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Application of Dijkstra algorithm in parking guidance system
Author(s): 
Pages: 38-41
Year: Issue:  12
Journal: Computer Era

Keyword:  停车诱导系统最短路径Dijkstra算法存储结构;
Abstract: 路径诱导是停车诱导系统中需要解决的关键问题,而路径诱导的本质就是求最短路径,Dijkstra算法可以很好地求解最短路径.传统Dijkstra算法采用邻接矩阵作为存储结构,算法的时间复杂度为O(n2),存在搜索速度慢和浪费空间的缺点.为此,对传统Dijkstra算法进行了改进,采用邻接多重表作为存储结构,采用堆排序法的思想来寻找权值最小的顶点,算法的时间复杂度为O(nlog2n).用改进后的算法在实际地图中进行仿真实验,结果表明,改进后的算法能更快、更有效率地找到两点间的最短路径.
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