c++时间 作业

#include <iostream>
using namespace std;
class Time
{
private:
    int h, m, s;

public:
    // 构造函数
    Time(int hours = 0, int minutes = 0, int seconds = 0) : h(hours), m(minutes), s(seconds) {}

    // 重载加法运算符
    Time operator+(const Time &other) const
    {
        Time result;
        result.s = s + other.s;
        result.m = m + other.m + result.s / 60;
        result.h = h + other.h + result.m / 60;
        result.s %= 60;
        result.m %= 60;
        return result;
    }

    // 重载减法运算符
    Time operator-(const Time &other) const
    {
        Time result;
        result.s = s - other.s;
        result.m = m - other.m;
        result.h = h - other.h;

        // 处理借位
        if (result.s < 0)
        {
            result.s += 60;
            result.m--;
        }
        if (result.m < 0)
        {
            result.m += 60;
            result.h--;
        }

        return result;
    }

    // 重载整数加法运算符
    Time operator+(int seconds) const
    {
        Time result = *this;
        result.s += seconds;
        result.m += result.s / 60;
        result.h += result.m / 60;
        result.s %= 60;
        result.m %= 60;
        return result;
    }

    // 重载输出运算符
    friend std::ostream &operator<<(std::ostream &os, const Time &time)
    {
        os << time.h << "时" << time.m << "分" << time.s << "秒";
        return os;
    }

    // 重载输入运算符
    friend std::istream &operator>>(std::istream &is, Time &time)
    {
        is >> time.h >> time.m >> time.s;
        return is;
    }

    // 扩展：通过下标取出时分秒
    int &operator[](int index)
    {
        if (index == 0)
            return h;
        else if (index == 1)
            return m;
        else if (index == 2)
            return s;
        // 可以根据实际需要扩展其他下标的处理
    }
};

int main()
{
    Time t1(1, 30, 45);
    Time t2(0, 45, 30);

    // 使用运算符重载
    Time sum = t1 + t2;
    Time dif = t1 - t2;
    Time read = t1 + 120;

    // 输出结果
    std::cout << "t1: " << t1 << std::endl;
    std::cout << "t2: " << t2 << std::endl;
    std::cout << "Sum: " << sum << std::endl;
    std::cout << "dif: " << dif << std::endl;
    std::cout << "read: " << read << std::endl;

    // 输入时间
    Time t3;
    std::cout << "输入时间 (hh mm ss): ";
    std::cin >> t3;
    std::cout << "t3时间: " << t3 << std::endl;

    // 使用扩展的下标操作符
    std::cout << "ti h: " << t1[0] << std::endl;
    std::cout << "t1 min: " << t1[1] << std::endl;
    std::cout << "t1 s: " << t1[2] << std::endl;

    return 0;
}