--- queensgui/src/containerhash.h	2007/07/20 01:22:53	5
+++ queensgui/src/containerhash.h	2007/07/20 09:54:09	6
@@ -24,6 +24,8 @@
 #include "solution.h"
 
 #include <list>
+#include <boost/shared_ptr.hpp>
+
 
 
 /**
@@ -33,8 +35,8 @@
 {
 private:
     static const int max_size = 256;
-    typedef std::list<Solution*>::iterator ListIt;
-    typedef std::list<Solution*> SolList;
+    typedef std::list< boost::shared_ptr<Solution> >::iterator ListIt;
+	typedef std::list< boost::shared_ptr<Solution> > SolList;
      
     SolList* solutions[max_size];