Cpp/leap_year at main · swayamprogramator/Cpp · GitHub

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#include <iostream>
using namespace std;

int main() {

  int year;

  cout << "Enter a year: ";
  cin >> year;


  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;
}

/ * OR

#include <iostream>
using namespace std;

int main() {

  int year;

  cout << "Enter a year: ";
  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;
}
*/