Насколько я усложнил задачу?public class Solution {
public static int[][] result = new int[2][];
public static int[] array = new int[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10,11};
public static void main(String[] args) {
if (array.length % 2 != 0) {
int[] numberOneArray = Arrays.copyOfRange(array, 0, ar