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先做些简单的吧,

Posted by sunmoonstar_love at 2005-07-12 22:33:38 on Problem 1061
In Reply To:本人写了一个时间复杂度为O(1)算法 试了好多数都通过 但提交不了 怎么回事呀 Posted by:xq111 at 2005-07-12 22:23:01
> 
> #include <iostream.h>
> #include <math.h>
> 
> void main()
> {
> 	unsigned long int x,y,m,n,L,t;
>     cin>>x>>y>>m>>n>>L;
> 	if(m==n) cout<<"Impossible"<<endl;
> 	else
> 	{
> 		if(m>n)
> 		{
> 			if(abs(x-y)%(m-n)==0)
> 			{
> 				t=abs(x-y)/(m-n);
> 				cout<<t<<endl;
> 			}
> 			else cout<<"Impossible"<<endl;
> 		}
> 		else
> 		{
> 			if((L-abs(x-y))%(n-m)==0)
> 			{
> 				t=(L-abs(x-y))/(n-m);
> 				cout<<t<<endl;
> 			}
> 			else cout<<"Impossible"<<endl;
> 		}
> 	}
> }

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