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

弱弱问一下：这题就是求组合数吧？直接DP会不会超时呀？

Posted by seol at 2005-02-15 13:21:47 on Problem 1942

大家都是0ms，汗~~~~

Followed by:

dp...[unsigned long]*[unsigned long]...直接公式吧 (17) ArXoR 2005-02-15 14:52:49
- Re:dp...[unsigned long]*[unsigned long]...直接公式吧 (64) seol 2005-02-15 15:07:24
  - 我的意思是,,,,,记录的状态不是一般的多....dp行不通吧 (76) ArXoR 2005-02-15 15:11:02
- 关于这道题，我要说.....................好题！............ (183) seol 2005-02-15 16:54:11
  - Re:关于这道题，我要说.....................好题！............ (219) ArXoR 2005-02-15 20:49:08
    - Re:关于这道题，我要说.....................好题！............ (16) cshqzhang 2005-04-26 19:46:17
      - 当然够用了，答案的范围就在int64范围内 (20) TN 2005-04-26 19:47:55
        但是如果要直接算，，乘法的过程就会超，，不会用杨辉吧．．．． (0) Essence_me 2005-09-07 00:29:30

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