diff --git a/dynamic_programming/house_robber.cpp b/dynamic_programming/house_robber.cpp
index a02e96f6d..795a08b0c 100644
--- a/dynamic_programming/house_robber.cpp
+++ b/dynamic_programming/house_robber.cpp
@@ -13,6 +13,7 @@
 #include <climits>   /// for std::max
 #include <iostream>  /// for io operations
 #include <vector>    /// for std::vector
+
 /**
  * @namespace dynamic_programming
  * @brief Dynamic Programming algorithms