Write a C++ program that uses an array to store the grades of n students, and outputs the information below. Your program should be structured using functions. Each functionality should be implemented in a separate function.

1. Maximum grade

2. Minimums grade

3. Average grade

4. Median grade

5. Number of A grades( grades more than 80)

6. Number of B grades( grades between 70 Ato 80)

7. Number of C grades( grades between 55 to 70) .

8. Number of D grades( grades between 70 to 80)

9. Number of F grades( grades less than 40)