stream of Characters,48.3%,Hard,0.24287879543594265, https://leetcode.com/problems/stream-of-characters
240,Search a 2D Matrix II,43.2%,Medium,0.24218097481422138, https://leetcode.com/problems/search-a-2d-matrix-ii
57,Insert Interval,33.5%,Hard,0.23697938397356041, https://leetcode.com/problems/insert-interval
416,Partition Equal Subset Sum,43.7%,Medium,0.23420537108328685, https://leetcode.com/problems/partition-equal-subset-sum
742,Closest Leaf in a Binary Tree,43.6%,Medium,0.23361485118150516, https://leetcode.com/problems/closest-leaf-in-a-binary-tree
129,Sum Root to Leaf Numbers,49.1%,Medium,0.2308064240597789, https://leetcode.com/problems/sum-root-to-leaf-numbers
334,Increasing Triplet Subsequence,40.0%,Medium,0.23032129090902695, https://leetcode.com/problems/increasing-triplet-subsequence
73,Set Matrix Zeroes,43.1%,Medium,0.22588530142358976, https://leetcode.com/problems/set-matrix-zeroes
428,Serialize and Deserialize N-ary Tree,59.4%,Hard,0.22567199766756846, https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
2,Add Two Numbers,33.9%,Medium,0.21782267725557036, https://leetcode.com/problems/add-two-numbers
39,Combination Sum,56.1%,Medium,0.21687574090953024, https://leetcode.com/problems/combination-sum
515,Find Largest Value in Each Tree Row,61.1%,Medium,0.21199732494007123, https://leetcode.com/problems/find-largest-value-in-each-tree-row
283,Move Zeroes,57.8%,Easy,0.21030412725932263, https://leetcode.com/problems/move-zeroes
117,Populating Next Right Pointers in Each Node II,39.1%,Medium,0.20860539286818253, https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
20,Valid Parentheses,39.0%,Easy,0.20727582199587388, https://leetcode.com/problems/valid-parentheses
983,Minimum Cost For Tickets,60.5%,Medium,0.2028261131996316, https://leetcode.com/problems/minimum-cost-for-tickets
19,Remove Nth Node From End of List,35.2%,Medium,0.20099276793124013, https://leetcode.com/problems/remove-nth-node-from-end-of-list
352,Data Stream as Disjoint Intervals,47.3%,Hard,0.1980128865886302, https://leetcode.com/problems/data-stream-as-disjoint-intervals
637,Average of Levels in Binary Tree,63.1%,Easy,0.1972664368553499, https://leetcode.com/problems/average-of-levels-in-binary-tree
214,Shortest Palindrome,29.8%,Hard,0.19671029424605424, https://leetcode.com/problems/shortest-palindrome
53,Maximum Subarray,46.5%,Easy,0.19634219774637035, https://leetcode.com/problems/maximum-subarray
272,Closest Binary Search Tree Value II,50.5%,Hard,0.1920777317393193, https://leetcode.com/problems/closest-binary-search-tree-value-ii
75,Sort Colors,47.3%,Medium,0.19182745017125022, https://leetcode.com/problems/sort-colors
358,Rearrange String k Distance Apart,34.9%,Hard,0.19004360288786493, https://leetcode.com/problems/rearrange-string-k-distance-apart
5,Longest Palindromic Substring,29.5%,Medium,0.18726302339313927, https://leetcode.com/problems/longest-palindromic-substring
969,Pancake Sorting,67.5%,Medium,0.18336922582639836, https://leetcode.com/problems/pancake-sorting
1091,Shortest Path in Binary Matrix,38.2%,Medium,0.18312509239363786, https://leetcode.com/problems/shortest-path-in-binary-matrix
323,Number of Connected Components in an Undirected Graph,56.0%,Medium,0.18178978331691914, https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
759,Employee Free Time,66.3%,Hard,0.1816986978513639, https://leetcode.com/problems/employee-free-time
388,Longest Absolute File Path,41.8%,Medium,0.18128582392042256, https://leetcode.com/problems/longest-absolute-file-path
40,Combination Sum II,48.2%,Medium,0.1780616138489939, https://leetcode.com/problems/combination-sum-ii
336,Palindrome Pairs,33.7%,Hard,0.17569702187832992, https://leetcode.com/problems/palindrome-pairs
319,Bulb Switcher,45.4%,Medium,0.1734438827619372, https://leetcode.com/problems/bulb-switcher
567,Permutation in String,44.4%,Medium,0.16931057302189864, https://leetcode.com/problems/permutation-in-string
116,Populating Next Right Pointers in Each Node,45.2%,Medium,0.16897814162027025, https://leetcode.com/problems/populating-next-right-pointers-in-each-node
325,Maximum Size Subarray Sum Equals k,46.8%,Medium,0.16882086957505205, https://leetcode.com/problems/maximum-size-subarray-sum-equals-k
102,Binary Tree Level Order Traversal,54.6%,Medium,0.16435828678782985, https://leetcode.com/problems/binary-tree-level-order-traversal
46,Permutations,63.5%,Medium,0.16425503646428852, https://leetcode.com/problems/permutations
280,Wiggle Sort,63.8%,Medium,0.16413412381144152, https://leetcode.com/problems/wiggle-sort
242,Valid Anagram,56.9%,Easy,0.1620140669319784, https://leetcode.com/problems/valid-anagram
724,Find Pivot Index,44.0%,Easy,0.15773063591797515, https://leetcode.com/problems/find-pivot-index
676,Implement Magic Dictionary,54.5%,Medium,0.15104025741286586, https://leetcode.com/problems/implement-magic-dictionary
230,Kth Smallest Element in a BST,60.2%,Medium,0.1474770794572995, https://leetcode.com/problems/kth-smallest-element-in-a-bst
328,Odd Even Linked List,55.7%,Medium,0.14442996827561513, https://leetcode.com/problems/odd-even-linked-list
74,Search a 2D Matrix,36.5%,Medium,0.13990475142949543, https://leetcode.com/problems/search-a-2d-matrix
160,Intersection of Two Linked Lists,40.6%,Easy,0.13857026686146906, https://leetcode.com/problems/intersection-of-two-linked-lists
1209,Remove All Adjacent Duplicates in String II,56.9%,Medium,0.13712574822724946, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii
295,Find Median from Data Stream,44.3%,Hard,0.13508385924075386, https://leetcode.com/problems/find-median-from-data-stream
442,Find All Duplicates in an Array,67.8%,Medium,0.13441180353979212, https://leetcode.com/problems/find-all-duplicates-in-an-array
449,Serialize and Deserialize BST,52.0%,Medium,0.1327502812764459, https://leetcode.com/problems/serialize-and-deserialize-bst
730,Count Different Palindromic Subsequences,41.8%,Hard,0.13133600206108695, https://leetcode.com/problems/count-different-palindromic-subsequences
305,Number of Islands II,40.1%,Hard,0.1304306149462744, https://leetcode.com/problems/number-of-islands-ii
885,Spiral Matrix III,69.4%,Medium,0.1271551754852466, https://leetcode.com/problems/spiral-matrix-iii
54,Spiral Matrix,34.1%,Medium,0.12572728493821236, https://leetcode.com/problems/spiral-matrix
694,Number of Distinct Islands,56.0%,Medium,0.12516314295400602, https://leetcode.com/problems/number-of-distinct-islands
1146,Snapshot Array,37.0%,Medium,0.12154546954921416, https://leetcode.com/problems/snapshot-array
1439,Find the Kth Smallest Sum of a Matrix With Sorted Rows,59.5%,Hard,0.11918851726511835, https://leetcode.com/problems/find-the-kth-smallest-sum-of-a-matrix-with-sorted-rows
284,Peeking Iterator,45.7%,Medium,0.11901099827011974, https://leetcode.com/problems/peeking-iterator
776,Split BST,55.8%,Medium,0.11641035184441127, https://leetcode.com/problems/split-bst
435,Non-overlapping Intervals,42.9%,Medium,0.1158164666843426, https://leetcode.com/problems/non-overlapping-intervals
1275,Find Winner on a Tic Tac Toe Game,52.8%,Easy,0.11536465479210183, https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
212,Word Search II,34.9%,Hard,0.11439698130007839, https://leetcode.com/problems/word-search-ii
674,Longest Continuous Increasing Subsequence,45.9%,Easy,0.11324303587009586, https://leetcode.com/problems/longest-continuous-increasing-subsequence
503,Next Greater Element II,56.5%,Medium,0.11242734769506908, https://leetcode.com/problems/next-greater-element-ii
1047,Remove All Adjacent Duplicates In String,68.6%,Easy,0.11181352460393465, https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string
1008,Construct Binary Search Tree from Preorder Traversal,78.4%,Medium,0.11004936619718413, https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal
137,Single Number II,52.4%,Medium,0.10746985577594965, https://leetcode.com/problems/single-number-ii
966,Vowel Spellchecker,47.2%,Medium,0.10676797542570607, https://leetcode.com/problems/vowel-spellchecker
405,Convert a Number to Hexadecimal,43.9%,Easy,0.10573219378884732, https://leetcode.com/problems/convert-a-number-to-hexadecimal
547,Friend Circles,58.6%,Medium,0.10502210097355241, https://leetcode.com/problems/friend-circles
773,Sliding Puzzle,59.3%,Hard,0.10294796925244239, https://leetcode.com/problems/sliding-puzzle
1411,Number of Ways to Paint N × 3 Grid,61.1%,Hard,0.10135249426028749, https://leetcode.com/problems/number-of-ways-to-paint-n-3-grid
223,Rectangle Area,37.8%,Medium,0.10064352577968744, https://leetcode.com/problems/rectangle-area
387,First Unique Character in a String,53.4%,Easy,0.09971390202061521, https://leetcode.com/problems/first-unique-character-in-a-string
136,Single Number,65.5%,Easy,0.09844680818822771, https://leetcode.com/problems/single-number
1053,Previous Permutation With One Swap,48.5%,Medium,0.09835932019884275, https://leetcode.com/problems/previous-permutation-with-one-swap
489,Robot Room Cleaner,69.7%,Hard,0.09769150308111128, https://leetcode.com/problems/robot-room-cleaner
394,Decode String,50.0%,Medium,0.09572009987565212, https://leetcode.com/problems/decode-string
642,Design Search Autocomplete System,44.7%,Hard,0.09500811062818718, https://leetcode.com/problems/design-search-autocomplete-system
239,Sliding Window Maximum,43.0%,Hard,0.09271146326206103, https://leetcode.com/problems/sliding-window-maximum
1062,Longest Repeating Substring,57.2%,Medium,0.09201889872025212, https://leetcode.com/problems/longest-repeating-substring
21,Merge Two Sorted Lists,53.5%,Easy,0.09110919511165776, https://leetcode.com/problems/merge-two-sorted-lists
49,Group Anagrams,56.9%,Medium,0.09101320494254857, https://leetcode.com/problems/group-anagrams
1077,Project Employees III,75.6%,Medium,0.0907652093142671, https://leetcode.com/problems/project-employees-iii
1132,Reported Posts II,34.4%,Medium,0.0903548750399561, https://leetcode.com/problems/reported-posts-ii
62,Unique Paths,54.1%,Medium,0.08965185882136445, https://leetcode.com/problems/unique-paths
995,Minimum Number of K Consecutive Bit Flips,46.8%,Hard,0.08894748601649616, https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips
16,3Sum Closest,46.0%,Medium,0.08850538159227012, https://leetcode.com/problems/3sum-closest
25,Reverse Nodes in k-Group,42.1%,Hard,0.08835766048944313, https://leetcode.com/problems/reverse-nodes-in-k-group
788,Rotated Digits,57.1%,Easy,0.08743429938967429, https://leetcode.com/problems/rotated-digits
1113,Reported Posts,64.1%,Easy,0.08552217343816201, https://leetcode.com/problems/reported-posts
614,Second Degree Follower,30.3%,Medium,0.08479653666007693, https://leetcode.com/problems/second-degree-follower
345,Reverse Vowels of a String,44.2%,Easy,0.08413974844494757, https://leetcode.com/problems/reverse-vowels-of-a-string
443,String Compression,41.3%,Easy,0.08391368024915737, https://leetcode.com/problems/string-compression
550,Game Play Analysis IV,45.3%,Medium,0.08286311601350513, https://leetcode.com/problems/game-play-analysis-iv
44,Wildcard Matching,24.7%,Hard,0.08271909217936915, https://leetcode.com/problems/wildcard-matching
13,Roman to Integer,55.7%,Easy,0.08237818622149326, https://leetcode.com/problems/roman-to-integer
962,Maximum Width Ramp,45.4%,Medium,0.08184524810424337, https://leetcode.com/problems/maximum-width-ramp
884,Uncommon Words from Two Sentences,63.3%,Easy,0.07990051073053109, https://leetcode.com/problems/uncommon-words-from-two-sentences
208,Implement Trie (Prefix Tree),49.4%,Medium,0.07910997849332738, https://leetcode.com/problems/implement-trie-prefix-tree
128,Longest Consecutive Sequence,45.1%,Hard,0.0786603197723907, https://leetcode.com/problems/longest-consecutive-sequence
1254,Number of Closed Islands,60.5%,Medium,0.07796154146971186, https://leetcode.com/problems/number-of-closed-islands
1055,Shortest Way to Form String,56.9%,Medium,0.07681317776161672, https://leetcode.com/problems/shortest-way-to-form-string
778,Swim in Rising Water,53.1%,Hard,0.07651914983419623, https://leetcode.com/problems/swim-in-rising-water
852,Peak Index in a Mountain Array,71.6%,Easy,0.07637297878457401, https://leetcode.com/problems/peak-index-in-a-mountain-array
4,Median of Two Sorted Arrays,29.6%,Hard,0.07615745318145342, https://leetcode.com/problems/median-of-two-sorted-arrays
468,Validate IP Address,24.1%,Medium,0.07598590697792203, https://leetcode.com/problems/validate-ip-address
505,The Maze II,47.7%,Medium,0.07133147800542972, https://leetcode.com/problems/the-maze-ii
1057,Campus Bikes,57.7%,Medium,0.07107786641655695, https://leetcode.com/problems/campus-bikes
81,Search in Rotated Sorted Array II,33.0%,Medium,0.07091146875905202, https://leetcode.com/problems/search-in-rotated-sorted-array-ii
346,Moving Average from Data Stream,70.9%,Easy,0.06887402901251127, https://leetcode.com/problems/moving-average-from-data-stream
723,Candy Crush,69.2%,Medium,0.06828590786613152, https://leetcode.com/problems/candy-crush
168,Excel Sheet Column Title,31.1%,Easy,0.0676504718923617, https://leetcode.com/problems/excel-sheet-column-title
105,Construct Binary Tree from Preorder and Inorder Traversal,48.8%,Medium,0.06685522312111739, https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
178,Rank Scores,45.8%,Medium,0.06551667145414991, https://leetcode.com/problems/rank-scores
298,Binary Tree Longest Consecutive Sequence,47.1%,Medium,0.065169635074581, https://leetcode.com/problems/binary-tree-longest-consecutive-sequence
1108,Defanging an IP Address,87.5%,Easy,0.06413595621854226, https://leetcode.com/problems/defanging-an-ip-address
414,Third Maximum Number,30.5%,Easy,0.06304078374301514, https://leetcode.com/problems/third-maximum-number
11,Container With Most Water,50.8%,Medium,0.060358007567261264, https://leetcode.com/problems/container-with-most-water
55,Jump Game,34.6%,Medium,0.059854228581496645, https://leetcode.com/problems/jump-game
491,Increasing Subsequences,46.1%,Medium,0.058581901624802396, https://leetcode.com/problems/increasing-subsequences
1305,All Elements in Two Binary Search Trees,76.1%,Medium,0.05819353408024827, https://leetcode.com/problems/all-elements-in-two-binary-search-trees
373,Find K Pairs with Smallest Sums,36.7%,Medium,0.058155920157074034, https://leetcode.com/problems/find-k-pairs-with-smallest-sums
417,Pacific Atlantic Water Flow,41.1%,Medium,0.057523844138186606, https://leetcode.com/problems/pacific-atlantic-water-flow
312,Burst Balloons,51.8%,Hard,0.056547726798068784, https://leetcode.com/problems/burst-balloons
218,The Skyline Problem,34.6%,Hard,0.0564413109049518, https://leetcode.com/problems/the-skyline-problem
41,First Missing Positive,32.0%,Hard,0.056273635982108605, https://leetcode.com/problems/first-missing-positive
24,Swap Nodes in Pairs,50.4%,Medium,0.05465011300438079, https://leetcode.com/problems/swap-nodes-in-pairs
395,Longest Substring with At Least K Repeating Characters,41.4%,Medium,0.05371219359052555, https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
679,24 Game,46.4%,Hard,0.05341723749698583, https://leetcode.com/problems/24-game
597,Friend Requests I: Overall Acceptance Rate,41.0%,Easy,0.053062844975211534, https://leetcode.com/problems/friend-requests-i-overall-acceptance-rate
17,Letter Combinations of a Phone Number,46.8%,Medium,0.052632421620123555, https://leetcode.com/problems/letter-combinations-of-a-phone-number
122,Best Time to Buy and Sell Stock II,57.0%,Easy,0.05236798551731598, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
496,Next Greater Element I,63.8%,Easy,0.05179150912840488, https://leetcode.com/problems/next-greater-element-i
209,Minimum Size Subarray Sum,38.2%,Medium,0.05146227039335983, https://leetcode.com/problems/minimum-size-subarray-sum
681,Next Closest Time,45.0%,Medium,0.05045206096038863, https://leetcode.com/problems/next-closest-time
285,Inorder Successor in BST,40.4%,Medium,0.049569618859417214, https://leetcode.com/problems/inorder-successor-in-bst
79,Word Search,35.6%,Medium,0.04917091711296865, https://leetcode.com/problems/word-search
593,Valid Square,43.1%,Medium,0.048671406375812236, https://leetcode.com/problems/valid-square
