gan920hp的专栏

#include  using namespace std; class Complex  {public:    Complex(){real=0;imag=0;}    Complex(double r,double i){real=r;imag=i;}    double get_real();    double get_imag();    void display();

#include  using namespace std; class Complex  {public:    Complex(){real=0;imag=0;}    Complex(double r,double i){real=r;imag=i;}    Complex operator+(Complex &c2);    Complex operator-(Complex

#include using namespace std; class Matrix  {public:    Matrix();    friend Matrix operator+(Matrix &,Matrix &);    friend ostream& operator    friend istream& operator>>(istream&,Matrix&);  

#include using namespace std; class Complex  {public:    Complex(){real=0;imag=0;}    Complex(double r){real=r;imag=0;}    Complex(double r,double i){real=r;imag=i;}    operator double(){retur