#include <iostream>
#include <fstream>
#include <string>
#include <list>
using namespace std;

class Hospital {
public:
    string doctor_name;
    string patient_name;
    string patient_diagnos;
    int num_palata;

    Hospital() {
        doctor_name = patient_name = patient_diagnos = num_palata = 0;
    }

    Hospital(string doctor_name, string patient_name, string patient_diagnos, int num_palata) {
        this->doctor_name = doctor_name;
        this->patient_name = patient_name;
        this->patient_diagnos = patient_diagnos;
        this->num_palata = num_palata;
    }

    void Print() {
        cout << "doctor_name: " << doctor_name << "\tpatient_name: " << patient_name << "\tpatient_diagnos: " << patient_diagnos << "\tnum_palata: " << num_palata << endl;
    }
    friend ostream& operator << (ostream& f, const Hospital& i)
    {
        return f << "doctor_name: " << i.doctor_name << "\tpatient_name: " << i.patient_name << "\tpatient_diagnos: " << i.patient_diagnos << "\tnum_palata: " << i.num_palata;
    }
private:
    static void readStr(string& s, istream& f)
    {
        size_t l;
        f.read((char*)&l, sizeof(size_t));
        char* str = new char[l + 1];
        f.read(str, l);
        str[l] = 0;
        s = str;
        delete[] str;
    }
};

static void SortByPatientName(list<Hospital>& list) {
    list.sort([](Hospital& l1, Hospital& l2) { return l1.patient_name < l2.patient_name; });
}
void Write(string path) {
    string doctor_name, patient_name, patient_diagnos, num_palata;
    //cin >> doctor_name;
    //cin >> patient_name;
    //cin >> patient_diagnos;
    //cin >> num_palata;

    Hospital bf("d", "4", "4", 4);
    //bf.Print();

    ofstream fout;
    fout.open(path, ofstream::app);

    if (!fout.is_open())
    {
        cout << "Error open!" << endl;
    }
    else {
        fout.write((char*)&bf, sizeof(Hospital));
    }
    fout.close();
}
void Read(string path) {
    list<Hospital> l;

    ifstream fin;
    fin.open(path);

    if (!fin.is_open())
    {
        cout << "Error open!" << endl;
    }
    else {
        Hospital b;

        while (fin.read((char*)&b, sizeof(Hospital)))
        {
            l.push_back(b);
        }
        for (auto i : l)
            i.Print();
        //SortByPatientName(l);
        //cout << endl;
        //for (auto i : l)
        //    i.Print();
    }
    fin.close();
}
int main()
{
    string path = "text.txt";
    Write(path);
    cout << "12";

    Read(path);

    int log;
    cout << "12";

    cin >> log;

    cout << "12";

    return 0;
}