How to Learn DSA?

Learn a programming language first

Understand time and space complexity

Start with arrays and strings

Learn recursion

Learn linked lists

Learn stacks and queues

Learn hash maps and hash sets

Learn sorting algorithms

Learn binary search

Learn trees and binary trees

Learn binary search trees

Learn heaps and priority queues

Learn graphs

Learn graph traversal techniques

Learn dynamic programming

Learn greedy algorithms

Learn backtracking

Practice basic problems daily

Solve problems by topic

Study patterns, not just solutions

Write code by hand before using an editor

Debug your own solutions

Review mistakes and weak topics

Use spaced repetition for revision

Implement data structures from scratch

Solve easy problems before medium and hard

Read editorials after attempting problems

Track progress consistently

Revisit old problems regularly

Build small projects using DSA concepts

Practice mock interviews

Focus on problem-solving patterns

Stay consistent every day