# C++习题 复数类--重载运算符2+

C++习题 复数类--重载运算符2+

``````3 4 5 -10
3 4 5
5 3 4
``````

``````c1+c2=(8.00,-6.00i)
c1+i=(8.00,4.00i)
i+c1=(8.00,4.00i)
``````

``````#include<stdio.h>
int main()
{
float a,b,c,d,e,f,g,h,i,j;
scanf("%f %f",&a,&b);
scanf("%f %f",&c,&d);
scanf("%f %f %f",&e,&f,&g);
scanf("%f %f %f",&h,&i,&j);
printf("c1+c2=(%.2f,%.2fi)\n",a+c,b+d);
printf("c1+i=(%.2f,%.2fi)\n",e+g,f);
printf("i+c1=(%.2f,%.2fi)\n",h+i,j);
}``````

``````
#include <iostream>
#include <iomanip>
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+(int &i);
friend Complex operator+(int&,Complex &);
void display();
private:
double real;
double imag;
};
Complex Complex::operator+(Complex &c)
{
return Complex(real+c.real,imag+c.imag);
}

Complex Complex::operator+(int &i)
{
return Complex(real+i,imag);
}

void Complex::display()
{
cout<<"("<<real<<","<<imag<<"i)"<<endl;
}

Complex operator+(int &i,Complex &c)
{
return Complex(i+c.real,c.imag);
}

int main()
{
double real,imag;
cin>>real>>imag;
Complex c1(real,imag);
cin>>real>>imag;
Complex c2(real,imag);
cout<<setiosflags(ios::fixed);
cout<<setprecision(2);
Complex c3=c1+c2;
cout<<"c1+c2=";
c3.display();
int i;
cin>>real>>imag;
cin>>i;
c3=Complex(real,imag)+i;
cout<<"c1+i=";
c3.display();
cin>>i;
cin>>real>>imag;
c1=Complex(real,imag);
c3=i+c1;
cout<<"i+c1=";
c3.display();
return 0;
}
``````