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

个人觉得这题出得不错。

Posted by AllwaysLoser at 2011-07-18 09:20:54 on Problem 3985
至少它难倒了IOI2011中国队的一半同学。。。
给个提示吧:
时间复杂度为:
O(max(5000/k,(10*N*k))^2),其中k是一个平衡因子,取10左右最好

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