DSA Roadmap

Master Data Structures & Algorithms topic by topic. Hand-picked questions to build your foundation.

Topic Wise Company Archive

Arrays

Name Difficulty Frequency Tags
Two Sum Easy
Array Hash Table ↗
Best Time to Buy and Sell Stock Easy
Array DP ↗
Container With Most Water Medium
Array Two Pointers ↗

Bit Manipulation

Name Difficulty Frequency Tags
Single Number Easy
Bit Manipulation ↗
Number of 1 Bits Easy
Bit Manipulation ↗
Counting Bits Easy
Bit Manipulation DP ↗

Trees

Name Difficulty Frequency Tags
Maximum Depth of Binary Tree Easy
Tree DFS ↗
Invert Binary Tree Easy
Tree BFS ↗
Validate Binary Search Tree Medium
Tree BST ↗