#include<bits/stdc++.h>
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)
{
if
(monthNumber == 0)
return
(31);
if
(monthNumber == 1)
{
if
(year % 400 == 0 ||
(year % 4 == 0 && year % 100 != 0))
return
(29);
else
return
(28);
}
if
(monthNumber == 2)
return
(31);
if
(monthNumber == 3)
return
(30);
if
(monthNumber == 4)
return
(31);
if
(monthNumber == 5)
return
(30);
if
(monthNumber == 6)
return
(31);
if
(monthNumber == 7)
return
(31);
if
(monthNumber == 8)
return
(30);
if
(monthNumber == 9)
return
(31);
if
(monthNumber == 10)
return
(30);
if
(monthNumber == 11)
return
(31);
}
void
printCalendar(
int
year)
{
printf
(
" Calendar - %d\n\n"
, year);
int
days;
int
current = dayNumber (1, 1, year);
for
(
int
i = 0; i < 12; i++)
{
days = numberOfDays (i, year);
printf
(
"\n ------------%s-------------\n"
,
getMonthName (i).c_str());
printf
(
" Sun Mon Tue Wed Thu Fri Sat\n"
);
int
k;
for
(k = 0; k < current; k++)
printf
(
" "
);
for
(
int
j = 1; j <= days; j++)
{
printf
(
"%5d"
, j);
if
(++k > 6)
{
k = 0;
printf
(
"\n"
);
}
}
if
(k)
printf
(
"\n"
);
current = k;
}
return
;
}
int
main()
{
int
year = 2016;
printCalendar(year);
return
(0);
}