Merge pull request gzc426#388 from u-hechongyang/master

gzc426 · web-flow · commit 36aed9e1bf3c · 2018-12-08T11:34:15.000+08:00
5
diff --git a/2018.12.07-leetcode104/阳.md b/2018.12.07-leetcode104/阳.md
@@ -0,0 +1,17 @@
+/**
+ * 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));
+    }
+}
