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Saturday, March 14, 2026

2026-326

Consider the graph on the figure below. Determine the number of back edges, cross edges, and forward edges generated by the Depth-First Search (DFS) algorithm. Assume the algorithm visits neighboring vertices in ascending order.



A) 2 back edges, 4 cross edges, and 2 forward edges. 
B) 2 back edges, 5 cross edges, and 1 forward edge.
C) 1 back edge, 4 cross edges, and 2 forward edges.
D) 1 back edge, 5 cross edges, and 2 forward edges.
E) None of the above.

Original idea by: Melissa Araújo.

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