Find one's | Practice Problems

Find one's

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Easy

Details

Problem

You are given a number N. Your task is to find the number of 1's in the binary representation of N.

Input Format:

Input will contain an integer N.

Output Format:

Output will contain the number of one's in the binary representation of N.

Constraints:

1 $\le$ N $\le$ 10¹⁸

Sample Input

Sample Output

Time Limit: 1

Memory Limit: 256

Source Limit: