//Define raiload car array

railroad_car *train[100];

main() {

int car_count, type_code, n;

for (car_count = 0; cin >> type_code; ++car_count)

if (type_code == 0) train[car_count] = new engine;

else if (type_code == 1) train[car_count] = new box_car;

else if (type_code == 2) train[car_count] = new tank_car;

else if (type_code == 3) train[car_count] = new caboose;

cout << "There are " << car_count

<< " cars in the array." << endl;

for (n=0; n < car_count; ++n) {

train[n] -> display_short_name();

cout << endl;

}

}