Update add-binary.cpp

xiwhuang · Feb 19, 2016 · a408df7 · a408df7
1 parent 9c38ca4
commit a408df7
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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) {