void Search()...

void List::showSearch(string search_line, int searchType)
{
    Hotel *temp = Head;
    size_t found;
    ns = 0;
    string number_s , cost_s;
    vector<string> searchThere;

    if (searchType == 1) {
        while (temp)
        {
            number_s = to_string(temp->id);
            searchThere.push_back(number_s);
            temp = temp->Next;
        }
    }
    else if (searchType == 2) {
        while (temp)
        {
            searchThere.push_back(temp->fname);
            temp = temp->Next;
        }
    }
    else if (searchType==3) {
        while (temp)
        {
            cost_s = to_string(temp->cost);
            searchThere.push_back(cost_s);
            temp=temp->Next;
        }
    }

    bool search_success=false;
    string findThere;
    int i=0;

    temp=Head;
    while (temp) {
        findThere=searchThere[i];
        found=findThere.find(search_line);

        if (found != std::string::npos)
            search_success=true;
        temp=temp->Next;
        i++;
    }
    if (search_success==true) {
        temp=Head;
        i=0;
        cout << "\t\t\t\t\t\tБД. " << endl;
        cout << "--------------------------------------------------------------------------------------------------------------------" << endl;
        cout << "| НК  |      Имя     |    Фамилия     |   Дата въезда   | Дата выезда  | Номер телефона  |   Стоимость  |  Индекс  |" << endl;
        cout << "--------------------------------------------------------------------------------------------------------------------" << endl;
        while (temp)  {
            findThere=searchThere[i];
            found=findThere.find(search_line);

            if (found != std::string::npos) {

                cout << "|" << setw(4) << temp->id << " |";
                printf(" %11s  | %14s | %15s | %12s | %15s |",
                       temp->name, temp->fname, temp->date_1, temp->date_2, temp->phoneNumber);
                cout << setw(11) << temp->cost << "   |    " << setw(3) << ns + 1 << "   |" << endl;
                cout << "--------------------------------------------------------------------------------------------------------------------" << endl;
                ns++; search_success=true;
            }
            temp=temp->Next; i++;
        }
    cout << "\t\t\t\t\t\t\t\t\t\t\tНайдено Объектов: " << ns << endl;
    }
    else cout<<"Поиск не дал результатов..."<<endl;
}

void List::Search()
{
    if (n == 0) cout << "БД пуста..." << endl;
    int searchType;
    string search_line;
    cout << "Поиск по: 1. Номеру комнаты, 2. Фамилии, 3.Стоимости : "; cin >> searchType;
    if (searchType<=0 || searchType>3) cout<<"Неверный выбор.";
    else {
        cout << "Введите строку поиска: "; cin >> search_line;
        showSearch(search_line, searchType);
    }
}