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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Complex
  5. {
  6.     private:
  7.       float real;
  8.       float imag;
  9.     public:
  10.        Complex(): 
  11.     	real(0), imag(0){ }
  12.        void input()
  13.        {
  14.            cout << "Enter real and imaginary parts respectively: "<<endl;
  15.            cin >> real;
  16.            cin >> imag;
  17.        }
  18.  
  19.        // Operator overloading
  20.        Complex operator + (Complex c)
  21.        {
  22.            Complex temp;
  23.            temp.real = real + c.real;
  24.            temp.imag = imag + c.imag;
  25.  
  26.            return temp;
  27.        }
  28.  
  29.        Complex operator - (Complex c)
  30.        {
  31.        	Complex temp;
  32.        	temp.real=real-c.real;
  33.        	temp.imag=imag-c.imag;
  34.  
  35.        	return temp;
  36.        }
  37.  
  38.        void output()
  39.        {
  40.            if(imag < 0)
  41.                cout << "Output Complex number: "<< real << imag << "i"<<endl;
  42.            else
  43.                cout << "Output Complex number: " << real << "+" << imag << "i"<<endl;
  44.        }
  45. };
  46.  
  47. int main()
  48. {
  49.     Complex c1, c2, result,resultt;
  50.     c1.input();
  51.     c2.input();
  52.  
  53.     // In case of operator overloading of binary operators in C++ programming, 
  54.     // the object on right hand side of operator is always assumed as argument by compiler.
  55.     result = c1 + c2;
  56.     result.output();
  57.     resultt = c1 - c2;
  58.     resultt.output();
  59.     return 0;
  60. }
Success #stdin #stdout 0.01s 5516KB
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Enter real and imaginary parts respectively: 
Enter real and imaginary parts respectively: 
Output Complex number: 16+16i
Output Complex number: 2-2i
https://ideone.com/8dped0
language:
C++ (gcc 8.3)
created:
326 days ago
visibility:
public

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