#include <iostream>
#include <string>
 
using namespace std;
 
class A
{
public:
    A(const A& other)
        : name(other.name)
    {
        cout << "A(" << name << ")::copy-constructor(), this = " << this << endl;
    }
    A(string name)
        : name(name)
    {
        cout << "A(" << name << ")::constructor(), this = " << this << endl;
    }
    ~A()
    {
        cout << "A(" << name << ")::destructor(), this = " << this << endl;
    }
private:
    string name;
};
 
class C
{
public:
    C(string name, A a)
        : name(name), a(a)
    {
        cout << "C(" << name << ")::constructor()" << endl;
    }
    ~C()
    {
        cout << "C(" << name << ")::destructor()" << endl;
    }
private:
    string name;
    A a;
};
 
class B
{
public:
    B(string name)
        : name(name)
    {
        cout << "B(" << name << ")::constructor()" << endl;
    }
    ~B()
    {
        cout << "B(" << name << ")::destructor()" << endl;
    }
private:
    string name;
    A a1{"a1"};
    A a2{"a2"};
    C c1{"c1", a1};
    A a3{"a3"};
};
 
int main()
{
    B b("b1");
    return 0;
}

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