·백준
문제코드import java.io.*;public class bj_10026 { public static int N; public static char[][] graph; public static boolean[][] visited; public static int[] dx = {-1, 1, 0, 0}; public static int[] dy = {0, 0, 1, -1}; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bw = n..
