Solve LeetCode Question 150 – Reverse Polish Notation (RPN) in the easiest way!
In this video, I explain the complete approach in Hindi, using Stack logic, real examples, dry run, and time complexity analysis.
Perfect for interview preparation, coding rounds, and DSA revision.
📌 What you will learn in this video:
What is Reverse Polish Notation
How RPN works using a stack
Step-by-step dry run
Edge cases
Time & Space complexity
Clean and efficient solution
📌 LeetCode Q150 (Evaluate Reverse Polish Notation) is one of the most important stack questions asked in many product-based companies.
If you are preparing for FAANG, MAANG, or any tech interview, this question is a must-learn!
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LeetCode 150 | Reverse Polish Notation Explained in Hindi | Stack Interview Question | NatokHD