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:用最大流做,怎么构图???

Posted by whd0810 at 2008-06-20 19:20:09 on Problem 3281
In Reply To:用最大流做,怎么构图??? Posted by:scuxy at 2008-04-17 14:54:44
点的权值可以看成是把那个点拆成两个点,连接这两个点的边的权值等于分拆前点的权值,那样就可以用最大流来做了.

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