백준 14502번

import java.io.IOException; import java.util.LinkedList; import java.util.Queue; import java.util.Scanner; public class Main { static int[][] graph; static int N,M; static int[] dnum1 = {-1,1,0,0}; static int[] dnum2 = {0,0,1,-1}; static int result = 0; public static void main(String[] args) throws IOException{ // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); N = sc.nextIn..