1019,Next Greater Node In Linked List,57.4%,Medium,0.04795804429616222, https://leetcode.com/problems/next-greater-node-in-linked-list
26,Remove Duplicates from Sorted Array,45.1%,Easy,0.0476757427679509, https://leetcode.com/problems/remove-duplicates-from-sorted-array
698,Partition to K Equal Sum Subsets,45.0%,Medium,0.04685917114094188, https://leetcode.com/problems/partition-to-k-equal-sum-subsets
556,Next Greater Element III,31.7%,Medium,0.04679216150675895, https://leetcode.com/problems/next-greater-element-iii
191,Number of 1 Bits,49.8%,Easy,0.045812334709758235, https://leetcode.com/problems/number-of-1-bits
48,Rotate Image,56.7%,Medium,0.04495138786226632, https://leetcode.com/problems/rotate-image
935,Knight Dialer,45.2%,Medium,0.04445176257083384, https://leetcode.com/problems/knight-dialer
148,Sort List,42.3%,Medium,0.04408427313201935, https://leetcode.com/problems/sort-list
1498,Number of Subsequences That Satisfy the Given Sum Condition,36.7%,Medium,0.04334372921647208, https://leetcode.com/problems/number-of-subsequences-that-satisfy-the-given-sum-condition
399,Evaluate Division,51.6%,Medium,0.043089480538103624, https://leetcode.com/problems/evaluate-division
338,Counting Bits,69.5%,Medium,0.0428445715346785, https://leetcode.com/problems/counting-bits
716,Max Stack,42.6%,Easy,0.042695919196489414, https://leetcode.com/problems/max-stack
611,Valid Triangle Number,48.4%,Medium,0.04255961441879593, https://leetcode.com/problems/valid-triangle-number
669,Trim a Binary Search Tree,63.0%,Easy,0.04255961441879593, https://leetcode.com/problems/trim-a-binary-search-tree
430,Flatten a Multilevel Doubly Linked List,55.1%,Medium,0.04154283751370906, https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
1219,Path with Maximum Gold,65.1%,Medium,0.04111576039097048, https://leetcode.com/problems/path-with-maximum-gold
37,Sudoku Solver,43.6%,Hard,0.040527833612118376, https://leetcode.com/problems/sudoku-solver
918,Maximum Sum Circular Subarray,33.7%,Medium,0.04045040846284272, https://leetcode.com/problems/maximum-sum-circular-subarray
14,Longest Common Prefix,35.4%,Easy,0.039933598017406854, https://leetcode.com/problems/longest-common-prefix
686,Repeated String Match,32.3%,Easy,0.03984590854719967, https://leetcode.com/problems/repeated-string-match
406,Queue Reconstruction by Height,66.9%,Medium,0.03949613834265583, https://leetcode.com/problems/queue-reconstruction-by-height
210,Course Schedule II,40.7%,Medium,0.03795788828372613, https://leetcode.com/problems/course-schedule-ii
1031,Maximum Sum of Two Non-Overlapping Subarrays,57.9%,Medium,0.03711000965123125, https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays
206,Reverse Linked List,62.5%,Easy,0.03679633286058156, https://leetcode.com/problems/reverse-linked-list
887,Super Egg Drop,27.1%,Hard,0.03660060864484636, https://leetcode.com/problems/super-egg-drop
28,Implement strStr(),34.5%,Easy,0.03494144277828229, https://leetcode.com/problems/implement-strstr
152,Maximum Product Subarray,31.7%,Medium,0.034438665054543384, https://leetcode.com/problems/maximum-product-subarray
886,Possible Bipartition,44.2%,Medium,0.034103901828857086, https://leetcode.com/problems/possible-bipartition
1360,Number of Days Between Two Dates,48.8%,Easy,0.03401688527825427, https://leetcode.com/problems/number-of-days-between-two-dates
384,Shuffle an Array,52.8%,Medium,0.03399118781703353, https://leetcode.com/problems/shuffle-an-array
516,Longest Palindromic Subsequence,53.2%,Medium,0.0332870969222259, https://leetcode.com/problems/longest-palindromic-subsequence
1287,Element Appearing More Than 25% In Sorted Array,60.2%,Easy,0.033033556829153404, https://leetcode.com/problems/element-appearing-more-than-25-in-sorted-array
235,Lowest Common Ancestor of a Binary Search Tree,49.9%,Easy,0.032470385030784074, https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
300,Longest Increasing Subsequence,42.6%,Medium,0.03245773693742074, https://leetcode.com/problems/longest-increasing-subsequence
228,Summary Ranges,39.5%,Medium,0.03157326191609021, https://leetcode.com/problems/summary-ranges
150,Evaluate Reverse Polish Notation,36.3%,Medium,0.031526253646773944, https://leetcode.com/problems/evaluate-reverse-polish-notation
703,Kth Largest Element in a Stream,49.7%,Easy,0.031004894819414507, https://leetcode.com/problems/kth-largest-element-in-a-stream
303,Range Sum Query - Immutable,44.7%,Easy,0.029549096691749193, https://leetcode.com/problems/range-sum-query-immutable
7,Reverse Integer,25.8%,Easy,0.029372034825448746, https://leetcode.com/problems/reverse-integer
176,Second Highest Salary,31.6%,Easy,0.029252542837437355, https://leetcode.com/problems/second-highest-salary
324,Wiggle Sort II,29.9%,Medium,0.02898753687325229, https://leetcode.com/problems/wiggle-sort-ii
509,Fibonacci Number,67.2%,Easy,0.028156003871381816, https://leetcode.com/problems/fibonacci-number
472,Concatenated Words,43.7%,Hard,0.027664281472355556, https://leetcode.com/problems/concatenated-words
159,Longest Substring with At Most Two Distinct Characters,49.4%,Medium,0.02717558537896476, https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters
437,Path Sum III,47.2%,Medium,0.02708561605844235, https://leetcode.com/problems/path-sum-iii
1379,Find a Corresponding Node of a Binary Tree in a Clone of That Tree,83.8%,Medium,0.02645656953683045, https://leetcode.com/problems/find-a-corresponding-node-of-a-binary-tree-in-a-clone-of-that-tree
979,Distribute Coins in Binary Tree,68.9%,Medium,0.026196651946570663, https://leetcode.com/problems/distribute-coins-in-binary-tree
403,Frog Jump,39.7%,Hard,0.0259249775263148, https://leetcode.com/problems/frog-jump
410,Split Array Largest Sum,44.5%,Hard,0.025807883955872597, https://leetcode.com/problems/split-array-largest-sum
90,Subsets II,47.1%,Medium,0.025497131933483772, https://leetcode.com/problems/subsets-ii
189,Rotate Array,34.7%,Easy,0.024924029676386045, https://leetcode.com/problems/rotate-array
30,Substring with Concatenation of All Words,25.4%,Hard,0.02486144206532915, https://leetcode.com/problems/substring-with-concatenation-of-all-words
662,Maximum Width of Binary Tree,41.0%,Medium,0.024116924478312346, https://leetcode.com/problems/maximum-width-of-binary-tree
307,Range Sum Query - Mutable,34.6%,Medium,0.02223549085228711, https://leetcode.com/problems/range-sum-query-mutable
221,Maximal Square,37.7%,Medium,0.022108490754203434, https://leetcode.com/problems/maximal-square
108,Convert Sorted Array to Binary Search Tree,57.9%,Easy,0.022033389270751453, https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
112,Path Sum,41.2%,Easy,0.021701651897460775, https://leetcode.com/problems/path-sum
1137,N-th Tribonacci Number,55.9%,Easy,0.02072613051711693, https://leetcode.com/problems/n-th-tribonacci-number
60,Permutation Sequence,38.4%,Hard,0.020471543980187256, https://leetcode.com/problems/permutation-sequence
392,Is Subsequence,49.2%,Easy,0.02033508842008217, https://leetcode.com/problems/is-subsequence
525,Contiguous Array,42.8%,Medium,0.01975372873623256, https://leetcode.com/problems/contiguous-array
229,Majority Element II,35.6%,Medium,0.019057270410286146, https://leetcode.com/problems/majority-element-ii
787,Cheapest Flights Within K Stops,39.3%,Medium,0.018824085245635554, https://leetcode.com/problems/cheapest-flights-within-k-stops
450,Delete Node in a BST,43.1%,Medium,0.018536211907915243, https://leetcode.com/problems/delete-node-in-a-bst
70,Climbing Stairs,47.8%,Easy,0.018323749536870576, https://leetcode.com/problems/climbing-stairs
706,Design HashMap,61.3%,Easy,0.01752893260576219, https://leetcode.com/problems/design-hashmap
993,Cousins in Binary Tree,52.0%,Easy,0.017414458368636587, https://leetcode.com/problems/cousins-in-binary-tree
1266,Minimum Time Visiting All Points,79.6%,Easy,0.017354014693151613, https://leetcode.com/problems/minimum-time-visiting-all-points
289,Game of Life,54.5%,Medium,0.0173239499317743, https://leetcode.com/problems/game-of-life
95,Unique Binary Search Trees II,40.6%,Medium,0.016856699181010838, https://leetcode.com/problems/unique-binary-search-trees-ii
145,Binary Tree Postorder Traversal,55.0%,Hard,0.01682911820009702, https://leetcode.com/problems/binary-tree-postorder-traversal
997,Find the Town Judge,50.1%,Easy,0.01677891712910938, https://leetcode.com/problems/find-the-town-judge
51,N-Queens,46.6%,Hard,0.016393809775676407, https://leetcode.com/problems/n-queens
1304,Find N Unique Integers Sum up to Zero,76.3%,Easy,0.015892269319508656, https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
153,Find Minimum in Rotated Sorted Array,45.1%,Medium,0.014939586916186732, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
203,Remove Linked List Elements,38.6%,Easy,0.014519311324453305, https://leetcode.com/problems/remove-linked-list-elements
653,Two Sum IV - Input is a BST,55.5%,Easy,0.014224990931347289, https://leetcode.com/problems/two-sum-iv-input-is-a-bst
179,Largest Number,28.8%,Medium,0.013865040137171665, https://leetcode.com/problems/largest-number
64,Minimum Path Sum,54.5%,Medium,0.013734383449598314, https://leetcode.com/problems/minimum-path-sum
101,Symmetric Tree,46.8%,Easy,0.013553786479814183, https://leetcode.com/problems/symmetric-tree
344,Reverse String,68.5%,Easy,0.013014662307854044, https://leetcode.com/problems/reverse-string
77,Combinations,54.7%,Medium,0.01255115315451512, https://leetcode.com/problems/combinations
287,Find the Duplicate Number,55.5%,Medium,0.012335682739188652, https://leetcode.com/problems/find-the-duplicate-number
445,Add Two Numbers II,54.5%,Medium,0.01233061245747872, https://leetcode.com/problems/add-two-numbers-ii
172,Factorial Trailing Zeroes,37.8%,Easy,0.012326812480658571, https://leetcode.com/problems/factorial-trailing-zeroes
205,Isomorphic Strings,39.8%,Easy,0.011544139746865315, https://leetcode.com/problems/isomorphic-strings
733,Flood Fill,55.3%,Easy,0.011217167530924988, https://leetcode.com/problems/flood-fill
171,Excel Sheet Column Number,55.9%,Easy,0.011195191092491645, https://leetcode.com/problems/excel-sheet-column-number
104,Maximum Depth of Binary Tree,66.0%,Easy,0.011105055822701604, https://leetcode.com/problems/maximum-depth-of-binary-tree
103,Binary Tree Zigzag Level Order Traversal,48.3%,Medium,0.01063025572799205, https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
234,Palindrome Linked List,39.3%,Easy,0.010171877938733932, https://leetcode.com/problems/palindrome-linked-list
72,Edit Distance,44.8%,Hard,0.010017614452317782, https://leetcode.com/problems/edit-distance
61,Rotate List,30.0%,Medium,0.009925639799969955, https://leetcode.com/problems/rotate-list
113,Path Sum II,46.7%,Medium,0.009784813879998279, https://leetcode.com/problems/path-sum-ii
905,Sort Array By Parity,74.1%,Easy,0.009603915354180344, https://leetcode.com/problems/sort-array-by-parity
151,Reverse Words in a String,21.9%,Medium,0.009570916441992467, https://leetcode.com/problems/reverse-words-in-a-string
96,Unique Binary Search Trees,52.9%,Medium,0.009242209964820877, https://leetcode.com/problems/unique-binary-search-trees
1143,Longest Common Subsequence,58.4%,Medium,0.008835931134362285, https://leetcode.com/problems/longest-common-subsequence
63,Unique Paths II,34.6%,Medium,0.008712753874961187, https://leetcode.com/problems/unique-paths-ii
763,Partition Labels,76.1%,Medium,0.008385793376274025, https://leetcode.com/problems/partition-labels
84,Largest Rectangle in Histogram,35.2%,Hard,0.00833685528906183, https://leetcode.com/problems/largest-rectangle-in-histogram
38,Count and Say,44.6%,Easy,0.007829360800435779, https://leetcode.com/problems/count-and-say
6,ZigZag Conversion,36.3%,Medium,0.0077116248757144665, https://leetcode.com/problems/zigzag-conversion
66,Plus One,43.0%,Easy,0.007324847595025828, https://leetcode.com/problems/plus-one
36,Valid Sudoku,48.7%,Medium,0.007258242715805398, https://leetcode.com/problems/valid-sudoku
204,Count Primes,31.5%,Easy,0.007072165261362441, https://leetcode.com/problems/count-primes
118,Pascal's Triangle,52.5%,Easy,0.006749941254175012, https://leetcode.com/problems/pascals-triangle
83,Remove Duplicates from Sorted List,45.4%,Easy,0.006353261522609498, https://leetcode.com/problems/remove-duplicates-from-sorted-list
1528,Shuffle String,86.1%,Easy,0.006295047716793515, https://leetcode.com/problems/shuffle-string
237,Delete Node in a Linked List,63.8%,Easy,0.005144705881237697, https://leetcode.com/problems/delete-node-in-a-linked-list
268,Missing Number,51.7%,Easy,0.0048804391649084865, https://leetcode.com/problems/missing-number
154,Find Minimum in Rotated Sorted Array II,41.6%,Hard,0.004780123824719199, https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
155,Min Stack,44.5%,Easy,0.00474891074128171, https://leetcode.com/problems/min-stack
141,Linked List Cycle,41.1%,Easy,0.0034937584669245472, https://leetcode.com/problems/linked-list-cycle
94,Binary Tree Inorder Traversal,63.3%,Medium,0.0033551449021403577, https://leetcode.com/problems/binary-tree-inorder-traversal
309,Best Time to Buy and Sell Stock with Cooldown,47.4%,Medium,0.0028498166907604426, https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown
260,Single Number III,64.3%,Medium,0.0020288097849578786, https://leetcode.com/problems/single-number-iii
100,Same Tree,53.4%,Easy,0.0014080047382258295, https://leetcode.com/problems/same-tree
1 953 ID Verifying an Alien Dictionary Title 54.1% Acceptance Easy Difficulty 3.672929743430384 Frequency https://leetcode.com/problems/verifying-an-alien-dictionary Leetcode Question Link
2 1249 953 Minimum Remove to Make Valid Parentheses Verifying an Alien Dictionary 62.5% 54.1% Medium Easy 3.495670386899169 3.672929743430384 https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses https://leetcode.com/problems/verifying-an-alien-dictionary
3 973 1249 K Closest Points to Origin Minimum Remove to Make Valid Parentheses 63.8% 62.5% Medium Medium 3.3184110303679546 3.495670386899169 https://leetcode.com/problems/k-closest-points-to-origin https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses
4 238 973 Product of Array Except Self K Closest Points to Origin 60.1% 63.8% Medium Medium 3.283232213950597 3.3184110303679546 https://leetcode.com/problems/product-of-array-except-self https://leetcode.com/problems/k-closest-points-to-origin
5 301 238 Remove Invalid Parentheses Product of Array Except Self 43.3% 60.1% Hard Medium 3.2812706407880663 3.283232213950597 https://leetcode.com/problems/remove-invalid-parentheses https://leetcode.com/problems/product-of-array-except-self
6 680 301 Valid Palindrome II Remove Invalid Parentheses 36.6% 43.3% Easy Hard 3.271459420826784 3.2812706407880663 https://leetcode.com/problems/valid-palindrome-ii https://leetcode.com/problems/remove-invalid-parentheses
7 560 680 Subarray Sum Equals K Valid Palindrome II 43.9% 36.6% Medium Easy 3.2328873827137383 3.271459420826784 https://leetcode.com/problems/subarray-sum-equals-k https://leetcode.com/problems/valid-palindrome-ii
8 273 560 Integer to English Words Subarray Sum Equals K 27.1% 43.9% Hard Medium 3.0556280261825237 3.2328873827137383 https://leetcode.com/problems/integer-to-english-words https://leetcode.com/problems/subarray-sum-equals-k
9 269 273 Alien Dictionary Integer to English Words 33.3% 27.1% Hard Hard 2.878368669651309 3.0556280261825237 https://leetcode.com/problems/alien-dictionary https://leetcode.com/problems/integer-to-english-words
10 415 269 Add Strings Alien Dictionary 47.5% 33.3% Easy Hard 2.7192844822779243 2.878368669651309 https://leetcode.com/problems/add-strings https://leetcode.com/problems/alien-dictionary
11 158 415 Read N Characters Given Read4 II - Call multiple times Add Strings 33.8% 47.5% Hard Easy 2.5420251257467097 2.7192844822779243 https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times https://leetcode.com/problems/add-strings
12 124 158 Binary Tree Maximum Path Sum Read N Characters Given Read4 II - Call multiple times 34.3% 33.8% Hard Hard 2.5244353385109877 2.5420251257467097 https://leetcode.com/problems/binary-tree-maximum-path-sum https://leetcode.com/problems/read-n-characters-given-read4-ii-call-multiple-times
