HDOJ1014 Uniform Generator

 1 #include <stdio.h>
 2 int gcd(int a,int b)
 3 {
 4     int t,min,max;
 5     min=a<b?a:b;
 6     max=a<b?b:a;
 7     while (t=max%min,t!=0)
 8     {    
 9         max=min;
10         min=t;
11     }
12     return min;
13 }
14 int main()
15 {
16     int a,b,g;
17     while (~scanf("%d%d",&a,&b))
18     {
19         g=gcd(a,b);
20         printf("%10d%10d    ",a,b);
21         if(g>1)
22             printf("Bad Choice\n\n");
23         else
24             printf("Good Choice\n\n");
25     }
26     return 0;
27 }