#include<iostream.h>
#include<conio.h>

class student
{
    public:
    int stuid, phy, chem, math, comps;
    string stuname;
    void getdata()
    {
        cout << "***Enter Student details***" << endl;
        cout << "Enter Student ID: ";
        cin >> stuid;
        cout << "Enter Student Name: ";
        cin >> stuname;
        cout << "Enter Math marks out of 80: ";
        cin >> math;
        cout << "Enter Phy marks out of 80: ";
        cin >> phy;
        cout << "Enter Chem marks out of 80: ";
        cin >> chem;
        cout << "Enter CS marks out of 80: ";
        cin >> comps;
    }
};

class calculate_percentage
{
    public:
    float a, b, c, d, e;
    void calculate(int m, int p, int ch, int cs)
    {
        a = (float)m / 80 * 100;
        b = (float)p / 80 * 100;
        c = (float)ch / 80 * 100;
        d = (float)cs / 80 * 100;
        e = (a + b + c + d) / 4;
    }
};

class display : public student, public calculate_percentage
{
    public:
    void print()
    {
        calculate(math, phy, chem, comps);
        cout << "\nMath Percentage = " << a << "%" << endl;
        cout << "Phy Percentage = " << b << "%" << endl;
        cout << "Chem Percentage = " << c << "%" << endl;
        cout << "CS Percentage = " << d << "%" << endl;
        cout << "Aggregate Percentage = " << e << "%" << endl;
    }
};

void main()
{
    clrscr();
    display s1;
    s1.getdata();
    s1.print();
    getch();
}

//...........Coded by Ananya Vidyadharan
 

#include <iostream>
using namespace std;

class student
{
    public:
    int stuid, phy, chem, math, comps;
    string stuname;
    void getdata()
    {
        cout << "***Enter Student details***" << endl;
        cout << "Enter Student ID: ";
        cin >> stuid;
        cout << "Enter Student Name: ";
        cin >> stuname;
        cout << "Enter Math marks out of 80: ";
        cin >> math;
        cout << "Enter Phy marks out of 80: ";
        cin >> phy;
        cout << "Enter Chem marks out of 80: ";
        cin >> chem;
        cout << "Enter CS marks out of 80: ";
        cin >> comps;
    }
};

class calculate_percentage
{
    public:
    float a, b, c, d, e;
    void calculate(int m, int p, int ch, int cs)
    {
        a = (float)m / 80 * 100;
        b = (float)p / 80 * 100;
        c = (float)ch / 80 * 100;
        d = (float)cs / 80 * 100;
        e = (a + b + c + d) / 4;
    }
};

class display : public student, public calculate_percentage
{
    public:
    void print()
    {
        calculate(math, phy, chem, comps);
        cout << "\nMath Percentage = " << a << "%" << endl;
        cout << "Phy Percentage = " << b << "%" << endl;
        cout << "Chem Percentage = " << c << "%" << endl;
        cout << "CS Percentage = " << d << "%" << endl;
        cout << "Aggregate Percentage = " << e << "%" << endl;
    }
};

int main()
{
    display s1;
    s1.getdata();
    s1.print();
    return 0;
}

//...........Coded by Ananya Vidyadharan