#include <iostream>
#include <vector>
using namespace std;

class X
{
    public:
    int i;
    X();
    ~X();
};

X::X()
{
    i = 1;
    cout << "---constructor" << '\n';
}

X::~X()
{
    cout << "***desctructor" << '\n';
}

int main()
{
    vector<X> *vx = new vector<X>;
    cout << "------------------------------------" << endl;
    vx->push_back(X());
    vx->push_back(X());
    vx->push_back(X());
    vx->push_back(X());
    vx->push_back(X());
    cout << "------------------------------------" << endl;
    delete vx;
}