30. Count Set Bits in an Integer

#include<stdio.h>
int count(int n){
    unsigned int num = n;
    int count = 0;
    while(num!=0){
        if(num & 1 == 1)
        {
            count++;
        
            
        }
        num = num >> 1;
    }
    return count;
}
int main()
{
    int n;
    scanf("%d",&n);
    int result = count(n);
    printf("%d",result);
    return 0;

}