Considering example #4 in the lab manual, write a program that shows and performs the following

tasks:

1.Add students 2.Update student records 3.View all student records 4.Calculate average score of all students 5.Show student who gets the max GPA 6.Find a student by ID 9.Sort students by GPA 0.Exit

Example #4: pointer expression and pointer arithmetic #include maino int a [5] ={ 3,6,4,9,1 }; int *aPtr = a; a Ptr+=1; cout