#include #include class Complex {private:int real; int imag; public:void input(); void add(Complex,Complex); void add(int); void sub(Complex,Complex); void sub(int); void display(); }; void main() {clrscr(); Complex c1,c2,c3; c1.input(); c1.display(); c2.input(); c2.display(); cout<<"\n\nBEFORE ADDING THE CONSTANT===>\n"; c3.add(c1,c2); c3.display(); cout<<"\n\nAFTER ADDING THE CONSTANT===>\n"; c3.add(10); c3.display(); getch(); c1.input(); c1.display(); cout<<"BEFORE SUBSTRACTING THE CONSTANT\n"; c3.sub(c1,c2); c3.display(); cout<<"AFTER SUBSTRACTING THE CONSTANT\n"; c2.input(); c2.display(); c3.sub(10); c3.display(); getch(); } void Complex::input() {cout<<"\n\nENTER THE REAL NUMBERS\t"; cin>>real; cout<<"\nENTER THE IMAGINARY NUMBERS\t"; cin>>imag; } void Complex::add(Complex S,Complex R) {real=S.real+R.real; imag=S.imag+R.imag; } void Complex::add(int n) {real=real+n; } void Complex::sub(Complex S,Complex R) {real=S.real-R.real; imag=S.imag-R.imag; } void Complex::sub(int n) {real=real-n; } void Complex::display() {cout<<"\n\nTHE REAL NUMBER IS "<