How do you plan to solve it?
#include <stdio.h> int countSetBits(unsigned int n) { int count = 0; while(n){ count = count + (n & 0x01); n = n >> 1; } return count; } int main() { int n; scanf("%d", &n); printf("%d\n", countSetBits(n)); return 0; }
Test Cases
Test Results
Input
5
Expected Output
2