#include <iostream>
#include <set>

using namespace std;

class worker {

public:

    worker(string name, int salary, int id) : name_(name), salary_(salary), id_(id) {}

    void set_name(const string& name) {
        name_ = name;
    }

    string get_name() {
        return name_;
    }

    void set_salary(int salary) {
        salary_ = salary;
    }

    int get_salary() {
        return salary_;
    }

    void set_id(int id) {
        id_ = id;
    }

    int get_id() {
        return id_;
    }

    virtual void work() = 0;

private:
    string name_;
    int salary_;
    int id_;
};

class programmer : public worker {

public:
    programmer(string name, int salary, int id) : worker(name, salary, id) {}

    void add_project(string project_name) {
        projects_.insert(project_name);
    }

    void del_project(string project_name) {
        projects_.erase(project_name);
    }

    int get_project_number() {
        return projects_.size();
    }

    void work() override {
        cout << "Я пишу код" << endl;
    }

private:
    set<string> projects_;
};

class manager : public worker {

public:
    manager(string name, int salary, int id, string department_name, int employees_number) : worker(name, salary, id), department_name_(department_name), employees_number_(employees_number) {}

    int get_employees_number() {
        return employees_number_;
    }

    void set_department_name(string name) {
        department_name_ = name;
    }

    string get_department_name() {
        return department_name_;
    }

    void work() override {
        cout << "Я руковожу" << endl;
    }

private:
    string department_name_;
    int employees_number_;
};

int main() {
    setlocale(LC_ALL, "ru");

    programmer pr("Иван", 1000, 12356733);

    manager mn("Оля", 2000, 12356741, "Отдел разработки", 10);

    pr.add_project("Калькулятор");

    cout << pr.get_project_number() << endl;

    cout << mn.get_department_name() << endl;

    mn.work();

    pr.work();
}