카타 7급 Leap Years

1 C

#include <stdbool.h>
bool IsLeapYear(int year) {
  if( year%400 == 0 ) return true;
  if( year%100 == 0 ) return false;
  return !(year%4);
}

#include <stdbool.h>
bool IsLeapYear(int year) {
  if( year%400 == 0 ) return true;
  if( year%100 == 0 ) return false;
  if( year%4 == 0) return true;
  return false;
}

#include <stdbool.h>
bool IsLeapYear(int year) {
  return year % 4 == 0 && (year % 100 != 0 || year % 400 == 0);
}

2 C++

#include <stdbool.h>
bool IsLeapYear(int year) {
  if( year%400 == 0 ) return true;
  if( year%100 == 0 ) return false;
  return !(year%4);
}

#include <stdbool.h>
bool IsLeapYear(int year) {
  return year % 4 == 0 && (year % 100 != 0 || year % 400 == 0);
}

3 Kotlin

fun isLeapYear(year: Int) : Boolean {
  if( year%400 == 0 ) return true
  if( year%100 == 0 ) return false
  return( year%4 == 0 )
}

fun isLeapYear(year: Int) = java.time.Year.of(year).isLeap

fun isLeapYear(year: Int) = year % 400 == 0 || (year % 4 == 0 && year % 100 != 0)