Lecture Notes: How to Learn Data Structures and Algorithms (DSA) from A to Z

Introduction

• Objective: Learn in-depth DS algo from A to Z
• Resource Mentioned: AQ Forward website (not YouTube)
• Course: A to Z DSA course with 455 modules covering 18-19 topics
• Cost: Free
• Comparison with Paid Courses: Covers more problems

Recommended Learning Approach

Theory & Problems

• Theory: Watch the videos to understand the topic, don't dive too deep
• Problems: Focus on solving problems to develop problem-solving skills

Steps to Solve Problems

1. Pick a problem as per the course step-by-step guide
2. Solve with brute force/extreme naive solution first
3. Convert thought process into code, submit it
4. If it doesn’t work, read the attached blogs and categorized solutions
5. Create notes for understanding and revision
6. Retry the solution without additional help

Accelerated Learning with a Mentor

• Platform: Pre-Placed website
• Benefits: Personalized roadmap, regular progress checks, additional project ideas, mock interviews, resume reviews, referral opportunities
• Discount: Mentors can provide personalized discount codes or use 'stri th000'
• Free Trial: Book a free trial session with any mentor

Addressing Common Misconceptions

Misconception 1: Course is in C++

• Reality: Only one intro video in C++, rest in pseudo code
• Resources: Blogs with C++, Java, Python, JavaScript codes

Misconception 2: Not Beginner Friendly

• Reality: Course designed to start from easy to advanced problems
• Structure: 455 modules, covers easy, medium, advanced problems
• Course Comparison: Unlike other courses, it covers a wide range of problems, not just basic ones

Course Details

• Total Concepts: ~250 to 300 concepts
• Problem Count: Multiple problems per concept, solving all 455 not necessary
• Practice: Problems provided for betterment, choose which to solve

Additional Recommendations

Contest Participation

• Platforms: LeetCode, Codeforces
• Frequency: Participate in every contest for the next 2 years
• Benefits: Expose to new concepts and problems, enhances learning

Conclusion

• Links Provided: A to Z DSA course, Pre-Placed, social media channels
• Final Advice: Follow the website course structure, not YouTube channel
• Wrap Up: Emphasized continuous learning and contest participation