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Re:树的哈希：

Posted by Liuzhaoliang at 2014-09-30 03:16:52 on Problem 1343
In Reply To:树的哈希： Posted by:yygy at 2013-02-28 17:36:18 
> http://hi.baidu.com/chenwenwen0210/item/d0b629b6475cc6f285dd7959
最小表示也可以吧。
跟Subway那题一样。
http://poj.org/problem?id=1635
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