13 297 124 Serialize and Deserialize Binary Tree Binary Tree Maximum Path Sum 47.5% 34.3% Hard Hard 2.4916605427137495 2.5244353385109877 https://leetcode.com/problems/serialize-and-deserialize-binary-tree https://leetcode.com/problems/binary-tree-maximum-path-sum
14 199 297 Binary Tree Right Side View Serialize and Deserialize Binary Tree 54.1% 47.5% Medium Hard 2.4876454517631963 2.4916605427137495 https://leetcode.com/problems/binary-tree-right-side-view https://leetcode.com/problems/serialize-and-deserialize-binary-tree
15 438 199 Find All Anagrams in a String Binary Tree Right Side View 43.3% 54.1% Medium Medium 2.397524297872021 2.4876454517631963 https://leetcode.com/problems/find-all-anagrams-in-a-string https://leetcode.com/problems/binary-tree-right-side-view
16 211 438 Add and Search Word - Data structure design Find All Anagrams in a String 38.1% 43.3% Medium Medium 2.3759545223677563 2.397524297872021 https://leetcode.com/problems/add-and-search-word-data-structure-design https://leetcode.com/problems/find-all-anagrams-in-a-string
17 278 211 First Bad Version Add and Search Word - Data structure design 35.7% 38.1% Easy Medium 2.1986951658365417 2.3759545223677563 https://leetcode.com/problems/first-bad-version https://leetcode.com/problems/add-and-search-word-data-structure-design
18 523 278 Continuous Subarray Sum First Bad Version 24.6% 35.7% Medium Easy 2.166716009367632 2.1986951658365417 https://leetcode.com/problems/continuous-subarray-sum https://leetcode.com/problems/first-bad-version
19 23 523 Merge k Sorted Lists Continuous Subarray Sum 40.2% 24.6% Hard Medium 2.1408121493810057 2.166716009367632 https://leetcode.com/problems/merge-k-sorted-lists https://leetcode.com/problems/continuous-subarray-sum
20 125 23 Valid Palindrome Merge k Sorted Lists 36.7% 40.2% Easy Hard 2.10463501498305 2.1408121493810057 https://leetcode.com/problems/valid-palindrome https://leetcode.com/problems/merge-k-sorted-lists
21 426 125 Convert Binary Search Tree to Sorted Doubly Linked List Valid Palindrome 59.1% 36.7% Medium Easy 2.0376808407812033 2.10463501498305 https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list https://leetcode.com/problems/valid-palindrome
22 173 426 Binary Search Tree Iterator Convert Binary Search Tree to Sorted Doubly Linked List 56.6% 59.1% Medium Medium 2.0078306132610235 2.0376808407812033 https://leetcode.com/problems/binary-search-tree-iterator https://leetcode.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list
23 67 173 Add Binary Binary Search Tree Iterator 45.2% 56.6% Easy Medium 2.0006884437372294 2.0078306132610235 https://leetcode.com/problems/add-binary https://leetcode.com/problems/binary-search-tree-iterator
24 282 67 Expression Add Operators Add Binary 35.5% 45.2% Hard Easy 1.9743024644234966 2.0006884437372294 https://leetcode.com/problems/expression-add-operators https://leetcode.com/problems/add-binary
25 340 282 Longest Substring with At Most K Distinct Characters Expression Add Operators 44.1% 35.5% Hard Hard 1.9268050203671723 1.9743024644234966 https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters https://leetcode.com/problems/expression-add-operators
26 215 340 Kth Largest Element in an Array Longest Substring with At Most K Distinct Characters 55.4% 44.1% Medium Hard 1.9162899009936014 1.9268050203671723 https://leetcode.com/problems/kth-largest-element-in-an-array https://leetcode.com/problems/longest-substring-with-at-most-k-distinct-characters
27 543 215 Diameter of Binary Tree Kth Largest Element in an Array 48.4% 55.4% Easy Medium 1.9159403034429063 1.9162899009936014 https://leetcode.com/problems/diameter-of-binary-tree https://leetcode.com/problems/kth-largest-element-in-an-array
28 636 543 Exclusive Time of Functions Diameter of Binary Tree 51.9% 48.4% Medium Easy 1.9144673183856245 1.9159403034429063 https://leetcode.com/problems/exclusive-time-of-functions https://leetcode.com/problems/diameter-of-binary-tree
29 65 636 Valid Number Exclusive Time of Functions 15.3% 51.9% Hard Medium 1.8249221481329196 1.9144673183856245 https://leetcode.com/problems/valid-number https://leetcode.com/problems/exclusive-time-of-functions
30 986 65 Interval List Intersections Valid Number 67.3% 15.3% Medium Hard 1.7606773319042146 1.8249221481329196 https://leetcode.com/problems/interval-list-intersections https://leetcode.com/problems/valid-number
31 76 986 Minimum Window Substring Interval List Intersections 34.6% 67.3% Hard Medium 1.7452444146734871 1.7606773319042146 https://leetcode.com/problems/minimum-window-substring https://leetcode.com/problems/interval-list-intersections
32 1428 76 Leftmost Column with at Least a One Minimum Window Substring 46.8% 34.6% Medium Hard 1.7410939458816417 1.7452444146734871 https://leetcode.com/problems/leftmost-column-with-at-least-a-one https://leetcode.com/problems/minimum-window-substring
33 398 1428 Random Pick Index Leftmost Column with at Least a One 56.0% 46.8% Medium Medium 1.739251464947996 1.7410939458816417 https://leetcode.com/problems/random-pick-index https://leetcode.com/problems/leftmost-column-with-at-least-a-one
34 938 398 Range Sum of BST Random Pick Index 81.3% 56.0% Easy Medium 1.7183278125336303 1.739251464947996 https://leetcode.com/problems/range-sum-of-bst https://leetcode.com/problems/random-pick-index
35 311 938 Sparse Matrix Multiplication Range Sum of BST 61.9% 81.3% Medium Easy 1.6183865180101145 1.7183278125336303 https://leetcode.com/problems/sparse-matrix-multiplication https://leetcode.com/problems/range-sum-of-bst
36 270 311 Closest Binary Search Tree Value Sparse Matrix Multiplication 48.5% 61.9% Easy Medium 1.586376093728572 1.6183865180101145 https://leetcode.com/problems/closest-binary-search-tree-value https://leetcode.com/problems/sparse-matrix-multiplication
37 689 270 Maximum Sum of 3 Non-Overlapping Subarrays Closest Binary Search Tree Value 46.3% 48.5% Hard Easy 1.5757403799369294 1.586376093728572 https://leetcode.com/problems/maximum-sum-of-3-non-overlapping-subarrays https://leetcode.com/problems/closest-binary-search-tree-value
38 56 689 Merge Intervals Maximum Sum of 3 Non-Overlapping Subarrays 39.3% 46.3% Medium Hard 1.5421333498120642 1.5757403799369294 https://leetcode.com/problems/merge-intervals https://leetcode.com/problems/maximum-sum-of-3-non-overlapping-subarrays
39 31 56 Next Permutation Merge Intervals 32.6% 39.3% Medium Medium 1.4952605643210366 1.5421333498120642 https://leetcode.com/problems/next-permutation https://leetcode.com/problems/merge-intervals
40 139 31 Word Break Next Permutation 40.1% 32.6% Medium Medium 1.4806418655886273 1.4952605643210366 https://leetcode.com/problems/word-break https://leetcode.com/problems/next-permutation
41 987 139 Vertical Order Traversal of a Binary Tree Word Break 36.6% 40.1% Medium Medium 1.4752728801959076 1.4806418655886273 https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree https://leetcode.com/problems/word-break
42 133 987 Clone Graph Vertical Order Traversal of a Binary Tree 34.8% 36.6% Medium Medium 1.4511392078839955 1.4752728801959076 https://leetcode.com/problems/clone-graph https://leetcode.com/problems/vertical-order-traversal-of-a-binary-tree
43 34 133 Find First and Last Position of Element in Sorted Array Clone Graph 36.2% 34.8% Medium Medium 1.4396247937745372 1.4511392078839955 https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array https://leetcode.com/problems/clone-graph
44 71 34 Simplify Path Find First and Last Position of Element in Sorted Array 32.6% 36.2% Medium Medium 1.4382022207219085 1.4396247937745372 https://leetcode.com/problems/simplify-path https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array
45 88 71 Merge Sorted Array Simplify Path 39.4% 32.6% Easy Medium 1.4313521714101423 1.4382022207219085 https://leetcode.com/problems/merge-sorted-array https://leetcode.com/problems/simplify-path
46 896 88 Monotonic Array Merge Sorted Array 57.9% 39.4% Easy Easy 1.4253001116063013 1.4313521714101423 https://leetcode.com/problems/monotonic-array https://leetcode.com/problems/merge-sorted-array
47 785 896 Is Graph Bipartite? Monotonic Array 47.5% 57.9% Medium Easy 1.4051826456400964 1.4253001116063013 https://leetcode.com/problems/is-graph-bipartite https://leetcode.com/problems/monotonic-array
48 721 785 Accounts Merge Is Graph Bipartite? 48.8% 47.5% Medium Medium 1.3810374792408489 1.4051826456400964 https://leetcode.com/problems/accounts-merge https://leetcode.com/problems/is-graph-bipartite
49 349 721 Intersection of Two Arrays Accounts Merge 62.5% 48.8% Easy Medium 1.3262693184793644 1.3810374792408489 https://leetcode.com/problems/intersection-of-two-arrays https://leetcode.com/problems/accounts-merge
50 29 349 Divide Two Integers Intersection of Two Arrays 16.4% 62.5% Medium Easy 1.3132705131849702 1.3262693184793644 https://leetcode.com/problems/divide-two-integers https://leetcode.com/problems/intersection-of-two-arrays
51 249 29 Group Shifted Strings Divide Two Integers 55.1% 16.4% Medium Medium 1.2602327507507307 1.3132705131849702 https://leetcode.com/problems/group-shifted-strings https://leetcode.com/problems/divide-two-integers
52 339 249 Nested List Weight Sum Group Shifted Strings 74.0% 55.1% Easy Medium 1.2338014599366327 1.2602327507507307 https://leetcode.com/problems/nested-list-weight-sum https://leetcode.com/problems/group-shifted-strings
53 314 339 Binary Tree Vertical Order Traversal Nested List Weight Sum 45.3% 74.0% Medium Easy 1.2247904974214212 1.2338014599366327 https://leetcode.com/problems/binary-tree-vertical-order-traversal https://leetcode.com/problems/nested-list-weight-sum
54 1060 314 Missing Element in Sorted Array Binary Tree Vertical Order Traversal 54.5% 45.3% Medium Medium 1.2015522948374056 1.2247904974214212 https://leetcode.com/problems/missing-element-in-sorted-array https://leetcode.com/problems/binary-tree-vertical-order-traversal
55 42 1060 Trapping Rain Water Missing Element in Sorted Array 48.9% 54.5% Hard Medium 1.195895799454225 1.2015522948374056 https://leetcode.com/problems/trapping-rain-water https://leetcode.com/problems/missing-element-in-sorted-array
56 767 42 Reorganize String Trapping Rain Water 48.7% 48.9% Medium Hard 1.182457868492389 1.195895799454225 https://leetcode.com/problems/reorganize-string https://leetcode.com/problems/trapping-rain-water
57 708 767 Insert into a Sorted Circular Linked List Reorganize String 31.6% 48.7% Medium Medium 1.172343257989845 1.182457868492389 https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list https://leetcode.com/problems/reorganize-string
58 958 708 Check Completeness of a Binary Tree Insert into a Sorted Circular Linked List 52.1% 31.6% Medium Medium 1.1632195643177228 1.172343257989845 https://leetcode.com/problems/check-completeness-of-a-binary-tree https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list
59 1197 958 Minimum Knight Moves Check Completeness of a Binary Tree 36.1% 52.1% Medium Medium 1.1562032194143523 1.1632195643177228 https://leetcode.com/problems/minimum-knight-moves https://leetcode.com/problems/check-completeness-of-a-binary-tree
60 236 1197 Lowest Common Ancestor of a Binary Tree Minimum Knight Moves 45.7% 36.1% Medium Medium 1.0938757493214366 1.1562032194143523 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree https://leetcode.com/problems/minimum-knight-moves
61 528 236 Random Pick with Weight Lowest Common Ancestor of a Binary Tree 43.9% 45.7% Medium Medium 1.0906112458600137 1.0938757493214366 https://leetcode.com/problems/random-pick-with-weight https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree
62 253 528 Meeting Rooms II Random Pick with Weight 45.7% 43.9% Medium Medium 1.0814304382893596 1.0906112458600137 https://leetcode.com/problems/meeting-rooms-ii https://leetcode.com/problems/random-pick-with-weight
63 380 253 Insert Delete GetRandom O(1) Meeting Rooms II 47.5% 45.7% Medium Medium 1.0764926440989369 1.0814304382893596 https://leetcode.com/problems/insert-delete-getrandom-o1 https://leetcode.com/problems/meeting-rooms-ii
64 670 380 Maximum Swap Insert Delete GetRandom O(1) 43.6% 47.5% Medium Medium 1.0650556866604306 1.0764926440989369 https://leetcode.com/problems/maximum-swap https://leetcode.com/problems/insert-delete-getrandom-o1
65 33 670 Search in Rotated Sorted Array Maximum Swap 34.5% 43.6% Medium Medium 1.0520357838367607 1.0650556866604306 https://leetcode.com/problems/search-in-rotated-sorted-array https://leetcode.com/problems/maximum-swap
66 766 33 Toeplitz Matrix Search in Rotated Sorted Array 65.1% 34.5% Easy Medium 0.9808292530117262 1.0520357838367607 https://leetcode.com/problems/toeplitz-matrix https://leetcode.com/problems/search-in-rotated-sorted-array
67 146 766 LRU Cache Toeplitz Matrix 33.2% 65.1% Medium Easy 0.980036431607266 0.9808292530117262 https://leetcode.com/problems/lru-cache https://leetcode.com/problems/toeplitz-matrix
68 825 146 Friends Of Appropriate Ages LRU Cache 42.7% 33.2% Medium Medium 0.9548282098825729 0.980036431607266 https://leetcode.com/problems/friends-of-appropriate-ages https://leetcode.com/problems/lru-cache
69 824 825 Goat Latin Friends Of Appropriate Ages 63.4% 42.7% Easy Medium 0.949028440149358 0.9548282098825729 https://leetcode.com/problems/goat-latin https://leetcode.com/problems/friends-of-appropriate-ages
70 498 824 Diagonal Traverse Goat Latin 48.2% 63.4% Medium Easy 0.9448109538225702 0.949028440149358 https://leetcode.com/problems/diagonal-traverse https://leetcode.com/problems/goat-latin
71 304 498 Range Sum Query 2D - Immutable Diagonal Traverse 38.6% 48.2% Medium Medium 0.9339964539142727 0.9448109538225702 https://leetcode.com/problems/range-sum-query-2d-immutable https://leetcode.com/problems/diagonal-traverse
72 227 304 Basic Calculator II Range Sum Query 2D - Immutable 36.9% 38.6% Medium Medium 0.9201510193402352 0.9339964539142727 https://leetcode.com/problems/basic-calculator-ii https://leetcode.com/problems/range-sum-query-2d-immutable
73 286 227 Walls and Gates Basic Calculator II 54.5% 36.9% Medium Medium 0.9182875611040503 0.9201510193402352 https://leetcode.com/problems/walls-and-gates https://leetcode.com/problems/basic-calculator-ii
74 98 286 Validate Binary Search Tree Walls and Gates 27.8% 54.5% Medium Medium 0.9132791260666902 0.9182875611040503 https://leetcode.com/problems/validate-binary-search-tree https://leetcode.com/problems/walls-and-gates
75 138 98 Copy List with Random Pointer Validate Binary Search Tree 36.4% 27.8% Medium Medium 0.9130873453663271 0.9132791260666902 https://leetcode.com/problems/copy-list-with-random-pointer https://leetcode.com/problems/validate-binary-search-tree
76 43 138 Multiply Strings Copy List with Random Pointer 33.9% 36.4% Medium Medium 0.8901363256144234 0.9130873453663271 https://leetcode.com/problems/multiply-strings https://leetcode.com/problems/copy-list-with-random-pointer
77 616 43 Add Bold Tag in String Multiply Strings 43.1% 33.9% Medium Medium 0.8724465334959766 0.8901363256144234 https://leetcode.com/problems/add-bold-tag-in-string https://leetcode.com/problems/multiply-strings
78 921 616 Minimum Add to Make Parentheses Valid Add Bold Tag in String 73.7% 43.1% Medium Medium 0.869631484642747 0.8724465334959766 https://leetcode.com/problems/minimum-add-to-make-parentheses-valid https://leetcode.com/problems/add-bold-tag-in-string
79 1123 921 Lowest Common Ancestor of Deepest Leaves Minimum Add to Make Parentheses Valid 66.8% 73.7% Medium Medium 0.8548064280870838 0.869631484642747 https://leetcode.com/problems/lowest-common-ancestor-of-deepest-leaves https://leetcode.com/problems/minimum-add-to-make-parentheses-valid
80 1026 1123 Maximum Difference Between Node and Ancestor Lowest Common Ancestor of Deepest Leaves 66.0% 66.8% Medium Medium 0.8326883967450455 0.8548064280870838 https://leetcode.com/problems/maximum-difference-between-node-and-ancestor https://leetcode.com/problems/lowest-common-ancestor-of-deepest-leaves
