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用上面说的数组保存就行,用dfs是为了填上数组中没填的部分。

Posted by bool at 2006-10-11 21:19:50 on Problem 3036
In Reply To:Re:DFS并DP Posted by:cancell at 2006-10-11 21:03:15
> 到底要怎么做呢?望高手指点!

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