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

同意~

Posted by dy_lengleng at 2009-05-01 10:25:33 on Problem 2553
In Reply To:这个题目描述,说得真是....... Posted by:ecjtuxsyuan at 2008-07-20 10:18:02
才发现if可以起这么大的作用..
if for every node w in G that is reachable from v, v is also reachable from w. 
if是关键啊.

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