# LeetCode 0191 - Number of 1 Bits

## Contents

# Number of 1 Bits

## Desicription

Write a function that takes an unsigned integer and returns the number of ‘1’ bits it has (also known as the Hamming weight).

**Example** 1:

1 | Input: 11 |

**Example** 2:

1 | Input: 128 |

## Solution

1 | class Solution { |