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Re:判断连通分量是否一致。。。参照一个大神的。思路。但是不解为了啥。有人能探讨一下为啥么？

Posted by 274856653 at 2019-09-26 22:09:10 on Problem 1175
In Reply To:Re:判断连通分量是否一致。。。参照一个大神的。思路。但是不解为了啥。有人能探讨一下为啥么？ Posted by:274856653 at 2019-09-26 22:08:03 
https://blog.csdn.net/whyorwhnt/article/details/21550461
大神的blog。但是我没有用hash。。。
减少点存储。。。
有人能告诉我。为啥是四次方一致就ok。。。
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