Update binary_tree_paths.py

yingl · web-flow · commit 50a4abe9338f · 2017-04-25T14:10:04.000+08:00
diff --git a/binary_tree_paths.py b/binary_tree_paths.py
@@ -1,4 +1,4 @@
-# -*- coding: utf-8 -*-
+# coding: utf-8
 
 class Solution:
     # @param {TreeNode} root the root of the binary tree
@@ -18,4 +18,6 @@ def _binaryTreePaths(self, root, path):
             if root.right:
                 self._binaryTreePaths(root.right, path)
             if not (root.left or root.right):
-                self.ret.append(path)
+                self.ret.append(path)
+
+# easy: http://lintcode.com/zh-cn/problem/binary-tree-paths/
