Learn LeetCode & DSA: A Free YouTube Roadmap (2026)

To learn LeetCode & DSA in 2026, follow this order: start with a beginner crash course, then a full course, then advanced deep dives. This roadmap sequences 19 of the best free YouTube videos — beginning with "How to Start Leetcode (as a beginner)" by Ashish Pratap Singh (1,590,241 views).

Step 1

Start Here

Beginner-friendly LeetCode & DSA intros and crash courses

How to Start Leetcode (as a beginner) Ashish Pratap Singh

1.6M views · 53K likes · 2 years ago

Quick Sort Algorithm Explained (Full Code Included) - Python Algorithm Series for Beginners Derrick Sherrill

205.4K views · 7.1K likes · 6 years ago

Introduction to Graphs | Data Structure & Algorithms Shradha Khapra

203.3K views · 3.5K likes · 9 months ago

Chapter 51 Introduction to Graphs in Data Structure Hindi Data Structure by Saurabh Shukla Sir

192.7K views · 2.8K likes · 10 years ago

Bubble Sort Algorithm Explained (Full Code Included) - Python Algorithms Series for Beginners Derrick Sherrill

175.8K views · 4.6K likes · 6 years ago

Step 2

Core Skills

Full courses and comprehensive LeetCode & DSA tutorials

But what is quantum computing? (Grover's Algorithm) 3Blue1Brown

3.4M views · 88.3K likes · 1 year ago

Acing Google Coding Interview as an 18 year old High School Student William Lin (tmwilliamlin168)

2.9M views · 50.2K likes · 6 years ago

Namaste DSA 🚀 - Zero to Hero course for Data Structures & Algorithm Akshay Saini

2.5M views · 3.1K likes · 11 months ago

Bresenham's Line Drawing Algorithm Abdul Bari

510.6K views · 9.9K likes · 7 years ago

A Strange But Elegant Approach to a Surprisingly Hard Problem (GJK Algorithm) Reducible

372.2K views · 13.7K likes · 5 years ago

Quicksort Sort Algorithm in Java - Full Tutorial With Source Coding with John

300.6K views · 9K likes · 4 years ago

Step 3

Advanced & Deep Dives

Go deeper into LeetCode & DSA internals and real-world use

Complete DSA course - 50 hours to master technical interviews Destination FAANG

80.4K views · 2.4K likes · 8 months ago

Bayesian Optimization - Math and Algorithm Explained Machine Learning Mastery

69.9K views · 0 likes · 5 years ago

Solve Leetcode SQL 50 Questions with me | Part 1 | Master SQL for Interviews Build with Akshit

68.7K views · 1.6K likes · 1 year ago

Step 4

Stay Current

The freshest LeetCode & DSA videos from the last 6 months

How he got selected in Zomato - DSA preparation Apna College

499.6K views · 16.1K likes · 5 months ago

DSA Complete Series 🚀 : Data Structures & Algorithms || 150 day Challenge CodeHelp - by Babbar

385.8K views · 4K likes · 2 months ago

Complete Placement Preparation: DSA + Web Development + Aptitude | New Sigma 11 & Sigma Prime 🚀 Apna College

319.6K views · 6.5K likes · 4 months ago

Credit Card Validation Explained | Luhn’s Algorithm (Step-by-step) | Ep-1 take U forward

219.7K views · 7.2K likes · 1 month ago

How to prepare for Tech Placements & Internships ? | CGPA, Development, DSA, Core Subjects | QnA Apna College

175.3K views · 6.4K likes · 7 days ago

Want a roadmap tailored to your goal and experience? Try the free AI learning planner →

Related Roadmaps

System Design Git & GitHub C++C