public static void main(String[] args) { for (int i = 10; i <= 13; i++) { int size = (int) Math.pow(2, i); TreeSet<Integer> tree = generateBinaryTree(size); timeLookup(tree, size); } System.out.println("\n\n"); System.out.println("----------------------"); System.out.println("\n\n"); for (int i = 10; i <= 20; i++) { long size = (long) Math.pow(2, i); TreeSet<Integer> tree = generateBinaryTree(size); timeLookup(tree, size); } }