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看来必须用二维了.

Posted by Essence_me at 2005-08-08 16:15:32 on Problem 2184
In Reply To:i got it,thank you,guys Posted by:Essence_me at 2005-08-08 16:12:31

Followed by:

一维可以搞定,只不过你用错了而已. (0) c0500448242 2005-08-08 16:18:03
- 可以说说吗? (0) Essence_me 2005-08-08 16:19:11
  - 反方向? (0) Essence_me 2005-08-08 16:19:35
    - 根据si的正负选择正反. (0) c0500448242 2005-08-08 16:20:31
      - 呵呵,知道了,谢啦:) (0) Essence_me 2005-08-08 16:21:16
        咳,太容易错了,不相信自己的DP有问题,结果问题还是出了...... (0) Essence_me 2005-08-08 16:23:31
        early optimization is sin (0) frkstyc 2005-08-08 16:23:56
        yeah,growing up is full of pain. (0) Essence_me 2005-08-08 16:27:23
      - Re:根据si的正负选择正反. (13) s_1 2005-08-30 15:00:00

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