/*Функция сортировки товаров по количеству*/
void SortListQuan(List* First)
{
    List* pointer = First;
    List* Headpointer = First;
    int count = 0, j, tmp;

    int* Quan = new int[n];
    for (int i = 0; i < n; i++)
    {
        Quan[i] = pointer->tovar.quantity;
        pointer = pointer->next;
    }

    for(int i = 0; i < n - 1; i++)
        for (int j = i + 1; j < n; j++)
        {
            if (Quan[i] == Quan[j])
                Quan[j] = 0;
        }

    for (int i = 0; i < n; i++)
        if (Quan[i] != 0)
            count++;

    j = 0;
    int* SortQuan = new int[count];
    for (int i = 0; i < n; i++)
        if (Quan[i] != 0)
        {
            SortQuan[j] = Quan[i];
            j++;
        }

    for(int i = 0; i < count; i++)
        for(int j = count - 1; j > i; j--)
            if (SortQuan[j - 1] < SortQuan[j])
            {
                tmp = SortQuan[j-1];
                SortQuan[j-1] = SortQuan[j];
                SortQuan[j] = tmp;
            }

    pointer = Headpointer;

    cout << "\n\n";
    cout << "Информация о всех товарах\n";
    cout << "\n";

    int temp = strlen("Название товара") + 1;
    if (temp < get_max_name(pointer) + 1)
        temp = get_max_name(pointer) + 1;

    /*Ячейки-заголовки*/
    cout << "Секция" << ' ';
    cout << setw(temp) << "Название товара" << ' ';
    cout << setw(10) << "Цена" << ' ';
    cout << "Количество" << ' ';
    cout << "Дата изготовления" << ' ';
    cout << "Срок хранения(мес.)" << ' ';
    /*Конец ячеек-заголовков*/
    cout << '\n';

    pointer = Headpointer;

    for (int i = 0; i < count - 1; i++)
    {
        for (int j = 0; j < n; j++)
        {
            if ((pointer->tovar.quantity <= SortQuan[i]) && (pointer->tovar.quantity > SortQuan[i + 1]))
            {
                cout << setw(6) << pointer->tovar.section << ' ';
                cout << setw(temp) << pointer->tovar.name << ' ';
                cout << setw(10) << setprecision(2) << fixed << pointer->tovar.price << ' ';
                cout << setw(10) << pointer->tovar.quantity << ' ';
                cout << setw(3) << pointer->tovar.date.day << ' ';
                cout << setw(8) << pointer->tovar.date.month << ' ';
                cout << setw(4) << pointer->tovar.date.year << ' ';
                cout << setw(18) << pointer->tovar.life << ' ';
                cout << '\n';
            }
            pointer = pointer->next;
        }
        pointer = Headpointer;
    }

    for (int j = 0; j < n; j++)
    {
        if ((pointer->tovar.quantity < SortQuan[count-2]) && (pointer->tovar.quantity >= SortQuan[count-1]))
        {
            cout << setw(6) << pointer->tovar.section << ' ';
            cout << setw(temp) << pointer->tovar.name << ' ';
            cout << setw(10) << setprecision(2) << fixed << pointer->tovar.price << ' ';
            cout << setw(10) << pointer->tovar.quantity << ' ';
            cout << setw(3) << pointer->tovar.date.day << ' ';
            cout << setw(8) << pointer->tovar.date.month << ' ';
            cout << setw(4) << pointer->tovar.date.year << ' ';
            cout << setw(18) << pointer->tovar.life << ' ';
            cout << '\n';
        }
        pointer = pointer->next;
    }

}