比较低级做法
#include<bits/stdc++.h>
using namespace std;
const int N = 100010;
int a[N];
int main(){
int n;
cin>>n;
while(n--){
int k = 0;
int num = 0;
cin>>num;
int i = 1;
while(num){
i = num%2;
num = num/2;
if(i==1) k++;
}
cout<<k<<' ';
}
}