The diamond problem solution

#include <bits/stdc++.h>
using namespace std;

class A
{
public:
    A()
    {
        cout<<"A constructor called\n\n";
    }
};

class B: virtual public A
{
public:
    B()
    {
        cout<<"B constructor called\n\n";
    }
};

class C: virtual public A
{
public:
    C()
    {
        cout<<"C constructor called\n\n";
    }
};

class E: virtual public A
{
public:
    E()
    {
        cout<<"E constructor called\n\n";
    }
};

class F: virtual public A
{
public:
    F()
    {
        cout<<"F constructor called\n\n";
    }
};

class G: public E, public F
{
public:
    G()
    {
        cout<<"G constructor called\n\n";
    }
};

class H
{
public:
    H()
    {
        cout<<"H constructor called\n\n";
    }
};

class I: virtual public H, virtual public C
{
public:
    I()
    {
        cout<<"I constructor called\n\n";
    }
};

class J: virtual public H
{
public:
    J()
    {
        cout<<"J constructor called\n\n";
    }
};

class K: virtual public I, public J
{
public:
    K()
    {
        cout<<"K constructor called\n\n";
    }
};

class L: virtual public I
{
public:
    L()
    {
        cout<<"L constructor called\n\n";
    }
};

class D: public B, virtual public C, public G, public L, public K
{
public:
    D()
    {
        cout<<"D constructor called\n\n";
    }
};

int main()
{
    D d1;
}