Challenge 4: Implement Derived Class to Calculate Min/Max/Mean

Problem Statement

In this challenge, you are given a class called DynamicArray which implements a dynamic array of integers that can grow in size.

This class has the following functions:

• void append(int value): Adds a new value at the end of the array.
• int get(int index): Returns the value at the given index.
• int length(): Returns the current size of the array.
• void resize(): Resizes the array when the maximum capacity is reached. The growth factor is two, therefore, it will each time double the

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