[code deleted]

Edited by author 28.04.2007 19:02

Edited by author 28.04.2007 19:03

Edited by author 24.05.2007 00:35

Mmmm.... Vry, very good solution! Especially I like this lines:

if(n==21)
cout<<"138879579704209680000";

So, as you say, YOUR solution is very simple, isn't it? ))))))))))))))))))))

Oh, sorry, not simple. Easy.

I hope you really enjoyed this solution!!!
I write this line:
if(n==21)
cout<<"138879579704209680000";
because unsigned __int64 doesn't enough to count it!!!
To count this test I used long arithmetic!!!

So, why you didn't use long arithmetic in your program?

Because it do my program more big & because it works more slowly.If you want I can show my program with LA.

Edited by author 22.05.2007 17:37

Your program isn't interesting to me, I have already accepted this problem with long arithmetic, and it work fast enough.

:)

Why you do it? Don't post your code!

Sorry,of course!!!I'll delete it.