122211

#include <iostream>
#include <string>
#include <vector>

using namespace std;

class Kola {
public:
    // "S", "M", "L"
    // "small", "medium", "large"
    string size;
    int number;

    Kola() {}

    Kola(string s, int n) {
        size = s;
        number = n;
    }
};

class ParkingSpace {
private:
    string size;
    bool taken;
    int number;

public:
    friend class Parking;

    ParkingSpace() {

    }

    ParkingSpace(string s) {
        size = s;
        taken = false;
    }

    // int/string/void?     function1           ()              {}
    // return type          name            parameters          body
    vector<int> funkci1() {
        return { 0,0,0 };
    }

    void operator+(Kola k) {
        if (size == k.size) {
            taken = true;
            number = k.number;
        }
    }
};

class Parking {
public:
    vector<ParkingSpace*> parkomesta;

    void totalSpaces() {
        auto small = 0;
        int medium = 0;
        int large = 0;

        for (ParkingSpace* space : parkomesta) {
            if (space->size == "S") small++;
            if (space->size == "M") medium++;
            if (space->size == "L") large++;
        }
        cout << small << "," << medium << "," << large << endl;
    }

    void freeSpaceBySize(string s) {
        int counter = 0;
        // &&
        for (ParkingSpace* space : parkomesta) {
            if (s == space->size && space->taken == false) counter++;
        }

        cout << counter << endl;
    }

    vector<ParkingSpace> function2() {
        vector<ParkingSpace> result;

        for (ParkingSpace* space : parkomesta) {
            if (space->taken == false) result.push_back(*space);
        }
        return result;
    }
};

int main() {
    Kola k;
    k.size = "S";
    k.number = 123456;

    Kola k2("M", 123456);

    ParkingSpace p1("S");
    ParkingSpace p2("M");
    ParkingSpace p3("L");

    Parking p;
    p.parkomesta = { &p1, &p2, &p3, &p2 };
    p.totalSpaces();
    p.freeSpaceBySize("M");

    p2 + k2;
}