diff --git a/C++/add-binary.cpp b/C++/add-binary.cpp index 1c3591b60..7a273e67d 100644 --- a/C++/add-binary.cpp +++ b/C++/add-binary.cpp @@ -25,6 +25,7 @@ class Solution { } }; +// Iterator solution. class Solution2 { public: string addBinary(string a, string b) {