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设置两个顶点的集合T和S: a. S中存放已找到最短路径的顶点,初始时,集合S中只有一个顶点,即源点v0; b. T中存放当前还未找到最短路径的顶点;
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在T集合中选取当前长度最短的一条最短路径(v0,…,vk),从而将vk加入到顶点集合S中,并修改源点v0到T中各顶点的最短路径长度;重复这一步骤,直到所有的顶点都加入到集合S中,算法就结束了。
python3 dijkstra.py
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