Isomorphic Strings

LC 205 · 38 modes

Intersection of Two Arrays II

LC 350 · 19 modes

Fizz Buzz

LC 412 · 22 modes

Reverse Words in a String III

LC 557 · 18 modes

Design HashMap

LC 706 · 33 modes

Find Pivot Index

LC 724 · 42 modes

Height Checker

LC 1051 · 23 modes

Check If a Number Is Majority Element in a Sorted Array

LC 1150 · 23 modes

Two Sum

LC 1 · 270 modes

Simplify Path

LC 71 · 36 modes

Reverse Words in a String

LC 151 · 21 modes

Largest Number

LC 179 · 42 modes

Search a 2D Matrix II

LC 240 · 23 modes

Flatten 2D Vector

LC 251 · 22 modes

Design Snake Game

LC 353 · 19 modes

Insert Delete GetRandom O(1)

LC 380 · 35 modes

Shuffle an Array

LC 384 · 19 modes

Decode String

LC 394 · 34 modes

K-diff Pairs in an Array

LC 532 · 19 modes

Top K Frequent Words

LC 692 · 22 modes

Find the Smallest Divisor Given a Threshold

LC 1283 · 15 modes

Group Anagrams

LC 49 · 262 modes

Product of Array Except Self

LC 238 · 255 modes

Valid Sudoku

LC 36 · 256 modes

First Missing Positive

LC 41 · 37 modes

Candy

LC 135 · 24 modes

The Skyline Problem

LC 218 · 23 modes

LFU Cache

LC 460 · 24 modes

Design Search Autocomplete System

LC 642 · 21 modes

Reaching Points

LC 780 · 23 modes

Maximum Frequency Stack

LC 895 · 31 modes

Integer to Roman

LC 12 · 35 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

Sliding Window Maximum

LC 239 · 256 modes

Valid Parentheses

LC 20 · 267 modes

Implement Queue using Stacks

LC 232 · 20 modes

Min Stack

LC 155 · 252 modes

Daily Temperatures

LC 739 · 252 modes

Find Minimum In Rotated Sorted Array

LC 153 · 257 modes

Search In Rotated Sorted Array

LC 33 · 256 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

Invert Binary Tree

LC 226 · 263 modes

Remove Duplicates from Sorted List

LC 83 · 34 modes

Symmetric Tree

LC 101 · 26 modes

Remove Duplicates from Sorted List II

LC 82 · 22 modes

Lowest Common Ancestor of a Binary Tree

LC 236 · 20 modes

Binary Tree Vertical Order Traversal

LC 314 · 18 modes

Count Good Nodes In Binary Tree

LC 1448 · 259 modes

Validate Binary Search Tree

LC 98 · 258 modes

Serialize And Deserialize Binary Tree

LC 297 · 253 modes

Last Stone Weight

LC 1046 · 254 modes

Kth Largest Element In An Array

LC 215 · 249 modes

Find Median From Data Stream

LC 295 · 248 modes

Permutations

LC 46 · 255 modes

Generate Parentheses

LC 22 · 254 modes

Letter Combinations of a Phone Number

LC 17 · 255 modes

Word Search II

LC 212 · 247 modes

Number of Islands

LC 200 · 261 modes

Pacific Atlantic Water Flow

LC 417 · 256 modes

Course Schedule

LC 207 · 250 modes

Word Ladder

LC 127 · 255 modes

Word Break

LC 139 · 254 modes

Longest Increasing Subsequence

LC 300 · 263 modes

Maximum Subarray

LC 53 · 260 modes

Merge Intervals

LC 56 · 261 modes

Rotate Image

LC 48 · 252 modes

Design Tic-Tac-Toe

LC 348 · 19 modes

Set Matrix Zeroes

LC 73 · 249 modes

Missing Number

LC 268 · 251 modes