#include <iostream>

class Explicit{
  public:
    int data;
    Explicit();
    Explicit(int argument);
    Explicit(const Explicit &original);
    ~Explicit();
};

class Implicit{
  public:
    int data;
};

Explicit::Explicit() { this->data=0; }
Explicit::Explicit(int a) {this->data=0; }
Explicit::Explicit(const Explicit &orig){this->data = orig.data;}
Explicit::~Explicit(){}

int main(){
  Explicit e1;          //static ctor call
  Explicit *e2;

  e2 = new Explicit();  //dynamic ctor call
  delete e2;            //dynamic dtor call

  e2 = new Explicit(2); //dynamic ctor call
  Explicit e3 = *e2;    //copy ctor
  delete e2;            //dtor

  Implicit i1;  //ctor
  Implicit *i2 = new Implicit(); //ctor
  Implicit i3 = *i2; //implicit copy ctor
  delete i2; //dtor

  return 0; // dtor e1, e3, i1, i3
}