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leapYear.cpp
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leapYear.cpp
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/*
Write a leap_year.cpp program that:
1. Takes a year as input.
2. Checks to see if the year is a four-digit number.
3. Displays whether or not the year falls on a leap year.
There are 3 criteria that must be taken into account to identify a leap year:
1. If the year can be evenly divided by 4 then it is a leap year, however…
2. If that year can be evenly divided by 100, and it is not evenly divided by 400, then it is NOT a leap year.
3. If that year is evenly divisible by 400, then it is a leap year.
*/
#include <iostream>
int main() {
int digits=0,year;
std::cout << "Enter the year : ";
std::cin >> year;
int temp;
temp = year;
while(temp)
{ temp /= 10;
digits++;}
if(digits!=4)
std::cout << "Invalid Entry.\nNot a four digit year.\n";
else
{
if(year%4==0 && year%100!=0 || year%400==0)
std::cout << year << "is a Leap year.\n";
else
std::cout << year << "is NOT a leap year.\n";
}
}
/*
$ Enter the year : 100
$ Invalid Entry.
Not a four digit year.
$ Enter the year : 1996
$ 1996 is a Leap year.
$ Enter the year : 2300
$ 2300 is NOT a leap year.
*/