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Re:用Trie 存下1~999, DFS 搜之,不过很容易错。。。

Posted by gp2593 at 2010-02-10 15:00:13 on Problem 2997
In Reply To:用Trie 存下1~999, DFS 搜之,不过很容易错。。。 Posted by:schindlerlee at 2009-09-14 23:56:53


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