application.h

8皇后

#ifndef APPLICATION_H
#define APPLICATION_H

#include "Position.h"
#include <iostream>
using namespace std;

class Application
{
	friend ostream& operator<<(ostream& stream, Application& app);
public:
	Position generateInitialState();
	bool valid(const Position& pos);
	void confirmDanger(int row, int column);
	void cancelDanger(int row, int column);
	void record(const Position& pos);
	bool pAvalid(int r, int c);
	bool done();
	void undo(const Position& pos);
	void over();
	void print();

	class Iterator
	{
	public:
		Iterator();
		Iterator(Position& pos);
		Position operator++(int);
		
		
		
		bool atEnd();
	protected:
		void* fieldPtr;
	};
};

#endif