diff --git a/Quickhull.h b/Quickhull.h
index 0eb37eb..3490842 100644
--- a/Quickhull.h
+++ b/Quickhull.h
@@ -3,6 +3,8 @@
 
 #include <list>
 #include <limits.h>
+#include <chrono>
+#include <iostream>
 
 #include "Display.h"
 #include "Triangle.h"
@@ -12,6 +14,8 @@ class Quickhull
 public:
     static void get_hull(std::list<Point> &input, std::list<Point> &output, bool akl)
     {
+        auto start = std::chrono::high_resolution_clock::now();
+
         // Get leftmost and rightmost point
         Point leftmost(INFINITY, 0.0), rightmost(-INFINITY, 0.0);
 
@@ -52,9 +56,12 @@ public:
         // Call get_hull_with_line with the left points, as well as with the right points, and the line
         get_hull_with_line(points_left, output, line);
         get_hull_with_line(points_right, output, line);
+
+        auto diff = std::chrono::duration<double, std::milli>(std::chrono::high_resolution_clock::now() - start);
+        std::cout << "-- inner diff: " << diff.count() << "ms" << std::endl;
     }
     
-    static void show (std::list<Point> points, std::list<Point>& hull)
+    static void show (std::list<Point> &points, std::list<Point>& hull)
     {
         // showing points in window after calculation
         // create the window
diff --git a/main.cpp b/main.cpp
index b3a7206..6d8ec9a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -102,7 +102,7 @@ int main (int argc, char **argv)
                 // ---------------------------------------------------------------
                 // TODO: remove, just for comparison
                 auto diff2 = std::chrono::duration<double, std::milli>(std::chrono::high_resolution_clock::now() - start2);
-                std::cout << "average time2 spent: " << diff2.count() << "ms" << std::endl;
+                std::cout << "total time spent: " << diff2.count() << "ms" << std::endl;
                 // ---------------------------------------------------------------
                 std::cout << "average time spent: " << total.count()/runs << "ms" << std::endl;
                 Quickhull::show(points, hull);