If you are a BTech student and still haven’t started DSA, this page might save your placement.
Most students realize the importance of Data Structures & Algorithms only in final year.
Don’t be that student
What is DSA? (Simple Explanation)
Explain briefly:
- Data Structures = How data is stored
- Algorithms = How problems are solved efficiently
Best YouTube Playlists
Full DSA Course (Beginner Friendly)
- 🔗 [Apna College C++ Playlist]
- 🔗 [Strivers DSA Playlist]
- 🔗 [Engineering Animuthyam DSA Java]
- 🔗 [LoveBabbar C++ Playlist]
- 🔗 [Kunal Kushwaha Java Playlist]
- 🔗 [Shradha Khapra DSA Playlists]
- 🔗 [DSA Python Engineering Animuthyam]
- 🔗 [Free Code Camp Python DSA]
Best Websites to Practice DSA
0. HackerRank
- Best for Beginners Coding
1. LeetCode
- Best for: Product company preparation
- Focus on: Easy → Medium problems
2. CodeChef
- Good for structured roadmap
3. GeeksforGeeks
- Best for theory + practice
4. TakeUForward
- Best DSA Sheet
5. Codeforces
- Good for competitive programming
Best Visualizers For DSA
Common Mistakes Students Do
- Watching tutorials without solving
- Jumping to DP directly
- Not revising patterns
- Solving random problems without structure
How to Practice Smartly
- Focus on patterns
- Solve 3–4 problems per pattern
- Revise weekly
- Don’t count number of problems — count patterns mastered
This matches your content style.
Final Advice
If you are in 1st or 2nd year, start now.
If you are in 3rd year, don’t panic — start today.
If you are in final year, even now it’s not too late.
Consistency beats talent in DSA.