In the previous chapter, you got to know trees. However, did you know that such data structures also belong to graphs? But what is a graph and how you can use it in your applications? You can find answers to these and many other questions in this chapter!
At the beginning, the basic information about graphs will be presented, including an explanation of nodes and edges. Moreover, you will see the difference between directed and undirected edges, as well as between weighted and unweighted ones. As graphs are data structures that are commonly used in practice, you will also see some applications, such as for storing the data of friends in social media or finding a road in a city. Then, the topic of graph representation will ...
