write a program that manages grades.The program include the following. (a). writ

Question

write a program that manages grades.The program include the following.

(a). write a function that prompts the users to enter the student information having the number, name, and grade of one course. need to enter at least 10 students

(b). write a function that modifies a grade of the given student.

(c). write a function that displays the student information with the maximum and the minimum grades repectively;

(d).write a function that computes the average of the course.

(e).write a function that obtains the number of students each group that is divided according to the following forms:

grade<60

60 <= grade < 69

70 <= grade < 79

80 <= grade < 89

90 <= grade < 100

(f) write a function that outputs the grades.

write a menu to choose the above functions in a test program. The format of the main menu is as below:

The main menu

1: input the student information

2:modify the student grades

3: Display the students with the maximum and the minimum grade

4:compute the average

5: Grouping the students

6:display the Gradebook

7:exit

Explanation / Answer

//Menu driven program to calculate the student grade #include #include #include #include class student { int rollno; char name[50]; int p_marks, c_marks, m_marks, e_marks, cs_marks; float per; char grade; void calculate(); //function to calculate grade public: void getdata(); //function to accept data from user void showdata(); //function to show data on screen void show_tabular(); int retrollno(); }; //class ends here void student::calculate() { /* calculate the average /* per=(p_marks+c_marks+m_marks+e_marks+cs_marks)/5.0; if(per>=60) grade='A'; else if(per>=50) grade='B'; else if(per>=33) grade='C'; else grade='F'; } void student::getdata() { coutrollno; cout

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