#include <iostream>

using namespace std;

struct client {
    char name[30]; // имя клиента
    char phone_number[20]; // номер телефона
    int client_id; // id клиента
    int personal_discount; // размер скидки
    bool regular_customer; // постоянный покупатель (да / нет)
};

class client_base {

public:

    client_base() {
        clients = new client[5];
        clients_number = 0;
        clients_base_size = 5;
    }

    client_base(const int size) {
        clients = new client[size];
        clients_number = 0;
        clients_base_size = size;
    }

    void new_client(const char* name, const char* phone_number, const int client_id, const int personal_discount, const bool regular_customer) {
        if (clients_number == clients_base_size) {
            client* temp = new client[clients_base_size * 2];
            for (int i = 0; i < clients_number; i++) {
                temp[i] = clients[i];
            }
            delete[] clients;
            clients = temp;
            clients_base_size *= 2;
        }
        strcpy(clients[clients_number].name, name);
        strcpy(clients[clients_number].phone_number, phone_number);
        clients[clients_number].client_id = client_id;
        clients[clients_number].personal_discount = personal_discount;
        clients[clients_number].regular_customer = regular_customer;
        clients_number++;
    }

    void del_client(const char* name) {
        for (int i = 0; i < clients_number; i++) {
            if (!strcmp(clients[i].name, name)) {
                for (int j = i; j < clients_number - 1; j++) {
                    clients[j] = clients[j + 1];
                }
                clients_number--;
            }
        }
    }


    void find_client(const char* name) {
        for (int i = 0; i < clients_number; i++) {
            if (!strcmp(clients[i].name, name)) {
                print_client(clients[i]);
            }
        }
        cout << endl;
    }

    void show_all_clients() {
        for (int i = 0; i < clients_number; i++) {
            print_client(clients[i]);
        }
        cout << endl;
    }

    void show_regular_clients() {
        for (int i = 0; i < clients_number; i++) {
            if (clients[i].regular_customer) {
                print_client(clients[i]);
            }
        }
        cout << endl;
    }

    ~client_base() {
        delete[] clients;
    }

private:

    void print_client(const client& cl) {
        cout << cl.name << " " << cl.phone_number << " " << cl.client_id << " " << cl.personal_discount;
        if (cl.regular_customer) {
            cout << " постоянный покупатель";
        }
        cout << endl;
    }

    client* clients; // динамический массив клиентов
    int clients_number; // количество клиентов
    int clients_base_size; // текущий максимальный размер базы
};

int main() {

    setlocale(LC_ALL, "ru");

    client_base my_base(200);

    my_base.new_client("Иван", "+79111111111", 1129, 10, true);
    my_base.new_client("Вася", "+79111111222", 1130, 5, false);
    my_base.new_client("Олег", "+79111111333", 1131, 15, true);
    my_base.new_client("Мария", "+79111111444", 1132, 10, false);
    my_base.new_client("Галя", "+79111111555", 1133, 20, true);
    my_base.show_all_clients();

    my_base.del_client("Иван");
    my_base.show_regular_clients();

    my_base.find_client("Галя");
}