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可以只用一次排序吗？我还用了Hash……

Posted by FinalLaugh at 2005-05-18 23:43:40 on Problem 2408
In Reply To:Re:受不了了，一直超时，到底有什么玄机啊，过了的人指教一下！ Posted by:frkstyc at 2005-04-29 21:13:48

> 不是直接排序就好了吗？

Followed by:

我不会用hash，所以…… (0) frkstyc 2005-05-18 23:47:17
- 两次排序？ (0) FinalLaugh 2005-05-19 00:11:44
  - 串的字符排一个序，全部串排一个序 (0) frkstyc 2005-05-19 00:16:11
    - 全部串只排一个序？怎么按首字母升序并且重复数降序呢？ (0) FinalLaugh 2005-05-19 00:36:58
      - 串之间的排序是分组用的，分组之后组之间第三次排序就可以找出前五个了组 (0) frkstyc 2005-05-19 01:06:29
        嗯，明白了 (0) FinalLaugh 2005-05-19 10:25:22

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