A1

import java.util.LinkedList; import java.util.Queue; import java.util.Scanner; public class Main3 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); // 단순 숫자 입력이므로 Scanner을 통하여 입력 받기 Queue queue = new LinkedList(); // 큐 자료구조 생성 int n = sc.nextInt(); // 1~n까지의 숫자카드 범위 지정 for (int i = 1; i

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Stack; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); Stack stack = new Stack(); String str = br.readLine(); if (str.equals("고무오리 디버깅 시작")) { while (true) { str = br.readLine(); if ..

import java.util.Scanner; import java.util.Stack; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); // 단순 숫자 입력이므로 Scanner을 이용하여 입력을 받음 Stack stack = new Stack(); int num = sc.nextInt(); // 들어올 숫자의 개수 입력 for (int i = 0; i < num; i++) { int height = sc.nextInt(); if (stack.size() == 0) { stack.push(height); } else if (stack.peek()

import java.util.Scanner; public class Main2 { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int num = sc.nextInt(); int[][] area = new int[100][100]; int cnt = 0; for (int i = 0; i < num; i++) { int area1 = sc.nextInt(); // 열 우선 입력 int area2 = sc.nextInt(); // 행 입력 for (int j = area1; j < area1 + 10; j++) { for (int k = area2; k < area2 + 10; k++) { if (area[j][k..

import java.util.ArrayList; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int[] arr = new int[10]; ArrayList arr1 = new ArrayList(); int cnt = 10; for (int i = 0; i < 10; i++) { arr[i] = sc.nextInt(); arr1.add(arr[i] % 42); } for (int j = 0; j < arr1.size(); j++) { for (int k = j+1; k < arr1.size(); k++) { if (arr1.get..

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String str = sc.nextLine(); int[] arr = new int[26]; char[] chr = new char[str.length()]; for (int i = 0; i < 26; i++) { arr[i] = -1; } for (int i = 0; i < str.length(); i++) { chr[i] = str.charAt(i); } for (int i = 0; i < str.length(); i ++) { if(arr[(chr[i]-'a')] == -1) a..

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int TC = sc.nextInt(); int sum = 0; sc.nextLine(); String str = sc.nextLine(); for (int tc = 1; tc

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String str = sc.nextLine(); int a = str.charAt(0); System.out.println(a); } }

public class Test { long sum(int[] a) { long ans = 0; for(int i = 0 ; i

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int TC = sc.nextInt(); for (int i = 0; i < TC; i++) { double sum = 0; double avg = 0; double cnt = 0; int student = sc.nextInt(); int[] score = new int[student]; for(int j = 0; j