// 编写一个名为 Complex 的类，表示复数。重载加法运算符 + ，使其能够执行两个复数的加法操作。
#include <iostream>
#include <cstring>
#include <cstdlib>

using namespace std;

class Complex
{
private:
    double real, imag; // 实部和虚部

public:
    Complex(double real, double imag) : real(real), imag(imag) {}
    Complex(const Complex &other) : real(other.real), imag(other.imag) {}
    ~Complex() {}

public:
    Complex operator+(const Complex &other)
    {
        return Complex(real + other.real, imag + other.imag);
    }
    void show()
    {
        cout << real << " + " << imag << "i" << endl;
    }
};

int main()
{
    Complex c1(1, 2);
    Complex c2(3, 4);
    Complex c3 = c1 + c2;
    c3.show(); // 4 + 6i
    return 0;
}