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

由于是三点不共线的,所以总是可以找到一条直线把一个大区域划分为两个小区域,而且两个小区域中的两种颜色的点的个数是相同的,直到划分到一个区域内只有两个颜色不一样的点的时候就可以了。

Posted by Thank_you at 2008-12-08 11:36:03
In Reply To:这个怎么构造呢 想不到 Posted by:insotc at 2008-12-08 11:20:27


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