比较简单的一个题目,要注意输出的格式(对其格式以及空格等问题),附上AC代码:
#include <stdio.h>
int main(){
int a,b,r,m,n;
while(scanf("%d%d",&a,&b)!=EOF){
m = a;n = b;
if(a < b){
a += b;b = a -b;a -= b;
}
while(b > 0){
r = a % b;
a = b;
b = r;
}
printf("%10d%10d ",m,n);
puts(a == 1?"Good Choice":"Bad Choice");
puts("");
}
return 0;
}