Merge pull request gzc426#380 from beddingearly/master

gzc426 · web-flow · commit fceb9c36e94d · 2018-12-08T11:41:27.000+08:00
2
diff --git a/2018.12.07-leetcode104/Tony the Cyclist.md b/2018.12.07-leetcode104/Tony the Cyclist.md
@@ -0,0 +1,25 @@
+```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) {
+        int left;
+        int right;
+        if (root == null){
+            return 0;
+        }
+        else {
+            left = maxDepth(root.left) + 1;
+            right = maxDepth(root.right) + 1;
+        }
+        return left > right ? left : right;
+    }
+}
+```
