number of edges connecting vertices.
and only one of the edges are repeated.
element designated as the root.
the edges are ordered pairs of vertices.
connects two vertices in a graph.
associated with each edge.
breadth-first traversal is the use of a queue instead of a stack to manage the
traversal.
breadth-first traversal is the same as the number of vertices in the graph
regardless of the starting vertex.
and some, but possibly not all, of the vertices.
weights of the edges is greater than or equal to the sum of the weights for any
other spanning tree for the same graph.
What is the difference between a graph and a tree?
A graph is the more general concept without the restriction that each
What is an undirected graph?
What is a directed graph?