烟大 oj 2354

#include <iostream>using namespace std;class Complex{public:    Complex(){real=0;imag=0;}    Complex(double r,double i){real=r;imag=i;}    void out(){cout<<"("<<this->real<<","<<this->imag<<"i"<<")";}    Complex operator+(Complex c2){return Complex(real+c2.real,imag+c2.imag);}private:   double real;   double imag;};int main(){    double r1,r2,i1,i2;    cin>>r1>>i1>>r2>>i2;   Complex c1(r1,i1);   Complex c2(r2,i2);   Complex c3=c1+c2;   c3.out();    return 0;}