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Re:怎么推啊?

Posted by lanlukai at 2005-05-06 18:51:41 on Problem 1354
In Reply To:怎么推啊? Posted by:sad at 2005-04-01 13:30:53

我只看了题目的数据，猜测一个公式2*（n-1）!
居然对了，哈哈

Followed by:

Re:怎么推啊? (45) JiangLY 2005-05-06 19:28:32
- 55555~~~~~我写的高精度超时…… (10) JiangLY 2005-05-06 20:59:15
  - 不会啊……我机子上1-200全部一起算都是瞬间出，为什么交上去TLE？ (0) JiangLY 2005-05-06 21:02:14
    - infinite loop? (0) frkstyc 2005-05-06 21:03:42
  - 不会吧？72k 0ms就行了啊 (37) frkstyc 2005-05-06 21:03:22
    - 呵呵，改成递推就AC了 (39) JiangLY 2005-05-06 21:12:13
      - Re:呵呵，改成递推就AC了 (10) frkstyc 2005-05-06 21:22:30
        就 (19) JiangLY 2005-05-06 21:27:00
        Re:就 (23) frkstyc 2005-05-06 21:29:52
        晕，我理解错您的意思了 (18) JiangLY 2005-05-06 21:30:45

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