[백준] 2단계 문제 모음

제목에 링크를 입력하면 해당 문제로 이동합니다.

 

1

1330

두 수 비교하기

Java

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int A = scan.nextInt();
		int B = scan.nextInt();
		
		if(A >B)
			System.out.println(">");
		if(A<B)
			System.out.println("<");
		if(A==B)
			System.out.println("==");
			
		
	}

}

 

2

9498

시험 성적

Java

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int A = scan.nextInt();
		
		if(A>89)
			System.out.println("A");
		else if(79<A && A<90)
			System.out.println("B");
		else if(69<A && A <80)
			System.out.println("C");
		else if(59<A && A < 70)
			System.out.println("D");
		else
			System.out.println("F");
		
		scan.close();
	}

}

 

3

2753

윤년

Java

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
			Scanner scan = new Scanner(System.in);
			int year = scan.nextInt();
	
			if(year%4==0 && (year%100!=0 || year %400 ==0))
				System.out.println("1");
			else
				System.out.println("0");
			
			scan.close();
	}

}

 

4

14681

사분면 고르기

Java

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int x = scan.nextInt();
		int y = scan.nextInt();
		
		if(x>0 && y>0)
			System.out.println("1");
		else if(x<0 && y>0)
			System.out.println("2");
		else if(x<0 && y<0)
			System.out.println("3");
		else if(x>0 && y<0)
			System.out.println("4");
		else
			System.out.println("error");
		scan.close();
	}
}

 

5

2884

알람 시계

Java

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int hour = scan.nextInt();
		int minute = scan.nextInt();
		
		if(minute - 45 <0) {
			hour -= 1;
			if(hour<0)
				hour = 23;
			minute = 60 +(minute -45);
		}
		
		else minute -= 45;
	
		System.out.print(hour + " ");
		System.out.print(minute);
		scan.close();
	}
}