๋ฌธ์ (์ถ์ฒ: https://www.acmicpc.net/problem/30610) ๋ฌธ์ ํ์ด bfs๋ฅผ ์ฌ์ฉํ์ฌ 1์ ์์ญ ๊ฐ์์ ํฌ๊ธฐ๋ฅผ ๊ตฌํ๋ค. my solution (Java)import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.util.ArrayList;import java.util.Collections;import java.util.LinkedList;import java.util.Queue;import java.util.StringTokenizer;pub..
