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这道题是数据有问题，如果真要加上判断同构那很多哈希方法都是错误的

Posted by lemoon at 2011-08-18 14:46:46 on Problem 3349 and last updated at 2011-08-19 13:51:54
In Reply To:总结大家Hash的方法 Posted by:archerstarlee at 2009-03-28 11:46:13

比如像所有数的和，所有数平方的和，这种哈希方法不可行。
从小到大的方法也不可行。因为已经破坏了雪花的结构了


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照道理说应该输出：No two snowflakes are alike.

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