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有可能往回走

Posted by xmjt621 at 2009-05-02 13:00:56 on Problem 2486
In Reply To:请问题目怎么理解啊,为什么是tree dp呢?不解。。。 Posted by:doommetal at 2007-10-01 11:14:06
> 题目不是说,从node1开始走,到一个node就吃掉那里的苹果,直到走到k步或者无路可走吗?
> 
> 那么bfs不就对了了吗?为什么还要tree dp呢?
> 
> 牛人帮我。。。


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