funguje

du6/program.c

@@ -81,7 +81,6 @@ void run_knowledge_system(struct tree* node) {
             return;
         }
     }
-    printf("Koniec\n");
     return;
 }
 
@@ -104,7 +103,7 @@ int main() {
     printf("Pozna %d druhov ovocia a zeleniny.\n", answer_count);
     printf("Odpovedajte 'a' pre prvu moznost alebo 'n' pre druhu moznost.\n");
     run_knowledge_system(knowledge_base);
+    printf("Koniec\n");
     destroy_tree(knowledge_base);
-    
     return 0;
 }