C++ EXERCISE (DATA STRUCTURES). Please help me figure out 3 problems. Show clearly each Problem.

Problem 1: Graphs 1. Google a C++ Graph class 2. Create a small program to demonstrate the Graph class

Problem 2: Adjacency Matrix 1. Google a C++ AdjacencyMatrix class 2. Create a small program to demonstrate an AdjacencyMatrix class.

Problem 3: Adjacency List 1. Google a C++ AdjcencyList class 2. Create a small program to demonstrate an AdjacencyList class.