稍微笨法子:也可以添加哨兵在判断ab大小的时候
#include using namespace std;
int main() {
// write your code here......
int a,b;
scanf("%d%d",&a,&b);
if(a>b)
{ //s=a;
//a=b;
//b=s;
//就可以把最后一条else语句中的所有内容去掉了 两种法子
printf("%d" " ",a+b);
printf("%d" " ",a-b);
printf("%d" " ",a*b);
printf("%d" " ",a/b);
printf("%d" " ",a%b);
}
else{
printf("%d" " ",b+a);
printf("%d" " ",b-a);
printf("%d" " ",b*a);
printf("%d" " ",b/a);
printf("%d" " ",b%a);
}
return 0;
}