코딩 문제/백준
2021. 3. 25.
백준 - 2468번
풀이 import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; public class Main { static int[][] arr; static boolean[][] check; static int num = 0; static int[] changeX = {1, -1, 0, 0}; static int[] changeY = {0, 0, 1, -1}; public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader ( new InputStrea..