Leetcode 191 numbers of 1 bit in an int

**LeetCode 191: Count 1 Bits with Bitwise Magic (C++)!**

**Master** the art of counting 1 bits efficiently! This C++ solution utilizes **bitwise AND** (&) to conquer LeetCode 191. **Unleash** the power of bit shifting for a **one-liner** solution (optional). **Impress** interviewers with your **low-level manipulation skills!** **(Search "LeetCode 191 Bit Counting Visualization" for a clearer view!)**

This description incorporates these elements:

* **Keywords:** LeetCode 191, Number of 1 Bits, Bitwise AND
* **Buzzwords:** Master, Bitwise Magic, Unleash, One-liner (optional), Impress, Low-Level Manipulation