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

Re: =1 写成++了 = =。。查了半天错。。对图进行正,逆floyd即可

Posted by TonyChang at 2011-06-01 17:36:00 on Problem 1975
In Reply To: =1 写成++了 = =。。查了半天错。。对图进行正,逆floyd即可 Posted by:zxy_snow at 2011-01-23 20:46:25
其实这题是个传递闭包,不需要正逆Floyd,Floyd后求点的入度和出度,若其一大于n/2则这个点就可以被排除了!

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