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我不认为想到O(N^4)或以下的算法很容易。。。。。。

Posted by LouTianCheng at 2005-09-18 14:31:08 on Problem 2520
In Reply To:这题纯粹麻烦而以 Posted by:xreborner at 2005-09-17 19:06:07

Followed by:

曾经我想争取把它出到CTSC。。。。。。 (0) LouTianCheng 2005-09-18 14:31:42
我想到的方法就是O(N^4)的，不过就是系数有点大…… (0) xreborner 2005-09-18 14:46:15
- 哦，我是在看你的解题报告之前想出来的…… (0) xreborner 2005-09-18 19:15:27
  - 这样的一个强调,用意何在? (0) e_at_fdu 2005-09-18 19:17:20
    - 因为我刚刚才看到这题的解题报告…… (0) xreborner 2005-09-18 19:41:00

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