·백준
문제https://www.acmicpc.net/problem/21736코드import java.io.*;import java.util.StringTokenizer;public class bj_21736 { private static int N; private static int M; private static char[][] graph; private static boolean[][] visited; private static int[] dx = {1, 0, -1, 0}; private static int[] dy = {0, 1, 0, -1}; private static int result = 0; public static void main(String[] ar..
