Answers for "when is the leap year"

Check if a year is leap year

#include<iostream>
using namespace std;
int main() {
   int year = 2016;
   if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0))
   cout<<year<<" is a leap year";
   else
   cout<<year<<" is not a leap year";
   return 0;
}

leap year

const leapYear = (year) => {
	if (year % 4 === 0 || year % 400 === 0 && year % 100 !== 0) {
		return `${year } : is a leap year`
	} else {
		return `${year} : is not a leap year`
	}
}