Update matchsticks-to-square.cpp

kamyu104 · web-flow · commit 070afb6583d7 · 2016-12-20T20:36:15.000+08:00
diff --git a/C++/matchsticks-to-square.cpp b/C++/matchsticks-to-square.cpp
@@ -1,5 +1,5 @@
 // Time:  O(n * s * 2^n), s is the number of subset of which sum equals to side length.
-// Space: O(n * (2^n + s)), 
+// Space: O(n * (2^n + s))
 
 class Solution {
 public:
