Count Set Bits in an Integer

Code

#include <stdio.h>

int countSetBits(unsigned int n) {
unsigned int count = 0;
while (n>0)
{
  if(n & 1 == 1)
  {
    count ++;
  }
  n >>= 1;  
}
return count;
}

int main() {
    int n;
    scanf("%d", &n);
    printf("%d", countSetBits(n));
    return 0;
}

Solving Approach