hdu1014

#include <stdio.h>

int gcd(int a, int b)
{
int t;
while(t=a%b)
{
a=b;
b=t;
}
return b;
}

int main(void)
{
int s,m,i;
while(scanf("%d %d", &s, &m)!=EOF)
{
printf("%10d%10d",s,m);
if(gcd(s,m)==1)
{
printf(" Good Choice\n\n");
}
else
{
printf(" Bad Choice\n\n");
}
}
return 0;
}

hdu1014

原文：http://www.cnblogs.com/wangkun1993/p/6275631.html