python/TangDou/AcWing/BIT/801.cpp

#include <iostream>
using namespace std;

int lowbit(int x) {
    return x & (-x);
}

int main() {
    int n;
    cin >> n;
    while (n--) {
        int x;
        cin >> x;

        int res = 0;
        while (x) x -= lowbit(x), res++;

        printf("%d ", res);
    }
    return 0;
}