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Re:注意~!~!~!需要注意的数据

Posted by ACM06Louty at 2007-02-11 21:10:21 on Problem 1308
In Reply To:注意~!~!~!需要注意的数据 Posted by:xuhanqiu at 2006-08-18 09:48:42 
> 1: 0 0 空树是一棵树
> 2: 1 1 0 0 不是树 不能自己指向自己
> 3: 1 2 1 2 0 0 不是树....自己开始一直在这么WA  好郁闷 重复都不行呀~~5555
> 4: 1 2 2 3 4 5 不是树  森林不算是树(主要是注意自己)
> 5: 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 1  注意 一个节点在指向自己的父亲或祖先 都是错误的 即 9-->1 错
> 6: 1 2 2 1 0 0 也是错误的


谢谢LZ，0 0 竟然也算树…………
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