Longest Common Prefix

LC 14 · 40 modes

Remove Duplicates from Sorted Array

LC 26 · 37 modes

Merge Sorted Array

LC 88 · 39 modes

Move Zeroes

LC 283 · 41 modes

Reverse String

LC 344 · 37 modes

Rotate String

LC 796 · 20 modes

Squares of a Sorted Array

LC 977 · 41 modes

Relative Sort Array

LC 1122 · 22 modes

Two Sum

LC 1 · 270 modes

String to Integer (atoi)

LC 8 · 23 modes

Next Permutation

LC 31 · 22 modes

Pow(x, n)

LC 50 · 33 modes

Sort Colors

LC 75 · 42 modes

Rotate Array

LC 189 · 36 modes

Count Primes

LC 204 · 23 modes

Basic Calculator II

LC 227 · 21 modes

Search a 2D Matrix II

LC 240 · 23 modes

Shortest Word Distance II

LC 244 · 22 modes

Count Univalue Subtrees

LC 250 · 20 modes

Perfect Squares

LC 279 · 28 modes

Peeking Iterator

LC 284 · 18 modes

Flatten Nested List Iterator

LC 341 · 23 modes

Decode String

LC 394 · 34 modes

String Compression

LC 443 · 24 modes

Serialize and Deserialize BST

LC 449 · 18 modes

Diagonal Traverse

LC 498 · 19 modes

Subarray Sum Equals K

LC 560 · 41 modes

Find K Closest Elements

LC 658 · 30 modes

Maximum Width of Binary Tree

LC 662 · 25 modes

Non-decreasing Array

LC 665 · 33 modes

Partition to K Equal Sum Subsets

LC 698 · 27 modes

Search in a Sorted Array of Unknown Size

LC 702 · 23 modes

Asteroid Collision

LC 735 · 35 modes

Reorganize String

LC 767 · 28 modes

Is Graph Bipartite?

LC 785 · 25 modes

Maximum Width Ramp

LC 962 · 21 modes

Snapshot Array

LC 1146 · 19 modes

Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit

LC 1438 · 23 modes

Group Anagrams

LC 49 · 262 modes

Top K Frequent Elements

LC 347 · 264 modes

Product of Array Except Self

LC 238 · 255 modes

Longest Valid Parentheses

LC 32 · 23 modes

First Missing Positive

LC 41 · 37 modes

Word Break II

LC 140 · 19 modes

Rearrange String k Distance Apart

LC 358 · 23 modes

Serialize and Deserialize N-ary Tree

LC 428 · 17 modes

Minimum Window Subsequence

LC 727 · 20 modes

Valid Palindrome

LC 125 · 264 modes

3Sum

LC 15 · 264 modes

Trapping Rain Water

LC 42 · 263 modes

Longest Substring Without Repeating Characters

LC 3 · 257 modes

Minimum Window Substring

LC 76 · 256 modes

Valid Parentheses

LC 20 · 267 modes

Min Stack

LC 155 · 252 modes

Find Minimum In Rotated Sorted Array

LC 153 · 257 modes

Search In Rotated Sorted Array

LC 33 · 256 modes

Median of Two Sorted Arrays

LC 4 · 257 modes

Reverse Linked List

LC 206 · 260 modes

Merge Two Sorted Lists

LC 21 · 251 modes

Linked List Cycle

LC 141 · 247 modes

Reorder List

LC 143 · 244 modes

Copy List With Random Pointer

LC 138 · 246 modes

Add Two Numbers

LC 2 · 255 modes

Find The Duplicate Number

LC 287 · 252 modes

LRU Cache

LC 146 · 250 modes

Merge K Sorted Lists

LC 23 · 254 modes

Reverse Nodes In K Group

LC 25 · 254 modes

Remove Duplicates from Sorted List

LC 83 · 34 modes

Intersection of Two Linked Lists

LC 160 · 28 modes

Subtree of Another Tree

LC 572 · 258 modes

Swap Nodes in Pairs

LC 24 · 29 modes

Binary Tree Zigzag Level Order Traversal

LC 103 · 26 modes

Sum Root to Leaf Numbers

LC 129 · 27 modes

Linked List Cycle II

LC 142 · 19 modes

Binary Search Tree Iterator

LC 173 · 26 modes

Lowest Common Ancestor of a Binary Tree

LC 236 · 20 modes

Odd Even Linked List

LC 328 · 21 modes

Find Leaves of Binary Tree

LC 366 · 20 modes

Add Two Numbers II

LC 445 · 23 modes

Boundary of Binary Tree

LC 545 · 17 modes

Flip Equivalent Binary Trees

LC 951 · 21 modes

Binary Tree Level Order Traversal

LC 102 · 259 modes

Binary Tree Right Side View

LC 199 · 259 modes

Validate Binary Search Tree

LC 98 · 258 modes

Binary Tree Cameras

LC 968 · 23 modes

Design Skiplist

LC 1206 · 16 modes

Serialize And Deserialize Binary Tree

LC 297 · 253 modes

Kth Largest Element In a Stream

LC 703 · 245 modes

K Closest Points to Origin

LC 973 · 249 modes

Kth Largest Element In An Array

LC 215 · 249 modes

Find Median From Data Stream

LC 295 · 248 modes

Subsets

LC 78 · 256 modes

Combination Sum

LC 39 · 255 modes

Combination Sum II

LC 40 · 253 modes

Permutations

LC 46 · 255 modes

Letter Combinations of a Phone Number

LC 17 · 255 modes

N Queens

LC 51 · 255 modes

Implement Trie Prefix Tree

LC 208 · 252 modes

Binary Gap

LC 868 · 23 modes

Number of Islands

LC 200 · 261 modes

Rotting Oranges

LC 994 · 251 modes

Surrounded Regions

LC 130 · 251 modes

Course Schedule

LC 207 · 250 modes

Cheapest Flights Within K Stops

LC 787 · 249 modes

House Robber

LC 198 · 257 modes

House Robber II

LC 213 · 258 modes

Longest Palindromic Substring

LC 5 · 258 modes

Coin Change

LC 322 · 262 modes

Word Break

LC 139 · 254 modes

Longest Increasing Subsequence

LC 300 · 263 modes

Partition Equal Subset Sum

LC 416 · 249 modes

Regular Expression Matching

LC 10 · 254 modes

Maximum Subarray

LC 53 · 260 modes

Hand of Straights

LC 846 · 250 modes

Merge Intervals

LC 56 · 261 modes

Meeting Rooms II

LC 253 · 246 modes

Happy Number

LC 202 · 252 modes

Plus One

LC 66 · 251 modes

Spiral Matrix

LC 54 · 250 modes

Pow(x, n)

246 modes