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提供一组某条边要经历两次的数据

Posted by sad1 at 2007-10-02 20:26:21 on Problem 3411
6 5
1 2 1 10 10
2 3 4 10 100
2 4 2 15 15
4 1 1 12 12
3 6 6 10 10

67

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