Maximum Product of Two Elements in an Array

LC 1464 · 16 modes

Two Sum

LC 1 · 263 modes

Continuous Subarray Sum

LC 523 · 27 modes

4Sum

LC 18 · 31 modes

3Sum

LC 15 · 257 modes

Longest Substring Without Repeating Characters

LC 3 · 250 modes

Valid Parentheses

LC 20 · 260 modes

Longest Valid Parentheses

LC 32 · 16 modes

Search In Rotated Sorted Array

LC 33 · 249 modes

Middle of the Linked List

LC 876 · 25 modes

Merge Two Sorted Lists

LC 21 · 244 modes

Reorder List

LC 143 · 237 modes

Two Sum IV - Input is a BST

LC 653 · 12 modes

Subtree of Another Tree

LC 572 · 251 modes

Binary Tree Zigzag Level Order Traversal

LC 103 · 14 modes

Vertical Order Traversal of a Binary Tree

LC 987 · 15 modes

Generate Parentheses

LC 22 · 247 modes

Number of Nodes in the Sub-Tree With the Same Label

LC 1519 · 11 modes

Word Ladder

LC 127 · 248 modes

Longest Palindromic Substring

LC 5 · 251 modes

Largest 1-Bordered Square

LC 1139 · 14 modes

Maximal Rectangle

LC 85 · 16 modes

Number of Paths with Max Score

LC 1301 · 13 modes

Burst Balloons

LC 312 · 242 modes

Next Permutation

LC 31 · 15 modes

Reverse Bits

LC 190 · 241 modes