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:这题有解题报告没

Posted by frkstyc at 2008-06-30 11:31:41 on Problem 3604
In Reply To:Re:这题有解题报告没 Posted by:longpo at 2008-06-30 11:30:25
次数和运行时间的对应我从来只相信秒表

> 
>  frkstyc 大大是管理员啊, 能否告诉小弟 为什么开5000000的数组,
> for(i=2;i<N;i++){
>   for(j=i;j<N;j+=i){
>    num[j]++; 
>    ans[j]+=num[i];
>   }
> } 我加个t计算循环的次数,才7000万多次,但运行要很长时间, 是不是寻址很费时?
> 不胜感激~

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