void plus300(vector<auta> &x, vector<auta> &plus) {
    vector<auta>::iterator iter;
    for (auto itr = x.begin(); itr != x.end(); ++itr) {
        if (itr->power >= 300) {
            iter = itr;
            plus.push_back(*iter);
        }
    }

    cout << plus.size() << " samochodow przekroczylo bariere 300" << endl << endl;
}

bool najmniejszy(auta a1, auta a2) {
    if (a1.year < a2.year)
        return true;
    else
        return false;
}

void first300(vector<auta> &plus) {
    vector<auta>::iterator itr = min_element(plus.begin(), plus.end(), najmniejszy);

    cout << "Pierwszy bariere 300 przekroczyl " << itr->model << " w roku " << itr->year << endl;
}

bool sortByYear(auta a1, auta a2) {
    if (a1.model < a2.model)
        return true;
    else
        return false;
}

void sortowanie(vector<auta> &x) {
    fstream plik;
    plik.open("cars_sorted.txt", ios::out);

    if (plik.is_open()) {
        sort(x.begin(), x.end(), sortByYear);
        for (auto &itr : x) {
            plik << itr.year << "|" << itr.country << "|" << itr.model << "|" << itr.power << endl;
        }
    }
    else
        cout << "ERROR SORT!" << endl;
}

bool theFastest(auta a1, auta a2) {
    if (a1.power < a2.power)
        return true;
    else
        return false;
}

void najszybszy(vector<auta> &x) {
    vector<auta>::iterator itr = max_element(x.begin(), x.end(), theFastest);

    cout << "Model: " << itr->model << endl;
    cout << "Rok: " << itr->year << endl;
    cout << "Kraj: " << itr->country << endl;
    cout << "Moc: " << itr->power << endl;
}

void zad1() {
    fstream file;
    file.open("auta2.txt", ios::in);
    vector<auta> v_cars;
    vector<auta> above300;
    auta car;

    if (file.is_open()) {
        while (!file.eof()) {
            char tmp;
            string lastString;
            file >> car.year; file >> tmp;
            getline(file, car.country, ';');
            getline(file, car.model, ';');
            file >> car.power; file >> lastString;

            v_cars.push_back(car);
        }

        plus300(v_cars, above300);

        first300(above300);

        sortowanie(v_cars);

        najszybszy(v_cars);

        /*for (auto &itr : v_cars)
            cout << itr.year << "|" << itr.country << "|" << itr.model << "|" << itr.power << endl;*/
    }
    else
        cout << "ERROR!" << endl;

    file.close();
}