Comprehensive Data Structures & Algorithms Structured Course by
Kumar K (SDE @ Amazon)
SDE @ Amazon
2100+ rated on LeetCode (Top 1% in world)
YouTube & LinkedIn (1 Lakh+ followers)
All India Rank 12 in CodeJam and World Rank 360 in KickStart
All India Rank 15 out of 200,000
All India Rank 26 in LeetCode Weekly Contest
Having mentored 1200+ students in 5 years with 1158 successful placements in top tech companies, Kumar knows the struggle of breaking into tech from humble beginnings. His journey from a Tier-4 college to becoming an Amazon SDE will help you for your roadmap to success.
Don't copy exact variables or logic. Understand concepts and create your own approach.
Focus on understanding core ideas and implement them your own way.
Analyze why each part is necessary to grasp deeper concepts.
Build solid foundation for easy adaptation at higher levels.
This course is to be done by those students whose basic programming fundamentals are clear.
๐ Revision Notes Template: Create revision notes like this template: Template Link
This is the warm up DSA course. Once you complete it, join the premium 850 hour DSA course at https://training.desiqna.in
You have to complete this to be ready to join the pro batch and start attending pro DSA sessions! (Watch all videos + make notes even if you know the solution)
Session | Content | Resources | |
---|---|---|---|
Foundation | Hashing Part 0, 1, 2 | ||
Sessions 0-9 | Concept Building Sessions |
๐ Session-0 ๐DOC ๐ Session-1 ๐ DOC ๐ Session-2 ๐ Doc ๐ Session-3 ๐ Doc ๐ Session-4 ๐ DOC ๐ Session-5 ๐ Doc ๐ Session-6 ๐ DOC ๐ Session-7 ๐ DOC ๐ Session-8 ๐ Doc ๐ Session-9 ๐ Doc |
|
Session 10 | Amazon OA Session | ||
Session 11 | Zscaler OA |
๐ Video
๐ DOC |
|
Session 12 | Interview Level | ||
Session 13 | Interview Level | ||
Recap | Recap | ||
Session 14 | Interview Level |
๐ Video
๐DOC ๐DOC |
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Session 15 | Interview Level |
๐ Video
๐ DOC |
|
Session 16 | Interview Level |
๐ Video
๐ DOC ๐ DOC |
- |
Session 17 | Hashing,Prefix Sum,Suffix Sum |
๐ Video
๐ Doc |
|
Session 18 | Amazon OA 2025 P1 |
๐ Video
๐ Doc |
|
Session 19 | Hashing,Prefix Sum,Suffix Sum |
๐ Video1
๐ Video2 ๐ Doc |
Session | Content | Resources | Importance |
---|---|---|---|
Master-class | Two Pointer Template + Master-class | ๐ฅ VERY IMPORTANT | |
Foundation | Strong Foundational Video + Google Interview Session |
๐Video 1 ๐Google Interview Video |
๐ข Google Interview DOc |
Microsoft OA | Microsoft Interview Session |
๐Video 1 ๐Doc |
|
Google SDE-3 Interview Part 1 | Google SDE-3 Interview Part 1 |
๐Video 1 ๐DOC |
|
Google SDE-3 Interview Part 2 | Google SDE-3 Interview Part 2 |
๐Video 1 ๐DOC |
Topic | Content | Platform/Company | Resources |
---|---|---|---|
Introduction | Intro + Leetcode Contest | LeetCode |
๐Video
๐Video ๐DOC 0 ๐DOC 1 |
Advanced | Codeforces(D) Problem Solving | Codeforces |
๐ Video
๐ DOC |
Competitive | Codechef 1900+ Rated Problems | CodeChef |
๐ Video
๐ DOC |
Industry OA | IBM OA | IBM |
๐ Video
๐DOC |
Advanced | Codechef Problem Session | CodeChef |
๐ Video
๐ DOC |
Hybrid | Greedy + Intuition + Two Pointer | Goldman Sachs |
๐ Video
๐ DOC |
Advanced | Greedy + Math Analysis | Atlassian (70LPA) |
๐ Video
๐ DOC |
Session | Content | Resources | Solutions |
---|---|---|---|
Session 1 | Introduction (Explanation by Kumar K) |
Video |
Topic | Content | Resources | |
---|---|---|---|
Modulo Knowledge | Fundamental concepts |
๐Video
๐DOC | |
Math(nCR) | Foundational Concept |
๐Video
๐DOC |
- |
Factor + Prime Factor | Intro 0 |
๐Video
๐DOC |
- |
Factor + Prime Factor | Intro 1 |
๐Video
๐DOC |
- |
Factor + Prime Factor | Codechef Contest P0, P1 |
๐Video 1 ๐Video 1 ๐DOC |
- |
Factor Optimization | Google SDE-2 Interview |
๐ Video 1 ๐ Video 2 ๐ Video 3 ๐ DOC | - |
Session | Content | Resources | |
---|---|---|---|
Session 1 | Fundamental tree concepts |
๐ Video
๐ DOC | |
Session 2 | Advanced tree traversal |
๐ Video
๐ DOC | |
Session 3 | Google SWE Intern OA |
๐ Video
๐ DOC |
- |
Session 4 | Tree optimization techniques |
๐ Video
๐ DOC |
|
Session 5 | VmWare OA |
๐ Video
๐ DOC |
After completing the prerequisite DSA course by Kumar K sir, proceed to the next level:
This comprehensive guide will take your DSA skills to the next level and prepare you for top tech company interviews + OA