#include <iostream>

using std::cout;
using std::cin;
using std::endl;

class Carton
{
private:
    double length;
    double width;
    double height;

public:
    Carton ();
    Carton (double l, double w, double h);
    double getVolume () {return length * width * height;}
    void setLength (double l) {length = l;}
    void setWidth (double w) {width = w;}
    void setHeight (double h) {height = h;}
};

Carton::Carton()
{
    length = 1.0;
    width = 1.0;
    height = 1.0;
}


Carton::Carton (double l, double w, double h = 1.0)
{
    length = l;
    width = w;
    height = h;
}

Carton *inputCartons ();

int main ()
{
    Carton *pCartons = inputCartons ();
    Carton *pTemp = pCartons;

    for (int i = 0; i < 4; ++i)
    {
        cout << "Carton " << i << " volume = ";
        cout << pTemp->getVolume ();
        cout << endl;
        ++pTemp;
    }


    return 0;
}

Carton *inputCartons ()
{
    double Dimensions [4][3];
    int i;
 
    for (i = 0; i < 4; i++)
    {
        cout << "Package " << i+1 << endl;
        cout << "Enter the dimension for the length (enter 1 for default): ";
        cin >> Dimensions [i][0];
  
        cout << "Enter the dimension for the width (enter 1 for default): ";
        cin >> Dimensions [i][1];
    
        cout << "Enter the dimension for the height (enter 1 for default): ";
        cin >> Dimensions [i][2];
    }
    
    Carton *pCartons = new Carton [4];
    Carton *pTemp = pCartons;

    for (i = 0; i < 4; ++i)
    {
        pTemp->setLength (Dimensions [i][0]);
        pTemp->setWidth  (Dimensions [i][1]);
        pTemp->setHeight (Dimensions [i][2]);
        ++pTemp;
    }

    return pCartons;
}