#include<iostream>
#include<list>
#include <iostream>
#include <algorithm>
using namespace std;

class People {
public:
    string surName;
    string cityName;
    string adress;

};

void Input(People* l, int n) {
    string surName, cityName, adress;


    // В циклі вводимо дані n разів
    for (int i = 0; i < n; i++) {
        //cout << "Введiть iм'я: ";
        surName = "name";

        //cout << "Введiть посаду: ";


        //cityName = "Kiyv" + i;

        //cout << "Введiть рiк працевлаштування: ";
        //adress = "x";


        //People* e = new People(surName, cityName, adress); // передаємо дані в конструктор
        l[i].surName = surName;

        cout << endl;
    }
    l[0].cityName = "a";
    l[1].cityName = "v";
    l[2].cityName = "a";
    l[3].cityName = "x";

    l[0].adress = "b";
    l[1].adress = "d";
    l[2].adress = "d";
    l[3].adress = "d";
}

// Виводимо весь список
void GetList(People* l, int n) {
    for (size_t i = 0; i < n; i++)
    {
        cout << "SurName: " << l[i].surName << "\t" << "City: " << l[i].cityName << "\t" << "Adress: " << l[i].adress << endl;
    }
    //for (auto i : l)
    //    cout << "SurName: " << i.surName << "\t" << "City: " << i.cityName << "\t" << "Adress: " << i.adress << endl;
}
void GetListParametr(People* l, int n) {
    int count = 1;

    for (int i = 0; i < n; i++) {
        for (int j = i ; j < n; j++) {
            if ((l[i].cityName == l[j +1].cityName) || (l[i].cityName == l[j - 1].cityName)) {
                count++;
                cout << l[i].cityName << " ";
                if (count == 2) break;
            }
        }
            //if ((l[i].cityName != l[j].cityName && count <= 2 && l[i].adress == l[j].adress))
            //{
            //    count++;
            //    cout << "SurName: " << l[i].surName << "\t" << "City: " << l[i].cityName << "\t" << "Adress: " << l[i].adress << endl;

            //}
            //if (l[i].cityName != l[j].cityName && l[i].adress == l[j].adress)
            //{
            //    //cout << "SurName: " << l[i].surName << "\t" << "City: " << l[i].cityName << "\t" << "Adress: " << l[i].adress << endl;
            //    int wasBefore = 0;
            //    for (int k = 0; k < i; k++) {
            //        if ((l[k].cityName != l[i].cityName) && (l[i].adress == l[j].adress)) {
            //            wasBefore += 1; //break;
            //            cout << "SurName: " << l[i].surName << "\t" << "City: " << l[k].cityName << "\t" << "Adress: " << l[i].adress << endl;

            //        }
            //    }
            //    if (wasBefore == 1 || wasBefore == 2 || wasBefore == 3) {
            //        cout << "SurName: " << l[i].surName << "\t" << "City: " << l[i].cityName << "\t" << "Adress: " << l[i].adress << endl;
            //    }
            //    //break;
            //}

    }
    /*for (auto i : l) {
        for (auto j = i.cityName.begin() + 1; j < i.cityName.begin() + 2; j++) {
            if (i.cityName ==  && count <= 2) {
                count++;
                cout << "SurName: " << i.surName << "\t" << "City: " << i.cityName << "\t" << "Adress: " << i.adress << endl;
            }

        }
    }*/
}

void GetListP(People* l, int n) {
    int k = 0;
    bool was = false;
    People* p;
    p = l;
    for (int i = 0; i < n; i++) {
        for (int j = i + 1; j < n+1; j++) {
            if (l[i+1].adress == l[j+1].adress) {
                was = true;

                /*for (int r = 0; r < k; r++)
                {
                    if (l[i].adress == p[r].adress)
                        was = true;
                    if (!was) {
                        p[k].adress = l[k].adress;
                        cout << l[k].adress << "\n";
                        cout << p[k].adress << "\n";
                        k++;
                    }
                    was = false;
                    cout << l[i].cityName << "\t" << l[i].adress << "\n";
                    cout << p[j].cityName << "\t" << p[j].adress << "\n";
                    cout << l[i].cityName << "\t" << l[i].adress << "\n";
                    cout << p[k].cityName << "\t" << p[j].adress << "\n";
                }*/
                //cout << l[i].cityName << "\t" << l[i].adress << "\n";
                //cout << p[j].cityName << "\t" << p[j].adress << "\n";
                if (was) {

                    cout << l[i].cityName << "\t" << l[i].adress << "\n";
                    //cout << p[k].cityName << "\t" << p[j].adress << "\n";

                }
                was = false;
            }
        }
    }
}


int main() {
    setlocale(0, "");
    const int n = 4;
    People l[n];

    Input(l, n);

    GetList(l, n);
    cout << endl;
    //GetListParametr(l, n);
    cout << "\n\n";
    GetListP(l, n);
    return 0;
}