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Consider an undirected unweighted graph G. Let a breadth-first traversal of G be done starting from a node r. Let d(r, u) and. d(r, v) be the lengths of the shortest paths from r to u and v respectively in G. If u is visited before v during the breadth- first traversal, which of the following statement is correct​
  • a)
    d(r, u) < d(r, v)
  • b)
    d(r, u) > d(r, v)
  • c)
    d(r, u) ≤ d(r, v)
  • d)
    None of these
Correct answer is option 'C'. Can you explain this answer?
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Consider an undirected unweighted graph G. Let a breadth-first travers...
If u is visited before v, d(r, u) ≤ d(r, v) i.e., r to u is having shortest or equal length compared from r to v.
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Consider an undirected unweighted graph G. Let a breadth-first traversal of G be done starting from a node r. Let d(r, u) and. d(r, v) be the lengths of the shortest paths from r to u and v respectively in G. If u is visited before v during the breadth- first traversal, which of the following statement is correct​a)d(r, u) < d(r, v)b)d(r, u) > d(r, v)c)d(r, u) ≤ d(r, v)d)None of theseCorrect answer is option 'C'. Can you explain this answer?
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