bool Plan::isOK()
{
// return if plan appears ok
if ( numDays() > 0 &&
numCalendars() > 0 &&
index( calendar()) >= 0 )
return true;
return false;
}
Date::Date(int month, int day, int year) {
this->year = year;
this->month = month;
this->day = day;
if (numDays(this->month,this->year) == -1) {
this->year = (this->year < 1) ? 1 : (this->year > 2014 ? 2014 : this-> year);
this->month = (this->month < 1) ? 1 : (this->month > 12 ? 12: this->month);
if (this->month != month)
this->day = Date::monthNumDays[this->month-1];
}
}
int main() {
int day_abs = 0;
int day_rel = 0;
int week_abs = 0;
int week_rel = 0;
int mon_abs = 0;
int mon_rel = 0;
int yr_abs = 1900;
bool done = false;
int count = 0;
while (!done) {
// Check if Sunday and first of month
if (yr_abs > 1900 && day_abs % 7 == 6 && day_rel == 0) {
count++;
printf("%d / %d / %d\n", day_rel + 1, mon_rel + 1, yr_abs);
}
// Update first
day_abs++;
day_rel++;
if (day_rel == numDays(mon_rel, yr_abs)) {
day_rel = 0;
mon_rel++;
mon_abs++;
}
if (mon_rel == 12) {
yr_abs++;
mon_rel = 0;
}
if (yr_abs == 2001)
done = true;
}
printf("%d\n", count);
return 0;
}
void Date::readFromUser() {
cout << "Enter month: ";
cin >> month;
cout << "Enter day: ";
cin >> day;
cout << "Enter year: ";
cin >> year;
int tempMonth = month;
int tempYear = year;
if (numDays(this->month,this->year) == -1) {
this->year = (this->year < 1) ? 1 : (this->year > 2014 ? 2014 : this-> year);
this->month = (this->month < 1) ? 1 : (this->month > 12 ? 12: this->month);
if ((this->month != tempMonth) || (this->year != tempYear))
this->day = Date::monthNumDays[this->month-1];
}
}
//sorry i had to use goto here, but i really couldn't think of a way to make the program break out of the catch block once it had gone in
int main()
{
start:
try
{
cout << "Please enter a date below, in the format mm/dd/yyyy or using any other seperator in place of '/':" << endl;
string input;
cin >> input;
date val(input);
//values for use in the operations
date copy = val;
date other;
cout << "The date you have chosen is " << val << '.' << endl;
//loop
while (cin)
{
cout << endl
<< "Please enter the corresponding number of the function that you would like to perform:" << endl
<< "1. Is this year a leap year?" << endl
<< "2. What are the number of days in this year?" << endl
<< "3. What are the number of days till another date?" << endl
<< "4. What date is Thanksgiving on this year?" << endl
<< "5. If this date is the start of the semester, when will it end?" << endl
<< "6. What's tomorrow's date?" << endl
<< "7. Enter a new date." << endl
<< "8. Quit" << endl;
int choice;
cin >> choice;
switch(choice)
{
case 1:
if (isLeap(val.getYear()))
cout << "Yes, " << val.getYear() << " is a leap year." << endl;
else
cout << "No, " << val.getYear() << " is not a leap year." << endl;
break;
case 2:
cout << "The number of days in the year " << val.getYear() << " is " << numDays(val.getYear()) << '.' << endl;
break;
case 3:
cout << "Please enter the date that you would like to calculate the days till: ";
cin >> input;
other = date(input);
cout << "There is/are " << daysTill(val, other) << " day(s) till " << other << '.' << endl;
break;
case 4:
cout << "Thanksgiving is on " << thanksgiving(date(1,11,val.getYear())) << " this year." << endl;
break;
case 5:
cout << "The semester will end on " << endOfSem(val) << '.' << endl;
break;
case 6:
++copy;
cout << "The date tomorrow is " << copy << endl;
break;
case 7:
goto start;
break;
case 8:
cout << "Goodbye!" << endl;
goto end;
break;
}
}
}
catch(badDate)
{
cout << "You have entered an invalid date. Please start again." << endl;
goto start;
}
end:
return 0;
}