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1 Let T be the spanning tree rooted at the start vertex produced by the depth first search of a connected undirected graph G Argue why every edge of G not in T goes from a vertex in T to one of its

1. Let T be the spanning tree rooted at the start vertex produced by the depth-first search of a connected, undirected graph G. Argue why every edge of G not in T goes from a vertex in T to one of its ancestors, that is, it is a back edge.

2. Our solution to reporting a path from u to v in Code Fragment 14.6 could be made more efficient in practice if the DFS process ended as soon as v is discovered. Describe how to modify our code base to implement this optimization

Jun 11 2020 View more View Less

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