7 11 10 2 1 4 8 10. Provide the node traversal (the order in which nodes are explored) generated by a breadth-first search of the given graph for the following scenarios. Note that some arcs are bidirectional. a. Starting at node 2, and attempting to reach node 7. Assume you always prefer a node with a smaller label value. b. Starting at node 8, and attempting to reach node 1. Assume you always prefer a node with a smaller label value.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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8
Transcribed Image Text:7 11 10 2 1 4 8
10. Provide the node traversal (the order in which nodes are explored) generated by a breadth-first
search of the given graph for the following scenarios. Note that some arcs are bidirectional.
a. Starting at node 2, and attempting to reach node 7. Assume you always prefer a node with a
smaller label value.
b. Starting at node 8, and attempting to reach node 1. Assume you always prefer a node with a
smaller label value.
Transcribed Image Text:10. Provide the node traversal (the order in which nodes are explored) generated by a breadth-first search of the given graph for the following scenarios. Note that some arcs are bidirectional. a. Starting at node 2, and attempting to reach node 7. Assume you always prefer a node with a smaller label value. b. Starting at node 8, and attempting to reach node 1. Assume you always prefer a node with a smaller label value.
Expert Solution
Step 1 : BFS

BFS(u), Q = {u}

while !Q.empty // Q is a normal queue

  for each neighbor v of u = Q.front, Q.pop

    if v is unvisited, tree edge, Q.push(v)

    else if v is visited, we ignore this edge

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