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

有哪位大牛行行好告诉我公式是怎么推导出来的吧?

Posted by chqch172443 at 2008-06-30 16:27:41 on Problem 2000
num=(sqrt(1+8*i)-1)/2.0;
        if((num-(int)num)!=0)
           num=num+1;
数学太烂,没办法

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