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一次AC，娣婕珂丝特拉算法，稍微处理了一下等级限制

Posted by wlyayjh at 2009-11-09 21:10:56 on Problem 1062 
可能表达得不是很准确，比如酋长等级是3，限制是2，就利用dijkstra算法枚举等级为123、234、345的结点组成的子图的从旅行者结点到聘礼结点的最短路径，选取最小值就是结果
数据结构是关键
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