Lab_9_Task1/9 var (IIl semester)

#include "stdafx.h"
#include <iostream>

using namespace std;
class B1 {
    int a;
public:
    B1() { };
    B1(int x) { a = x; }
    void show_B1() { cout << "B1 = " << a << "\n"; }
};
class B2 {
    int a;
public:
    B2() { };
    B2(int x) { a = x; }
    void show_B2() { cout << "B2 = " << a << "\n"; }
};
class D1 : private B1, public B2 {
    int b;
public:
    D1(int x, int y, int z) : B1(y), B2(z) { b = x; };
    void show_D1() { cout << "D1 = " << b << "\n"; show_B1(); show_B2(); }
};
class D2 : public B1, private B2 {
    int c;
public:
    D2(int x, int y, int z) : B1(y), B2(z) { c = x; };
    void show_D2() { cout << "D2 = " << c << "\n"; show_B1(); show_B2(); }
};
class D3 : private D1, public D2 {
    int d;
public:
    D3(int x, int y, int z, int i, int j, int k, int l) : D1(y, z, i), D2(j, k, l) { d = x; }
    void show_D3() { cout << "D3 = " << d << "\n"; show_D1(); show_D2(); }
};

int main(void)
{
    D3 temp(100, 200, 300, 400, 500, 600, 700);
    D2 temp1(1, 2, 3);
    cout << "---D3 temp(100, 200, 300, 400, 500, 600, 700)---\n";
    cout << "Class hierarchy D3: \n";
    temp.show_D3();
    cout << "\n---D2 temp1(1,2,3)---\n";
    cout << "Class hierarchy D2\n";
    temp1.show_D2();
    system("pause");
    return 0;
}