[백준 JAVA] 14503번: 로봇 청소기
https://www.acmicpc.net/problem/14503 import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.StringTokenizer;public class Main { public static int N, M, sr, sc, dis, ans = 0; public static int[][] map, visited; public static int[] dr = { -1, 0, 1, 0 }; public static int[] dc = { 0, 1, 0, -1 }; public static void main(String[] args) throws IOExc..