@@ -0,0 +1,458 @@
+package leetcode;%0A%0A/**%0A * https://leetcode.com/problems/count-complete-tree-nodes/%0A */%0Apublic class Problem222 %7B%0A    public static class TreeNode %7B%0A        int val;%0A        TreeNode left;%0A        TreeNode right;%0A%0A        TreeNode(int x) %7B%0A            val = x;%0A        %7D%0A    %7D%0A%0A    public int countNodes(TreeNode root) %7B%0A        // TODO%0A        return 0;%0A    %7D%0A%0A    public static void main(String%5B%5D args) %7B%0A        Problem222 prob = new Problem222();%0A    %7D%0A%7D%0A

Add skeleton for problem 222