DFS

인구 이동 - 16234번

내 코드 package com.company; import java.io.*; import java.util.*; public class Main { static int[][] d = {{1, 0}, {-1, 0}, {0, 1}, {0, -1}}; static int[][] arr; static int R, L, N, count; static int[][] visited; static int[] ck; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokeni..