Inheritance [Multiple & Multi Level]

#include <iostream>
using namespace std;

class people
{
    int age ;

public:

    people(int x)
    {
        age=x;
    }

    display()
    {
        cout<<"Age is: "<<age<<endl;
    }

};

class student : public people
{
    float cgpa;

public:

    student(int x, float b):people(x)
    {
        cgpa=b;
    }

    display()
    {
        people::display();
        cout<<"CGPA is: "<<cgpa<<endl;
    }

};


class employee : public people
{

protected:

    int salary;

public:

    employee (int x, int s):people(x)
    {
        salary=s;
    }

    display()
    {
        people::display();
        cout<<"Salary is: "<<salary<<endl;
    }

};


class embastudent :  public student,  public employee
{
public:

    embastudent(int x, float b, int s) : student(x,b), employee(x,s){}

    display()
    {
        student::display();
        /*employee::display();*/
        cout<<"Salary is: "<<salary<<endl;
     }

};

int main()
{
    embastudent es1(25, 4.0, 20000);
    es1.display();

}