[코딩테스트] 백준 자바 4번 윤년 (백준 2753번)

 

2753번: 윤년 (acmicpc.net)

2753번: 윤년

 

1. Scanner 

 

import java.util.*;
public class Main{
	public static void main(String[] args) {
		Scanner scan=new Scanner(System.in);
		int a=scan.nextInt();
		scan.close();
		
		if(a%4==0)
		{
			if(a%400==0)
			{
				System.out.println("1");
			}
			else if(a%100==0)
			{
				System.out.println("0");
			}
			else {
				System.out.println("1");
			}
		}
		else
		{
			System.out.println("0");
		}

	}
}

 

 

 

1-2. Scanner + 삼항연산자 

import java.util.*;
public class Main{
	public static void main(String[] args) {
		Scanner scan=new Scanner(System.in);
		int a=scan.nextInt();
		scan.close();
		
		System.out.println((a%4==0)?((a%400==0)?"1":(a%100==0)?"0":"1"):"0");
	}
}

 

 

 

2-1. BufferedReader 

 

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
public class Main{
	public static void main(String[] args) throws IOException{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		int a=Integer.parseInt(br.readLine());
		
		if(a%4==0)
		{
			if(a%400==0)
			{
				System.out.println("1");
			}
			else if(a%100==0)
			{
				System.out.println("0");
			}
			else {
				System.out.println("1");
			}
		}
		else
		{
			System.out.println("0");
		}

	}
}

 

 

2-2. BufferedReader + 삼항연산자 

 

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
public class Main{
	public static void main(String[] args) throws IOException{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		int a=Integer.parseInt(br.readLine());
		System.out.println((a%4==0)?((a%400==0)?"1":(a%100==0)?"0":"1"):"0");
	}
}