[tr]#include
#include
struct date
{
int month;
int day;
int year;
} date_1;
long int funct1 (int y,int m)
{
long int result;
if ( m <= 2 )
y -= 1;
result = y;
return (result);
}
long int funct2 (int m)
{
long int result;
if ( m <= 2 )
result = m + 13;
else
result = m + 1;
return(result);
}
long int day_count (int m, int d, int y)
{
long int number;
number = 1461 * funct1(y,m) / 4 + 153 * funct2(m) / 5 + d;
return (number);
}
void main ()
{
long int number_of_days1;
int day_of_week;
printf ("Nhap vao mot ngay (dd mm yyyy), vd 12 03 1999 \n");
scanf ("%d %d %d", &date_1.day, &date_1.month, &date_1.year);
number_of_days1 = day_count (date_1.month, date_1.day, date_1.year);
printf ("\nNgay la : " );
day_of_week = (number_of_days1 - 621049) % 7;
switch (day_of_week)
{
case 0 :
printf ("Chu Nhat,");
break;
case 1 :
printf ("Thu Hai,");
break;
case 2 :
printf ("Thu Ba,");
break;
case 3 :
printf ("Thu Tu,");
break;
case 4 :
printf ("Thu Nam,");
break;
case 5 :
printf ("Thu Sau,");
break;
case 6 :
printf ("Thu Bay,");
break;
}
getch();
}
#include
struct date
{
int month;
int day;
int year;
} date_1;
long int funct1 (int y,int m)
{
long int result;
if ( m <= 2 )
y -= 1;
result = y;
return (result);
}
long int funct2 (int m)
{
long int result;
if ( m <= 2 )
result = m + 13;
else
result = m + 1;
return(result);
}
long int day_count (int m, int d, int y)
{
long int number;
number = 1461 * funct1(y,m) / 4 + 153 * funct2(m) / 5 + d;
return (number);
}
void main ()
{
long int number_of_days1;
int day_of_week;
printf ("Nhap vao mot ngay (dd mm yyyy), vd 12 03 1999 \n");
scanf ("%d %d %d", &date_1.day, &date_1.month, &date_1.year);
number_of_days1 = day_count (date_1.month, date_1.day, date_1.year);
printf ("\nNgay la : " );
day_of_week = (number_of_days1 - 621049) % 7;
switch (day_of_week)
{
case 0 :
printf ("Chu Nhat,");
break;
case 1 :
printf ("Thu Hai,");
break;
case 2 :
printf ("Thu Ba,");
break;
case 3 :
printf ("Thu Tu,");
break;
case 4 :
printf ("Thu Nam,");
break;
case 5 :
printf ("Thu Sau,");
break;
case 6 :
printf ("Thu Bay,");
break;
}
getch();
}