array

#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;


    for (int i = 0; i < n; i++) {
        cout << "Введiть прiзвище: ";
        cin >> surName;

        cout << "Введiть мiсто: ";
        cin >> cityName;

        cout << "Введiть адресу: ";
        cin >> adress;

        l[i].surName = surName;
        l[i].cityName = cityName;
        l[i].adress = adress;

        cout << endl;
    }
}

// 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;
}

void GetListParameters(People* l, int n) {
    int k = 1;

    for (int i = 0; i < n; i++)
        for (int j = i + 1; j < n; j++)
            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;
                k++;
                if (k == 2)break;
            }
}


int main() {
    setlocale(0, "");
    const int n = 3;
    People l[n];

    Input(l, n);

    GetList(l, n);
    cout << endl;
    cout << "\n\n";
    GetListParameters(l, n);
    return 0;
}