Deleting the old cal.c file

labs/lab4/cal.c

-#include <stdio.h>
-#include <math.h>
-
-int main()
-{
-
-    int date;
-    int leap = 0;
-    int m1[7] = {1, 3, 5, 7, 8, 10, 12}; 
-
-    scanf("%d", &date);
-    // finding the year
-    int year = date % 10000;
-    
-    // finding the month
-    int month = ((date % 1000000) - year) / 10000;
-
-    // finding the day
-    int day = ((date % 100000000) - month * 10000 - year) / 1000000;
-
-    printf("Day   = %d\n",day);
-    printf("Month = %d\n",month);
-    printf("Year  = %d\n",year);
-
-    // month cannot be bigger than 12
-    if(month > 12)
-    {
-        printf("Date not valid\n");
-        return 0;
-    }
-
-    // checking the months that has 31 days and 30 days and decide if it is valid
-    for(int a = 0; a < 7; a++)
-    {
-        if(month == m1[a])
-        {
-            if(day > 31)
-            {
-                printf("Date not valid\n");
-                return 0;
-            }
-        }
-        else
-        {
-            if(day > 30)
-            {
-                printf("Date not valid\n");
-                return 0;
-            }
-        }
-            
-    }
-
-
-    // deciding leap years
-    if(year % 100 == 0)
-    {
-        if(year % 400 == 0)
-        {
-            leap = 1;
-        }
-        else
-        {
-            leap = 0;
-        }
-    }
-    else
-    {
-       if(year % 4 == 0)
-       {
-           leap = 1;
-       }
-       else
-       {
-           leap = 0;
-       }
-
-    }
-
-    // checking february
-    if(month == 2)
-    {
-
-        if(leap == 1)
-        {
-            if(day != 29)
-            {
-                printf("Date not valid\n");
-                return 0;
-            }
-        }
-        else
-        {
-            if(day != 28)
-            {
-                printf("Date not valid\n");
-                return 0;
-            }
-
-        }
-
-    }
-
-    printf("Date is valid\n");
-    return 0;
-    
-}