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Graph Implementation

Explore how to implement graph data structures in C# with directed edges using adjacency lists. Understand methods to add edges and print the graph, and see how undirected graphs differ with bidirectional edges. This lesson helps you build foundational skills in graph representation and manipulation using linked lists.

Introduction

At this point, you have understood the theoretical logic behind graphs. In this lesson, you will use the knowledge you have to implement the graph data structure in C#. Your graph will have directed edges.

The implementation will be based on the adjacency list model. The linked list class created earlier will be used to represent adjacent vertices.

As a refresher, here is the illustration of the graph you will be producing using an adjacency list:

The Graph Class

Graph ...