Online JudgeProblem SetAuthorsOnline ContestsUser
Web Board
Home Page
F.A.Qs
Statistical Charts
Problems
Submit Problem
Online Status
Prob.ID:
Register
Update your info
Authors ranklist
Current Contest
Past Contests
Scheduled Contests
Award Contest
User ID:
Password:
  Register

这个昨天做了,0ms wa

Posted by frkstyc at 2005-05-24 13:22:40 on Problem 2099
In Reply To:啊...,原来您是枚举的呀,怪不得tle,同情ing~~~ Posted by:c0500301036 at 2005-05-24 13:21:11
> 几何直观: 
> 平行四边形A绕中心旋转,看能否完全在平行四边形B中。
> 只需判断A的两条对角线旋转成的两个圆与B的交点的极角
> 
> 应该0s搞定吧
> (我是理想主义者,大家别见笑)

Followed by:

Post your reply here:
User ID:
Password:
Title:

Content:

Home Page   Go Back  To top


All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator