happy coding

import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); // 입력 String word = br.readLine(); // 출력 System.out.println(word); } } 위처럼 작성했더니 버퍼로 여러 줄을 입력받는 것은 불가능하다고 하고, 한 줄만 저장 및 출력이 가능했다. array로 해봤다. 첫 줄만 저장되고 그 이후는 저장도 안되더라. import java.io.*; import java.util.*; ..

import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); // 입력 String word = br.readLine(); int num = Integer.parseInt(br.readLine())-1; for (int i=0;i

import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String input = br.readLine(); //object 배열 선언 // Object[] arr = new Object[2][12]; Object[][] arr = { {"A+", 4.3},{"A0", 4.0},{"A-", 3.7}, {"B+", 3.3},{"B0", 3.0},{"B-", 2.7}, {"C+", 2.3},{"C0", 2.0},{"C-", ..

import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String input = br.readLine(); //character 클래스 이용 StringBuilder result = new StringBuilder(); for (int i=0;i

import java.io.*; import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String word = sc.nextLine(); int stringlen = word.length(); System.out.println(stringlen); } }

import java.io.*; import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); char word = sc.next().charAt(0); int num = (int)word; System.out.println(num); } }

import java.io.*; import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int x = sc.nextInt(); int[] arr = new int[n]; //크기가 n개인 배열 생성 for (int i=0;i

import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine()); int n = Integer.parseInt(st.nextToken()); int m = Integer.parseInt(st.nextToken()); int[][] A = new int[n][m]; int[][] B = new int[n][m]; for (int i=..