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Re:有没有小于O(N^2*M)的建图方法？

Posted by ttang at 2014-06-23 19:04:30 on Problem 2139
In Reply To:有没有小于O(N^2*M)的建图方法？ Posted by:tracyzhu at 2011-01-14 18:21:01 
> RT
把电影也建成节点，得到二分图，O(M×N)，可以参考Robert Sedgwick的《算法》，上面恰好讲到degree of separation
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