Скачать или смотреть LeetCode 461 | Hamming Distance | Bit Manipulation | MAANG Preparation | Pen and Paper

LeetCode 461 | Hamming Distance | Bit Manipulation | MAANG Preparation | Pen and Paper

In this video, we solve LeetCode 461 — Hamming Distance using bit manipulation.
You’ll learn how to calculate the number of differing bits between two integers using XOR and the bit count operation — one of the simplest yet powerful techniques for coding interviews and MAANG preparation.

We’ll start with an intuitive explanation of what Hamming Distance means, then visualize it in binary, and finally write a clean and efficient C++ solution using XOR (^) and built-in bit counting functions.

🔹 What you’ll learn:

Understanding Hamming Distance concept

How XOR helps identify differing bits

Efficient C++ implementation

Step-by-step binary visualization

How this question improves your bit intuition

Follow-up variations: total Hamming distance, using Brian Kernighan’s bit-count trick

If you’re preparing for coding interviews or brushing up on bit manipulation basics, this problem is a must-solve.

📘 Structured notes, problems, and complete DSA roadmap available on 👉 penpaperpreparation.com

🎯 Channel: Pen and Paper — Learn concepts, not just code.