#include <iostream>
#include <vector>
#include <algorithm>

using namespace std ;

class student
{
	public:
	 int id  ;
	 student( )
	  {
		  id=0 ;
      }
	 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 ;
	  }

     bool operator==( const student& obj1 ) const
      {
          if ( id == obj1.id )
            return true ;

          return false ;
	  }

};




int main()
{
    student  studentObject1(1)  ;
    student  studentObject2(2)  ;
    vector< student >   vec ;

    student  studentObject3(1)  ;
    vec.push_back( studentObject1 ) ;
    vec.push_back( studentObject2 ) ;

    vector<student>::iterator it1 = find(vec.begin(), vec.end(), studentObject3);
      if ( it1 != vec.end())
      {
          cout << "Found " << endl ;
      }
      else
      {
          cout << "Element "  << " not found." << endl;
      }

    return 0 ;
}