Kindly answer the attached question using python and without using any of its libraries
Kindly answer the attached question using python and without using any of its libraries
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
Kindly answer the attached question using python and without using any of its libraries
![Exercise # 2: Mother Vertex
Find a Mother vertex in a graph. Mother vertex in a graph G = (V, E) is a vertex v
such that all other vertices in G can be reached by a path from v.
Input
Adjacency list of the graph shown below
In this graph the mother vertex is- '5'circled red) as we can
reach any node from -'5' through a directed path
To reach 0-
5->6->0
To reach 1-
5->6->0->1
To reach 2-
5->2
To reach 3-
5->6->0->1->3
To reach 4-
5->6->4
To reach 6-
5->6
Output
[5]
Input
Adjacency list representation of a graph shown below
3
2
4
Output
[0, 1, 2]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa57e579d-ce09-40c6-a462-4003ec74b57a%2F26221dc5-1733-401c-ba05-e32faf9d4ede%2Fvotg21_processed.png&w=3840&q=75)
Transcribed Image Text:Exercise # 2: Mother Vertex
Find a Mother vertex in a graph. Mother vertex in a graph G = (V, E) is a vertex v
such that all other vertices in G can be reached by a path from v.
Input
Adjacency list of the graph shown below
In this graph the mother vertex is- '5'circled red) as we can
reach any node from -'5' through a directed path
To reach 0-
5->6->0
To reach 1-
5->6->0->1
To reach 2-
5->2
To reach 3-
5->6->0->1->3
To reach 4-
5->6->4
To reach 6-
5->6
Output
[5]
Input
Adjacency list representation of a graph shown below
3
2
4
Output
[0, 1, 2]
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