USE C PORGRAM NOT C++ I WILL RATE YOU

[Calculate grades average for a student] write a program that calculates the student grades average for a semester for the number of courses taken in that semester. Your program should do the following:

1- Read from user the number of courses (n),

2- Then, read the courses grades for n times (Hint: use loop)

3- If a grade is grater than 100 or less than 0, ask the user to enter the grade again.

4- Calculate the average of the grades using the following formula: