Naruszenie ochrony pamięci w strukturze dynamicznej

#include <iostream>
#include <string>

int main()
{
    using namespace std;
   
    struct car
    {
        string mark;
        int year_of_production;
    };
   
    int number_of_cars;
    cout << "Ile samochodów chcesz skatalogować? ";
    ( cin >> number_of_cars ).get();
   
    car * cars = new car[ number_of_cars ];
   
    for( int i = 0; i < number_of_cars; i++ )
    {
        cout << "Samochód #" << i + 1 << ": " << endl;
        cout << "Prosze podać markę: ";
        getline( cin, cars[ number_of_cars ].mark );
        cout << "Rok produkcji: ";
        ( cin >> cars[ number_of_cars ].year_of_production ).get();
    }
   
    for( int i = 0; i < number_of_cars; i++ )
    {
        cout << cars[ number_of_cars ].year_of_production << " " << cars[ number_of_cars ].mark << endl;
    }
   
    delete[] cars;
   
    return 0;
}