SH

https://www.acmicpc.net/problem/1491 문제에서 정의하는 시작 좌표 "가장 남서쪽" 이 (N-1,0)이 아닌 (0,0)임에 주의import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.StringTokenizer;class Main { public static void main(String[] args) throws IOException { int[] dr = {0, -1, 0, 1}; int[] dc = {1, 0, -1, 0}; BufferedReader br = new BufferedReader(new InputStream..

https://www.acmicpc.net/problem/1384 구현 문제import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import java.util.StringTokenizer;class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(..

https://www.acmicpc.net/problem/1431 정렬문제 1. streamimport java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.Arrays;import java.util.Comparator;class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int N = Integer.parseInt(br.readLine()); String[..