Update design-twitter.cpp

kamyu104 · web-flow · commit efe8d1a39e0a · 2016-06-11T22:02:26.000+08:00
diff --git a/C++/design-twitter.cpp b/C++/design-twitter.cpp
@@ -1,8 +1,7 @@
-// Time:  O(nlogf),     n is most recently number of tweets,
-//                      f is the number of user's following.
-// Space: O(u + t + r), u is the number of users,
-//                      t is the total number of tweets,
-//                      r is the total number of followings.
+// Time:  O(klogu), k is most recently number of tweets,
+//                  u is the number of the user's following.
+// Space: O(t + f), t is the total number of tweets,
+//                  f is the total number of followings.
 
 class Twitter {
 public:
