using namespace std;
#define SIZE 10
class stack
{
int stck[SIZE];
int topOfStack;
public:
stack(); // constructor
~stack(); // destructor
void push(int i);
int pop();
};
// constructor
stack::stack()
{
topOfStack = 0;
cout << "Stack Initialized\n";
}
// destructor
stack::~stack()
{
cout << "Stack Destroyed\n";
}
void stack::push(int i)
{
if( topOfStack == SIZE )
{
cout << "Stack is full.\n";
return;
}
stck[ topOfStack ] = i;
topOfStack++;
}
int stack::pop()
{
if( topOfStack == 0 )
{
cout << "Stack underflow.\n";
return 0;
}
topOfStack--;
return stck[ topOfStack ];
}
int main()
{
stack a, b;
a.push(1);
b.push(2);
a.push(3);
b.push(4);
cout << a.pop() << " ";
cout << a.pop() << " ";
cout << b.pop() << " ";
cout << b.pop() << endl;
return 0;
}
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