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不知道什么是trivial,不过我的做法是如果DFS树中k的儿子i能到达的最小深度>=k的深度,那么 subset[k]++,结果就是subset[k]+1(根除外)In Reply To:leaves xxx subnets 这个怎么求呢? Posted by:liangzhirong at 2006-08-17 01:52:53 Followed by:
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