` ``cpp #include using namespace std; class Complex { public: Complex(){real=0;imag=0;} Complex(double r,double i){real=r; imag=i;} Complex operator+(const Complex &c2); Complex operator-(const Complex &c2); Complex operator*(const Complex &c2); Complex operator/(const Complex &c2); void display(); private: double real; double imag; }; //下面定义成员函数 Complex Complex::operator+(const Complex &c2) { return Complex(real+c2.real,imag+c2.imag); } Complex Complex::operator-(const Complex &c2) { return Complex(real-c2.real,imag-c2.imag); } Complex Complex::operator*(const Complex &c2) { return Complex(real*c2.real,imag-c2.imag);
} Complex Complex::operator/(const Complex &c2) { return Complex(real/c2.real,imag/c2.imag); }
void Complex::display() { cout<<" real="<real<<" imag="<imag<<" “<<endl; } //下面定义用于测试的main()函数 int main() { Complex c1(3,4),c2(5,-10),c3; cout<<“c1”; c1.display(); cout<<“c2”; c2.display(); c3=c1+c2; cout<<“c1+c2”; c3.display(); c3=c1-c2; cout<<“c1-c2”; c3.display(); c3=c1c2; cout<<"c1c2”; c3.display(); c3=c1/c2; cout<<“c1/c2”; c3.display(); return 0; }
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