Exercise # 4: Level of each node in the graphHow to determine the level of each node in the given graph?As you know, BFS involves a level-order traversal of a graph. Hence, you can use BFS todetermine the level of each node as well.SLevel 01Level 1Level 23456.Level 3Exercise # 4a: Write a function nodes_of_level(G, level) that takes a graph and levelnumber as input and returns a list of all the nodes that are on the given level.Example 1:InputAdjacency list representation of graph shown above.level = 1Output[1, 2]Example 2:InputAdjacency list representation of graph shown above.level = 2%3DOutput[3, 4, 5, 6]9,2.

in the first question, S is the root node so, it is level 0. After that, 1 and 2 are coming it is a…

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How to determine the level of each node in the given graph? As you know, BFS involves a level-order traversal of a graph. Hence, you can use BFS to determine the level of each node as well.

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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Concept explainers

Minimum Spanning Tree

A spanning tree is a sub-graph of a connected, undirected graph. It has all the vertices of a graph with the minimum possible number of edges. If a vertex is skipped, then it will not be a spanning tree. The edges of a spanning tree may or may not have weights.

Question

Exercise # 4: Level of each node in the graph
How to determine the level of each node in the given graph?
As you know, BFS involves a level-order traversal of a graph. Hence, you can use BFS to
determine the level of each node as well.
S
Level 0
1
Level 1
Level 2
3
4
5
6.
Level 3
Exercise # 4a: Write a function nodes_of_level(G, level) that takes a graph and level
number as input and returns a list of all the nodes that are on the given level.
Example 1:
Input
Adjacency list representation of graph shown above.
level = 1
Output
[1, 2]
Example 2:
Input
Adjacency list representation of graph shown above.
level = 2
%3D
Output
[3, 4, 5, 6]
9,
2.

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