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可以，起点和终点不会重合。

Posted by alpc32 at 2009-12-09 22:05:08 on Problem 3501
In Reply To:提出个小疑问！！！ Posted by:lianzhouxiaowu at 2009-12-03 20:45:00 
> 最小距离可以为0吗？？？ 也就是说能不能经过敌人的基地？？？？
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