DSA

Starting on 25 November, 2025 - 6 weeks · 4 classes/week · 2 hrs/class (9 PM IST - 11 PM IST) + Post-class Doubt Support 

Master most-feared DSA Topics: Recursion, DP, Trees and Graphs

 

Week 1

• Basic Understanding
• Recursive Stack Visualization
• Head and Tail Recursions
• Backtracking
• Identifying Problems
• Time Complexity Analysis
• LIVE Problem Solving

 

Week 2

• Dynamic Programming Basics
• Recursion to DP (Top-Down Approach)
• Iterative Solutions (Bottom-Up Approach)
• Space Optimization Techniques
• Time Complexity Analysis
• LIVE Problem Solving

 

Week 3

• Gap Method
• Identifying Hard Problems
• Time Complexity Analysis
• LIVE Problem Solving

 

Week 4

• Basics of Trees
• Traversals
• Recursive Problems on Trees
• Binary Search Trees
• Time Complexity Analysis
• LIVE Problem Solving

 

Week 5

• Basics of Graphs
• Traversals (BFS, DFS)
• Common Graph Algorithms
• Time Complexity Analysis
• LIVE Problem Solving

 

Week 6

• Identifying Hard Problems
• Time and Space Complexity Analysis
• LIVE Problem Solving
• Interview Focused Problems
• Interview Prep Tips

 

Frequently asked questions

Is this a Live or Recorded Course?

The next LIVE Batch is starting on 24th November 2025. This course includes recordings from previous LIVE batches. When you enroll, you get lifetime access to all recordings plus free entry into all upcoming LIVE batches.

Is the course for absolute beginners?

Recursion, DP, Trees, and Graphs will be taught from basics to an advanced level. The fundamentals will be explained, followed by a lot of practice to help you approach and solve advanced-level questions but this is not for someone who is an absolute beginner in coding.

Which programming languages will be used for coding?

Instructor Keerti Purswani will be coding in Python for this batch. She has coded in C++ and JAVA in previous batches. You will get access to the code in all three languages. Anyone familiar with any programming language will be able to follow along easily.

Will the code be provided?

Yes, in C++, JAVA and Python.

Is this course for freshers or for experienced people?

This course is for anyone aiming to master DSA. Years of experience doesn't matter.

How can I connect with fellow participants of the course?

You will be part of a discord community with different channels for networking, asking doubts and more.

Where can I ask you doubts?

The discord community will always be active!

Where are classes held?

All classes are held live on Zoom. Once the class ends, the unedited original recording is available.

What language will the course be taught in?

Everything will be taught in English.

What is the duration of classes?

Every class will be 2 hours long, from 9 PM IST to 11 PM IST, followed by additional doubt solving and extra support.

Do you have a mobile application?

We have a mobile application for both Android and iOS.

Can I watch the class recordings or go through notes offline?

You can download the recordings and notes on the mobile application and use them offline as per your convenience.

Do you provide certificate for the course?

The certificate of completion is available once the live classes are over.

Can I get invoices for reimbursement?

Yes, proper invoice with GSTIN is available as soon as you enroll for the course.

I have more questions, how can I reach out to you?

You can always reach us at support@educosys.com or connect with us directly on Call/WhatsApp: +91 9084249327. We will be happy to help!