Is the following statement true/false? A DFS of a directed graph always produces the same number of tree edges, i.e., independent of the order in which vertices are considered for DFS.
(A)
True
(B)
False
Answer: (B)
Explanation:
The statement is false.
A Depth-First Search (DFS) of a directed graph can produce a different number of tree edges depending on the order in which vertices are considered for the DFS. The number of tree edges in a DFS tree depends on the specific traversal path taken during the DFS.
During a DFS, starting from a particular source vertex, the traversal explores the graph by visiting neighboring vertices in a systematic way. The order in which the neighboring vertices are visited impacts the formation of the DFS tree.
Hence (B) is the correct answer.
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Last Updated :
28 Jun, 2021
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