81 621 1026 Task Scheduler Maximum Difference Between Node and Ancestor 50.1% 66.0% Medium Medium 0.830630807901992 0.8326883967450455 https://leetcode.com/problems/task-scheduler https://leetcode.com/problems/maximum-difference-between-node-and-ancestor
82 200 621 Number of Islands Task Scheduler 46.8% 50.1% Medium Medium 0.8225189427311105 0.830630807901992 https://leetcode.com/problems/number-of-islands https://leetcode.com/problems/task-scheduler
83 1216 200 Valid Palindrome III Number of Islands 47.8% 46.8% Hard Medium 0.8187244879431477 0.8225189427311105 https://leetcode.com/problems/valid-palindrome-iii https://leetcode.com/problems/number-of-islands
84 863 1216 All Nodes Distance K in Binary Tree Valid Palindrome III 55.4% 47.8% Medium Hard 0.8044965676039516 0.8187244879431477 https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree https://leetcode.com/problems/valid-palindrome-iii
85 109 863 Convert Sorted List to Binary Search Tree All Nodes Distance K in Binary Tree 47.7% 55.4% Medium Medium 0.778490500448878 0.8044965676039516 https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree https://leetcode.com/problems/all-nodes-distance-k-in-binary-tree
86 317 109 Shortest Distance from All Buildings Convert Sorted List to Binary Search Tree 41.4% 47.7% Hard Medium 0.7748252115742125 0.778490500448878 https://leetcode.com/problems/shortest-distance-from-all-buildings https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree
87 419 317 Battleships in a Board Shortest Distance from All Buildings 70.0% 41.4% Medium Hard 0.734450986701181 0.7748252115742125 https://leetcode.com/problems/battleships-in-a-board https://leetcode.com/problems/shortest-distance-from-all-buildings
88 246 419 Strobogrammatic Number Battleships in a Board 45.0% 70.0% Easy Medium 0.6935606599952345 0.734450986701181 https://leetcode.com/problems/strobogrammatic-number https://leetcode.com/problems/battleships-in-a-board
89 247 246 Strobogrammatic Number II Strobogrammatic Number 47.6% 45.0% Medium Easy 0.6864254931685857 0.6935606599952345 https://leetcode.com/problems/strobogrammatic-number-ii https://leetcode.com/problems/strobogrammatic-number
90 143 247 Reorder List Strobogrammatic Number II 37.1% 47.6% Medium Medium 0.6644936178538985 0.6864254931685857 https://leetcode.com/problems/reorder-list https://leetcode.com/problems/strobogrammatic-number-ii
91 658 143 Find K Closest Elements Reorder List 40.9% 37.1% Medium Medium 0.6638270433029843 0.6644936178538985 https://leetcode.com/problems/find-k-closest-elements https://leetcode.com/problems/reorder-list
92 157 658 Read N Characters Given Read4 Find K Closest Elements 34.2% 40.9% Easy Medium 0.6437780586849429 0.6638270433029843 https://leetcode.com/problems/read-n-characters-given-read4 https://leetcode.com/problems/find-k-closest-elements
93 839 157 Similar String Groups Read N Characters Given Read4 38.6% 34.2% Hard Easy 0.6425949013971141 0.6437780586849429 https://leetcode.com/problems/similar-string-groups https://leetcode.com/problems/read-n-characters-given-read4
94 432 839 All O`one Data Structure Similar String Groups 32.4% 38.6% Hard Hard 0.6277764653542548 0.6425949013971141 https://leetcode.com/problems/all-oone-data-structure https://leetcode.com/problems/similar-string-groups
95 480 432 Sliding Window Median All O`one Data Structure 37.2% 32.4% Hard Hard 0.6193030606504982 0.6277764653542548 https://leetcode.com/problems/sliding-window-median https://leetcode.com/problems/all-oone-data-structure
96 162 480 Find Peak Element Sliding Window Median 43.3% 37.2% Medium Hard 0.6111183749147795 0.6193030606504982 https://leetcode.com/problems/find-peak-element https://leetcode.com/problems/sliding-window-median
97 10 162 Regular Expression Matching Find Peak Element 26.8% 43.3% Hard Medium 0.5850984373117593 0.6111183749147795 https://leetcode.com/problems/regular-expression-matching https://leetcode.com/problems/find-peak-element
98 463 10 Island Perimeter Regular Expression Matching 65.7% 26.8% Easy Hard 0.5846665375658754 0.5850984373117593 https://leetcode.com/problems/island-perimeter https://leetcode.com/problems/regular-expression-matching
99 1004 463 Max Consecutive Ones III Island Perimeter 59.1% 65.7% Medium Easy 0.5826782301065547 0.5846665375658754 https://leetcode.com/problems/max-consecutive-ones-iii https://leetcode.com/problems/island-perimeter
100 126 1004 Word Ladder II Max Consecutive Ones III 22.1% 59.1% Hard Medium 0.5693600008081126 0.5826782301065547 https://leetcode.com/problems/word-ladder-ii https://leetcode.com/problems/max-consecutive-ones-iii
101 277 126 Find the Celebrity Word Ladder II 41.8% 22.1% Medium Hard 0.5616591289700842 0.5693600008081126 https://leetcode.com/problems/find-the-celebrity https://leetcode.com/problems/word-ladder-ii
102 452 277 Minimum Number of Arrows to Burst Balloons Find the Celebrity 49.6% 41.8% Medium Medium 0.5584397574369148 0.5616591289700842 https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons https://leetcode.com/problems/find-the-celebrity
103 22 452 Generate Parentheses Minimum Number of Arrows to Burst Balloons 62.7% 49.6% Medium Medium 0.553101106914229 0.5584397574369148 https://leetcode.com/problems/generate-parentheses https://leetcode.com/problems/minimum-number-of-arrows-to-burst-balloons
104 494 22 Target Sum Generate Parentheses 46.3% 62.7% Medium Medium 0.537605099367259 0.553101106914229 https://leetcode.com/problems/target-sum https://leetcode.com/problems/generate-parentheses
105 865 494 Smallest Subtree with all the Deepest Nodes Target Sum 60.8% 46.3% Medium Medium 0.5360733767570822 0.537605099367259 https://leetcode.com/problems/smallest-subtree-with-all-the-deepest-nodes https://leetcode.com/problems/target-sum
106 647 865 Palindromic Substrings Smallest Subtree with all the Deepest Nodes 60.6% 60.8% Medium Medium 0.5122882232745292 0.5360733767570822 https://leetcode.com/problems/palindromic-substrings https://leetcode.com/problems/smallest-subtree-with-all-the-deepest-nodes
107 378 647 Kth Smallest Element in a Sorted Matrix Palindromic Substrings 54.3% 60.6% Medium Medium 0.5057807371350349 0.5122882232745292 https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix https://leetcode.com/problems/palindromic-substrings
108 1094 378 Car Pooling Kth Smallest Element in a Sorted Matrix 56.7% 54.3% Medium Medium 0.5042466526679481 0.5057807371350349 https://leetcode.com/problems/car-pooling https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix
109 15 1094 3Sum Car Pooling 26.8% 56.7% Medium Medium 0.4923847546019265 0.5042466526679481 https://leetcode.com/problems/3sum https://leetcode.com/problems/car-pooling
110 1027 15 Longest Arithmetic Sequence 3Sum 53.4% 26.8% Medium Medium 0.48432368302048406 0.4923847546019265 https://leetcode.com/problems/longest-arithmetic-sequence https://leetcode.com/problems/3sum
111 348 1027 Design Tic-Tac-Toe Longest Arithmetic Sequence 54.3% 53.4% Medium Medium 0.47793775692115553 0.48432368302048406 https://leetcode.com/problems/design-tic-tac-toe https://leetcode.com/problems/longest-arithmetic-sequence
112 140 348 Word Break II Design Tic-Tac-Toe 32.6% 54.3% Hard Medium 0.4761853504191846 0.47793775692115553 https://leetcode.com/problems/word-break-ii https://leetcode.com/problems/design-tic-tac-toe
113 93 140 Restore IP Addresses Word Break II 35.6% 32.6% Medium Hard 0.47237108409270245 0.4761853504191846 https://leetcode.com/problems/restore-ip-addresses https://leetcode.com/problems/word-break-ii
114 772 93 Basic Calculator III Restore IP Addresses 41.3% 35.6% Hard Medium 0.462623521948113 0.47237108409270245 https://leetcode.com/problems/basic-calculator-iii https://leetcode.com/problems/restore-ip-addresses
115 540 772 Single Element in a Sorted Array Basic Calculator III 57.9% 41.3% Medium Hard 0.46172503314573243 0.462623521948113 https://leetcode.com/problems/single-element-in-a-sorted-array https://leetcode.com/problems/basic-calculator-iii
116 1213 540 Intersection of Three Sorted Arrays Single Element in a Sorted Array 78.9% 57.9% Easy Medium 0.45778473187961194 0.46172503314573243 https://leetcode.com/problems/intersection-of-three-sorted-arrays https://leetcode.com/problems/single-element-in-a-sorted-array
117 1269 1213 Number of Ways to Stay in the Same Place After Some Steps Intersection of Three Sorted Arrays 43.2% 78.9% Hard Easy 0.4557571315683002 0.45778473187961194 https://leetcode.com/problems/number-of-ways-to-stay-in-the-same-place-after-some-steps https://leetcode.com/problems/intersection-of-three-sorted-arrays
118 329 1269 Longest Increasing Path in a Matrix Number of Ways to Stay in the Same Place After Some Steps 43.4% 43.2% Hard Hard 0.4510648782793416 0.4557571315683002 https://leetcode.com/problems/longest-increasing-path-in-a-matrix https://leetcode.com/problems/number-of-ways-to-stay-in-the-same-place-after-some-steps
119 529 329 Minesweeper Longest Increasing Path in a Matrix 59.1% 43.4% Medium Hard 0.4410244101446512 0.4510648782793416 https://leetcode.com/problems/minesweeper https://leetcode.com/problems/longest-increasing-path-in-a-matrix
120 91 529 Decode Ways Minesweeper 24.7% 59.1% Medium Medium 0.43194955048493294 0.4410244101446512 https://leetcode.com/problems/decode-ways https://leetcode.com/problems/minesweeper
121 490 91 The Maze Decode Ways 51.4% 24.7% Medium Medium 0.4296321995074925 0.43194955048493294 https://leetcode.com/problems/the-maze https://leetcode.com/problems/decode-ways
122 1 490 Two Sum The Maze 45.6% 51.4% Easy Medium 0.42776342069905027 0.4296321995074925 https://leetcode.com/problems/two-sum https://leetcode.com/problems/the-maze
123 50 1 Pow(x;n) Two Sum 30.3% 45.6% Medium Easy 0.4274653596092084 0.42776342069905027 https://leetcode.com/problems/powx-n https://leetcode.com/problems/two-sum
124 224 50 Basic Calculator Pow(x;n) 36.8% 30.3% Hard Medium 0.42504615330727086 0.4274653596092084 https://leetcode.com/problems/basic-calculator https://leetcode.com/problems/powx-n
125 1233 224 Remove Sub-Folders from the Filesystem Basic Calculator 59.5% 36.8% Medium Hard 0.4243747624654565 0.42504615330727086 https://leetcode.com/problems/remove-sub-folders-from-the-filesystem https://leetcode.com/problems/basic-calculator
126 350 1233 Intersection of Two Arrays II Remove Sub-Folders from the Filesystem 51.4% 59.5% Easy Medium 0.42028659580670896 0.4243747624654565 https://leetcode.com/problems/intersection-of-two-arrays-ii https://leetcode.com/problems/remove-sub-folders-from-the-filesystem
127 257 350 Binary Tree Paths Intersection of Two Arrays II 51.5% 51.4% Easy Easy 0.4154891624073732 0.42028659580670896 https://leetcode.com/problems/binary-tree-paths https://leetcode.com/problems/intersection-of-two-arrays-ii
128 8 257 String to Integer (atoi) Binary Tree Paths 15.4% 51.5% Medium Easy 0.407141925712164 0.4154891624073732 https://leetcode.com/problems/string-to-integer-atoi https://leetcode.com/problems/binary-tree-paths
129 163 8 Missing Ranges String to Integer (atoi) 24.3% 15.4% Medium Medium 0.4067714440222198 0.407141925712164 https://leetcode.com/problems/missing-ranges https://leetcode.com/problems/string-to-integer-atoi
130 568 163 Maximum Vacation Days Missing Ranges 40.8% 24.3% Hard Medium 0.4036217896138752 0.4067714440222198 https://leetcode.com/problems/maximum-vacation-days https://leetcode.com/problems/missing-ranges
131 364 568 Nested List Weight Sum II Maximum Vacation Days 62.8% 40.8% Medium Hard 0.3968580334554196 0.4036217896138752 https://leetcode.com/problems/nested-list-weight-sum-ii https://leetcode.com/problems/maximum-vacation-days
132 791 364 Custom Sort String Nested List Weight Sum II 65.7% 62.8% Medium Medium 0.3900345348815187 0.3968580334554196 https://leetcode.com/problems/custom-sort-string https://leetcode.com/problems/nested-list-weight-sum-ii
133 939 791 Minimum Area Rectangle Custom Sort String 51.8% 65.7% Medium Medium 0.3885265923801231 0.3900345348815187 https://leetcode.com/problems/minimum-area-rectangle https://leetcode.com/problems/custom-sort-string
134 678 939 Valid Parenthesis String Minimum Area Rectangle 31.0% 51.8% Medium Medium 0.38202577837362234 0.3885265923801231 https://leetcode.com/problems/valid-parenthesis-string https://leetcode.com/problems/minimum-area-rectangle
135 934 678 Shortest Bridge Valid Parenthesis String 48.2% 31.0% Medium Medium 0.3715318913226816 0.38202577837362234 https://leetcode.com/problems/shortest-bridge https://leetcode.com/problems/valid-parenthesis-string
136 121 934 Best Time to Buy and Sell Stock Shortest Bridge 50.5% 48.2% Easy Medium 0.3695140839999301 0.3715318913226816 https://leetcode.com/problems/best-time-to-buy-and-sell-stock https://leetcode.com/problems/shortest-bridge
137 114 121 Flatten Binary Tree to Linked List Best Time to Buy and Sell Stock 49.3% 50.5% Medium Easy 0.3666595336863693 0.3695140839999301 https://leetcode.com/problems/flatten-binary-tree-to-linked-list https://leetcode.com/problems/best-time-to-buy-and-sell-stock
138 408 114 Valid Word Abbreviation Flatten Binary Tree to Linked List 30.6% 49.3% Easy Medium 0.36101334553733055 0.3666595336863693 https://leetcode.com/problems/valid-word-abbreviation https://leetcode.com/problems/flatten-binary-tree-to-linked-list
139 127 408 Word Ladder Valid Word Abbreviation 29.6% 30.6% Medium Easy 0.35996786713577755 0.36101334553733055 https://leetcode.com/problems/word-ladder https://leetcode.com/problems/valid-word-abbreviation
140 855 127 Exam Room Word Ladder 43.1% 29.6% Medium Medium 0.34442921752179523 0.35996786713577755 https://leetcode.com/problems/exam-room https://leetcode.com/problems/word-ladder
141 341 855 Flatten Nested List Iterator Exam Room 52.9% 43.1% Medium Medium 0.3426517489923298 0.34442921752179523 https://leetcode.com/problems/flatten-nested-list-iterator https://leetcode.com/problems/exam-room
142 78 341 Subsets Flatten Nested List Iterator 62.0% 52.9% Medium Medium 0.34168366615845647 0.3426517489923298 https://leetcode.com/problems/subsets https://leetcode.com/problems/flatten-nested-list-iterator
143 963 78 Minimum Area Rectangle II Subsets 50.9% 62.0% Medium Medium 0.3416302106614813 0.34168366615845647 https://leetcode.com/problems/minimum-area-rectangle-ii https://leetcode.com/problems/subsets
144 400 963 Nth Digit Minimum Area Rectangle II 31.7% 50.9% Medium Medium 0.33647223662121295 0.3416302106614813 https://leetcode.com/problems/nth-digit https://leetcode.com/problems/minimum-area-rectangle-ii
145 3 400 Longest Substring Without Repeating Characters Nth Digit 30.4% 31.7% Medium Medium 0.33543751206600453 0.33647223662121295 https://leetcode.com/problems/longest-substring-without-repeating-characters https://leetcode.com/problems/nth-digit
146 333 3 Largest BST Subtree Longest Substring Without Repeating Characters 35.8% 30.4% Medium Medium 0.32931497055013925 0.33543751206600453 https://leetcode.com/problems/largest-bst-subtree https://leetcode.com/problems/longest-substring-without-repeating-characters
147 827 333 Making A Large Island Largest BST Subtree 45.7% 35.8% Hard Medium 0.32879599515977564 0.32931497055013925 https://leetcode.com/problems/making-a-large-island https://leetcode.com/problems/largest-bst-subtree
148 695 827 Max Area of Island Making A Large Island 62.7% 45.7% Medium Hard 0.32657434158263016 0.32879599515977564 https://leetcode.com/problems/max-area-of-island https://leetcode.com/problems/making-a-large-island
149 266 695 Palindrome Permutation Max Area of Island 61.9% 62.7% Easy Medium 0.32365154819215153 0.32657434158263016 https://leetcode.com/problems/palindrome-permutation https://leetcode.com/problems/max-area-of-island
150 381 266 Insert Delete GetRandom O(1) - Duplicates allowed Palindrome Permutation 34.1% 61.9% Hard Easy 0.32306557634109756 0.32365154819215153 https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed https://leetcode.com/problems/palindrome-permutation
151 844 381 Backspace String Compare Insert Delete GetRandom O(1) - Duplicates allowed 46.4% 34.1% Easy Hard 0.32306557634109756 0.32306557634109756 https://leetcode.com/problems/backspace-string-compare https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed
