diff --git a/sort-c++/Hungarian.cpp b/sort-c++/Hungarian.cpp
index 601bb1d..a20b0d5 100644
--- a/sort-c++/Hungarian.cpp
+++ b/sort-c++/Hungarian.cpp
@@ -10,7 +10,8 @@
 // 
 
 #include "Hungarian.h"
-
+#include <cmath>
+#include <cfloat>
 
 HungarianAlgorithm::HungarianAlgorithm(){}
 HungarianAlgorithm::~HungarianAlgorithm(){}
diff --git a/sort-c++/main.cpp b/sort-c++/main.cpp
index 0d3faa0..f2c4f1e 100644
--- a/sort-c++/main.cpp
+++ b/sort-c++/main.cpp
@@ -27,6 +27,7 @@
 #include <iomanip> // to format image names using setw() and setfill()
 #include <io.h>    // to check file existence using POSIX function access(). On Linux include <unistd.h>.
 #include <set>
+#include <cfloat>
 
 #include "Hungarian.h"
 #include "KalmanTracker.h"