#include using namespace std; //Compiler version g++ 6.3.0 /* Print the sum, difference and product of two complex numbers by creating a class named 'Complex' with separate functions for each operation whose real and imaginary parts are entered by the user.*/ //input: real and imaginary part of first and second no respectively class Complex { public : int real, img; void sum(Complex a, Complex b) { Complex sum; sum.real = a.real + b.real; sum.img = a.img + b.img; cout << "\n(" << a.real << "+" << a.img << "i)" << " + (" << b.real << " + " << b.img << "i) = " << sum.real << " + " << sum.img << "i"; } void sub(Complex a, Complex b) { Complex sub; sub.real = a.real - b.real; sub.img = a.img - b.img; cout << "\n(" << a.real << "+" << a.img << "i)" << " - (" << b.real << " + " << b.img << "i) = " << sub.real << " + " << sub.img << "i"; } void prod(Complex a, Complex b) { Complex prod; prod.real = a.real * b.real - a.img * b.img; prod.img = a.real * b.img + b.real * a.img; cout << "\n(" << a.real << "+" << a.img << "i)" << " * (" << b.real << " + " << b.img << "i) = " << prod.real << " + " << prod.img << "i"; } }; int main() { Complex a, b, c; cin >> a.real >> a.img >> b.real >> b.img; c.sum(a, b); c.prod(a, b); c.sub(a, b); }

Complex nos using classes