152 692 844 Top K Frequent Words Backspace String Compare 51.8% 46.4% Medium Easy 0.31457116512531025 0.32306557634109756 https://leetcode.com/problems/top-k-frequent-words https://leetcode.com/problems/backspace-string-compare
153 549 692 Binary Tree Longest Consecutive Sequence II Top K Frequent Words 47.0% 51.8% Medium Medium 0.31383478526224007 0.31457116512531025 https://leetcode.com/problems/binary-tree-longest-consecutive-sequence-ii https://leetcode.com/problems/top-k-frequent-words
154 1242 549 Web Crawler Multithreaded Binary Tree Longest Consecutive Sequence II 45.9% 47.0% Medium Medium 0.30961714931803663 0.31383478526224007 https://leetcode.com/problems/web-crawler-multithreaded https://leetcode.com/problems/binary-tree-longest-consecutive-sequence-ii
155 207 1242 Course Schedule Web Crawler Multithreaded 43.1% 45.9% Medium Medium 0.3071480068014249 0.30961714931803663 https://leetcode.com/problems/course-schedule https://leetcode.com/problems/web-crawler-multithreaded
156 536 207 Construct Binary Tree from String Course Schedule 48.3% 43.1% Medium Medium 0.303629619668917 0.3071480068014249 https://leetcode.com/problems/construct-binary-tree-from-string https://leetcode.com/problems/course-schedule
157 1245 536 Tree Diameter Construct Binary Tree from String 60.1% 48.3% Medium Medium 0.29849298855599654 0.303629619668917 https://leetcode.com/problems/tree-diameter https://leetcode.com/problems/construct-binary-tree-from-string
158 332 1245 Reconstruct Itinerary Tree Diameter 36.7% 60.1% Medium Medium 0.29733066556761284 0.29849298855599654 https://leetcode.com/problems/reconstruct-itinerary https://leetcode.com/problems/tree-diameter
159 936 332 Stamping The Sequence Reconstruct Itinerary 42.8% 36.7% Hard Medium 0.2972515234679316 0.29733066556761284 https://leetcode.com/problems/stamping-the-sequence https://leetcode.com/problems/reconstruct-itinerary
160 161 936 One Edit Distance Stamping The Sequence 32.3% 42.8% Medium Hard 0.28698931177288023 0.2972515234679316 https://leetcode.com/problems/one-edit-distance https://leetcode.com/problems/stamping-the-sequence
161 875 161 Koko Eating Bananas One Edit Distance 52.1% 32.3% Medium Medium 0.28493103907989104 0.28698931177288023 https://leetcode.com/problems/koko-eating-bananas https://leetcode.com/problems/one-edit-distance
162 32 875 Longest Valid Parentheses Koko Eating Bananas 28.4% 52.1% Hard Medium 0.28481756175632106 0.28493103907989104 https://leetcode.com/problems/longest-valid-parentheses https://leetcode.com/problems/koko-eating-bananas
163 1424 32 Diagonal Traverse II Longest Valid Parentheses 42.4% 28.4% Medium Hard 0.28406186115878557 0.28481756175632106 https://leetcode.com/problems/diagonal-traverse-ii https://leetcode.com/problems/longest-valid-parentheses
164 166 1424 Fraction to Recurring Decimal Diagonal Traverse II 21.6% 42.4% Medium Medium 0.2819404298841057 0.28406186115878557 https://leetcode.com/problems/fraction-to-recurring-decimal https://leetcode.com/problems/diagonal-traverse-ii
165 548 166 Split Array with Equal Sum Fraction to Recurring Decimal 46.4% 21.6% Medium Medium 0.2761315220005779 0.2819404298841057 https://leetcode.com/problems/split-array-with-equal-sum https://leetcode.com/problems/fraction-to-recurring-decimal
166 92 548 Reverse Linked List II Split Array with Equal Sum 38.8% 46.4% Medium Medium 0.27542168553536034 0.2761315220005779 https://leetcode.com/problems/reverse-linked-list-ii https://leetcode.com/problems/split-array-with-equal-sum
167 977 92 Squares of a Sorted Array Reverse Linked List II 72.1% 38.8% Easy Medium 0.2744368457017603 0.27542168553536034 https://leetcode.com/problems/squares-of-a-sorted-array https://leetcode.com/problems/reverse-linked-list-ii
168 347 977 Top K Frequent Elements Squares of a Sorted Array 61.2% 72.1% Medium Easy 0.272004511442638 0.2744368457017603 https://leetcode.com/problems/top-k-frequent-elements https://leetcode.com/problems/squares-of-a-sorted-array
169 609 347 Find Duplicate File in System Top K Frequent Elements 59.5% 61.2% Medium Medium 0.25388017696233983 0.272004511442638 https://leetcode.com/problems/find-duplicate-file-in-system https://leetcode.com/problems/top-k-frequent-elements
170 111 609 Minimum Depth of Binary Tree Find Duplicate File in System 37.4% 59.5% Easy Medium 0.24735812724870243 0.25388017696233983 https://leetcode.com/problems/minimum-depth-of-binary-tree https://leetcode.com/problems/find-duplicate-file-in-system
171 622 111 Design Circular Queue Minimum Depth of Binary Tree 43.8% 37.4% Medium Easy 0.2454927324105261 0.24735812724870243 https://leetcode.com/problems/design-circular-queue https://leetcode.com/problems/minimum-depth-of-binary-tree
172 1032 622 Stream of Characters Design Circular Queue 48.3% 43.8% Hard Medium 0.24287879543594265 0.2454927324105261 https://leetcode.com/problems/stream-of-characters https://leetcode.com/problems/design-circular-queue
173 240 1032 Search a 2D Matrix II Stream of Characters 43.2% 48.3% Medium Hard 0.24218097481422138 0.24287879543594265 https://leetcode.com/problems/search-a-2d-matrix-ii https://leetcode.com/problems/stream-of-characters
174 57 240 Insert Interval Search a 2D Matrix II 33.5% 43.2% Hard Medium 0.23697938397356041 0.24218097481422138 https://leetcode.com/problems/insert-interval https://leetcode.com/problems/search-a-2d-matrix-ii
175 416 57 Partition Equal Subset Sum Insert Interval 43.7% 33.5% Medium Hard 0.23420537108328685 0.23697938397356041 https://leetcode.com/problems/partition-equal-subset-sum https://leetcode.com/problems/insert-interval
176 742 416 Closest Leaf in a Binary Tree Partition Equal Subset Sum 43.6% 43.7% Medium Medium 0.23361485118150516 0.23420537108328685 https://leetcode.com/problems/closest-leaf-in-a-binary-tree https://leetcode.com/problems/partition-equal-subset-sum
177 129 742 Sum Root to Leaf Numbers Closest Leaf in a Binary Tree 49.1% 43.6% Medium Medium 0.2308064240597789 0.23361485118150516 https://leetcode.com/problems/sum-root-to-leaf-numbers https://leetcode.com/problems/closest-leaf-in-a-binary-tree
178 334 129 Increasing Triplet Subsequence Sum Root to Leaf Numbers 40.0% 49.1% Medium Medium 0.23032129090902695 0.2308064240597789 https://leetcode.com/problems/increasing-triplet-subsequence https://leetcode.com/problems/sum-root-to-leaf-numbers
179 73 334 Set Matrix Zeroes Increasing Triplet Subsequence 43.1% 40.0% Medium Medium 0.22588530142358976 0.23032129090902695 https://leetcode.com/problems/set-matrix-zeroes https://leetcode.com/problems/increasing-triplet-subsequence
180 428 73 Serialize and Deserialize N-ary Tree Set Matrix Zeroes 59.4% 43.1% Hard Medium 0.22567199766756846 0.22588530142358976 https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree https://leetcode.com/problems/set-matrix-zeroes
181 2 428 Add Two Numbers Serialize and Deserialize N-ary Tree 33.9% 59.4% Medium Hard 0.21782267725557036 0.22567199766756846 https://leetcode.com/problems/add-two-numbers https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree
182 39 2 Combination Sum Add Two Numbers 56.1% 33.9% Medium Medium 0.21687574090953024 0.21782267725557036 https://leetcode.com/problems/combination-sum https://leetcode.com/problems/add-two-numbers
183 515 39 Find Largest Value in Each Tree Row Combination Sum 61.1% 56.1% Medium Medium 0.21199732494007123 0.21687574090953024 https://leetcode.com/problems/find-largest-value-in-each-tree-row https://leetcode.com/problems/combination-sum
184 283 515 Move Zeroes Find Largest Value in Each Tree Row 57.8% 61.1% Easy Medium 0.21030412725932263 0.21199732494007123 https://leetcode.com/problems/move-zeroes https://leetcode.com/problems/find-largest-value-in-each-tree-row
185 117 283 Populating Next Right Pointers in Each Node II Move Zeroes 39.1% 57.8% Medium Easy 0.20860539286818253 0.21030412725932263 https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii https://leetcode.com/problems/move-zeroes
186 20 117 Valid Parentheses Populating Next Right Pointers in Each Node II 39.0% 39.1% Easy Medium 0.20727582199587388 0.20860539286818253 https://leetcode.com/problems/valid-parentheses https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii
187 983 20 Minimum Cost For Tickets Valid Parentheses 60.5% 39.0% Medium Easy 0.2028261131996316 0.20727582199587388 https://leetcode.com/problems/minimum-cost-for-tickets https://leetcode.com/problems/valid-parentheses
188 19 983 Remove Nth Node From End of List Minimum Cost For Tickets 35.2% 60.5% Medium Medium 0.20099276793124013 0.2028261131996316 https://leetcode.com/problems/remove-nth-node-from-end-of-list https://leetcode.com/problems/minimum-cost-for-tickets
189 352 19 Data Stream as Disjoint Intervals Remove Nth Node From End of List 47.3% 35.2% Hard Medium 0.1980128865886302 0.20099276793124013 https://leetcode.com/problems/data-stream-as-disjoint-intervals https://leetcode.com/problems/remove-nth-node-from-end-of-list
190 637 352 Average of Levels in Binary Tree Data Stream as Disjoint Intervals 63.1% 47.3% Easy Hard 0.1972664368553499 0.1980128865886302 https://leetcode.com/problems/average-of-levels-in-binary-tree https://leetcode.com/problems/data-stream-as-disjoint-intervals
191 214 637 Shortest Palindrome Average of Levels in Binary Tree 29.8% 63.1% Hard Easy 0.19671029424605424 0.1972664368553499 https://leetcode.com/problems/shortest-palindrome https://leetcode.com/problems/average-of-levels-in-binary-tree
192 53 214 Maximum Subarray Shortest Palindrome 46.5% 29.8% Easy Hard 0.19634219774637035 0.19671029424605424 https://leetcode.com/problems/maximum-subarray https://leetcode.com/problems/shortest-palindrome
193 272 53 Closest Binary Search Tree Value II Maximum Subarray 50.5% 46.5% Hard Easy 0.1920777317393193 0.19634219774637035 https://leetcode.com/problems/closest-binary-search-tree-value-ii https://leetcode.com/problems/maximum-subarray
194 75 272 Sort Colors Closest Binary Search Tree Value II 47.3% 50.5% Medium Hard 0.19182745017125022 0.1920777317393193 https://leetcode.com/problems/sort-colors https://leetcode.com/problems/closest-binary-search-tree-value-ii
195 358 75 Rearrange String k Distance Apart Sort Colors 34.9% 47.3% Hard Medium 0.19004360288786493 0.19182745017125022 https://leetcode.com/problems/rearrange-string-k-distance-apart https://leetcode.com/problems/sort-colors
196 5 358 Longest Palindromic Substring Rearrange String k Distance Apart 29.5% 34.9% Medium Hard 0.18726302339313927 0.19004360288786493 https://leetcode.com/problems/longest-palindromic-substring https://leetcode.com/problems/rearrange-string-k-distance-apart
197 969 5 Pancake Sorting Longest Palindromic Substring 67.5% 29.5% Medium Medium 0.18336922582639836 0.18726302339313927 https://leetcode.com/problems/pancake-sorting https://leetcode.com/problems/longest-palindromic-substring
198 1091 969 Shortest Path in Binary Matrix Pancake Sorting 38.2% 67.5% Medium Medium 0.18312509239363786 0.18336922582639836 https://leetcode.com/problems/shortest-path-in-binary-matrix https://leetcode.com/problems/pancake-sorting
199 323 1091 Number of Connected Components in an Undirected Graph Shortest Path in Binary Matrix 56.0% 38.2% Medium Medium 0.18178978331691914 0.18312509239363786 https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph https://leetcode.com/problems/shortest-path-in-binary-matrix
200 759 323 Employee Free Time Number of Connected Components in an Undirected Graph 66.3% 56.0% Hard Medium 0.1816986978513639 0.18178978331691914 https://leetcode.com/problems/employee-free-time https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph
201 388 759 Longest Absolute File Path Employee Free Time 41.8% 66.3% Medium Hard 0.18128582392042256 0.1816986978513639 https://leetcode.com/problems/longest-absolute-file-path https://leetcode.com/problems/employee-free-time
202 40 388 Combination Sum II Longest Absolute File Path 48.2% 41.8% Medium Medium 0.1780616138489939 0.18128582392042256 https://leetcode.com/problems/combination-sum-ii https://leetcode.com/problems/longest-absolute-file-path
203 336 40 Palindrome Pairs Combination Sum II 33.7% 48.2% Hard Medium 0.17569702187832992 0.1780616138489939 https://leetcode.com/problems/palindrome-pairs https://leetcode.com/problems/combination-sum-ii
204 319 336 Bulb Switcher Palindrome Pairs 45.4% 33.7% Medium Hard 0.1734438827619372 0.17569702187832992 https://leetcode.com/problems/bulb-switcher https://leetcode.com/problems/palindrome-pairs
205 567 319 Permutation in String Bulb Switcher 44.4% 45.4% Medium Medium 0.16931057302189864 0.1734438827619372 https://leetcode.com/problems/permutation-in-string https://leetcode.com/problems/bulb-switcher
206 116 567 Populating Next Right Pointers in Each Node Permutation in String 45.2% 44.4% Medium Medium 0.16897814162027025 0.16931057302189864 https://leetcode.com/problems/populating-next-right-pointers-in-each-node https://leetcode.com/problems/permutation-in-string
207 325 116 Maximum Size Subarray Sum Equals k Populating Next Right Pointers in Each Node 46.8% 45.2% Medium Medium 0.16882086957505205 0.16897814162027025 https://leetcode.com/problems/maximum-size-subarray-sum-equals-k https://leetcode.com/problems/populating-next-right-pointers-in-each-node
208 102 325 Binary Tree Level Order Traversal Maximum Size Subarray Sum Equals k 54.6% 46.8% Medium Medium 0.16435828678782985 0.16882086957505205 https://leetcode.com/problems/binary-tree-level-order-traversal https://leetcode.com/problems/maximum-size-subarray-sum-equals-k
209 46 102 Permutations Binary Tree Level Order Traversal 63.5% 54.6% Medium Medium 0.16425503646428852 0.16435828678782985 https://leetcode.com/problems/permutations https://leetcode.com/problems/binary-tree-level-order-traversal
210 280 46 Wiggle Sort Permutations 63.8% 63.5% Medium Medium 0.16413412381144152 0.16425503646428852 https://leetcode.com/problems/wiggle-sort https://leetcode.com/problems/permutations
211 242 280 Valid Anagram Wiggle Sort 56.9% 63.8% Easy Medium 0.1620140669319784 0.16413412381144152 https://leetcode.com/problems/valid-anagram https://leetcode.com/problems/wiggle-sort
212 724 242 Find Pivot Index Valid Anagram 44.0% 56.9% Easy Easy 0.15773063591797515 0.1620140669319784 https://leetcode.com/problems/find-pivot-index https://leetcode.com/problems/valid-anagram
213 676 724 Implement Magic Dictionary Find Pivot Index 54.5% 44.0% Medium Easy 0.15104025741286586 0.15773063591797515 https://leetcode.com/problems/implement-magic-dictionary https://leetcode.com/problems/find-pivot-index
214 230 676 Kth Smallest Element in a BST Implement Magic Dictionary 60.2% 54.5% Medium Medium 0.1474770794572995 0.15104025741286586 https://leetcode.com/problems/kth-smallest-element-in-a-bst https://leetcode.com/problems/implement-magic-dictionary
215 328 230 Odd Even Linked List Kth Smallest Element in a BST 55.7% 60.2% Medium Medium 0.14442996827561513 0.1474770794572995 https://leetcode.com/problems/odd-even-linked-list https://leetcode.com/problems/kth-smallest-element-in-a-bst
216 74 328 Search a 2D Matrix Odd Even Linked List 36.5% 55.7% Medium Medium 0.13990475142949543 0.14442996827561513 https://leetcode.com/problems/search-a-2d-matrix https://leetcode.com/problems/odd-even-linked-list
217 160 74 Intersection of Two Linked Lists Search a 2D Matrix 40.6% 36.5% Easy Medium 0.13857026686146906 0.13990475142949543 https://leetcode.com/problems/intersection-of-two-linked-lists https://leetcode.com/problems/search-a-2d-matrix
218 1209 160 Remove All Adjacent Duplicates in String II Intersection of Two Linked Lists 56.9% 40.6% Medium Easy 0.13712574822724946 0.13857026686146906 https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii https://leetcode.com/problems/intersection-of-two-linked-lists
219 295 1209 Find Median from Data Stream Remove All Adjacent Duplicates in String II 44.3% 56.9% Hard Medium 0.13508385924075386 0.13712574822724946 https://leetcode.com/problems/find-median-from-data-stream https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii
