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Huawei_CodeCraft

第二届华为软件精英挑战赛-寻路,京津东北赛区32强

赛题:在一个加权有向图中,寻找经过指定点集的无环较短路径。

成绩:京津东北赛区32强。

算法:改进的分枝限界和蚁群算法结合、改进的贪心搜索等算法。

主要**:区别于旅行商问题,赛题中节点重要性有差别。通过先期的分支限界、改进的贪心搜索等,对不同性质的节点设置不同的信息素初值。在后续蚁群算法中这个预处理效果明显。

FZ.h:分支限界,定时清除队列中的非路口点
ONLY.h:同是分支限界,区别FZ,只有路口点影响信息素
DFS.h:对路口点的深度优先搜索

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