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

class Person
{
    int eno;
    char name[20], des[20];
    // Private members cannot call from outside class.
    public:
    void getPersonDetails()
    {
        cout << "\nEnter the Person number: ";
        cin >> eno;
        cout << "Enter the Person name: ";
        cin >> name;
        cout << "Enter the Person designation: ";
        cin >> des;
    }

    void person_display()
    {
        cout << "\nPerson number: " << eno;
        cout << "\nPerson name: " << name;
        cout << "\nPerson designation: " << des;
    }
};

class Employee : private Person
{
    // Private Base Class, We cannot access outside the dervied Class
    float bp, hra, da, pf, np;

    public:
    void getEmployeeDetails()
    {
        getPersonDetails();
        cout << "Enter the Basic pay: ";
        cin >> bp;
        cout << "Enter the Human Resource Allowance: ";
        cin >> hra;
        cout << "Enter the Dearness Allowance: ";
        cin >> da;
        cout << "Enter the Profitablity Fund: ";
        cin >> pf;
        calculate();
    }

    void calculate()
    {
        np = bp + hra + da - pf;
    }

    void employee_display()
    {
        person_display();
        cout << "\nEmployee Basic pay: " << bp;
        cout << "\nEmployee Human Resource Allowance: " << hra;
        cout << "\nEmployee Dearness Allowance: " << da;
        cout << "\nEmployee Profitablity Fund: " << pf;
        cout << "\nEmployee Net Pay: " << np;
    }
};

class Student : private Person
{
    char college[20], course[20];

    public:
    void getStudentDetails()
    {
        getPersonDetails();
        cout << "Enter the Student college Name: ";
        cin >> college;
        cout << "Enter the Student course Name: ";
        cin >> course;
    }

    void student_display()
    {
        person_display();
        cout << "\nStudent college Name: " << college;
        cout << "\nStudent Course: " << course << endl;
    }
};

void main()
{
    clrscr();
    int i, n;
    char ch;
    Student s[10];
    Employee e[10];
    cout << "Simple Hierarchical Inheritance Example Program : Payroll System \n";

    cout << "Enter the number of Student: ";
    cin >> n;
    for (i = 0; i < n; i++)
    {
        cout << "\nStudent Details # " << (i + 1) << " : ";
        s[i].getStudentDetails();
    }

    for (i = 0; i < n; i++)
    {
        s[i].student_display();
    }

    cout << "\n\nEnter the number of Employee: ";
    cin >> n;
    for (i = 0; i < n; i++)
    {
        cout << "\nEmployee Details # " << (i + 1) << " : ";
        e[i].getEmployeeDetails();
    }

    for (i = 0; i < n; i++)
    {
        e[i].employee_display();
    }

    getch();
}

//.............Coded by RISHAB NAIR

#include <iostream>
using namespace std;

class Person
{
    int eno;
    char name[20], des[20];
    // Private members cannot call from outside class.
    public:
    void getPersonDetails()
    {
        cout << "\nEnter the Person number: ";
        cin >> eno;
        cout << "Enter the Person name: ";
        cin >> name;
        cout << "Enter the Person designation: ";
        cin >> des;
    }

    void person_display()
    {
        cout << "\nPerson number: " << eno;
        cout << "\nPerson name: " << name;
        cout << "\nPerson designation: " << des;
    }
};

class Employee : private Person
{
    // Private Base Class, We cannot access outside the dervied Class
    float bp, hra, da, pf, np;

    public:
    void getEmployeeDetails()
    {
        getPersonDetails();
        cout << "Enter the Basic pay: ";
        cin >> bp;
        cout << "Enter the Human Resource Allowance: ";
        cin >> hra;
        cout << "Enter the Dearness Allowance: ";
        cin >> da;
        cout << "Enter the Profitablity Fund: ";
        cin >> pf;
        calculate();
    }

    void calculate()
    {
        np = bp + hra + da - pf;
    }

    void employee_display()
    {
        person_display();
        cout << "\nEmployee Basic pay: " << bp;
        cout << "\nEmployee Human Resource Allowance: " << hra;
        cout << "\nEmployee Dearness Allowance: " << da;
        cout << "\nEmployee Profitablity Fund: " << pf;
        cout << "\nEmployee Net Pay: " << np;
    }
};

class Student : private Person
{
    char college[20], course[20];

    public:
    void getStudentDetails()
    {
        getPersonDetails();
        cout << "Enter the Student college Name: ";
        cin >> college;
        cout << "Enter the Student course Name: ";
        cin >> course;
    }

    void student_display()
    {
        person_display();
        cout << "\nStudent college Name: " << college;
        cout << "\nStudent Course: " << course << endl;
    }
};

int main()
{
    int i, n;
    char ch;
    Student s[10];
    Employee e[10];
    cout << "Simple Hierarchical Inheritance Example Program : Payroll System \n";

    cout << "Enter the number of Student: ";
    cin >> n;
    for (i = 0; i < n; i++)
{
        cout << "\nStudent Details # " << (i + 1) << " : ";
        s[i].getStudentDetails();
    }

    for (i = 0; i < n; i++)
    {
        s[i].student_display();
    }

    cout << "\n\nEnter the number of Employee: ";
    cin >> n;
    for (i = 0; i < n; i++)
    {
        cout << "\nEmployee Details # " << (i + 1) << " : ";
        e[i].getEmployeeDetails();
    }

    for (i = 0; i < n; i++)
    {
        e[i].employee_display();
    }

    return 0;
}

//.............Coded by RISHAB NAIR