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终于过了。。。

Posted by zh210667 at 2010-07-21 18:37:33 on Problem 1861
一个等号就让我查了好久。。
9
12
1 2 12
1 9 25
2 3 10
2 8 40
2 9 8
3 4 18
3 7 55
4 5 44
5 6 60
5 7 38
7 8 35
8 9 35
Prime:
60
8
1 2
2 9
2 3
3 4
9 8
8 7
7 5
5 6

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