// File: twodim.h
//
// A two-dimensional array of int ADT.

class TwoDimArray {

public:

   // Constructors
   TwoDimArray() ;
   TwoDimArray(unsigned int r, unsigned int c) ;

   // Copy Constructor
   TwoDimArray(const TwoDimArray& A) ;
   
   // Destructor
   ~TwoDimArray() ;

   TwoDimArray& operator=(const TwoDimArray& rhs) ;

   void Print() ;

   int& at(unsigned int r, unsigned int c) ;

   int *operator[] (unsigned int r) ; 
   
private:
   unsigned int rows, cols ;
   int *M ;

} ;