View Code of Problem 3700

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main()
{
    int n,a[100],i;
    while(scanf("%d",&n)!=EOF)
    {
        if(n==0)
        {
            break;
        }
    i=0;
    while(n!=0)
    {
        a[i]=n%2;
        n=n/2;
        i++;
    }
    int m;
    for(i=0;;i++)
    {
        if(a[i]==1)
        {
            m=pow(2,i);
            printf("%d\n",m);
            break;
        }
    }
    }
    return 0;
}