#include <iostream.h>

int main()
{int x,y,m,n,L;
cin>>x>>y>>m>>n>>L;
int Num=0;

while(x!=y )
{if (m==n) 
{cout<<"Impossible\n";
break;}
x=x+m;
y=y+n;
if(x>L)
{x=x%L;}
if(y>L)
{y=y%L;}
Num++;
}
if(x==y)
cout<<Num<<endl;


return 0;  
}

• 写好格式,才有人看. (0) winter_1 2006-04-25 19:51:02
• Re:为什么总是超时？该怎么改进啊 (76) hanhui8301 2006-05-01 15:20:11