Exercise 1 OOP 1

#include <iostream>
using namespace std;
const int NUMBER_OF_STUDENTS = 2;
const int NUMBER_OF_GRADES = 5;

struct Student {
    char name[30];
    char surname[30];
    char egn[11];
    int fn;
    double grades[NUMBER_OF_GRADES];
};

Student getNew()
{
    Student newStudent;
    cout << "Enter name of new student:";
    cin >> newStudent.name;
    cout << "Enter surname of new student:";
    cin >> newStudent.surname;
    cout << "Enter egn of new student:";
    cin >> newStudent.egn;
    cout << "Enter faculty number of new student:";
    cin >> newStudent.fn;
    cout << "Enter grades of new student:";
    for (int i = 0; i < 5; i++)
    {
        cin >> newStudent.grades[i];
    }
    return newStudent;
}

Student getStudentWithHighestGrades(Student students[NUMBER_OF_STUDENTS])
{
    Student highestAchievingStudent;
    double highestGrade = 0;
    for (int i = 0; i < NUMBER_OF_STUDENTS; i++)
    {
        double averageGrade = 0;
        for (int j = 0; j < NUMBER_OF_GRADES; j++)
        {
            averageGrade += students[i].grades[j];
        }
        averageGrade /= NUMBER_OF_GRADES;
        if (highestGrade < averageGrade)
        {
            highestGrade = averageGrade;
            highestAchievingStudent = students[i];
        }
    }
    return highestAchievingStudent;
}

void printStudent(Student student)
{
    cout << student.name << endl;
    cout << student.surname << endl;
    cout << student.egn << endl;
    cout << student.fn << endl;
    for (int j = 0; j < NUMBER_OF_GRADES; j++)
    {
        cout << student.grades[j] << endl;
    }
}


void printStudentsBornInMarch(Student students[NUMBER_OF_STUDENTS])
{
    for (int i = 0; i < NUMBER_OF_STUDENTS; i++)
    {
        if (students[i].egn[3] == '3')
        {
            printStudent(students[i]);
        }
    }

}


int main()
{
    Student students[NUMBER_OF_STUDENTS];
    for (int i = 0; i < NUMBER_OF_STUDENTS; i++)
    {
        students[i] = getNew();
    }
    char input[30];
    cout << "Do you want the student with the highest grade or the students born in march?" << endl;
    cin >> input;
    if (strcmp(input, "highest grade") == 0)
    {
        Student myBestStudent = getStudentWithHighestGrades(students);
        printStudent(myBestStudent);
    }
    else if(strcmp(input, "born march") == 0){
        printStudentsBornInMarch(students);
    }

}