30. Count Set Bits in an Integer

#include <stdio.h>

int countSetBits(unsigned int n) {
    // Write your code here
    int co=0;
    for(int i=0; i<32; i++){
        co=(n&(1<<i))?++co:co;
    }
    return co;
}

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