C Program to check that year is leap year or not.

C Program to check that year is leap year or not.

#include <iostream>

using namespace std;

int main() {

  int year;

  cout << "Enter Number : ";

  cin >> year;

  if (year % 4 == 0) {

    if (year % 100 == 0) {

      if (year % 400 == 0)

        cout << year << " is a leap year";

      else

        cout << year << " is not a leap year";

    } else

      cout << year << " is a leap year";

  } else

    cout << year << " is not a leap year";

  return 0;

}