#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! (483) marvin123 2010-07-04 15:53:51
  • Re:这个有问题吗~~~为什么会wrong answer! (7) marvin123 2010-07-04 15:54:23