Add solution for 2016 Day 11

src/common/lib/Helper.h

@@ -51,6 +51,21 @@ struct Helper
     t.erase(std::remove_if(t.begin(), t.end(), func), t.end());
   }
 
+  static std::vector<std::string_view> Split(const std::string& str, const std::string& delim)
+  {
+    std::vector<std::string_view> split;
+    size_t pos = str.find(delim);
+    size_t lastPos = 0;
+    while (pos != std::string::npos)
+    {
+      split.emplace_back(std::string_view{str.c_str() + lastPos, pos - lastPos});
+      lastPos = pos + delim.size();
+      pos = str.find(delim, pos + delim.size());
+    }
+    split.emplace_back(std::string_view{str.c_str() + lastPos, str.size() - lastPos});
+    return split;
+  }
+
   static bool StartsWith(const std::string_view& str, const std::string& prefix, size_t offset = 0)
   {
     return str.substr(offset, prefix.size()) == prefix;