Method constructMaximumBinaryTree

java/654_Maximum_Binary_Tree.java:2–4

(int[] nums)

public class Solution {
    public TreeNode constructMaximumBinaryTree(int[] nums) {
        return construct(nums, 0, nums.length);
    }
    public TreeNode construct(int[] nums, int l, int r) {
        if (l == r)
            return null;