Update destination-city.py

kamyu104 · web-flow · commit 2eb2440ef00a · 2020-05-04T02:05:16.000+08:00
diff --git a/Python/destination-city.py b/Python/destination-city.py
@@ -1,5 +1,5 @@
 # Time:  O(n)
-# Space: O(1)
+# Space: O(n)
 
 import itertools
 
