What is the difference between a connected graph and a directed graph?
A connected graph is an undirected graph in which every unordered pair of vertices in the graph is connected. Otherwise, it is called a disconnected graph . In a directed graph, an ordered pair of vertices (x, y) is called strongly connected if a directed path leads from x to y.
Which vertices are connected in an undirected graph?
In an undirected graph G, two vertices u and v are called connected if G contains a path from u to v. Otherwise, they are called disconnected. If the two vertices are additionally connected by a path of length 1 (that is, they are the endpoints of a single edge), the vertices are called adjacent .
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Disconnected graph
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