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还可以用容斥原理+二分做，好像有些慢。

Posted by suibian at 2006-03-28 18:58:26 on Problem 2773

Followed by:

人家0ms 都是这样做的，我当时也想来这得觉得容斥难实现弱阿 (0) first 2006-03-28 20:41:47
- 0 ms 的是容斥+二分？不会吧。。。我也是这么做的，慢啊。。 0 (0) rovingcloud 2007-05-16 20:33:37
  - 优化一下总算把时间降下来了。。还好 (0) rovingcloud 2007-05-16 21:06:30
    - 嗯，的确这么做可以到0ms的 (0) Felicia 2008-10-30 17:29:38
re,我就是这样傻做的 (0) RoBa 2006-03-28 22:01:57
Re:还可以用容斥原理+二分做，好像有些慢。 (7) y07yangruilong 2008-05-25 11:17:40

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