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DayOfTheProgrammer.java
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DayOfTheProgrammer.java
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//https://www.hackerrank.com/challenges/day-of-the-programmer/problem
import java.util.Scanner;
public class DayOfTheProgrammer {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
int year = in.nextInt();
String result = solve(year);
System.out.println(result);
}
private static String solve(int year) {
if(year < 1917) {
if(JulianLeapYear(year)) {
return "12.09."+year;
}
else {
return "13.09."+year;
}
}
else if(year == 1918) {
return "26.09."+year;
}
else {
if(GregorianLeapYear(year)) {
return "12.09."+year;
}
else {
return "13.09."+year;
}
}
}
public static Boolean JulianLeapYear(int year) {
if(year % 4 == 0) {
return true;
}
return false;
}
public static Boolean GregorianLeapYear(int year) {
if(year % 400 == 0)
return true;
else if(JulianLeapYear(year)) {
if(year % 100 != 0) {
return true;
}
return false;
}
return false;
}
}