<iostream.h>
template <class T>//類模板
class complex
{
private:
	T x;//復(fù)數(shù)實(shí)部
	T y;//復(fù)數(shù)虛部
public:
	complex(T real,T imag){x=real;y=imag;}//構(gòu)造函數(shù)
	void Add(complex c1,complex c2){x=c1.x+c2.x;y=c1.y+c2.y;	}//加法運(yùn)算
	void Sub(complex c1,complex c2){x=c1.x-c2.x;y=c1.y-c2.y;	}//減法運(yùn)算
	void Mul(complex c1,complex c2){x=c1.x*c2.x;y=c1.y*c2.y;	}//乘法運(yùn)算
	void Div(complex c1,complex c2){x=c1.x/c2.x;y=c1.y/c2.y;	}//除法運(yùn)算
	void display(){cout<<x<<"+"<<y<<"i"<<endl;}//顯示復(fù)數(shù)
    complex operator + (complex c2){
		return complex(x+c2.x,y+c2.y);
	}
	complex operator - (complex c2){
		return complex(x-c2.x,y-c2.y);
	}
	complex operator * (complex c2){
		return complex(x*c2.x,y*c2.y);
	}
	complex operator / (complex c2){
		return complex(x/c2.x,y/c2.y);
	}

};