[BOJ] 11724번 연결 요소의 개수 구하기 Java

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.StringTokenizer; public class Main { static ArrayList[] edges; static boolean[] visited; public static void main(String[] args) throws IOException { final BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer stringTokenizer = new StringTokenizer(bf.readLine()); int N = Integer.valueOf(stringTokenizer.nextToken()); ...