Let T be a tournament of even order n. Which of the following is true (a) T contains a
Chapter 15, Problem 15(choose chapter or problem)
Let T be a tournament of even order n. Which of the following is true? (a) T contains a vertex u such that od u > id u and a vertex v such that od v < id v. (b) For every vertex w of T , odw = idw. (c) It is impossible to determine whether (a) or (b) occurs.
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