C++ Codes
C++ > Miscellaneous sample source codes

At input side you simply to give year and then no. of months

At input side you simply to give year and then no. of months
for finding calendar of that particular month

Code :
Code :
#include<stdio.h>
#include<conio.h>
#include<dos.h>
char
month[12][10]={"JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT"
,"NOV","DEC"};
char week[7][10]={"MON","TUE","WED","THU","FRI","SAT","SUN"};
long int days=0,year,mon,lp,i,dd,tab,n;

void main()
{ int leap(int);
  clrscr();
  printf("Enter a year : ");
  scanf("%d",&year);
  printf("Enter a month (1-12) : ");
  scanf("%d",&mon);
  if(year>1900)
  { for(i=1900;i<year;i++)
    { lp=leap(i);
      if(lp==1)
      days+=366;
      else
      days+=365;
    }
  }
  else if(year<1900)
  { for(i=1900;i>=year;i--)
    { lp=leap(i);
      if(lp==1)
      days+=366;
      else
      days+=365;
    }
  }
  i=1;
  while(i<mon)
  { if(i==1 || i==3 || i==5 || i==7 || i==8 || i==10 || i==12)
    { dd=31;
      if(year>=1900)
      days+=dd;
      else
      days-=dd;
    }
    else if(i==4 || i==6 || i==9 || i==11)
    { dd=30;
      if(year>=1900)
      days+=dd;
      else
      days-=dd;
    }
    else
    { lp=leap(year);
      if(lp==1)
      { dd=29;
	if(year>=1900)
	days+=dd;
	else
	days-=dd;
      }
      else
      { dd=28;
	if(year>=1900)
	days+=dd;
	else
	days-=dd;
      }
    }
    i++;
  }
  clrscr();
  for(i=1;i<70;i++)
  printf("_");
  for(i=1;i<5;i++)
  printf("
");
  for(i=1;i<5;i++)
  printf("	");
  printf("%d
",year);
  for(i=1;i<3;i++)
  printf("
");
  for(i=1;i<5;i++)
  printf("	");
  printf("%s
",month[mon-1]);
  for(i=1;i<70;i++)
  printf("_");
  printf("

");
  for(i=0;i<7;i++)
  printf("	%s",week[i]);
  printf("

	");
  tab=days%7;
  if(mon==1 || mon==3 || mon==5 || mon==7 || mon==8 || mon==10 ||
mon==12)
  { dd=31; }
  else if(mon==4 || mon==6 || mon==9 || mon==11)
  { dd=30; }
  else
  { lp=leap(year);
    if(lp==1)
    { dd=29; }
    else
    { dd=28; }
  }
  n=1;
  for(i=1;i<=7;i++)
  { if(i<=tab)
    { printf("	"); }
    else
    { printf("%2d	",n);
      n++;
    }
  }
  printf("

	");
  while(n<=dd)
  { i=1;
    while(i<=7)
    { if(n<=dd)
      { printf("%2d	",n);
	n++;i++;
      }
      else
      break;
    }
    printf("

	");
  }
  printf("
");
  for(i=1;i<70;i++)
  printf("_");
  getch();
}

int leap(int y)
{ if(y%4==0)
  { if(y%100==0)
    { if(y%400==0)
      return 1;
      else
      return 0;
    }
    return 1;
  }
  else
  return 0;
}