CPP
cpp
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#include <iostream>
using namespace std;
int year,month,date;
int main()
{
if (year>=1000 && year<9999)
{
if (month>=1 && month<=12)
{
if ((date>=1 && date<= 31)&& (month ==1||month == 3||month ==5||month == 7||month == 8||month==10||month==12))
{
printf("Departure date >>%d/%d/%d\n",year,month,date);
}
else if ((date>=1 && date<= 30)&& (month ==4||month == 6||month ==9||month == 11))
{
printf("Departure date >>%d/%d/%d\n",year,month,date);
}
else if ((date>=1 && date<=29)&& (month == 2))
{
printf("Departure date >>%d/%d/%d\n",year,month,date);
}
else
{
printf("Invalid date! \n");
printf("Key in a new eparture date (eg. 2017 4 23) >>");
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