Strategy.h

#include "Puzzle.h"

#ifndef STRATEGY_H
#define STRATEGY_H

class Strategy {

  private:
    
    Strategy();

    Strategy(const Strategy &s);

    Strategy& operator=(const Strategy &s);

  protected:

    Puzzle *p;

    size_t depth;

  public:

    size_t calls;

    Strategy(const Puzzle &p) : depth(0), calls(0) { this->p = new Puzzle(p); }

    virtual ~Strategy();

    virtual void setStartCell(size_t &x, size_t &y) = 0;

    virtual bool solve();

    void printPuzzle();
};

#endif

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