Friendly Person Interface

A pure virtual base class Greetable is provided with two methods that any subclass must implement.

Create a class FriendlyPerson that inherits from Greetable and:
- Has a constructor FriendlyPerson(string name) that stores the name
- Implements greet(): prints "Hello, I am [name]!"
- Implements farewell(): prints "Goodbye from [name]!"

Do NOT write a main function.

Expected Output:

Hello, I am Alice!↵
Goodbye from Alice!↵

= newline. The output ends with a newline — print one after the last line.

Hints3 available

Topics:

Abstract Classes

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