View Code of Problem 3700

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