import java.util.*;

class InsertSort3
// Constructive insertion sort on a random ArrayList of integers
// Timed but not printed
{
 public static void main(String[] args) throws Exception
 {
  Random rand = new Random();
  long time1,time2;
  Scanner input = new Scanner(System.in);
  System.out.print("Enter the number of numbers: ");
  int num = input.nextInt();
  System.out.print("Enter the highest number: ");
  int high = input.nextInt();
  ArrayList<Integer> a = new ArrayList<Integer>();
  for(int i=0; i<num; i++)
      a.add(rand.nextInt(high));
  time1 = new Date().getTime();
  ArrayList<Integer> b=sort(a);
  time2 = new Date().getTime();
  System.out.println("Time taken to sort: "+(time2-time1)+"ms");
 }


 public static ArrayList<Integer> sort(ArrayList<Integer> a)
 {
  ArrayList<Integer> b = new ArrayList<Integer>();
  for(int i=0; i<a.size(); i++)
     insert(a.get(i),b);
  return b;
 }

 private static void insert(Integer n,ArrayList<Integer> a)
 {
  int i;
  for(i=0; i<a.size()&&a.get(i).compareTo(n)<0; i++) {}
  a.add(i,n);
 }

}