Calendar

/* Restriction:-Any year after 1980.*/

#include <stdio.h>

#include <stdlib.h>

void main()

{

   char*days[7]={"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};

   char*month1[12]={"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};

   int d_c,l,year,day=0,year2,space;

   printf("Enter the year\n");

   scanf("%d",&year);

   year2=year,d_c=3;

   year=year-1980;

   l=year%4==0?year/4:year/4+1;

   year=year-l;

   year+=(l*2);

   d_c+=(year%7);

   if(d_c>7)

   d_c-=7;

   for(l=1;l<=12;l++)

   {

      printf("\n\t  %s\n",month1[l-1]);

      for(day=0;day<7;day++)

      printf("%s ",days[day]);

      printf("\n");

      space=(d_c-1)*4;

      while(space>0)

      {

         printf(" ");

         space--;

      }

      if(l==1||l==3||l==5||l==7||l==8||l==10||l==12)

        day=31;

      else if(l==4||l==6||l==9||l==11)

        day=30;

      else if(l==2)

      {

         if(year2%(year2%100==0?400:4)==0)

           day=29;

         else

           day=28;

      }

     for(year=1;year<=day;year++)

     {

      if(year/10==0)

       printf(" %d  ",year);

      else

       printf("%d  ",year);

      d_c++;

      if(d_c>7)

      {

        d_c=1;

        printf("\n");

      }

     }

    printf("\n");

   }

   system("pause");

}

Posted in: c codes