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#include <iostream>
#include <iomanip>
using namespace std;
/***********************************************************************
* This will prompt user for month number!
**********************************************************************/
int getMonth()
{
int month;
cout << "Enter a month number: ";
cin >> month;
while (month < 1 or month > 12)
{
cout << "Month must be between 1 and 12." << endl;
cout << "Enter a month number: ";
cin >> month;
}
return month;
}
/********************************************************************
* This function will prompt for year!
**********************************************************************/
int getYear()
{
int year;
cout << "Enter year: ";
cin >> year;
while (year < 1753)
{
cout << "Year must be 1753 or later." << endl;
cout << "Enter year: ";
cin >> year;
}
cout<< endl;
return year;
}
/*****************************************************
* give month their names!
******************************************************/
void monthset(int month, int year)
{
if (month == 1)
cout << "January, " << year << endl;
if (month == 2)
cout << "February, " << year << endl;
if (month == 3)
cout << "March, " << year << endl;
if (month == 4)
cout << "April, " << year << endl;
if (month == 5)
cout << "May, " << year << endl;
if (month == 6)
cout << "June, " << year << endl;
if (month == 7)
cout << "July, " << year << endl;
if (month == 8)
cout << "August, " << year << endl;
if (month == 9)
cout << "September, " << year << endl;
if (month == 10)
cout << "October, " << year << endl;
if (month == 11)
cout << "November, " << year << endl;
if (month == 12)
cout << "December, " << year << endl;
}
/******************************************************
* compute the days!
*****************************************************/
int computeDays(int month, int year)
{
bool isLeapYear =
(year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
int days31 = 31;
int days30 = 30;
{
if (month == 1)
return days31;
if (month == 2 and isLeapYear)
return 29;
else
return 28;
if (month = 3)
return days31;
if (month == 4)
return days30;
if (month == 5)
return 31
if (month == 6)
return 30;
if (month == 7)
return 31;
if (month == 8)
return 31;
if (month == 9)
return 30;
if (month == 10)
if (month == 11)
return 30;
else
if (month == 12)
return 31;
}
}
/**********************************************************
* lets make it pretty with display!
*********************************************************/
void display(int month, int days)
{
cout << " Su Mo Tu We Th Fr Sa" << endl;
int pos = 1;
month = (month +0)%7;
for (int s = 0; s < month; s++, pos++)
{
cout << " ";
}
for (int j = 1; j <= days; j++, pos++)
{
if (pos%8==0)
{
pos = 1;
cout << endl;
}
cout << setw(4) << j;
}
cout << endl;
}
/**********************************************************************
* Main Function will output everything!
***********************************************************************/
int main()
{
// Get Month
int month = getMonth();
// Get Year
int year = getYear();
// Get Offset
monthset(month, year);
// Get days
int days = computeDays(month, year);
// Get display
display (month, days);
return 0;
}
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