https://www.acmicpc.net/problem/2178 package BKD_0x9_BFS;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.LinkedList;import java.util.Queue;import java.util.StringTokenizer;public class BOJ_2178 { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System..
