Number of 1 Bits

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Yahoo
Qualcomm

Problem Description

Write a function that takes an integer and returns the number of 1 bits it has.

Problem Constraints

0 <= A <= 4294967295

Input Format

First and only argument contains integer A

Output Format

Return an integer as the answer

Example Input

Input1:

Example Output

Output1:

Example Explanation

Explaination1:

11 is represented as 1101 in binary

NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified. Still have a question? Checkout Sample Codes for more details.

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