student.h

#pragma once
#include "human.h"

using namespace std;

class Student : virtual public Human {
protected:
    unsigned id;
    int vstup;
public:
    Student() : id(), vstup() {}
    Student(string na1, string su1, int d1, unsigned i, int v) :Human(na1, su1, d1), id(i), vstup(v) {}
    Student(const Student& s) :Human(s), id(s.id), vstup(s.vstup) {}

    friend ostream& operator<<(ostream& out, const Student& s) {
        out << (Human&)s << "\t" << "ID Card:" << s.id << "\t" << "Data of vstupu:" << s.vstup << endl;
        return out;
    }
    friend istream& operator>>(istream& in, Student& s) {
        in >> (Human&)s;
        in >> s.id;
        in >> s.vstup;
        return in;
    }
};