stack.h

包括图、二叉树、链表

#include "Polynomial.h"
const	int maxstack = 10;   //  small value for testing
typedef Polynomial Stack_entry;
class Stack 
{
public:
	Stack();
	bool empty() const;
	int size() const;
	bool full()const;
	void clear();
	Error_code pop();
	Error_code top(Stack_entry &item) const;
	Error_code push(const Stack_entry &item);
private:
	int count;
	Stack_entry entry[maxstack];
};