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我自己出的简单数据，WA的同学来看看吧。

Posted by fyq at 2011-01-07 19:30:18 on Problem 1904 and last updated at 2011-01-07 19:30:28 
我自己出的数据，检查出了我自己强连通分量的问题。
WA的同学也试试吧。
input : 
5
3 3 4 5
2 4 5
1 3
3 1 2 3
3 1 4 5
5 4 3 2 1

output : 
2 4 5
2 4 5
1 3
1 2
1 1
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