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DSA

DSA Foundations

Understand how data structures and algorithms work, and why, before grinding problems.

Algorithms

Abdul Bari, 84 videos, English

Abdul Bari's classic whiteboard lectures; the best intuition for complexity, greedy and DP.

Open on YouTube

3 picks, in suggested order

DSA for Placements
Complete, problem-driven DSA courses built for coding rounds at product companies.
take U forward, CodeHelp (Love Babbar), Kunal Kushwaha, Apna College
4 playlists678 videosEnglishHindi
Recursion & Dynamic Programming
The topic most candidates fear. These playlists turn DP into repeatable patterns.
Aditya Verma, take U forward
4 playlists148 videosEnglishHindi
Trees & Graphs
Traversals, BSTs, shortest paths, topological sort and union-find, explained with problems.
take U forward, William Fiset
3 playlists153 videosEnglish