문제https://www.acmicpc.net/problem/3584풀이import java.awt.Point;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 t = Integer.parseInt(br.readLine()); StringTokenizer st; for(int i = 0; i firstAncestor = new Stack(); ..