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只要不与前面的重叠,不落到地下就可以了,不用考虑别的

Posted by TN at 2005-01-29 20:23:57 on Problem 2180
In Reply To:这道题,有几个问题想问问,谢谢。 Posted by:ioriyagami at 2005-01-29 18:18:18
> 是不是每一行的j,一定在前面出现过呢?
> 是不是每一个bale,它在放置的时候,不能放在一个封闭的空间里呢?
> 我的总是wa,不知是不是解错题意了。
> 谢谢。

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