#include <iostream>
#include <vector>
using namespace std;

class student
{
	public:
	 int id  ;
	 student( int idP )
	  {
		  id = idP ;
		  cout << "Constructor called for  ;" << id << endl ;
	  }
	 student( const student& obj1 )
	  {
		  id = obj1.id ;
		  cout << "Copy Constructor called for  ;" << id << endl ;
	  }

	 ~student(  )
	  {
		  cout << "Destructor called for  ;" << id << endl ;
	  }

};



int main()
{

   // create a vector to store int
   vector<student> vec;
   int i1;
   student studentObj( 1 ) ;


   // display the original size of vec
   cout << "vector size = " << vec.size() << endl;


   vec.push_back( studentObj );


   // display extended size of vec
   cout << "extended vector size = " << vec.size() << endl;


   cout << "value of vec [" << 0 << "] = " << vec[0].id << endl;



   return 0;
}