#ifndef STACK_H
#define STACK_H
#include <cstddef>   //for the data type size_t

class stack {
	//Declarations for the data members:
	static constexpr size_t n {100}; //maximum # of values that can be held
	int a[n];
	int *sp;          //The "stack pointer" points to the first currently
			  //unused element of the array.

public:
	//Declarations for the member functions:
	stack();          //constructor
	~stack();	  //destructor

	void push(int i); //Insert the int i into the stack.
	int pop();        //Remove the most recently inserted int from the stack
};
#endif