hitung bilangan kompleks

Analisis
              Input sebuah bilangan asli.
              Output menjadi bilangan kompleks.

 C++

//Program operasi bilangan kompleks
#include<iostream>
#include <stdlib.h>
#include <conio.h>
using namespace std;
struct
{
float r1;
float r2;
float i1;
float i2;
}bil;
int main(int argc, char** argv)
{

 cout<<"bilangan real 1 = "; cin>>bil.r1;
 cout<<"bilangan imajiner 1 = "; cin>>bil.i1;
 cout<<endl<<endl;
 cout<<"bilangan real 2 = "; cin>>bil.r2;
 cout<<"bilangan imajiner 2 = "; cin>>bil.i2;
 cout<<endl<<endl;

cout<<"* PENJUMLAHAN *"<<endl;

cout<<"("<<bil.r1<<"+"<<bil.i1<<"i) "
    <<" + "<<"("<<bil.r2<<"+"<<bil.i2<<"i) = " 
    <<bil.r1 + bil.r2 <<"+"<<bil.i1 + bil.i2<<"i"<<endl;
cout<<endl<<endl;

cout<<"* PENGURANGAN *"<<endl;
cout<<"("<<bil.r1<<"+"<<bil.i1<<"i) "
    <<" - "<<"("<<bil.r2<<"+"<<bil.i2<<"i) = " 
    <<bil.r1 - bil.r2 <<"+"<<bil.i1 - bil.i2<<"i"<<endl;
cout<<endl<<endl;

cout<<"* PERKALIAN *"<<endl;
cout<<"("<<bil.r1<<"+"<<bil.i1<<"i) "
    <<" * "<<"("<<bil.r2<<"+"<<bil.i2<<"i) = " 
    <<bil.r1*bil.r2<<"+"<<bil.r1*bil.i2<<"i"<<" + "
 <<bil.r2*bil.i1<<"i"<<" - "<<bil.i1*bil.i2
 <<" = "<<(bil.r1*bil.r2) - (bil.i1*bil.i2)<<" + "
 <<(bil.r1*bil.i2) + (bil.r2*bil.i1)<<"i"<<
 endl;

}