In this section, we will cover some of the basic concepts of graphs; this is supposed to be a refresher section on graphs. This is a basic section; hence, if you already know this information, you can skip this section. Graphs are used in many important concepts in our day-to-day lives. Before we dive into the ways of representing a graph, let's look at some of the popular use cases of graphs (though this is not a complete list):
Graphs are used heavily in social networks
In finding driving directions via GPS
In many recommendation engines
In fraud detection in many financial companies
In search engines and in network traffic flows
In biological analysis
As you must have noted earlier, graphs are used in many applications that we might be using on a daily basis.
Graphs are a form of a data structure in computer science that help in depicting entities and the connection between them. So, if there are two entities, such as Airport A and Airport B and they are connected by a flight...