#include <iostream>
#include <string>
using namespace std;

struct Subjects
{
    int arabicSubject;
    int englishSubject;
    int mathsSubject;
    int scienceSubject;
    int religionSubject;

public:
    int setArabicSubject() {
        cout << "Please enter the grades of Arabic " << endl;
        do {
            cin >> arabicSubject;
            if (arabicSubject < 0 || arabicSubject > 50)
                cout << "Please enter a correct value!" << endl;
        } while (arabicSubject < 0 || arabicSubject > 50);
        return arabicSubject;
    }
    int setEnglishSubject() {
        cout << "Please enter the grades of English: " << endl;
        do {
            cin >> englishSubject;
            if (englishSubject < 0 || englishSubject > 50)

                cout << "Please enter a correct value!" << endl;
        } while (englishSubject < 0 || englishSubject > 50);

        return englishSubject;
    }

    int setMathsSubject() {
        cout << "Please enter the grades of maths: " << endl;
        do {
            cin >> mathsSubject;
            if (mathsSubject < 0 || mathsSubject > 50)
                cout << "Please enter a correct value!" << endl;
        } while (mathsSubject < 0 || mathsSubject > 50);
        return mathsSubject;
    }
    int setscienceSubject() {
        cout << "Please enter the grades of science: " << endl;
        do {
            cin >> scienceSubject;
            if (scienceSubject < 0 || scienceSubject > 50)
                cout << "Please enter a correct value!" << endl;
        } while (scienceSubject < 0 || scienceSubject > 50);
        return scienceSubject;
    }
    int setReligionSubject() {
        cout << "Please enter the grades of religion: " << endl;
        do {
            cin >> religionSubject;
            if (religionSubject < 0 || religionSubject > 50)
                cout << "Please enter a correct value!" << endl;
        } while (religionSubject < 0 || religionSubject > 50);

        return religionSubject;
    }


};

struct Students {
    string firstName;
    string lastName;
    string address;
    int age;
    string gender;
    Subjects subject;
public:
    Students() {
        cout << "Please enter your first name: " << endl;
        cin >> firstName;
        cout << "Please enter your last name: " << endl;
        cin >> lastName;
        cout << "Please enter your address: " << endl;
        cin >> address;
        SetAge();
        setGender();
        subject.setArabicSubject();
        subject.setEnglishSubject();
        subject.setMathsSubject();
        subject.setscienceSubject();
        subject.setReligionSubject();
    }
public:
    int SetAge() {
        int yearOfBirth, age1;
        cout << "Please enter your year of birth: " << endl;
        do {
            cin >> yearOfBirth;
            age1 = 2021 - yearOfBirth;
            if (age1 < 8 || age1 > 12)
                cout << "Error!!" << endl;
        } while (age1 < 8 || age1 > 12);
        return this->age = age1;
    }

    string setGender() {
        cout << "Please enter your gender (male / female) : " << endl;
        do {
            cin >> gender;
            if (gender != "male" && gender != "female")
                cout << "Error!!" << endl;
        } while (gender != "male" && gender != "female");
        return gender;
    }
    ~Students() {
        cout << "I'm destroyed!" << endl;
    }
};


int main() {
    int noOfStudents;
    cout << "Please enter no of students: ";
    cin >> noOfStudents;

    Students* student = new Students[noOfStudents];

    for (int i = 0 ; i <= noOfStudents; i++) {
        //cout << "Please enter the following info for student# " << i << endl;
        student[i];
    }

    int sum = 0;
    double average = 0;
    int count = 0;
    for (int i = 0; i < noOfStudents; i++) {
        if (student[i].gender == "male") {
            sum += student[i].age;
            count++;
        }
    }
    average = (double)  sum / count;
    cout << "The average of male sudents' ages is " << average << endl;


