5) Workers

#include <iostream>
#include <vector>
using namespace std;

class Worker{
public:
    // Конструктор
    Worker(string LastName, string Initials, string Post, int Year, int Pay){
        set_last_name(LastName);
        set_initials(Initials);
        set_post(Post);
        set_year(Year);
        set_pay(Pay);
     }

    // Сеттеры
    void set_last_name(string last_name){
        LastName = last_name;
    }
    void set_initials(string initials){
        Initials = initials;
    }
    void set_post(string post){
        Post    = post;
    }
    void set_year(int year){
        Year = year;
    }
    void set_pay(int pay){
        Pay = pay;
    }

    // Геттеры
    string get_last_name(){
        return  LastName;
    }
    string get_initial(){
        return Initials;
    }
    string get_post(){
        return Post;
    }
    int get_year(){
        return Year;
    }
    int get_pay(){
        return Pay;
    }

    // other
    void print_all_data(){
        cout << LastName << " " << Initials << " " << Post << " "
               << " " << Year << " " << Pay << endl;
    }

private:
    string  LastName,
            Initials,
            Post;
    int     Year,
            Pay;
};

void show_stage_more(vector <Worker> Workers, int stage, int current_year){
    int year = current_year - stage ;
    cout << "\n\nStage more then  " << stage << endl;
    int size = Workers.size();
    for (int i = 0;i<size; i++){
        if(Workers[i].get_year() < year){
            Workers[i].print_all_data();
        }
    }
}

void show_pay_more(vector <Worker> Workers, int pay){
    cout << "\n\nPay more then  " << pay << endl;
    int size = Workers.size();
    for (int i = 0;i<size; i++){
        if(Workers[i].get_pay() > pay){
            Workers[i].print_all_data();
        }
    }
}

void show_post(vector <Worker> Workers, string post){
    cout << "\n\nWorkers on post: " << post << endl;
    int size = Workers.size();
    for (int i = 0;i<size; i++){
        if(Workers[i].get_post() ==  post){
            Workers[i].print_all_data();
        }
    }
}



int main() {
    vector <Worker> Workers;

    Workers.push_back(Worker("Ivanov","I.I","programmer",2000,15000));
    Workers.push_back(Worker("Petrov","P.P","designer",2010,20000));
    Workers.push_back(Worker("Pushkin","A.I","engineer",2004,25000));
    Workers.push_back(Worker("Kalinin","O.V","programmer",2000,35000));
    Workers.push_back(Worker("Makarova","R.D","engineer",2016,15000));
    Workers.push_back(Worker("Abramov","E.P","engineer",2005,20000));
    Workers.push_back(Worker("Maksimov","V.A","programmer",2011,40000));
    Workers.push_back(Worker("Muhina","O.A","engineer",2007,42000));

    show_stage_more(Workers, 5, 2017);
    show_pay_more(Workers, 15000);
    show_post(Workers, "engineer");
    return 0;
}