import java.io.*; import java.util.*; // Input Format // The first line has an integer . In each of the next lines there will be an integer denoting number of integers on that line and then there will be space-separated integers. In the next line there will be an integer denoting number of queries. Each query will consist of two integers and . public class Solution { public static void main(String[] args) { Scanner scan = new Scanner(System.in); List> listOfList = new ArrayList>(); try{ int length = Integer.parseInt(scan.nextLine()); for(int i=0; i listOfInteger = new ArrayList(); int size = scan.nextInt(); for(int x=0;x currentList = new ArrayList(); int current = listOfList.get(x).get(y); System.out.println(current); }catch(Exception ex){System.out.println("ERROR!");} } } } // Output Format // In each line, output the number located in position of line. If there is no such position, just print "ERROR!" // Sample Input // 5 // 5 41 77 74 22 44 // 1 12 // 4 37 34 36 52 // 0 // 3 20 22 33 // 5 // 1 3 // 3 4 // 3 1 // 4 3 // 5 5 // Sample Output // 74 // 52 // 37 // ERROR! // ERROR!

2D List