Лабораторные работы С++ (для ИВТ) / Готовые лабы С++ / Лаба3 / Laba 3 (7)

#include <iostream>
#include <windows.h>
using namespace std;

class Time {
private:
    int hours, minutes, seconds;
    
    void normalize() {
        if (seconds >= 60) {
            minutes += seconds / 60;
            seconds %= 60;
        } else if (seconds < 0) {
            minutes -= (-seconds) / 60 + 1;
            seconds = 60 - ((-seconds) % 60);
        }
        
        if (minutes >= 60) {
            hours += minutes / 60;
            minutes %= 60;
        } else if (minutes < 0) {
            hours -= (-minutes) / 60 + 1;
            minutes = 60 - ((-minutes) % 60);
        }
        
        if (hours >= 24) {
            hours %= 24;
        } else if (hours < 0) {
            hours = 24 - ((-hours) % 24);
        }
    }
    
public:
    Time(int h = 0, int m = 0, int s = 0) : hours(h), minutes(m), seconds(s) {
        normalize();
    }
    
    // Сложение времени и секунд
    Time operator+(int sec) const {
        Time result = *this;
        result.seconds += sec;
        result.normalize();
        return result;
    }
    
    // Вычитание секунд из времени
    Time operator-(int sec) const {
        Time result = *this;
        result.seconds -= sec;
        result.normalize();
        return result;
    }
    
    // Сложение двух моментов времени
    Time operator+(const Time& other) const {
        Time result;
        result.hours = hours + other.hours;
        result.minutes = minutes + other.minutes;
        result.seconds = seconds + other.seconds;
        result.normalize();
        return result;
    }
    
    // Вычитание двух моментов времени
    Time operator-(const Time& other) const {
        Time result;
        result.hours = hours - other.hours;
        result.minutes = minutes - other.minutes;
        result.seconds = seconds - other.seconds;
        result.normalize();
        return result;
    }
    
    // Разность в секундах между двумя моментами времени (%)
    int operator%(const Time& other) const {
        int totalSeconds1 = hours * 3600 + minutes * 60 + seconds;
        int totalSeconds2 = other.hours * 3600 + other.minutes * 60 + other.seconds;
        
        return abs(totalSeconds1 - totalSeconds2);
    }
    
    void print() const {
        cout << hours << ":" << minutes << ":" << seconds << endl;
    }
    
    friend ostream& operator<<(ostream& os, const Time& t);
};

ostream& operator<<(ostream& os, const Time& t) {
    os << t.hours << ":" << t.minutes << ":" << t.seconds;
    return os;
}

int main() {
    SetConsoleOutputCP(65001);
    
    cout << "=== Задача 3.7 - Время ===" << endl;
    
    Time t1(10, 30, 45);
    Time t2(2, 45, 15);
    
    cout << "Время t1: " << t1 << endl;
    cout << "Время t2: " << t2 << endl;
    
    Time t3 = t1 + 3600; // +1 час
    cout << "t1 + 3600 секунд: " << t3 << endl;
    
    Time t4 = t1 - 7200; // -2 часа
    cout << "t1 - 7200 секунд: " << t4 << endl;
    
    Time t5 = t1 + t2;
    cout << "t1 + t2: " << t5 << endl;
    
    Time t6 = t1 - t2;
    cout << "t1 - t2: " << t6 << endl;
    
    int secondsBetween = t1 % t2;
    cout << "Разница между t1 и t2: " << secondsBetween << " секунд" << endl;
    
    // Проверка перехода через 24 часа
    Time t7(23, 59, 59);
    Time t8 = t7 + 2;
    cout << "23:59:59 + 2 секунды: " << t8 << endl;
    
    return 0;
}