case 0:
cout << "+------------------------------------------+" << endl;
cout << "| " << left << setw(40) << "Выход из программы" << " |" << endl;
cout << "+------------------------------------------+" << endl;
break;
default:
cout << "+------------------------------------------+" << endl;
cout << "| " << left << setw(40) << "Ошибка: нет такого пункта" << " |" << endl;
cout << "+------------------------------------------+" << endl;
}