#ifndef STACKP
#define STACKP

typedef int ItemT;

struct NodeT {
    ItemT data;
    NodeT * next;
};

class StackT {
   public:
       StackT();

       StackT(const StackT & other);
       ~StackT(void);
       StackT & operator =(const StackT & other);

       void Push(ItemT);

       ItemT Pop(void);
       ItemT Top(void) const;

       int Size(void) const;
       bool IsEmpty(void) const;
       bool IsFull(void) const { return false;};

   private:

       void Copy(const StackT & other);
       void Delete(void);
       NodeT * top;
       int size;
};

#endif