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:二分图中有:|最小点覆盖|=|最大匹配|

Posted by cycpp at 2009-02-26 17:57:40 on Problem 3715
In Reply To:二分图中有:|最小点覆盖|=|最大匹配| Posted by:cycpp at 2009-02-26 17:51:08
联通二部图中有:|最大独立集|=|最小边覆盖|
任意无向图中有:|最大独立集|+|最小点覆盖|=|顶点集|
联通无向图中有:|最大匹配|+|最小边覆盖|=|顶点集|

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