Count Set Bits in an Integer

Code

#include <stdio.h>

int countSetBits(unsigned int n) {
  int c=0;
  while (n){
    
        c=c+(n&1);
      n= n>>1;

  }
  return c;
}

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

Solving Approach