October 2018
Beginner to intermediate
398 pages
11h 1m
English
book
Hands-On Data Structures and Algorithms with Python - Second Edition
by Dr. Basant Agarwal, Benjamin Baka, David Julian
Content preview from Hands-On Data Structures and Algorithms with Python - Second Edition
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Directed and undirected graphs
Graphs are represented by the edges between the nodes. The connecting edges can be considered directed or undirected. If the connecting edges in a graph are undirected, then the graph is called an undirected graph, and if the connecting edges in a graph are directed, then it is called a directed graph. An undirected graph simply represents edges as lines between the nodes. There is no additional information about the relationship between the nodes, other than the fact that they are connected. For example, in the following diagram, we demonstrate an undirected graph of four nodes, A, B, C, and D, which are connected using edges:
In a directed graph, the edges provide the information on the direction of connection ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.