#include<iostream>
using namespace std;
class Student
{
private:
	char* nume;
	int varsta;
	float medie;
public:
	//constructori
	Student()
	{
		this->nume = NULL;
		this->varsta = 0;
		this->medie = 0;
		cout << "Apel constructor fara parametrii" << endl;;
	}
	Student(char* nume, int varsta = 19, float medie = 0)
	{
		this->nume = new char[strlen(nume) + 1];
		strcpy(this->nume, nume);
		this->varsta = varsta;
		this->medie = medie;
		cout << "Apel constructor cu parametrii" << endl;
	}

	//accesori pentru atribute constante
	int getVarsta()
	{
		return this->varsta;
	}

	void setVarsta(int varsta)
	{
		if(varsta >= 18)
		this->varsta = varsta;
	}

	void afisare()
	{
		if(this->nume !=NULL)
		cout << "Nume student: " << this->nume << endl;
		cout << "Varsta: " << this->varsta << endl;
		cout << "Medie: " << this->medie << endl;

	}

	void afisare_this()
	{
		cout << this << endl;
	}

	int comparare(Student s)
	{
		if (this->medie > s.medie)
			return 1;
		else if (this->medie == s.medie)
			return 0;
		return -1;
	}
};

//transfer prin referinta
int comparareVarsta(Student& s1, Student &s2)
{
	if (s1.getVarsta() > s2.getVarsta())
		return 1;
	else if (s1.getVarsta() == s2.getVarsta())
		return 0;
	return -1;
}

int main()
{
	Student s;
	s.afisare();
	Student vs[5];
	Student *ps = new Student();

	char nume[] = "Gigel";
	Student s2(nume, 19, 10);
	s2.setVarsta(23);
	s2.afisare_this();
	s2.afisare();
	Student s3(nume, 21);
	cout << s2.comparare(s3) << endl;
	cout << "Rezultat comparare varsta: " << comparareVarsta(s2, s3) << endl;
	Student s4(nume);
	s4.afisare();
	cout << s4.getVarsta();
}