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

double 就够了,不用__int64,但是要考虑k>n-k来缩减时间

Posted by shakamoto at 2006-04-23 16:28:46 on Problem 2249
In Reply To:Re:当k>n/2的时候取k=n-k Posted by:wrong123 at 2006-01-12 00:04:53


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