import java.io.*; import java.util.*; public class Solution { public static void main(String[] args) { /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */ Scanner sc=new Scanner(System.in); int q=sc.nextInt(); for(int i=0;i s1=new HashSet<>(); Set s2=new HashSet<>(); for(int j=0;j