int main()
{
int y,m,d1;
int n,x;
d1=DAYof_INITYR;
y=INITYR;
int ans=0;
while(y!=FINLYR+1)
{
m=1;
while(m!=13)
{
n=noofdays(m,y);
x=n%7;
d1=incday(x,d1);
if(d1==reqDAY)
ans++;
m++;
}
y++;
if(y==INITYR)
ans=0;
}
printf("\n%d\n",ans);
return 0;
}
int between_days(struct node *date1head, struct node *date2head){
struct node *month1, *day1, *year1,*month2,*day2,*year2;
int count = 0,res=0;
if (date1head != NULL&&date2head != NULL)
{
day1 = date1head;
while (count != 2)
{
date1head = date1head->next;
count++;
}
month1 = date1head;
count = 0;
while (count != 2)
{
date1head = date1head->next;
count++;
}
year1 = date1head;
count = 0;
day2 = date2head;
while (count != 2)
{
date2head = date2head->next;
count++;
}
month2 = date2head;
count = 0;
while (count != 2)
{
date2head = date2head->next;
count++;
}
year2 = date2head;
res = noofdays(day1, day2, month1, month2, year1, year2);
if (res == 0)
{
return -1;
}
else
{
return res;
}
}
else
{
return -1;
}
}
