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给点数据

Posted by lz1 at 2012-02-05 16:58:55 on Problem 1741
In Reply To:树的分治还是蛮烦的 Posted by:lz1 at 2012-02-05 16:57:05
6 6
1 2 3
1 3 1
1 4 2
3 5 1
5 6 1
6 6
1 2 3
1 3 1
1 4 2
3 5 1
0 0


15
10

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