Count Set Bits in an Integer

#include <stdio.h>

int countSetBits(unsigned int n) {
    // Write your code here
    // printf("%d\n",n);//issue want if unsigned int is there wht input value was -1
    int count=0;
    // for(int i=0; i<8; i++)
    // {
    //     if(((n>>i)&0x01)==1) count++;
    // }
    while(n)
    {
        count += n&1;
        n >>= 1;
    }
    return count;
}

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