#include <iostream>

 using namespace std;

/*
 TO DO Convert the below code using templates
 so that it
 works with any type and not just int

*/

class MyVector
{
	public:
		int* ptr ;
		int capacity ;
		int noOfElements ;
    MyVector( int sizeP = 10 )
      {
         ptr =  new int[sizeP] ;
         capacity = sizeP ;
         noOfElements = 0 ;
	  }

   void print()
      {
         for( int i1=0 ; i1 < noOfElements ; i1++ )
           {
              cout << ptr[i1] << " " ;
		   }
         cout << endl ;
	  }

    ~MyVector()
    {
      delete[]  ptr ;
	}
    void push_back( const int& obj1 )
    {
       if ( noOfElements < capacity )
         {
           ptr[ noOfElements ] = obj1 ;
           noOfElements++ ;
		 }
      else
         {
			  int* ptr1 = new int[ noOfElements*2 ]  ;
              for( int i1=0 ; i1 < noOfElements ; i1++ )
                {
                    ptr1[i1] = ptr[i1] ;
				} //
			 delete[] ptr ;
		     ptr = ptr1 ;

		     ptr[ noOfElements ] = obj1 ;
             noOfElements++ ;
		 }
	}
};



int main()
{
/*   MyVector vectorObj ;
   vectorObj.push_back( 1 ) ;
   vectorObj.push_back( 2 ) ;
   vectorObj.print() ;
*/


   MyVector<int> vectorObj ;
   vectorObj.push_back( 1 ) ;
   vectorObj.push_back( 2 ) ;
   vectorObj.print() ;

   MyVector<string> vectorObj1 ;
   vectorObj1.push_back( "one" ) ;
   vectorObj1.push_back( "two" ) ;
   vectorObj1.print() ;



}