#include <iostream>

using namespace std;

class base {
    public:
	base() {
	    cerr << "base constructor" << endl;
	}
};

class derived : base {

    public:

	derived() {
	    cerr << "derived constructor" << endl;
	}

	~derived() {
	    cerr << "derived destructor" << endl;
	}
};

int main()
{
    // base **p = (base**) new derived*[10];

    derived *d = new derived();
    delete d;

    derived d2;

    derived d3();
    // cout << d3.v << endl;

    return 0;
}