Detail of message

Online Judge

Problem Set

Authors

Online Contests

User

Web Board
Home Page
F.A.Qs
Statistical Charts

Current Contest
Past Contests
Scheduled Contests
Award Contest

这题与9901是不是素数有什么关系，

Posted by xiangsanzi at 2006-07-11 00:49:51 on Problem 1845

我的思路是1－a^(n+1)/1-a，因为这个式子肯定能除尽，所以当分子大于（1-a）*9901就可忽略，
请问各位大大用的是什么方法

Followed by:

???????? (74) Sempr 2006-07-11 09:07:29
- 你打这么多的问号干吗？？我是看了discuss里面说9901是素数然后云云，你是怎么做的啊 (0) xiangsanzi 2006-07-11 09:14:01
  - 看我的老帖子！ (0) Sempr 2006-07-11 09:21:23
    - Re:晕 (0) xiangsanzi 2006-07-11 12:32:11
      - 呵呵 (0) Sempr 2006-07-11 13:29:17

Post your reply here:

Home Page Go Back To top

All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator