#include<stdio.h>
void main()
{
     unsigned long int  i,x,y,m,n,l,t,g;
	 scanf("%u%u%u%u%u",&x,&y,&m,&n,&l);
     t=(x+m)%l;
     g=(y+n)%l;
	 for(i=1;;)
	 {  
			if(t==x&&g==y)
            {
				printf("Impossible\n");
				break;
			}
            else
			{
				if(t==g)
				{   
			        printf("%u\n",i);
		            break;
				}
		        else
				{
					t=(t+m)%l;
                    g=(g+n)%l;
		     	    i++;
			       continue;
				}
			}
	}
}

• Re:高手们帮帮忙怎样才能不超时 (552) 2008624 2009-08-17 14:06:26