SMASH---A-Custom-Mini-Operating-System-Simulation/calendar.cpp at master · mads-03/SMASH---A-Custom-Mini-Operating-System-Simulation · GitHub

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#include <iostream>
#include <pthread.h>
#include <unistd.h>
#include <algorithm>
#include <chrono>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <exception>
#include <fstream>
#include <string>
#include <thread>
#include <vector>
#include <ctime>

using namespace std;

int dayNumber(int day, int month, int year)
{
    static int t[] = { 0, 3, 2, 5, 0, 3, 5, 1,
                       4, 6, 2, 4 };
    year -= month < 3;
    return (year + year / 4 - year / 100 +
        year / 400 + t[month - 1] + day) % 7;
}
string getMonthName(int monthNumber)
{
    string months[] = { "January", "February", "March",
                       "April", "May", "June",
                       "July", "August", "September",
                       "October", "November", "December"
    };

    return (months[monthNumber]);
}
int numberOfDays(int monthNumber, int year)
{

    // January
    if (monthNumber == 0)
        return (31);

    // February
    if (monthNumber == 1)
    {
        // If the year is leap then February has
        // 29 days
        if (year % 400 == 0 ||
            (year % 4 == 0 && year % 100 != 0))
            return (29);
        else
            return (28);
    }

    // March
    if (monthNumber == 2)
        return (31);

    // April
    if (monthNumber == 3)
        return (30);

    // May
    if (monthNumber == 4)
        return (31);

    // June
    if (monthNumber == 5)
        return (30);

    // July
    if (monthNumber == 6)
        return (31);

    // August
    if (monthNumber == 7)
        return (31);

    // September
    if (monthNumber == 8)
        return (30);

    // October
    if (monthNumber == 9)
        return (31);

    // November
    if (monthNumber == 10)
        return (30);

    // December
    if (monthNumber == 11)
        return (31);
    return 0;
}
// Function to print the calendar of the given year
void calendar()
{
    int year;
    cout << "Enter Year:";
    cin >> year;
    cout << "\e[1;32m\tCalandar for " << year << "\n";
    int days;
    int current = dayNumber(1, 1, year);
    for (int i = 0; i < 12; i++)
    {
        days = numberOfDays(i, year);
        cout << "\e[1;31m\n  ------------"<<  getMonthName(i)<<"------------\n\e[0m",

        cout << "\e[1;32m  Sun  Mon  Tue  Wed  Thu  Fri  Sat\n";
        int k;
        for (k = 0; k < current; k++)
            cout << "    ";

        for (int j = 1; j <= days; j++)
        {
            cout << "   ";
            cout << j;
            if (++k > 6)
            {
                k = 0;
                cout << "\n";
            }
        }

        if (k)
            cout << "\n";
        current = k;
    }

}
int main()
{


calendar();

std::cin.get();
std::cin.get();
return 0;
}