Update alien-dictionary.py

kamyu104 · kamyu104 · commit b2f5bcb8f59d · 2015-08-26T00:15:13.000+08:00
diff --git a/Python/alien-dictionary.py b/Python/alien-dictionary.py
@@ -1,5 +1,5 @@
 # Time:  O(|V|+|E|) = O(26 + 26^2) = O(1)
-# Space: O(|E|) = O(26^2) = O(1)
+# Space: O(|V|+|E|) = O(26 + 26^2) = O(1)
 
 class Solution(object):
     def alienOrder(self, words):
