> #include<stdio.h>
> int f(int x,int y)
> { if(x>y)
>  return x-y;
>   else return x;
> }
> main()
> { int x,y,n,m,l,i;
>   scanf("%d%d%d%d%d",&x,&y,&n,&m,&l);
>   if(x==y&&x>20000000000&&y>20000000000&&n<0&&m<0&&n>20000000000&&m>20000000000&&l>21000000000)
>      goto end;
>   for(i=1;;i++)
>   { if(x==y) printf("%d",i-1);break;
>     x+=n;
>    y+=m;
>    x=f(x,l);
>    y=f(y,l);
>        if((i-1)>l) printf("Impossible");break;
>   }
> end: ;
> }
> 
> 

• Re:这个有问题吗~~~为什么会wrong answer! (7) marvin123 2010-07-04 15:54:23