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Re:小心,入口和出口可能不连通

Posted by lastone at 2006-08-05 00:54:39 on Problem 2357
In Reply To:小心,入口和出口可能不连通 Posted by:loneknight at 2005-04-07 13:37:13
有什么玄机吗?
我BFS能够到达的块
然后计算面积
..WA/???
为什么?

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