Untitled

#include <iostream>


template <typename T>
T add(T a, T b) {
    return a + b;
}

template <typename T>
class Complex {
private:
    T real;
    T imaginary;
public:
    Complex(T r, T i) : real(r), imaginary(i) {}
    
    void display() const {
        if (imaginary < 0) {
            std::cout << real << " - " << -imaginary << "i";
        } else {
            std::cout << real << " + " << imaginary << "i";
        }
    }

   
    Complex<T> operator+(const Complex<T>& other) const {
        return Complex<T>(real + other.real, imaginary + other.imaginary);
    }
};

int main() {
    using namespace std; 
    int num1, num2;
    cout << "Enter two integers: ";
    cin >> num1 >> num2;
    int sumInt = add(num1, num2);
    cout << "Sum of integers: " << sumInt << endl;

    
    double double1, double2;
    cout << "Enter two doubles: ";
    cin >> double1 >> double2;
    double sumDouble = add(double1, double2);
    cout << "Sum of doubles: " << sumDouble << endl;

    
    double real1, imag1, real2, imag2;
    cout << "Enter the real and imaginary parts of the first complex number: ";
    cin >> real1 >> imag1;
    cout << "Enter the real and imaginary parts of the second complex number: ";
    cin >> real2 >> imag2;
    
    Complex<double> complex1(real1, imag1);
    Complex<double> complex2(real2, imag2);
    Complex<double> sumComplex = complex1 + complex2; 

    cout << "Sum of complex numbers: ";
    sumComplex.display();
    cout << endl;

    return 0;
}