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Answers for “如何在图上启动 Prim 算法?”

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A minimum spanning tree (MST) is a connected, acyclic subgraph that spans all vertices of a weighted graph and has the minimum possible total edge weight.

Conditions: The underlying graph must be weighted.; The graph must be connected for a spanning tree to exist.; The MST minimizes the sum of selected edge weights.; The MST contains no cycles.