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我们用的四分,论坛上讨论过没? 应该是原创了吧~

Posted by benben at 2004-11-23 12:21:20 on Problem 2079
In Reply To:Re:我的想法 Posted by:hust_acm at 2004-11-23 12:13:10 
> 这题早就谈论过了，而且方法有几种，我选择了一种旋转卡壳的方法做，结果一直WA，不知道是不是有trick
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