lab3.1

#include <iostream>
#include <vector>
#include <fstream>

using namespace std;

class Car {
public:
    string model;

    Car(string model) {
        this->model = model;
    }

    virtual ~Car() {}
};

class Mercedes : public Car {
public:
    Mercedes(string model) : Car(model) {}

    ~Mercedes() {
        cout << "Mercedes " << model << endl;
    }
};

class Tesla : public Car {
public:
    Tesla(string model) : Car(model) {}

    ~Tesla() {
        cout << "Tesla " << model << endl;
    }
};

class Lada : public Car {
public:
    Lada(string model) : Car(model) {}

    ~Lada() {
        cout << "Lada " << model << endl;
    }
};

class Kia : public Car {
public:
    Kia(string model) : Car(model) {}

    ~Kia() {
        cout << "Kia " << model << endl;
    }
};

class Volkswagen : public Car {
public:
    Volkswagen(string model) : Car(model) {}

    ~Volkswagen() {
        cout << "Volkswagen " << model << endl;
    }
};

class Nissan : public Car {
public:
    Nissan(string model) : Car(model) {}

    ~Nissan() {
        cout << "Nissan " << model << endl;
    }
};

class Lexus : public Car {
public:
    Lexus(string model) : Car(model) {}

    ~Lexus() {
        cout << "Lexus " << model << endl;
    }
};

class VAZ : public Car {
public:
    VAZ(string model) : Car(model) {}

    ~VAZ() {
        cout << "VAZ " << model << endl;
    }
};

int main() {
    vector<Car *> cars;
    ifstream file("cars.txt");
    string input, car;
    while (file >> input) {
        car = input;
        file >> input;

        if (car == "Mercedes")
            cars.push_back(new Mercedes(input));
        else if (car == "Tesla")
            cars.push_back(new Tesla(input));
        else if (car == "Lada")
            cars.push_back(new Lada(input));
        else if (car == "Kia")
            cars.push_back(new Kia(input));
        else if (car == "Volkswagen")
            cars.push_back(new Volkswagen(input));
        else if (car == "Nissan")
            cars.push_back(new Nissan(input));
        else if (car == "Lexus")
            cars.push_back(new Lexus(input));
        else if (car == "VAZ")
            cars.push_back(new VAZ(input));
    }
    file.close();

    for(auto el : cars)
        delete el;

    return 0;
}