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## L et G be a simple undirected graph. Let TD be a depth first search tree of G. Let TB be a breadth first search tree of G. Consider the following statements. (I) No edge of G is a cross edge with respect to TD. (A cross edge in G is between two nodes neither of which is an ancestor of the other in TD.) (II) For every edge (u,v) of G, if u is at depth i and v is at depth j in TB, then |𝑖 − 𝑗| = 1. Which of the statements above must necessarily be true?

Asked On2019-04-10 15:21:53 by:Rohit498

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