220 442 295 Find All Duplicates in an Array Find Median from Data Stream 67.8% 44.3% Medium Hard 0.13441180353979212 0.13508385924075386 https://leetcode.com/problems/find-all-duplicates-in-an-array https://leetcode.com/problems/find-median-from-data-stream
221 449 442 Serialize and Deserialize BST Find All Duplicates in an Array 52.0% 67.8% Medium Medium 0.1327502812764459 0.13441180353979212 https://leetcode.com/problems/serialize-and-deserialize-bst https://leetcode.com/problems/find-all-duplicates-in-an-array
222 730 449 Count Different Palindromic Subsequences Serialize and Deserialize BST 41.8% 52.0% Hard Medium 0.13133600206108695 0.1327502812764459 https://leetcode.com/problems/count-different-palindromic-subsequences https://leetcode.com/problems/serialize-and-deserialize-bst
223 305 730 Number of Islands II Count Different Palindromic Subsequences 40.1% 41.8% Hard Hard 0.1304306149462744 0.13133600206108695 https://leetcode.com/problems/number-of-islands-ii https://leetcode.com/problems/count-different-palindromic-subsequences
224 885 305 Spiral Matrix III Number of Islands II 69.4% 40.1% Medium Hard 0.1271551754852466 0.1304306149462744 https://leetcode.com/problems/spiral-matrix-iii https://leetcode.com/problems/number-of-islands-ii
225 54 885 Spiral Matrix Spiral Matrix III 34.1% 69.4% Medium Medium 0.12572728493821236 0.1271551754852466 https://leetcode.com/problems/spiral-matrix https://leetcode.com/problems/spiral-matrix-iii
226 694 54 Number of Distinct Islands Spiral Matrix 56.0% 34.1% Medium Medium 0.12516314295400602 0.12572728493821236 https://leetcode.com/problems/number-of-distinct-islands https://leetcode.com/problems/spiral-matrix
227 1146 694 Snapshot Array Number of Distinct Islands 37.0% 56.0% Medium Medium 0.12154546954921416 0.12516314295400602 https://leetcode.com/problems/snapshot-array https://leetcode.com/problems/number-of-distinct-islands
228 1439 1146 Find the Kth Smallest Sum of a Matrix With Sorted Rows Snapshot Array 59.5% 37.0% Hard Medium 0.11918851726511835 0.12154546954921416 https://leetcode.com/problems/find-the-kth-smallest-sum-of-a-matrix-with-sorted-rows https://leetcode.com/problems/snapshot-array
229 284 1439 Peeking Iterator Find the Kth Smallest Sum of a Matrix With Sorted Rows 45.7% 59.5% Medium Hard 0.11901099827011974 0.11918851726511835 https://leetcode.com/problems/peeking-iterator https://leetcode.com/problems/find-the-kth-smallest-sum-of-a-matrix-with-sorted-rows
230 776 284 Split BST Peeking Iterator 55.8% 45.7% Medium Medium 0.11641035184441127 0.11901099827011974 https://leetcode.com/problems/split-bst https://leetcode.com/problems/peeking-iterator
231 435 776 Non-overlapping Intervals Split BST 42.9% 55.8% Medium Medium 0.1158164666843426 0.11641035184441127 https://leetcode.com/problems/non-overlapping-intervals https://leetcode.com/problems/split-bst
232 1275 435 Find Winner on a Tic Tac Toe Game Non-overlapping Intervals 52.8% 42.9% Easy Medium 0.11536465479210183 0.1158164666843426 https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game https://leetcode.com/problems/non-overlapping-intervals
233 212 1275 Word Search II Find Winner on a Tic Tac Toe Game 34.9% 52.8% Hard Easy 0.11439698130007839 0.11536465479210183 https://leetcode.com/problems/word-search-ii https://leetcode.com/problems/find-winner-on-a-tic-tac-toe-game
234 674 212 Longest Continuous Increasing Subsequence Word Search II 45.9% 34.9% Easy Hard 0.11324303587009586 0.11439698130007839 https://leetcode.com/problems/longest-continuous-increasing-subsequence https://leetcode.com/problems/word-search-ii
235 503 674 Next Greater Element II Longest Continuous Increasing Subsequence 56.5% 45.9% Medium Easy 0.11242734769506908 0.11324303587009586 https://leetcode.com/problems/next-greater-element-ii https://leetcode.com/problems/longest-continuous-increasing-subsequence
236 1047 503 Remove All Adjacent Duplicates In String Next Greater Element II 68.6% 56.5% Easy Medium 0.11181352460393465 0.11242734769506908 https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string https://leetcode.com/problems/next-greater-element-ii
237 1008 1047 Construct Binary Search Tree from Preorder Traversal Remove All Adjacent Duplicates In String 78.4% 68.6% Medium Easy 0.11004936619718413 0.11181352460393465 https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string
238 137 1008 Single Number II Construct Binary Search Tree from Preorder Traversal 52.4% 78.4% Medium Medium 0.10746985577594965 0.11004936619718413 https://leetcode.com/problems/single-number-ii https://leetcode.com/problems/construct-binary-search-tree-from-preorder-traversal
239 966 137 Vowel Spellchecker Single Number II 47.2% 52.4% Medium Medium 0.10676797542570607 0.10746985577594965 https://leetcode.com/problems/vowel-spellchecker https://leetcode.com/problems/single-number-ii
240 405 966 Convert a Number to Hexadecimal Vowel Spellchecker 43.9% 47.2% Easy Medium 0.10573219378884732 0.10676797542570607 https://leetcode.com/problems/convert-a-number-to-hexadecimal https://leetcode.com/problems/vowel-spellchecker
241 547 405 Friend Circles Convert a Number to Hexadecimal 58.6% 43.9% Medium Easy 0.10502210097355241 0.10573219378884732 https://leetcode.com/problems/friend-circles https://leetcode.com/problems/convert-a-number-to-hexadecimal
242 773 547 Sliding Puzzle Friend Circles 59.3% 58.6% Hard Medium 0.10294796925244239 0.10502210097355241 https://leetcode.com/problems/sliding-puzzle https://leetcode.com/problems/friend-circles
243 1411 773 Number of Ways to Paint N × 3 Grid Sliding Puzzle 61.1% 59.3% Hard Hard 0.10135249426028749 0.10294796925244239 https://leetcode.com/problems/number-of-ways-to-paint-n-3-grid https://leetcode.com/problems/sliding-puzzle
244 223 1411 Rectangle Area Number of Ways to Paint N × 3 Grid 37.8% 61.1% Medium Hard 0.10064352577968744 0.10135249426028749 https://leetcode.com/problems/rectangle-area https://leetcode.com/problems/number-of-ways-to-paint-n-3-grid
245 387 223 First Unique Character in a String Rectangle Area 53.4% 37.8% Easy Medium 0.09971390202061521 0.10064352577968744 https://leetcode.com/problems/first-unique-character-in-a-string https://leetcode.com/problems/rectangle-area
246 136 387 Single Number First Unique Character in a String 65.5% 53.4% Easy Easy 0.09844680818822771 0.09971390202061521 https://leetcode.com/problems/single-number https://leetcode.com/problems/first-unique-character-in-a-string
247 1053 136 Previous Permutation With One Swap Single Number 48.5% 65.5% Medium Easy 0.09835932019884275 0.09844680818822771 https://leetcode.com/problems/previous-permutation-with-one-swap https://leetcode.com/problems/single-number
248 489 1053 Robot Room Cleaner Previous Permutation With One Swap 69.7% 48.5% Hard Medium 0.09769150308111128 0.09835932019884275 https://leetcode.com/problems/robot-room-cleaner https://leetcode.com/problems/previous-permutation-with-one-swap
249 394 489 Decode String Robot Room Cleaner 50.0% 69.7% Medium Hard 0.09572009987565212 0.09769150308111128 https://leetcode.com/problems/decode-string https://leetcode.com/problems/robot-room-cleaner
250 642 394 Design Search Autocomplete System Decode String 44.7% 50.0% Hard Medium 0.09500811062818718 0.09572009987565212 https://leetcode.com/problems/design-search-autocomplete-system https://leetcode.com/problems/decode-string
251 239 642 Sliding Window Maximum Design Search Autocomplete System 43.0% 44.7% Hard Hard 0.09271146326206103 0.09500811062818718 https://leetcode.com/problems/sliding-window-maximum https://leetcode.com/problems/design-search-autocomplete-system
252 1062 239 Longest Repeating Substring Sliding Window Maximum 57.2% 43.0% Medium Hard 0.09201889872025212 0.09271146326206103 https://leetcode.com/problems/longest-repeating-substring https://leetcode.com/problems/sliding-window-maximum
253 21 1062 Merge Two Sorted Lists Longest Repeating Substring 53.5% 57.2% Easy Medium 0.09110919511165776 0.09201889872025212 https://leetcode.com/problems/merge-two-sorted-lists https://leetcode.com/problems/longest-repeating-substring
254 49 21 Group Anagrams Merge Two Sorted Lists 56.9% 53.5% Medium Easy 0.09101320494254857 0.09110919511165776 https://leetcode.com/problems/group-anagrams https://leetcode.com/problems/merge-two-sorted-lists
255 1077 49 Project Employees III Group Anagrams 75.6% 56.9% Medium Medium 0.0907652093142671 0.09101320494254857 https://leetcode.com/problems/project-employees-iii https://leetcode.com/problems/group-anagrams
256 1132 1077 Reported Posts II Project Employees III 34.4% 75.6% Medium Medium 0.0903548750399561 0.0907652093142671 https://leetcode.com/problems/reported-posts-ii https://leetcode.com/problems/project-employees-iii
257 62 1132 Unique Paths Reported Posts II 54.1% 34.4% Medium Medium 0.08965185882136445 0.0903548750399561 https://leetcode.com/problems/unique-paths https://leetcode.com/problems/reported-posts-ii
258 995 62 Minimum Number of K Consecutive Bit Flips Unique Paths 46.8% 54.1% Hard Medium 0.08894748601649616 0.08965185882136445 https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips https://leetcode.com/problems/unique-paths
259 16 995 3Sum Closest Minimum Number of K Consecutive Bit Flips 46.0% 46.8% Medium Hard 0.08850538159227012 0.08894748601649616 https://leetcode.com/problems/3sum-closest https://leetcode.com/problems/minimum-number-of-k-consecutive-bit-flips
260 25 16 Reverse Nodes in k-Group 3Sum Closest 42.1% 46.0% Hard Medium 0.08835766048944313 0.08850538159227012 https://leetcode.com/problems/reverse-nodes-in-k-group https://leetcode.com/problems/3sum-closest
261 788 25 Rotated Digits Reverse Nodes in k-Group 57.1% 42.1% Easy Hard 0.08743429938967429 0.08835766048944313 https://leetcode.com/problems/rotated-digits https://leetcode.com/problems/reverse-nodes-in-k-group
262 1113 788 Reported Posts Rotated Digits 64.1% 57.1% Easy Easy 0.08552217343816201 0.08743429938967429 https://leetcode.com/problems/reported-posts https://leetcode.com/problems/rotated-digits
263 614 1113 Second Degree Follower Reported Posts 30.3% 64.1% Medium Easy 0.08479653666007693 0.08552217343816201 https://leetcode.com/problems/second-degree-follower https://leetcode.com/problems/reported-posts
264 345 614 Reverse Vowels of a String Second Degree Follower 44.2% 30.3% Easy Medium 0.08413974844494757 0.08479653666007693 https://leetcode.com/problems/reverse-vowels-of-a-string https://leetcode.com/problems/second-degree-follower
265 443 345 String Compression Reverse Vowels of a String 41.3% 44.2% Easy Easy 0.08391368024915737 0.08413974844494757 https://leetcode.com/problems/string-compression https://leetcode.com/problems/reverse-vowels-of-a-string
266 550 443 Game Play Analysis IV String Compression 45.3% 41.3% Medium Easy 0.08286311601350513 0.08391368024915737 https://leetcode.com/problems/game-play-analysis-iv https://leetcode.com/problems/string-compression
267 44 550 Wildcard Matching Game Play Analysis IV 24.7% 45.3% Hard Medium 0.08271909217936915 0.08286311601350513 https://leetcode.com/problems/wildcard-matching https://leetcode.com/problems/game-play-analysis-iv
268 13 44 Roman to Integer Wildcard Matching 55.7% 24.7% Easy Hard 0.08237818622149326 0.08271909217936915 https://leetcode.com/problems/roman-to-integer https://leetcode.com/problems/wildcard-matching
269 962 13 Maximum Width Ramp Roman to Integer 45.4% 55.7% Medium Easy 0.08184524810424337 0.08237818622149326 https://leetcode.com/problems/maximum-width-ramp https://leetcode.com/problems/roman-to-integer
270 884 962 Uncommon Words from Two Sentences Maximum Width Ramp 63.3% 45.4% Easy Medium 0.07990051073053109 0.08184524810424337 https://leetcode.com/problems/uncommon-words-from-two-sentences https://leetcode.com/problems/maximum-width-ramp
271 208 884 Implement Trie (Prefix Tree) Uncommon Words from Two Sentences 49.4% 63.3% Medium Easy 0.07910997849332738 0.07990051073053109 https://leetcode.com/problems/implement-trie-prefix-tree https://leetcode.com/problems/uncommon-words-from-two-sentences
272 128 208 Longest Consecutive Sequence Implement Trie (Prefix Tree) 45.1% 49.4% Hard Medium 0.0786603197723907 0.07910997849332738 https://leetcode.com/problems/longest-consecutive-sequence https://leetcode.com/problems/implement-trie-prefix-tree
273 1254 128 Number of Closed Islands Longest Consecutive Sequence 60.5% 45.1% Medium Hard 0.07796154146971186 0.0786603197723907 https://leetcode.com/problems/number-of-closed-islands https://leetcode.com/problems/longest-consecutive-sequence
274 1055 1254 Shortest Way to Form String Number of Closed Islands 56.9% 60.5% Medium Medium 0.07681317776161672 0.07796154146971186 https://leetcode.com/problems/shortest-way-to-form-string https://leetcode.com/problems/number-of-closed-islands
275 778 1055 Swim in Rising Water Shortest Way to Form String 53.1% 56.9% Hard Medium 0.07651914983419623 0.07681317776161672 https://leetcode.com/problems/swim-in-rising-water https://leetcode.com/problems/shortest-way-to-form-string
276 852 778 Peak Index in a Mountain Array Swim in Rising Water 71.6% 53.1% Easy Hard 0.07637297878457401 0.07651914983419623 https://leetcode.com/problems/peak-index-in-a-mountain-array https://leetcode.com/problems/swim-in-rising-water
277 4 852 Median of Two Sorted Arrays Peak Index in a Mountain Array 29.6% 71.6% Hard Easy 0.07615745318145342 0.07637297878457401 https://leetcode.com/problems/median-of-two-sorted-arrays https://leetcode.com/problems/peak-index-in-a-mountain-array
278 468 4 Validate IP Address Median of Two Sorted Arrays 24.1% 29.6% Medium Hard 0.07598590697792203 0.07615745318145342 https://leetcode.com/problems/validate-ip-address https://leetcode.com/problems/median-of-two-sorted-arrays
279 505 468 The Maze II Validate IP Address 47.7% 24.1% Medium Medium 0.07133147800542972 0.07598590697792203 https://leetcode.com/problems/the-maze-ii https://leetcode.com/problems/validate-ip-address
280 1057 505 Campus Bikes The Maze II 57.7% 47.7% Medium Medium 0.07107786641655695 0.07133147800542972 https://leetcode.com/problems/campus-bikes https://leetcode.com/problems/the-maze-ii
281 81 1057 Search in Rotated Sorted Array II Campus Bikes 33.0% 57.7% Medium Medium 0.07091146875905202 0.07107786641655695 https://leetcode.com/problems/search-in-rotated-sorted-array-ii https://leetcode.com/problems/campus-bikes
282 346 81 Moving Average from Data Stream Search in Rotated Sorted Array II 70.9% 33.0% Easy Medium 0.06887402901251127 0.07091146875905202 https://leetcode.com/problems/moving-average-from-data-stream https://leetcode.com/problems/search-in-rotated-sorted-array-ii
283 723 346 Candy Crush Moving Average from Data Stream 69.2% 70.9% Medium Easy 0.06828590786613152 0.06887402901251127 https://leetcode.com/problems/candy-crush https://leetcode.com/problems/moving-average-from-data-stream
284 168 723 Excel Sheet Column Title Candy Crush 31.1% 69.2% Easy Medium 0.0676504718923617 0.06828590786613152 https://leetcode.com/problems/excel-sheet-column-title https://leetcode.com/problems/candy-crush
285 105 168 Construct Binary Tree from Preorder and Inorder Traversal Excel Sheet Column Title 48.8% 31.1% Medium Easy 0.06685522312111739 0.0676504718923617 https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal https://leetcode.com/problems/excel-sheet-column-title
286 178 105 Rank Scores Construct Binary Tree from Preorder and Inorder Traversal 45.8% 48.8% Medium Medium 0.06551667145414991 0.06685522312111739 https://leetcode.com/problems/rank-scores https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal
287 298 178 Binary Tree Longest Consecutive Sequence Rank Scores 47.1% 45.8% Medium Medium 0.065169635074581 0.06551667145414991 https://leetcode.com/problems/binary-tree-longest-consecutive-sequence https://leetcode.com/problems/rank-scores
288 1108 298 Defanging an IP Address Binary Tree Longest Consecutive Sequence 87.5% 47.1% Easy Medium 0.06413595621854226 0.065169635074581 https://leetcode.com/problems/defanging-an-ip-address https://leetcode.com/problems/binary-tree-longest-consecutive-sequence
289 414 1108 Third Maximum Number Defanging an IP Address 30.5% 87.5% Easy Easy 0.06304078374301514 0.06413595621854226 https://leetcode.com/problems/third-maximum-number https://leetcode.com/problems/defanging-an-ip-address
