LeetCode Resources

Curated LeetCode resources from AlgoMaster Newsletter to learn Data Structures and Algorithms (DSA) and prepare for coding interviews.

Join Free Newsletter Practice Problems

💡 Tips

How I Mastered DSA

Complete guide to mastering data structures and algorithms

How to Start LeetCode

Beginner's guide to starting your LeetCode journey in 2025

15 Leetcode Patterns

Essential patterns to solve most LeetCode problems

📌 Fundamental Concepts

Algorithmic Complexity

Big-O Cheat Sheet

Bit Manipulation Techniques

Sorting Algorithms

Linked List

Dummy Node Technique

Queues

Stacks

Hash Tables

Heaps

Recursion

Backtracking

Trees

Tries

Binary Search

Greedy Algorithm

Dynamic Programming

Graph Theory

Important Graph Algorithms

DFS Traversal

BFS Traversal

Union-Find

Dijkstra Algorithm

Minimum Spanning Tree

🚀 Patterns

15 Leetcode Patterns

20 DP Patterns

Two Pointers Pattern

Sliding Window Pattern

Prefix Sum Pattern

Fast and Slow Pointers Pattern

Top 'K' Elements Pattern

Kadane's Algorithm

Sliding Window Pattern

Linked List In-place Reversal Pattern

Monotonic Stack Pattern

Overlapping Intervals Pattern

Backtracking Pattern

Modified Binary Search Pattern

Tree Patterns

Tree Iterative Traversal

Tree Question Pattern

Graph Patterns

DFS + BFS Patterns (1)

DFS + BFS Patterns (2)

📝 Must-Read Leetcode Articles

Sliding Window Template

Two Pointers Patterns

Collections of Important String Questions

Substring Problem Template

Binary Search Template

A General Approach to Backtracking Questions

Monotonic Stack Template

Heap Patterns

Bit Manipulation Patterns

Dynamic Programming Patterns

Stock Series Patterns

✅ Curated Problems

AlgoMaster 300

Curated collection of 300 essential problems

Blind 75

75 most important LeetCode questions

Leetcode Top 100 Liked

Most liked problems on LeetCode

Leetcode Top Interview 150

Top 150 interview questions

📺 YouTube Playlist

AlgoMaster LeetCode Pattern Playlist

Abdul Bari's Algorithms Playlist

William Fiset's Data Structure Playlist

William Fiset's Graphs Playlist

Tushar Roy's Dynamic Programming Playlist

📇 Courses

Coursera - Algorithms, Part I

Coursera - Algorithms, Part 2

📚 Books

Data Structures And Algorithms Made Easy

Cracking the Coding Interview

🔎 Visualization & Extensions

VisuAlgo

Visualizing data structures and algorithms

Algo-lens

Visualize leetcode problems

LeetCode Timer

Time your practice sessions

LeetCode VS Code Extension

Solve problems in VS Code