Update last-stone-weight-ii.cpp

kamyu104 · web-flow · commit 9a8449ff4f46 · 2019-05-20T02:41:34.000+08:00
diff --git a/C++/last-stone-weight-ii.cpp b/C++/last-stone-weight-ii.cpp
@@ -1,5 +1,5 @@
-// Time:  O(n * s), s is sum(stones)
-// Space: O(s)
+// Time:  O(2^n)
+// Space: O(2^n)
 
 class Solution {
 public:
