Grokking Graph Algorithms for Coding Interviews

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Introduction to Graph Theory

What is Graph Theory?

Graph theory is the study of graphs, which are mathematical structures used to model pairwise relationships between objects. A graph is made up of vertices (nodes) connected by edges (lines). Graphs can represent various systems such as social networks, transportation networks, and computer networks.

Key Concepts in Graph Theory

  1. Vertices and Edges: The basic units of graphs. Vertices are points, and edges are lines connecting these points.
  2. Degree of a Vertex: The number of edges connected to a vertex. 3

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