main.cpp

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#include<iostream.h>
class person
{
// * * 1 * *
	
public:
	person() {cout << "person class constructor" << endl;}
	~person() {cout << "person class constructor" << endl;}

};
// * * 2 * *

{
	char *departmert;
	int level;
public:
	student() 
	{cout << "student class constructor" << endl;}
// * * 3 * *

	{cout << "student class constructor" << endl;}
};
// * * 4 * *

{
	char *major;
	float salary;
public:
	teacher() {cout << "teacher class constructor" << endl;}
	~teacher() {cout << "teacher class constructor" << endl;}
};
void main()
{
	student s1;
	teacher t1;
}