cplus

#include <iostream>
    using namespace std;
    class Complex
    {
        private:
        float real;
        float imag;
        public:
        Complex():real(0), imag(0){}
        Complex operator ()(float re, float im)
        {
            real += re;
            imag += im;
            return *this;
        }
        Complex operator() (float re)
        {
            real += re;
            return *this;
        }
        void display()
        {
            cout << "(" << real << "," << imag << ")" << endl;
        }
    };
    int main()
    {
        Complex c1, c2;
        c2 = c1(3.2, 5.3);
        c1(6.5, 2.7);
        c2(1.9);
        cout << "c2=";c1.display();
        cout << "c2=";c2.display();
        return 0;
    }