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Re:分治+虚树能实现 O(m*log(m))

Posted by tasty at 2016-12-08 23:09:59 on Problem 3713
In Reply To:分治+虚树能实现 O(m*log(m)) Posted by:tasty at 2016-12-08 23:06:32

> 不想写了， 管理员 再出一个版本吧
相当于 添边 和删边查询 求是否存在桥，  有兴趣的童靴可以 做这道：

http://codeforces.com/problemset/gymProblem/100551/D

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