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

枚举两个两个的和，O(n^2lgn)

Posted by frkstyc at 2006-03-25 00:12:56 on Problem 2785
In Reply To:应该怎么做呢？ Posted by:xiaxia at 2006-03-25 00:11:05

Followed by:

枚举a b 然后枚举c d 然后检查其中相反数？ (0) first 2006-03-25 00:19:08
- en (0) frkstyc 2006-03-25 00:21:49
  - 我竟然枚举abcd了，枚举就是n^2阿那个lgn怎么来的望赐教 (0) first 2006-03-25 00:25:38
是把他们排序才有N^2logN的吧，我这样做了，结果超时 (0) zerocool_08 2006-03-25 00:29:41
- 为什么要排序呢开始我用map做的枚举abcd tle了 (0) first 2006-03-25 00:42:08
  - 弱弱的问一下，map是什么东西，是STL里的东西吗？ (0) zerocool_08 2006-03-25 00:45:23
    - right (0) frkstyc 2006-03-25 00:54:40

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