From e3e178f39f7d6781a7183d871d00b09caf0f9759 Mon Sep 17 00:00:00 2001
From: manuel <manuel@nc8430.lan>
Date: Thu, 11 Jun 2009 20:47:35 +0200
Subject: adding dynamic_cast instead of typeid

---
 ue5/mean_mark.hpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/ue5/mean_mark.hpp b/ue5/mean_mark.hpp
index a28b219..e07aedc 100644
--- a/ue5/mean_mark.hpp
+++ b/ue5/mean_mark.hpp
@@ -2,6 +2,7 @@
 #define MEAN_MARK_H
 
 #include <typeinfo>
+#include <iostream>
 
 #undef SOLVED_3
 #define SOLVED_3
@@ -29,9 +30,12 @@ namespace Ti
       unsigned count = 0;
       for(; first != last; ++first)
       {
-        if (typeid(*(*first)) != typeid(Student))
+        /*if (typeid(*(*first)) != typeid(Student))
+          continue;*/
+        Student *s = dynamic_cast<Student *>(&(*(*first)));
+        if (s == NULL)
           continue;
-        result += (*first)->mark();
+        result += s->mark();
         ++count;
       }
       return (count == 0) ? 0 : result / count;
-- 
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