--- utility.cpp.orig	2014-08-06 10:12:15.000000000 -0400
+++ utility.cpp	2014-08-06 10:12:30.000000000 -0400
@@ -21,6 +21,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <time.h>
 
 using namespace std;