Merge pull request gzc426#390 from Jerring/master

gzc426 · web-flow · commit 0527d0fa4946 · 2018-12-08T11:33:01.000+08:00
1
diff --git a/2018.12.07-leetcode104/TheRocket.md b/2018.12.07-leetcode104/TheRocket.md
@@ -0,0 +1,19 @@
+```java
+/**
+ * Definition for a binary tree node.
+ * public class TreeNode {
+ *     int val;
+ *     TreeNode left;
+ *     TreeNode right;
+ *     TreeNode(int x) { val = x; }
+ * }
+ */
+class Solution {
+    public int maxDepth(TreeNode root) {
+        if (root == null) {
+            return 0;
+        }
+        return 1 + Math.max(maxDepth(root.left), maxDepth(root.right));
+    }
+}
+```
