#define _CRT_SECURE_NO_WARNINGS

#include <iostream>

using namespace std;

struct contact {
    char name[40];
    char mobile_phone[20];
    char home_phone[20];
    char work_phone[20];
};

struct phone_book {
    int capacity = 4;
    contact* store = new contact[capacity];
    int contacts_number = 0;
};

void show_all_contacts(const phone_book& book) {
    for (int i = 0; i < book.contacts_number; i++) {
        cout << book.store[i].name << ", мобильный телефон -  " << book.store[i].mobile_phone << ", домашний телефон - " << book.store[i].home_phone << ", рабочий телефон - " << book.store[i].work_phone << endl;
    }
    cout << endl;
}

void add_contact(struct phone_book& book, const char* name, const char* mobile_phone, const char* home_phone, const char* work_phone) {
    if (book.contacts_number == book.capacity) {
        contact* temp = new contact[book.capacity * 2];
        for (int i = 0; i < book.contacts_number; i++) {
            temp[i] = book.store[i];
        }
        delete[] book.store;
        book.store = temp;
        book.capacity *= 2;
    }
    strcpy(book.store[book.contacts_number].name, name);
    strcpy(book.store[book.contacts_number].mobile_phone, mobile_phone);
    strcpy(book.store[book.contacts_number].home_phone, home_phone);
    strcpy(book.store[book.contacts_number].work_phone, work_phone);
    book.contacts_number++;
}


void del_contact(struct phone_book& book, const char* name) {
    for (int i = 0; i < book.contacts_number; i++) {
        if (!strcmp(book.store[i].name, name)) {
            for (int j = i; j < book.contacts_number - 1; j++) {
                book.store[j] = book.store[j + 1];
            }
            book.contacts_number--;
        }
    }
}

void find_contact_name(struct phone_book& book, const char* name) {
    for (int i = 0; i < book.contacts_number; i++) {
        if (!strcmp(book.store[i].name, name)) {
            cout << book.store[i].name << ", мобильный телефон -  " << book.store[i].mobile_phone << ", домашний телефон - " << book.store[i].home_phone << ", рабочий телефон - " << book.store[i].work_phone << endl;
        }
    }
}

int main() {

    setlocale(LC_ALL, "ru");

    phone_book my_book;

    add_contact(my_book, "Иван", "+79111111111", "111111", "121212");
    add_contact(my_book, "Оля", "+79111114444", "114444", "141414");
    add_contact(my_book, "Саша", "+79111115555", "115555", "151515");
    add_contact(my_book, "Женя", "+79111116666", "116666", "161616");

    show_all_contacts(my_book);

    del_contact(my_book, "Женя");

    show_all_contacts(my_book);

    find_contact_name(my_book, "Саша");

}