np.h

酒吧管理系统！！有简单基本功能

//Np.h
#ifndef NP_H
#define NP_H

class Np:public Counter
{
public:
    Np(int,double);
	~Np(){};
	void getdailydiscount(double);
	virtual double counting(double) const{return 0.00;};
    virtual void print() const;
 protected:
	double dailydiscount;
};

#endif