HDU-1196(lowest bit)

题目链接: https://vjudge.net/problem/HDU-1196

#include <cstdio>
#include <iostream>

using namespace std;

int lowbit(int x)
{
    return x&-x;
}
int main()
{
    int n;
    while(scanf("%d", &n) != EOF && n)
        printf("%d\n", lowbit(n));
}