문제https://www.acmicpc.net/problem/1965풀이(20분)import java.io.*;import java.util.*;public class Main { static ArrayList list = new ArrayList(); public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st; int n = Integer.parseInt(br.readLine()); int[] arr = new int[n]; ..