An undirected graph is connected if for every pair of vertices, there is an edge between them.
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Q15: In an undirected graph, an edge of
Q16: A connected graph has which of the
Q17: A breadth-first traversal of a graph uses
Q18: A _ traversal can be used to
Q19: A complete graph on n vertices has
Q21: Consider the following undirected graph.
vertices: 1, 2,
Q22: Explain how a breadth-first traversal of a
Q23: Can a tree ever have a cycle?
Q24: What data structure is used to support
Q25: An adjacency matrix is one approach to
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