D F E B Which of the following are valid depth-first search traversals when E is the starting vertex? (1) E, D, C, F, B, A (2) E, C, D, A, F, B (3) C, A, D, E, F, B (4) E, D, A, C, F, B (5) E, C, F, B, D, A (6) E, C, F, B, A, D (7) E, D, F, B, C, A
D F E B Which of the following are valid depth-first search traversals when E is the starting vertex? (1) E, D, C, F, B, A (2) E, C, D, A, F, B (3) C, A, D, E, F, B (4) E, D, A, C, F, B (5) E, C, F, B, D, A (6) E, C, F, B, A, D (7) E, D, F, B, C, A
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Transcribed Image Text:A
F
E
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Which of the following are valid depth-first search traversals when E is the starting vertex?
(1) E, D, C, F, B, A
(2) E, C, D, A, F, B
(3) C, A, D, E, F, B
(4) E, D, A, C, F, B
(5) E, C, F, B, D, A
(6) E, C, F, B, A, D
(7) E, D, F, B, C, A
Expert Solution
Step 1: What is a valid depth first search traversal?
A valid depth-first search (DFS) traversal of a graph is a set of vertices that begins at a given source vertex and moves from the source through edges to unvisited vertices in order to explore the graph.
Once a vertex has been visited, the traversal moves on to recursively explore its unvisited neighbors until the current vertex can no longer be reached by any more unvisited vertices.
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