문제https://www.acmicpc.net/problem/1083풀이(25분)import java.io.*;import java.util.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int N = Integer.parseInt(br.readLine()); ArrayList arr = new ArrayList(); StringTokenizer st = new StringTokenizer(br.readLine()); ..