290 11 414 Container With Most Water Third Maximum Number 50.8% 30.5% Medium Easy 0.060358007567261264 0.06304078374301514 https://leetcode.com/problems/container-with-most-water https://leetcode.com/problems/third-maximum-number
291 55 11 Jump Game Container With Most Water 34.6% 50.8% Medium Medium 0.059854228581496645 0.060358007567261264 https://leetcode.com/problems/jump-game https://leetcode.com/problems/container-with-most-water
292 491 55 Increasing Subsequences Jump Game 46.1% 34.6% Medium Medium 0.058581901624802396 0.059854228581496645 https://leetcode.com/problems/increasing-subsequences https://leetcode.com/problems/jump-game
293 1305 491 All Elements in Two Binary Search Trees Increasing Subsequences 76.1% 46.1% Medium Medium 0.05819353408024827 0.058581901624802396 https://leetcode.com/problems/all-elements-in-two-binary-search-trees https://leetcode.com/problems/increasing-subsequences
294 373 1305 Find K Pairs with Smallest Sums All Elements in Two Binary Search Trees 36.7% 76.1% Medium Medium 0.058155920157074034 0.05819353408024827 https://leetcode.com/problems/find-k-pairs-with-smallest-sums https://leetcode.com/problems/all-elements-in-two-binary-search-trees
295 417 373 Pacific Atlantic Water Flow Find K Pairs with Smallest Sums 41.1% 36.7% Medium Medium 0.057523844138186606 0.058155920157074034 https://leetcode.com/problems/pacific-atlantic-water-flow https://leetcode.com/problems/find-k-pairs-with-smallest-sums
296 312 417 Burst Balloons Pacific Atlantic Water Flow 51.8% 41.1% Hard Medium 0.056547726798068784 0.057523844138186606 https://leetcode.com/problems/burst-balloons https://leetcode.com/problems/pacific-atlantic-water-flow
297 218 312 The Skyline Problem Burst Balloons 34.6% 51.8% Hard Hard 0.0564413109049518 0.056547726798068784 https://leetcode.com/problems/the-skyline-problem https://leetcode.com/problems/burst-balloons
298 41 218 First Missing Positive The Skyline Problem 32.0% 34.6% Hard Hard 0.056273635982108605 0.0564413109049518 https://leetcode.com/problems/first-missing-positive https://leetcode.com/problems/the-skyline-problem
299 24 41 Swap Nodes in Pairs First Missing Positive 50.4% 32.0% Medium Hard 0.05465011300438079 0.056273635982108605 https://leetcode.com/problems/swap-nodes-in-pairs https://leetcode.com/problems/first-missing-positive
300 395 24 Longest Substring with At Least K Repeating Characters Swap Nodes in Pairs 41.4% 50.4% Medium Medium 0.05371219359052555 0.05465011300438079 https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters https://leetcode.com/problems/swap-nodes-in-pairs
301 679 395 24 Game Longest Substring with At Least K Repeating Characters 46.4% 41.4% Hard Medium 0.05341723749698583 0.05371219359052555 https://leetcode.com/problems/24-game https://leetcode.com/problems/longest-substring-with-at-least-k-repeating-characters
302 597 679 Friend Requests I: Overall Acceptance Rate 24 Game 41.0% 46.4% Easy Hard 0.053062844975211534 0.05341723749698583 https://leetcode.com/problems/friend-requests-i-overall-acceptance-rate https://leetcode.com/problems/24-game
303 17 597 Letter Combinations of a Phone Number Friend Requests I: Overall Acceptance Rate 46.8% 41.0% Medium Easy 0.052632421620123555 0.053062844975211534 https://leetcode.com/problems/letter-combinations-of-a-phone-number https://leetcode.com/problems/friend-requests-i-overall-acceptance-rate
304 122 17 Best Time to Buy and Sell Stock II Letter Combinations of a Phone Number 57.0% 46.8% Easy Medium 0.05236798551731598 0.052632421620123555 https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii https://leetcode.com/problems/letter-combinations-of-a-phone-number
305 496 122 Next Greater Element I Best Time to Buy and Sell Stock II 63.8% 57.0% Easy Easy 0.05179150912840488 0.05236798551731598 https://leetcode.com/problems/next-greater-element-i https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii
306 209 496 Minimum Size Subarray Sum Next Greater Element I 38.2% 63.8% Medium Easy 0.05146227039335983 0.05179150912840488 https://leetcode.com/problems/minimum-size-subarray-sum https://leetcode.com/problems/next-greater-element-i
307 681 209 Next Closest Time Minimum Size Subarray Sum 45.0% 38.2% Medium Medium 0.05045206096038863 0.05146227039335983 https://leetcode.com/problems/next-closest-time https://leetcode.com/problems/minimum-size-subarray-sum
308 285 681 Inorder Successor in BST Next Closest Time 40.4% 45.0% Medium Medium 0.049569618859417214 0.05045206096038863 https://leetcode.com/problems/inorder-successor-in-bst https://leetcode.com/problems/next-closest-time
309 79 285 Word Search Inorder Successor in BST 35.6% 40.4% Medium Medium 0.04917091711296865 0.049569618859417214 https://leetcode.com/problems/word-search https://leetcode.com/problems/inorder-successor-in-bst
310 593 79 Valid Square Word Search 43.1% 35.6% Medium Medium 0.048671406375812236 0.04917091711296865 https://leetcode.com/problems/valid-square https://leetcode.com/problems/word-search
311 1019 593 Next Greater Node In Linked List Valid Square 57.4% 43.1% Medium Medium 0.04795804429616222 0.048671406375812236 https://leetcode.com/problems/next-greater-node-in-linked-list https://leetcode.com/problems/valid-square
312 26 1019 Remove Duplicates from Sorted Array Next Greater Node In Linked List 45.1% 57.4% Easy Medium 0.0476757427679509 0.04795804429616222 https://leetcode.com/problems/remove-duplicates-from-sorted-array https://leetcode.com/problems/next-greater-node-in-linked-list
313 698 26 Partition to K Equal Sum Subsets Remove Duplicates from Sorted Array 45.0% 45.1% Medium Easy 0.04685917114094188 0.0476757427679509 https://leetcode.com/problems/partition-to-k-equal-sum-subsets https://leetcode.com/problems/remove-duplicates-from-sorted-array
314 556 698 Next Greater Element III Partition to K Equal Sum Subsets 31.7% 45.0% Medium Medium 0.04679216150675895 0.04685917114094188 https://leetcode.com/problems/next-greater-element-iii https://leetcode.com/problems/partition-to-k-equal-sum-subsets
315 191 556 Number of 1 Bits Next Greater Element III 49.8% 31.7% Easy Medium 0.045812334709758235 0.04679216150675895 https://leetcode.com/problems/number-of-1-bits https://leetcode.com/problems/next-greater-element-iii
316 48 191 Rotate Image Number of 1 Bits 56.7% 49.8% Medium Easy 0.04495138786226632 0.045812334709758235 https://leetcode.com/problems/rotate-image https://leetcode.com/problems/number-of-1-bits
317 935 48 Knight Dialer Rotate Image 45.2% 56.7% Medium Medium 0.04445176257083384 0.04495138786226632 https://leetcode.com/problems/knight-dialer https://leetcode.com/problems/rotate-image
318 148 935 Sort List Knight Dialer 42.3% 45.2% Medium Medium 0.04408427313201935 0.04445176257083384 https://leetcode.com/problems/sort-list https://leetcode.com/problems/knight-dialer
319 1498 148 Number of Subsequences That Satisfy the Given Sum Condition Sort List 36.7% 42.3% Medium Medium 0.04334372921647208 0.04408427313201935 https://leetcode.com/problems/number-of-subsequences-that-satisfy-the-given-sum-condition https://leetcode.com/problems/sort-list
320 399 1498 Evaluate Division Number of Subsequences That Satisfy the Given Sum Condition 51.6% 36.7% Medium Medium 0.043089480538103624 0.04334372921647208 https://leetcode.com/problems/evaluate-division https://leetcode.com/problems/number-of-subsequences-that-satisfy-the-given-sum-condition
321 338 399 Counting Bits Evaluate Division 69.5% 51.6% Medium Medium 0.0428445715346785 0.043089480538103624 https://leetcode.com/problems/counting-bits https://leetcode.com/problems/evaluate-division
322 716 338 Max Stack Counting Bits 42.6% 69.5% Easy Medium 0.042695919196489414 0.0428445715346785 https://leetcode.com/problems/max-stack https://leetcode.com/problems/counting-bits
323 611 716 Valid Triangle Number Max Stack 48.4% 42.6% Medium Easy 0.04255961441879593 0.042695919196489414 https://leetcode.com/problems/valid-triangle-number https://leetcode.com/problems/max-stack
324 669 611 Trim a Binary Search Tree Valid Triangle Number 63.0% 48.4% Easy Medium 0.04255961441879593 0.04255961441879593 https://leetcode.com/problems/trim-a-binary-search-tree https://leetcode.com/problems/valid-triangle-number
325 430 669 Flatten a Multilevel Doubly Linked List Trim a Binary Search Tree 55.1% 63.0% Medium Easy 0.04154283751370906 0.04255961441879593 https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list https://leetcode.com/problems/trim-a-binary-search-tree
326 1219 430 Path with Maximum Gold Flatten a Multilevel Doubly Linked List 65.1% 55.1% Medium Medium 0.04111576039097048 0.04154283751370906 https://leetcode.com/problems/path-with-maximum-gold https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list
327 37 1219 Sudoku Solver Path with Maximum Gold 43.6% 65.1% Hard Medium 0.040527833612118376 0.04111576039097048 https://leetcode.com/problems/sudoku-solver https://leetcode.com/problems/path-with-maximum-gold
328 918 37 Maximum Sum Circular Subarray Sudoku Solver 33.7% 43.6% Medium Hard 0.04045040846284272 0.040527833612118376 https://leetcode.com/problems/maximum-sum-circular-subarray https://leetcode.com/problems/sudoku-solver
329 14 918 Longest Common Prefix Maximum Sum Circular Subarray 35.4% 33.7% Easy Medium 0.039933598017406854 0.04045040846284272 https://leetcode.com/problems/longest-common-prefix https://leetcode.com/problems/maximum-sum-circular-subarray
330 686 14 Repeated String Match Longest Common Prefix 32.3% 35.4% Easy Easy 0.03984590854719967 0.039933598017406854 https://leetcode.com/problems/repeated-string-match https://leetcode.com/problems/longest-common-prefix
331 406 686 Queue Reconstruction by Height Repeated String Match 66.9% 32.3% Medium Easy 0.03949613834265583 0.03984590854719967 https://leetcode.com/problems/queue-reconstruction-by-height https://leetcode.com/problems/repeated-string-match
332 210 406 Course Schedule II Queue Reconstruction by Height 40.7% 66.9% Medium Medium 0.03795788828372613 0.03949613834265583 https://leetcode.com/problems/course-schedule-ii https://leetcode.com/problems/queue-reconstruction-by-height
333 1031 210 Maximum Sum of Two Non-Overlapping Subarrays Course Schedule II 57.9% 40.7% Medium Medium 0.03711000965123125 0.03795788828372613 https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays https://leetcode.com/problems/course-schedule-ii
334 206 1031 Reverse Linked List Maximum Sum of Two Non-Overlapping Subarrays 62.5% 57.9% Easy Medium 0.03679633286058156 0.03711000965123125 https://leetcode.com/problems/reverse-linked-list https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays
335 887 206 Super Egg Drop Reverse Linked List 27.1% 62.5% Hard Easy 0.03660060864484636 0.03679633286058156 https://leetcode.com/problems/super-egg-drop https://leetcode.com/problems/reverse-linked-list
336 28 887 Implement strStr() Super Egg Drop 34.5% 27.1% Easy Hard 0.03494144277828229 0.03660060864484636 https://leetcode.com/problems/implement-strstr https://leetcode.com/problems/super-egg-drop
337 152 28 Maximum Product Subarray Implement strStr() 31.7% 34.5% Medium Easy 0.034438665054543384 0.03494144277828229 https://leetcode.com/problems/maximum-product-subarray https://leetcode.com/problems/implement-strstr
338 886 152 Possible Bipartition Maximum Product Subarray 44.2% 31.7% Medium Medium 0.034103901828857086 0.034438665054543384 https://leetcode.com/problems/possible-bipartition https://leetcode.com/problems/maximum-product-subarray
339 1360 886 Number of Days Between Two Dates Possible Bipartition 48.8% 44.2% Easy Medium 0.03401688527825427 0.034103901828857086 https://leetcode.com/problems/number-of-days-between-two-dates https://leetcode.com/problems/possible-bipartition
340 384 1360 Shuffle an Array Number of Days Between Two Dates 52.8% 48.8% Medium Easy 0.03399118781703353 0.03401688527825427 https://leetcode.com/problems/shuffle-an-array https://leetcode.com/problems/number-of-days-between-two-dates
341 516 384 Longest Palindromic Subsequence Shuffle an Array 53.2% 52.8% Medium Medium 0.0332870969222259 0.03399118781703353 https://leetcode.com/problems/longest-palindromic-subsequence https://leetcode.com/problems/shuffle-an-array
342 1287 516 Element Appearing More Than 25% In Sorted Array Longest Palindromic Subsequence 60.2% 53.2% Easy Medium 0.033033556829153404 0.0332870969222259 https://leetcode.com/problems/element-appearing-more-than-25-in-sorted-array https://leetcode.com/problems/longest-palindromic-subsequence
343 235 1287 Lowest Common Ancestor of a Binary Search Tree Element Appearing More Than 25% In Sorted Array 49.9% 60.2% Easy Easy 0.032470385030784074 0.033033556829153404 https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree https://leetcode.com/problems/element-appearing-more-than-25-in-sorted-array
344 300 235 Longest Increasing Subsequence Lowest Common Ancestor of a Binary Search Tree 42.6% 49.9% Medium Easy 0.03245773693742074 0.032470385030784074 https://leetcode.com/problems/longest-increasing-subsequence https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree
345 228 300 Summary Ranges Longest Increasing Subsequence 39.5% 42.6% Medium Medium 0.03157326191609021 0.03245773693742074 https://leetcode.com/problems/summary-ranges https://leetcode.com/problems/longest-increasing-subsequence
346 150 228 Evaluate Reverse Polish Notation Summary Ranges 36.3% 39.5% Medium Medium 0.031526253646773944 0.03157326191609021 https://leetcode.com/problems/evaluate-reverse-polish-notation https://leetcode.com/problems/summary-ranges
347 703 150 Kth Largest Element in a Stream Evaluate Reverse Polish Notation 49.7% 36.3% Easy Medium 0.031004894819414507 0.031526253646773944 https://leetcode.com/problems/kth-largest-element-in-a-stream https://leetcode.com/problems/evaluate-reverse-polish-notation
348 303 703 Range Sum Query - Immutable Kth Largest Element in a Stream 44.7% 49.7% Easy Easy 0.029549096691749193 0.031004894819414507 https://leetcode.com/problems/range-sum-query-immutable https://leetcode.com/problems/kth-largest-element-in-a-stream
349 7 303 Reverse Integer Range Sum Query - Immutable 25.8% 44.7% Easy Easy 0.029372034825448746 0.029549096691749193 https://leetcode.com/problems/reverse-integer https://leetcode.com/problems/range-sum-query-immutable
350 176 7 Second Highest Salary Reverse Integer 31.6% 25.8% Easy Easy 0.029252542837437355 0.029372034825448746 https://leetcode.com/problems/second-highest-salary https://leetcode.com/problems/reverse-integer
351 324 176 Wiggle Sort II Second Highest Salary 29.9% 31.6% Medium Easy 0.02898753687325229 0.029252542837437355 https://leetcode.com/problems/wiggle-sort-ii https://leetcode.com/problems/second-highest-salary
352 509 324 Fibonacci Number Wiggle Sort II 67.2% 29.9% Easy Medium 0.028156003871381816 0.02898753687325229 https://leetcode.com/problems/fibonacci-number https://leetcode.com/problems/wiggle-sort-ii
353 472 509 Concatenated Words Fibonacci Number 43.7% 67.2% Hard Easy 0.027664281472355556 0.028156003871381816 https://leetcode.com/problems/concatenated-words https://leetcode.com/problems/fibonacci-number
354 159 472 Longest Substring with At Most Two Distinct Characters Concatenated Words 49.4% 43.7% Medium Hard 0.02717558537896476 0.027664281472355556 https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters https://leetcode.com/problems/concatenated-words
355 437 159 Path Sum III Longest Substring with At Most Two Distinct Characters 47.2% 49.4% Medium Medium 0.02708561605844235 0.02717558537896476 https://leetcode.com/problems/path-sum-iii https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters
356 1379 437 Find a Corresponding Node of a Binary Tree in a Clone of That Tree Path Sum III 83.8% 47.2% Medium Medium 0.02645656953683045 0.02708561605844235 https://leetcode.com/problems/find-a-corresponding-node-of-a-binary-tree-in-a-clone-of-that-tree https://leetcode.com/problems/path-sum-iii
