문제https://softeer.ai/practice/6282풀이(11분)import java.io.*;import java.util.*;public class Main { static int n; static int[][] arr; static Queue queue = new LinkedList(); static int count = 0; static int[] dx = new int[]{0, 0, 1, -1}; static int[] dy = new int[]{-1, 1, 0, 0}; public static void main(String[] args) throws Exception{ BufferedReader br = new BufferedReade..