    int sum1 = 0;
    double average1 = 0;
    int count1 = 0;
    for (int i = 0; i < noOfStudents; i++) {
        if (student[i].gender == "female") {
            sum1 += student[i].age;
            count1++;
        }
    }
    average1 = (double)sum1 / count1;
    cout << "The average of female sudents' ages is " << average1 << endl;
    cout << "~*~*~*~*~*~*~*~*~*~*~*~*~" << endl;
    int max = -1, min = 51; sum = 0;
    for (int i = 0; i < noOfStudents; i++) {
        sum += student[i].subject.arabicSubject;
        if (student[i].subject.arabicSubject > max)
        {
            max = student[i].subject.arabicSubject;
        }
        else if (student[i].subject.arabicSubject < min)
        {
            min = student[i].subject.arabicSubject;
        }
    }
        cout << "The max of arabic subject grades is " << max << endl;
        cout << "The min of arabic subject grades is " << min << endl;
        cout << "The average of arabic subject grades is : " << (double)sum / noOfStudents << endl;
        cout << "~*~*~*~*~*~*~*~*~*~*~*~*~" << endl;
        int max1 = -1, min1 = 51, sum7 = 0;
        for (int i = 0; i < noOfStudents; i++) {
            sum7 += student[i].subject.englishSubject;
            if (student[i].subject.englishSubject > max1)
            {
                max1 = student[i].subject.englishSubject;
            }
            else if (student[i].subject.englishSubject < min1)
            {
                min1 = student[i].subject.englishSubject;
            }
        }
        cout << "The max of English subject grades is " << max1 << endl;
        cout << "The min of English subject grades is " << min1 << endl;
        cout << "The average of English subject grades is : " << (double)sum7 / noOfStudents << endl;
        cout << "~*~*~*~*~*~*~*~*~*~*~*~*~" << endl;
        int max2 = -1, min2 = 51, sum2 = 0;
        for (int i = 0; i < noOfStudents; i++) {
            sum2 += student[i].subject.scienceSubject;
            if (student[i].subject.scienceSubject > max2)
            {
                max2 = student[i].subject.scienceSubject;
            }
            else if (student[i].subject.scienceSubject < min2)
            {
                min2 = student[i].subject.scienceSubject;
            }
        }
        cout << "The max of science subject grades is " << max2 << endl;
        cout << "The min of science subject grades is " << min2 << endl;
        cout << "The average of English subject grades is : " << (double)sum2 / noOfStudents << endl;
        cout << "~*~*~*~*~*~*~*~*~*~*~*~*~" << endl;
        int max3 = -1, min3 = 51, sum3 = 0;
        for (int i = 0; i < noOfStudents; i++) {
            sum3 += student[i].subject.mathsSubject;
            if (student[i].subject.mathsSubject > max3)
            {
                max3 = student[i].subject.mathsSubject;
            }
            else if (student[i].subject.mathsSubject < min3)
            {
                min3 = student[i].subject.mathsSubject;
            }
        }
        cout << "The max of maths subject grades is " << max3 << endl;
        cout << "The min of maths subject grades is " << min3 << endl;
        cout << "The average of maths subject grades is : " << (double)sum3 / noOfStudents << endl;
        cout << "~*~*~*~*~*~*~*~*~*~*~*~*~" << endl;

        int max4 = -1, min4 = 51, sum4 = 0;
        for (int i = 0; i < noOfStudents; i++) {
            sum4 += student[i].subject.religionSubject;
            if (student[i].subject.religionSubject > max4)
            {
                max4 = student[i].subject.religionSubject;
            }
            else if (student[i].subject.religionSubject < min4)
            {
                min4 = student[i].subject.religionSubject;
            }
        }
        cout << "The max of religion subject grades is " << max << endl;
        cout << "The min of religion subject grades is " << min << endl;
        cout << "The average of religion subject grades is : " << (double)sum / noOfStudents << endl;
        cout << "~*~*~*~*~*~*~*~*~*~*~*~*~" << endl;
    delete[] student;
    return 0;
}