and the problem is this:Code:#include <stdio.h>
main()
{
int day_code; /* day_code = 0 means the month starts on Sun
day_code = 1 means the month starts on Mon
day_code = 2 means the month starts on
Tues, etc. */
int days_in_month; /* number of days in month currently
being printed */
int leap_year = 0; /* 1 means leap year; 0 means no leap year */
int day; /* counter for day of month */
int month; /* month = 1 is Jan, month = 2 is Feb, etc. */
int year;
int f;
int d;
int c;
do {
printf( "Enter year: " );
scanf( "%d", &year );
} while ( year < 1776 );
if ((year % 400 == 0) || ((year % 4 == 0) && (year % 100 != 0)))
{
leap_year = 1;
}
printf( "%d", leap_year );
c = year / 100;
d =( year % 100 ) - 1 ;
f = 1 + (( 13 * 11 - 1 ) / 5) + d + ( d / 4 ) + ( c / 4 ) -( 2*c ) ;
day_code = f % 7;
if (leap_year == 1 )
{
day_code=day_code-1;
}
for ( month = 1; month <= 12; month++ ) {
switch ( month ) { /* print name and set days_in_month */
case 1:
printf( "\n\nJanuary" );
days_in_month = 31;
break;
case 2:
printf( "\n\nFebruary" );
if( leap_year == 1 )
{
days_in_month = 29;
}
else if( leap_year ==0 )
{
days_in_month = 28;
}
break;
case 3:
printf( "\n\nMarch" );
days_in_month = 31;
break;
case 4:
printf( "\n\nApril" );
days_in_month = 30;
break;
case 5:
printf( "\n\nMay" );
days_in_month = 31;
break;
case 6:
printf( "\n\nJune" );
days_in_month = 30;
break;
case 7:
printf( "\n\nJuly" );
days_in_month = 31;
break;
case 8:
printf( "\n\nAugust" );
days_in_month = 31;
break;
case 9:
printf( "\n\nSeptember" );
days_in_month = 30;
break;
case 10:
printf( "\n\nOctober" );
days_in_month = 31;
break;
case 11:
printf( "\n\nNovember" );
days_in_month = 30;
break;
case 12:
printf( "\n\nDecember" );
days_in_month = 31;
break;
}
printf( "\n\nSun Mon Tue Wed Thu Fri Sat\n" );
/* advance printer to correct position for first date */
for ( day = 1; day <= 1 + day_code * 5; day++ )
{
printf( " " );
}
/* print the dates for one month */
for ( day = 1; day <= days_in_month; day++ ) {
printf( "%2d", day );
if ( ( day + day_code ) % 7 > 0 ) /* before Sat? */
/* move to next day in same week */
{
printf( " " );
}
else /* skip to next line to start with Sun */
{
printf( "\n " );
}
}
/* set day_code for next month to begin */
day_code = ( day_code + days_in_month ) % 7;
}
}
output for january:
Code:Enter year: 2008
1
January
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
its one day off please help
