Stack Interview Question 🔥 Next Greater Element with Full Dry Run (Python)

In this video, we learn one of the most important data structures in DSA — the Stack — from absolute scratch.

I start by explaining how a stack works (LIFO concept), its basic operations like push, pop, and peek, and then move on to one of the most frequently asked interview problems: Next Greater Element.

We also do a complete dry run of the code so you can clearly understand how the stack is used to optimize the solution from O(n²) to O(n).

Topics covered:

* What is a Stack?
* Stack operations (push, pop, peek)
* Intuition behind Next Greater Element
* Monotonic Stack concept
* Step-by-step dry run
* Python implementation

This video is perfect for beginners who are starting DSA and want to build strong fundamentals for coding interviews.

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Видео Stack Interview Question 🔥 Next Greater Element with Full Dry Run (Python) канала GAURAV KUMAR JAIN