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- #include <iostream>
- using namespace std;
- struct client {
- char name[20]; // 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_number = 0;
- clients_base_size = 5;
- clients = new client[clients_base_size];
- }
- client_base(const int base_size) {
- clients_number = 0;
- clients_base_size = base_size;
- clients = new client[base_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--;
- i--; // если подряд идут два клиента с одинаковым именем
- }
- }
- }
- void find_client_name(const char* name) {
- for (int i = 0; i < clients_number; i++) {
- if (!strcmp(clients[i].name, name)) {
- print_client(i);
- }
- }
- cout << endl;
- }
- void find_client_number(const char* number) {
- for (int i = 0; i < clients_number; i++) {
- if (!strcmp(clients[i].phone_number, number)) {
- print_client(i);
- }
- }
- cout << endl;
- }
- void show_all_clients() {
- for (int i = 0; i < clients_number; i++) {
- print_client(i);
- }
- cout << endl;
- }
- void show_regular_clients() {
- for (int i = 0; i < clients_number; i++) {
- if (clients[i].regular_customer) {
- print_client(i);
- }
- }
- cout << endl;
- }
- ~client_base() {
- delete[] clients;
- }
- private:
- void print_client(const int i) {
- cout << clients[i].name << ", номер - " << clients[i].phone_number << ", id - " << clients[i].client_id << ", скидка - " << clients[i].personal_discount << " %";
- if (clients[i].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(20);
- my_base.new_client("Иван", "+79111111111", 1212, 10, true);
- my_base.new_client("Вася", "+79111112222", 1213, 5, false);
- my_base.new_client("Галя", "+79111113333", 1214, 15, true);
- my_base.new_client("Маша", "+79111114444", 1215, 10, true);
- my_base.show_all_clients();
- my_base.del_client("Маша");
- my_base.show_all_clients();
- my_base.find_client_name("Иван");
- my_base.show_regular_clients();
- }
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