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Re:plz, could anybody told me, where is the trick??

Posted by baoer at 2008-01-21 11:06:35 on Problem 1501
In Reply To:plz, could anybody told me, where is the trick?? Posted by:hasan83 at 2007-03-29 16:31:55
这道题太BT了,搜索方向如此之多:
左到右,右到左,上到下,下到上,左上到右下,左下到右上,右上到左下,右下到左上
若存在,则为唯一存在

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