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Answers for “运行 Dijkstra 算法后,如何重建从家到大学的最短路径?”

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The final shortest distance from home to university is 7. This value is determined after all smaller uncircled candidates (specifically vertices E with label 4 and B with label 6) have been processed.

Conditions: The algorithm has processed all vertices with tentative labels smaller than 7.; The label 7 at university is the smallest remaining uncircled label.; The graph edge weights are fixed as shown in the example.

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The numeric labels at the vertices represent the current best known distance from the source vertex (home) to that specific vertex. A blue circle around a label indicates that this distance has been accepted as final for that vertex in the current run of the algorithm.

Conditions: The demonstration uses a visual whiteboard-style representation.; The source vertex is 'home'.; The algorithm is Dijkstra's shortest path algorithm.