OJ19

#include <iostream>

#include <iomanip>

using namespace std;

class Complex

{

public:

    Complex();

    Complex(double r,double i);

    double get_real();

    double get_imag();

    void display();

private:

    double real;

    double imag;

};
double Complex:: get_real()
{
    return real;
}
double Complex ::get_imag()
{
    return imag;
}

Complex::Complex()
{real=0;
imag=0;
}
Complex::Complex(double r,double i)
{
   real=r;
   imag=i;

}

void Complex::display()
{
    cout<<"("<<real<<","<<imag<<"i)"<<endl;

}

Complex operator+(Complex &c1,Complex &c2)
{
    return  Complex(c1.get_real()+c2.get_real(),c1.get_imag()+c2.get_imag());

}

//主函数已给定如下，提交时不需要包含，会自动添加到程序尾部

 

/* C++代码 */

 

int main()

{

    double real,imag;

    cin>>real>>imag;

    Complex c1(real,imag);

    cin>>real>>imag;

    Complex c2(real,imag);

    Complex c3=c1+c2;

    cout<<setiosflags(ios::fixed);

    cout<<setprecision(2);

    c3.display();

    return 0;

}