Update add_and_search_word.py

yingl · web-flow · commit 803e81934278 · 2017-04-25T18:52:11.000+08:00
diff --git a/add_and_search_word.py b/add_and_search_word.py
@@ -1,4 +1,4 @@
-# -*- coding: utf-8 -*-
+# coding: utf-8
 
 class TrieNode: # 参考implement_trie.py实现
   def __init__(self):
@@ -42,4 +42,6 @@ def dfs_search(self, root, word, i):    # 实现search
                 else:   # 搜索下一层
                     if self.dfs_search(trie, word, i + 1):
                         return True
-        return False
+        return False
+
+# medium: http://lintcode.com/zh-cn/problem/add-and-search-word/
