Создать базовый класс «грузоперевозчик» и производные классы «Самолёт», «Поезд», «Автомобиль»

#include <iostream>
#include <sstream>
#include <string>
#include <cstdlib>
 
using namespace std;
 
 
class abs_transporter{
protected:
int priceperkilometer;
string name;
public:
abs_transporter(){
name = "base for all transporters";
priceperkilometer = 0;
}
 
virtual string toString(){
ostringstream oss;
oss << "It's a "<< name << ". Price " << priceperkilometer << "RUR (direction indepedent)";
name = oss.str();
return name;
}
virtual int Calculate(int from,int to)=0;
 
};
 
class Airplane: public abs_transporter{
public:
Airplane(int P){
priceperkilometer = P;
name = "airplane";
}
 
int Calculate(int from,int to){
return (to-from>2000?.05:1)*(to-from)*priceperkilometer;
}
 
};
 
class TheTrain: public abs_transporter{
public:
TheTrain(int P){
priceperkilometer = P;
name = "Train";
}
 
int Calculate(int from,int to){
return (to - from)* priceperkilometer;
}
};
int main(){
int i,j,S,D;
abs_transporter **arr;
arr = new abs_transporter *[10];
for(i=0;i<10;i++)
if ( rand() % 100 > 50 )
arr[i] = new Airplane( rand() % 200 );
else
arr[i] = new TheTrain( rand() % 10 );
cout << "Enter 'from' and 'to' values for each direction - ?"<< endl;
cin >> S >> D;
for(i=0;i<10;i++)
cout << "Transporter [" << i << "] is "<< arr[i]->toString() << "Stoimost "<< D-S << "km =
" << arr[i]->Calculate(S,D) << endl;
for(i=0;i<10;i++)
delete arr[i];
delete arr;
return 0;
}

class Carrier
{
private:
   string name;
 
public:
   string get_name();
   void set_name(string name);
};

class Plane : Carrier
{
};
 
class Train : Carrier
{
};