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:平方和公式犀利

Posted by hustcswgy at 2011-07-27 19:32:50 on Problem 2000
In Reply To:平方和公式犀利 Posted by:hustcswgy at 2011-07-27 17:59:27
其实n = ceil((-1 + sqrt(1 + 8*day))/2)就行了。。。

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