1 2样例输出
2 1
#include<stdio.h>
#define swap(a,b) t=a;a=b;b=t;
int main()
{
int x,y,t;
scanf("%d%d",&x,&y);
swap(x,y);
printf("%d %d",x,y);
return 0;
}
1 2样例输出
2 1
#include<stdio.h>
#define swap(a,b) t=a;a=b;b=t;
int main()
{
int x,y,t;
scanf("%d%d",&x,&y);
swap(x,y);
printf("%d %d",x,y);
return 0;
}