Binary Numbers

Level MEDIUM

Calculate and return number of 1s in binary representation of given number n.

Input format :

Integer n

Output Format :

In one line print the total number of 1s which satisfy above description

Constraints :

1 <= n <= 2^63 - 1

Sample Input :

 4

Sample Output :

 1

Sample Input Explanation :

4 can be represented as 100 in binary, which has only one 1 in binary representation.

	num=int(input())
	print(bin(num).count("1"))

view raw Binary Numbers.py hosted with ❤ by GitHub