下面是一段由python实现的Dijkstra算法,一些地方的处理实在非常棒,相比于C,代码的数量已经缩减到了60行,所以我想通过本文简单的介绍一下这段代码的细节之处,首先给出源程序: from sys import argv def dijkstra_score(G, shortest_distances, v, w): return shortest_distances[v] + G[v][w] def dijkstra(G, source): unprocessed = set(G.key