写一段拥有两个复数变量且执行一些简单的算术运算的c语言代码

在 C 语言中，我们可以创建结构体来代表复数，并为其定义加法、减法等运算。这里是一个简单的例子：

#include <stdio.h>
typedef struct {
    double real; // 实部
    double imag; // 虚部
} Complex;

// 定义复数加法函数
Complex addComplex(Complex c1, Complex c2) {
    Complex result;
    result.real = c1.real + c2.real;
    result.imag = c1.imag + c2.imag;
    return result;
}

// 定义复数减法函数
Complex subtractComplex(Complex c1, Complex c2) {
    Complex result;
    result.real = c1.real - c2.real;
    result.imag = c1.imag - c2.imag;
    return result;
}

int main() {
    Complex num1 = {3.0, 4.0}; // 第一个复数 (3+4i)
    Complex num2 = {1.0, 2.0}; // 第二个复数 (1+2i)

    printf("First complex number: (%f, %fi)\n", num1.real, num1.imag);
    printf("Second complex number: (%f, %fi)\n", num2.real, num2.imag);

    Complex sum = addComplex(num1, num2); // 计算两数之和
    Complex diff = subtractComplex(num1, num2); // 计算两数之差

    printf("Sum of the two numbers is: (%f, %fi)\n", sum.real, sum.imag);
    printf("Difference of the two numbers is: (%f, %fi)\n", diff.real, diff.imag);

    return 0;
}