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

大家帮忙,这个题目不会做……

Posted by Ikki at 2005-07-28 18:43:19 on Problem 1424
今天一下午就废在这个题目上面了。 
我的想法是DP,然后状态就是simple的D[i,j,r] 
但是不知道具体该怎样calculate 
原来是naive的D[i,j,r]=D[i,j,r-1]+Side(O(r)时间统计) 

不过很明确的就超时了…… 

不知道大家是怎么过的? 

希望大家帮忙:)

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