Update identical_binary_tree.py

yingl · web-flow · commit 80f38006a9ba · 2017-04-25T13:53:58.000+08:00
diff --git a/identical_binary_tree.py b/identical_binary_tree.py
@@ -1,4 +1,4 @@
-# -*- coding: utf-8 -*-
+# coding: utf-8
 
 class Solution:
     """
@@ -12,4 +12,6 @@ def isIdentical(self, a, b):
         if a and b:
             if a.val == b.val:
                 return self.isIdentical(a.left, b.left) and self.isIdentical(a.right, b.right)
-        return False
+        return False
+
+# easy: http://lintcode.com/zh-cn/problem/identical-binary-tree/
