//
// File cStack.h
//

// Interface

template <class T>
class cStack {
private:
	T data[100];
	int size;
public:
	cStack();
	~cStack();
	void clear();
	bool isEmpty();
	void push(T elem);
	T pop();
	T& top();
};

//Implementation

template <class T>
cStack<T>::cStack()
{
	size = 0;
}

template <class T>
cStack<T>::~cStack()
{
	size = 0;
}

template <class T>
void cStack<T>::clear()
{
	size = 0;
}

template <class T>
bool cStack<T>::isEmpty()
{
	return size == 0;
}

template <class T>
void cStack<T>::push(T elem)
{
	if(size < 100)
		data[size++] = elem;
}

template <class T>
T cStack<T>::pop()
{
	return data[--size];
}

template <class T>
T& cStack<T>::top()
{
	return data[size-1];
}