Requirements: on the network using Dijkstra algorithm to find single - source shortest path.

要求: 对有向网络用Dijkstra算法 求出 单源 最短路径.

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Dijkstra algorithm based on quadheap PRI has already been realized in geography information system.

基于四叉堆优先级队列的·Dijkstra算法,是己经在地理信息系统中得以实现的一种算法.

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