> #include <stdio.h>
> void main()
> {
> 	unsigned long x,y,m,n,l,i,t;
> 	scanf("%u%u%u%u%u",&x,&y,&m,&n,&l);
> 	for(i=1;i<=l;i++)
> 	{
> 		x%=l;
> 		y%=l;
> 		t=m*i%l-n*i%l;
> 		if(t<0)
> 			t+=l;
> 		if(t==((y>x)?y-x:x-y))
> 		{
> 			printf("%d",i);
> 			return;
> 		}
> 	}
> 	printf("Impossible");
> }

• Re:这个程序为何通不过?谁可以帮我举个反例 (11) taishi 2009-07-24 13:34:08