Consider the following adjacency-lists representation of a digraph with 8 vertices and 13 edges:A: E FВ:FAС: ВFGD: C GE: FF: GG: HH:Here is a graphical representation of the same digraph:(A) <(B)<-(C)-(D)(E>(F)(G)Run breadth-first search (using the adjacency-lists representation), starting from vertex A.Give the sequence in which the vertices are dequeued from the FIFO queue.AnswerYour answer should be a sequence of uppercase letters, starting with A and separated by whitespace.

Answered: Consider the following adjacency-lists…

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

Section: Chapter Questions

Problem 1PE

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Question

Consider the following adjacency-lists representation of a digraph with 8 vertices and 13 edges:
A: E F
В:
FA
С: ВFG
D: C G
E: F
F: G
G: H
H:
Here is a graphical representation of the same digraph:
(A) <
(B)<-
(C)-
(D)
(E
>(F)
(G)
Run breadth-first search (using the adjacency-lists representation), starting from vertex A.
Give the sequence in which the vertices are dequeued from the FIFO queue.
Answer
Your answer should be a sequence of uppercase letters, starting with A and separated by whitespace.

Expert Solution

Step 1

Breadth First Search (BFS) algorithm visits the adjacent or neighbor nodes first before going to the next level/layer. First all the nodes of particular level will be visited then only the nodes of next level will be considered.

Traverse Sequence of BFS:

A E F

A E F G

A E F G H

A E F G H D

A E F G H D C

A E F G H D C B

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