. . .. . .
public:
Complex(){real=0;imag=0;}
Complex(double r,double i):real(r),imag(i){}
friend Complex operator+(Complex &c1,Complex &c2);
void display();
};
void Complex::display()
{
cout<<real<<"+"<<imag<<"i"<<endl;
}
Complex operator+(Complex &c1,Complex &c2)
{
return Complex(c1.real+c2.real,c1.imag+c2.imag);
}
int main()
{
Complex c1(3,4);
Complex c2(4,2.3);
Complex c3;
c3=c1+c2;
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