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Re:友情数据

Posted by 1640616850 at 2019-04-07 22:02:15 on Problem 3190
In Reply To:友情数据 Posted by:CuriousCat at 2016-10-20 15:41:12
6
8 8
4 8
6 10
1 3
2 4
4 7
3
1
3
2
1
2
1

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