Consider the following adjacency-lists representation of a digraph with 8 vertices and 13 edges: A: EF B: FA C: BF G D: C G E: F F: G G: H H: D Here is a graphical representation of the same digraph: (A)<----- (B)<---- (C)< (D) | 7 vvv (E)- ->(F)- (G) ->(H) 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.
Consider the following adjacency-lists representation of a digraph with 8 vertices and 13 edges: A: EF B: FA C: BF G D: C G E: F F: G G: H H: D Here is a graphical representation of the same digraph: (A)<----- (B)<---- (C)< (D) | 7 vvv (E)- ->(F)- (G) ->(H) 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.
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
Transcribed Image Text: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
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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