357 979 1379 Distribute Coins in Binary Tree Find a Corresponding Node of a Binary Tree in a Clone of That Tree 68.9% 83.8% Medium Medium 0.026196651946570663 0.02645656953683045 https://leetcode.com/problems/distribute-coins-in-binary-tree https://leetcode.com/problems/find-a-corresponding-node-of-a-binary-tree-in-a-clone-of-that-tree
358 403 979 Frog Jump Distribute Coins in Binary Tree 39.7% 68.9% Hard Medium 0.0259249775263148 0.026196651946570663 https://leetcode.com/problems/frog-jump https://leetcode.com/problems/distribute-coins-in-binary-tree
359 410 403 Split Array Largest Sum Frog Jump 44.5% 39.7% Hard Hard 0.025807883955872597 0.0259249775263148 https://leetcode.com/problems/split-array-largest-sum https://leetcode.com/problems/frog-jump
360 90 410 Subsets II Split Array Largest Sum 47.1% 44.5% Medium Hard 0.025497131933483772 0.025807883955872597 https://leetcode.com/problems/subsets-ii https://leetcode.com/problems/split-array-largest-sum
361 189 90 Rotate Array Subsets II 34.7% 47.1% Easy Medium 0.024924029676386045 0.025497131933483772 https://leetcode.com/problems/rotate-array https://leetcode.com/problems/subsets-ii
362 30 189 Substring with Concatenation of All Words Rotate Array 25.4% 34.7% Hard Easy 0.02486144206532915 0.024924029676386045 https://leetcode.com/problems/substring-with-concatenation-of-all-words https://leetcode.com/problems/rotate-array
363 662 30 Maximum Width of Binary Tree Substring with Concatenation of All Words 41.0% 25.4% Medium Hard 0.024116924478312346 0.02486144206532915 https://leetcode.com/problems/maximum-width-of-binary-tree https://leetcode.com/problems/substring-with-concatenation-of-all-words
364 307 662 Range Sum Query - Mutable Maximum Width of Binary Tree 34.6% 41.0% Medium Medium 0.02223549085228711 0.024116924478312346 https://leetcode.com/problems/range-sum-query-mutable https://leetcode.com/problems/maximum-width-of-binary-tree
365 221 307 Maximal Square Range Sum Query - Mutable 37.7% 34.6% Medium Medium 0.022108490754203434 0.02223549085228711 https://leetcode.com/problems/maximal-square https://leetcode.com/problems/range-sum-query-mutable
366 108 221 Convert Sorted Array to Binary Search Tree Maximal Square 57.9% 37.7% Easy Medium 0.022033389270751453 0.022108490754203434 https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree https://leetcode.com/problems/maximal-square
367 112 108 Path Sum Convert Sorted Array to Binary Search Tree 41.2% 57.9% Easy Easy 0.021701651897460775 0.022033389270751453 https://leetcode.com/problems/path-sum https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree
368 1137 112 N-th Tribonacci Number Path Sum 55.9% 41.2% Easy Easy 0.02072613051711693 0.021701651897460775 https://leetcode.com/problems/n-th-tribonacci-number https://leetcode.com/problems/path-sum
369 60 1137 Permutation Sequence N-th Tribonacci Number 38.4% 55.9% Hard Easy 0.020471543980187256 0.02072613051711693 https://leetcode.com/problems/permutation-sequence https://leetcode.com/problems/n-th-tribonacci-number
370 392 60 Is Subsequence Permutation Sequence 49.2% 38.4% Easy Hard 0.02033508842008217 0.020471543980187256 https://leetcode.com/problems/is-subsequence https://leetcode.com/problems/permutation-sequence
371 525 392 Contiguous Array Is Subsequence 42.8% 49.2% Medium Easy 0.01975372873623256 0.02033508842008217 https://leetcode.com/problems/contiguous-array https://leetcode.com/problems/is-subsequence
372 229 525 Majority Element II Contiguous Array 35.6% 42.8% Medium Medium 0.019057270410286146 0.01975372873623256 https://leetcode.com/problems/majority-element-ii https://leetcode.com/problems/contiguous-array
373 787 229 Cheapest Flights Within K Stops Majority Element II 39.3% 35.6% Medium Medium 0.018824085245635554 0.019057270410286146 https://leetcode.com/problems/cheapest-flights-within-k-stops https://leetcode.com/problems/majority-element-ii
374 450 787 Delete Node in a BST Cheapest Flights Within K Stops 43.1% 39.3% Medium Medium 0.018536211907915243 0.018824085245635554 https://leetcode.com/problems/delete-node-in-a-bst https://leetcode.com/problems/cheapest-flights-within-k-stops
375 70 450 Climbing Stairs Delete Node in a BST 47.8% 43.1% Easy Medium 0.018323749536870576 0.018536211907915243 https://leetcode.com/problems/climbing-stairs https://leetcode.com/problems/delete-node-in-a-bst
376 706 70 Design HashMap Climbing Stairs 61.3% 47.8% Easy Easy 0.01752893260576219 0.018323749536870576 https://leetcode.com/problems/design-hashmap https://leetcode.com/problems/climbing-stairs
377 993 706 Cousins in Binary Tree Design HashMap 52.0% 61.3% Easy Easy 0.017414458368636587 0.01752893260576219 https://leetcode.com/problems/cousins-in-binary-tree https://leetcode.com/problems/design-hashmap
378 1266 993 Minimum Time Visiting All Points Cousins in Binary Tree 79.6% 52.0% Easy Easy 0.017354014693151613 0.017414458368636587 https://leetcode.com/problems/minimum-time-visiting-all-points https://leetcode.com/problems/cousins-in-binary-tree
379 289 1266 Game of Life Minimum Time Visiting All Points 54.5% 79.6% Medium Easy 0.0173239499317743 0.017354014693151613 https://leetcode.com/problems/game-of-life https://leetcode.com/problems/minimum-time-visiting-all-points
380 95 289 Unique Binary Search Trees II Game of Life 40.6% 54.5% Medium Medium 0.016856699181010838 0.0173239499317743 https://leetcode.com/problems/unique-binary-search-trees-ii https://leetcode.com/problems/game-of-life
381 145 95 Binary Tree Postorder Traversal Unique Binary Search Trees II 55.0% 40.6% Hard Medium 0.01682911820009702 0.016856699181010838 https://leetcode.com/problems/binary-tree-postorder-traversal https://leetcode.com/problems/unique-binary-search-trees-ii
382 997 145 Find the Town Judge Binary Tree Postorder Traversal 50.1% 55.0% Easy Hard 0.01677891712910938 0.01682911820009702 https://leetcode.com/problems/find-the-town-judge https://leetcode.com/problems/binary-tree-postorder-traversal
383 51 997 N-Queens Find the Town Judge 46.6% 50.1% Hard Easy 0.016393809775676407 0.01677891712910938 https://leetcode.com/problems/n-queens https://leetcode.com/problems/find-the-town-judge
384 1304 51 Find N Unique Integers Sum up to Zero N-Queens 76.3% 46.6% Easy Hard 0.015892269319508656 0.016393809775676407 https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero https://leetcode.com/problems/n-queens
385 153 1304 Find Minimum in Rotated Sorted Array Find N Unique Integers Sum up to Zero 45.1% 76.3% Medium Easy 0.014939586916186732 0.015892269319508656 https://leetcode.com/problems/find-minimum-in-rotated-sorted-array https://leetcode.com/problems/find-n-unique-integers-sum-up-to-zero
386 203 153 Remove Linked List Elements Find Minimum in Rotated Sorted Array 38.6% 45.1% Easy Medium 0.014519311324453305 0.014939586916186732 https://leetcode.com/problems/remove-linked-list-elements https://leetcode.com/problems/find-minimum-in-rotated-sorted-array
387 653 203 Two Sum IV - Input is a BST Remove Linked List Elements 55.5% 38.6% Easy Easy 0.014224990931347289 0.014519311324453305 https://leetcode.com/problems/two-sum-iv-input-is-a-bst https://leetcode.com/problems/remove-linked-list-elements
388 179 653 Largest Number Two Sum IV - Input is a BST 28.8% 55.5% Medium Easy 0.013865040137171665 0.014224990931347289 https://leetcode.com/problems/largest-number https://leetcode.com/problems/two-sum-iv-input-is-a-bst
389 64 179 Minimum Path Sum Largest Number 54.5% 28.8% Medium Medium 0.013734383449598314 0.013865040137171665 https://leetcode.com/problems/minimum-path-sum https://leetcode.com/problems/largest-number
390 101 64 Symmetric Tree Minimum Path Sum 46.8% 54.5% Easy Medium 0.013553786479814183 0.013734383449598314 https://leetcode.com/problems/symmetric-tree https://leetcode.com/problems/minimum-path-sum
391 344 101 Reverse String Symmetric Tree 68.5% 46.8% Easy Easy 0.013014662307854044 0.013553786479814183 https://leetcode.com/problems/reverse-string https://leetcode.com/problems/symmetric-tree
392 77 344 Combinations Reverse String 54.7% 68.5% Medium Easy 0.01255115315451512 0.013014662307854044 https://leetcode.com/problems/combinations https://leetcode.com/problems/reverse-string
393 287 77 Find the Duplicate Number Combinations 55.5% 54.7% Medium Medium 0.012335682739188652 0.01255115315451512 https://leetcode.com/problems/find-the-duplicate-number https://leetcode.com/problems/combinations
394 445 287 Add Two Numbers II Find the Duplicate Number 54.5% 55.5% Medium Medium 0.01233061245747872 0.012335682739188652 https://leetcode.com/problems/add-two-numbers-ii https://leetcode.com/problems/find-the-duplicate-number
395 172 445 Factorial Trailing Zeroes Add Two Numbers II 37.8% 54.5% Easy Medium 0.012326812480658571 0.01233061245747872 https://leetcode.com/problems/factorial-trailing-zeroes https://leetcode.com/problems/add-two-numbers-ii
396 205 172 Isomorphic Strings Factorial Trailing Zeroes 39.8% 37.8% Easy Easy 0.011544139746865315 0.012326812480658571 https://leetcode.com/problems/isomorphic-strings https://leetcode.com/problems/factorial-trailing-zeroes
397 733 205 Flood Fill Isomorphic Strings 55.3% 39.8% Easy Easy 0.011217167530924988 0.011544139746865315 https://leetcode.com/problems/flood-fill https://leetcode.com/problems/isomorphic-strings
398 171 733 Excel Sheet Column Number Flood Fill 55.9% 55.3% Easy Easy 0.011195191092491645 0.011217167530924988 https://leetcode.com/problems/excel-sheet-column-number https://leetcode.com/problems/flood-fill
399 104 171 Maximum Depth of Binary Tree Excel Sheet Column Number 66.0% 55.9% Easy Easy 0.011105055822701604 0.011195191092491645 https://leetcode.com/problems/maximum-depth-of-binary-tree https://leetcode.com/problems/excel-sheet-column-number
400 103 104 Binary Tree Zigzag Level Order Traversal Maximum Depth of Binary Tree 48.3% 66.0% Medium Easy 0.01063025572799205 0.011105055822701604 https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal https://leetcode.com/problems/maximum-depth-of-binary-tree
401 234 103 Palindrome Linked List Binary Tree Zigzag Level Order Traversal 39.3% 48.3% Easy Medium 0.010171877938733932 0.01063025572799205 https://leetcode.com/problems/palindrome-linked-list https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal
402 72 234 Edit Distance Palindrome Linked List 44.8% 39.3% Hard Easy 0.010017614452317782 0.010171877938733932 https://leetcode.com/problems/edit-distance https://leetcode.com/problems/palindrome-linked-list
403 61 72 Rotate List Edit Distance 30.0% 44.8% Medium Hard 0.009925639799969955 0.010017614452317782 https://leetcode.com/problems/rotate-list https://leetcode.com/problems/edit-distance
404 113 61 Path Sum II Rotate List 46.7% 30.0% Medium Medium 0.009784813879998279 0.009925639799969955 https://leetcode.com/problems/path-sum-ii https://leetcode.com/problems/rotate-list
405 905 113 Sort Array By Parity Path Sum II 74.1% 46.7% Easy Medium 0.009603915354180344 0.009784813879998279 https://leetcode.com/problems/sort-array-by-parity https://leetcode.com/problems/path-sum-ii
406 151 905 Reverse Words in a String Sort Array By Parity 21.9% 74.1% Medium Easy 0.009570916441992467 0.009603915354180344 https://leetcode.com/problems/reverse-words-in-a-string https://leetcode.com/problems/sort-array-by-parity
407 96 151 Unique Binary Search Trees Reverse Words in a String 52.9% 21.9% Medium Medium 0.009242209964820877 0.009570916441992467 https://leetcode.com/problems/unique-binary-search-trees https://leetcode.com/problems/reverse-words-in-a-string
408 1143 96 Longest Common Subsequence Unique Binary Search Trees 58.4% 52.9% Medium Medium 0.008835931134362285 0.009242209964820877 https://leetcode.com/problems/longest-common-subsequence https://leetcode.com/problems/unique-binary-search-trees
409 63 1143 Unique Paths II Longest Common Subsequence 34.6% 58.4% Medium Medium 0.008712753874961187 0.008835931134362285 https://leetcode.com/problems/unique-paths-ii https://leetcode.com/problems/longest-common-subsequence
410 763 63 Partition Labels Unique Paths II 76.1% 34.6% Medium Medium 0.008385793376274025 0.008712753874961187 https://leetcode.com/problems/partition-labels https://leetcode.com/problems/unique-paths-ii
411 84 763 Largest Rectangle in Histogram Partition Labels 35.2% 76.1% Hard Medium 0.00833685528906183 0.008385793376274025 https://leetcode.com/problems/largest-rectangle-in-histogram https://leetcode.com/problems/partition-labels
412 38 84 Count and Say Largest Rectangle in Histogram 44.6% 35.2% Easy Hard 0.007829360800435779 0.00833685528906183 https://leetcode.com/problems/count-and-say https://leetcode.com/problems/largest-rectangle-in-histogram
413 6 38 ZigZag Conversion Count and Say 36.3% 44.6% Medium Easy 0.0077116248757144665 0.007829360800435779 https://leetcode.com/problems/zigzag-conversion https://leetcode.com/problems/count-and-say
414 66 6 Plus One ZigZag Conversion 43.0% 36.3% Easy Medium 0.007324847595025828 0.0077116248757144665 https://leetcode.com/problems/plus-one https://leetcode.com/problems/zigzag-conversion
415 36 66 Valid Sudoku Plus One 48.7% 43.0% Medium Easy 0.007258242715805398 0.007324847595025828 https://leetcode.com/problems/valid-sudoku https://leetcode.com/problems/plus-one
416 204 36 Count Primes Valid Sudoku 31.5% 48.7% Easy Medium 0.007072165261362441 0.007258242715805398 https://leetcode.com/problems/count-primes https://leetcode.com/problems/valid-sudoku
417 118 204 Pascal's Triangle Count Primes 52.5% 31.5% Easy Easy 0.006749941254175012 0.007072165261362441 https://leetcode.com/problems/pascals-triangle https://leetcode.com/problems/count-primes
418 83 118 Remove Duplicates from Sorted List Pascal's Triangle 45.4% 52.5% Easy Easy 0.006353261522609498 0.006749941254175012 https://leetcode.com/problems/remove-duplicates-from-sorted-list https://leetcode.com/problems/pascals-triangle
419 1528 83 Shuffle String Remove Duplicates from Sorted List 86.1% 45.4% Easy Easy 0.006295047716793515 0.006353261522609498 https://leetcode.com/problems/shuffle-string https://leetcode.com/problems/remove-duplicates-from-sorted-list
420 237 1528 Delete Node in a Linked List Shuffle String 63.8% 86.1% Easy Easy 0.005144705881237697 0.006295047716793515 https://leetcode.com/problems/delete-node-in-a-linked-list https://leetcode.com/problems/shuffle-string
421 268 237 Missing Number Delete Node in a Linked List 51.7% 63.8% Easy Easy 0.0048804391649084865 0.005144705881237697 https://leetcode.com/problems/missing-number https://leetcode.com/problems/delete-node-in-a-linked-list
422 154 268 Find Minimum in Rotated Sorted Array II Missing Number 41.6% 51.7% Hard Easy 0.004780123824719199 0.0048804391649084865 https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii https://leetcode.com/problems/missing-number
423 155 154 Min Stack Find Minimum in Rotated Sorted Array II 44.5% 41.6% Easy Hard 0.00474891074128171 0.004780123824719199 https://leetcode.com/problems/min-stack https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii
424 141 155 Linked List Cycle Min Stack 41.1% 44.5% Easy Easy 0.0034937584669245472 0.00474891074128171 https://leetcode.com/problems/linked-list-cycle https://leetcode.com/problems/min-stack
425 94 141 Binary Tree Inorder Traversal Linked List Cycle 63.3% 41.1% Medium Easy 0.0033551449021403577 0.0034937584669245472 https://leetcode.com/problems/binary-tree-inorder-traversal https://leetcode.com/problems/linked-list-cycle
426 309 94 Best Time to Buy and Sell Stock with Cooldown Binary Tree Inorder Traversal 47.4% 63.3% Medium Medium 0.0028498166907604426 0.0033551449021403577 https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown https://leetcode.com/problems/binary-tree-inorder-traversal
427 260 309 Single Number III Best Time to Buy and Sell Stock with Cooldown 64.3% 47.4% Medium Medium 0.0020288097849578786 0.0028498166907604426 https://leetcode.com/problems/single-number-iii https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown
428 100 260 Same Tree Single Number III 53.4% 64.3% Easy Medium 0.0014080047382258295 0.0020288097849578786 https://leetcode.com/problems/same-tree https://leetcode.com/problems/single-number-iii
429 100 Same Tree 53.4% Easy 0.0014080047382258295 https://leetcode.com/problems/same-tree