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test

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Kristián Soták 2019-03-06 11:40:48 +01:00
commit 61c2b40a1e
1 changed files with 118 additions and 0 deletions
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#include <stdio.h>
int main (void)
{
int day,month,year;
printf("Enter Year, Month and Day as YYYY,M,DD\n");
scanf("%4d%d%2d", &year, &month, &day);
if (year >= 1901 && year <= 2299 &&
month >= 1 && month <= 12 &&
day >= 0 && day <= 31)
{
int century = year/100;
switch(century)
{
case 19:
century=0;
break;
case 20:
century=6;
break;
case 21:
century=4;
break;
case 22:
century=2;
break;
}
int last2_of_year= year % 100;
int last2_div_4 = last2_of_year/4;
switch (month)
{
case 1:
month=0;
break;
case 2:
month=3;
break;
case 3:
month=3;
break;
case 4:
month=6;
break;
case 5:
month=1;
break;
case 6:
month=4;
break;
case 7:
month=6;
break;
case 8:
month=2;
break;
case 9:
month=5;
break;
case 10:
month=0;
break;
case 11:
month=3;
break;
case 12:
month=5;
break;
}
int total_num = (century+ last2_of_year +day +month +last2_div_4)%7;
switch (total_num)
{
case 0:
printf("Sunday");
break;
case 1:
printf("Monday");
break;
case 2:
printf("Tuesday");
break;
case 3:
printf("Wednesday");
break;
case 4:
printf("Thursday");
break;
case 5:
printf("Friday");
break;
case 6:
printf("Saturday");
break;
}
printf("%d ,%d, %d, is a %d", year,month,day,total_num);
}
else
{
printf("invalid\n");
}
return 0;
}