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Re:这到题用什么方法做啊....

Posted by bjiang at 2008-07-03 20:57:54 on Problem 3605
In Reply To:这到题用什么方法做啊.... Posted by:fql5188 at 2008-07-03 13:29:55
不好说用到什么方法,用到了点贪心的感觉。
其实能证明状态1到状态0只要改变一个就行了。这样就好做了。

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