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Consider the following directed graph, which is given in adjacency list form and

ID: 3692728 • Letter: C

Question

Consider the following directed graph, which is given in adjacency list form and where vertexes have numerical labels:

The first line indicates that the graph contains a directed edge from vertex 1 to vertex 2, from 1 to vertex 4, and 1 to 6, and likewise for subsequent lines.

A. List the nodes that have a degree of 3.

B. List the nodes in the order they're visited by depth-first search starting at vertex 3. When choosing successors, use the convention of increasing numerical order.

C. Show the corresponding breadth-first search spanning tree for the graph above starting at vertex 8. When choosing successors, use the convention of increasing numerical order. Draw your tree graphically

Explanation / Answer

A)nodes with degree 3 are : 5,7,9

B) 3, 7 , 9

C) 6,2,4,