3.2. Perform depth-first search on each of the following graphs; whenever there’s a choice of vertices, pick the one that is alphabetically first. Classify each edge as a tree edge, forward edge, back edge, or cross edge, and give the pre and post number of each vertex. Show transcribed image text 3.2. Perform depth-first search on each of the following graphs; whenever there’s a choice of vertices, pick the one that is alphabetically first. Classify each
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