ZOJ 2388 Beat the Spread

每天刷刷签到题 铁废物无疑

#include 
#include 
#include 
int main()
{
	int T,x,y,s,d;
	scanf("%d",&T);
	while (T--)
	{
		scanf("%d%d",&s,&d);
		y=(s-d)/2;
		x=d+y;
		if (x<0 || y<0 || x+y!=s || abs(x-y)!=d)
			printf("impossiblen");
		else
		{
			if (x>y)
				printf("%d %dn",x,y);
			else
				printf("%d %dn",y,x);
		}
	}
	return 0;
}