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#include <iostream>
using namespace std;
void getDate(int& current_day, int& current_month, int& current_year);
void birthday(int& birth_day, int& birth_month);
bool isLeapYear(int current_year);
int daysInYear(int current_year);
int daysInMonth(int current_month, int current_year);
int computeDaysLeftToBirthday(int birth_day, int birth_month, int current_day, int current_month, int current_year);
int main() {
int current_day;
int current_month;
int current_year;
int birth_day;
int birth_month;
int birth_year;
char repeat;
do {
getDate(current_day, current_month, current_year);
birthday(birth_day, birth_month);
computeDaysLeftToBirthday(birth_day, birth_month, current_day, current_month, current_year);
cout << endl;
cout << "Would you like to perform another calculation? (Y/N) ";
cin >> repeat;
cout << endl;
} while (repeat == 'Y' || repeat == 'y');
return 0;
}
void getDate(int& current_day, int& current_month, int& current_year)
{
cout << "Please enter the current day: ";
cin >> current_day;
cout << "Please enter the current month (1-12): ";
cin >> current_month;
cout << "Please enter the current year: ";
cin >> current_year;
}
void birthday(int& birth_day, int& birth_month)
{
cout << "Please enter the day of your birthday: ";
cin >> birth_day;
cout << "Please enter the month of your birthday: ";
cin >> birth_month;
}
bool isLeapYear(int current_year)
{
if (current_year % 400 == 0 || (current_year % 4 == 0 && current_year % 100 != 0))
return true;
else
return false;
}
int daysInYear(int current_year)
{
int days_year = 0;
if (isLeapYear(current_year) == true){
days_year = 366;
}
else {
days_year = 365;
}
return days_year;
}
int daysInMonth(int current_month, int current_year)
{
int days_month;
if (current_month == 4 || current_month == 6 || current_month == 9 || current_month == 11) {
days_month = 30;
}
else if (current_month == 2) {
if (isLeapYear(current_year) == true){
days_month = 29;
}
else {
days_month = 28;
}
}
else {
days_month = 31;
}
return days_month;
}
int computeDaysLeftToBirthday(int birth_day, int birth_month, int current_day, int current_month, int current_year)
{
int result = 0;
result =
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