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Commit c8ff7081 by Gürcan Güleç
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Committing cal.c file

parent c2b90ce5
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Showing with 214 additions and 0 deletions
cal.c 0 → 100644
#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;
}
labs/lab4/cal.c 0 → 100644
#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;
}
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