30. Count Set Bits in an Integer

#include <stdio.h>
#include <stdint.h>

int countSetBits(unsigned int n) {
   uint8_t count = 0 ;
   for(uint8_t i= 0 ;i<32 ;i++)
   {
    if(n&1)
    {
        count++ ;
    }
     /* next bits */
      n >>= 1;
   }
   return count ; 
}

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