diff --git a/app/controllers/main_controller.rb b/app/controllers/main_controller.rb
--- a/app/controllers/main_controller.rb
+++ b/app/controllers/main_controller.rb
@@ -315,7 +315,6 @@
       end
       @submission_timeouts[problem.id] = timeout
     end
-    @submission_timeouts.each_pair {|k,v| puts "#{k} => #{v}"}
   end
 
   def prepare_list_information
@@ -343,7 +342,11 @@
       end
     end
 
-    @problems = all_problems.reject { |problem| passed.has_key? problem.id }
+    if (not defined? HIDE_PASSED_TASKS) or HIDE_PASSED_TASKS
+      @problems = all_problems.reject { |problem| passed.has_key? problem.id }
+    else
+      @problems = all_problems
+    end
 
     prepare_timeout_information(@problems)
     
diff --git a/config/environment.rb.SAMPLE b/config/environment.rb.SAMPLE
--- a/config/environment.rb.SAMPLE
+++ b/config/environment.rb.SAMPLE
@@ -109,3 +109,4 @@
 CODEJOM_MAX_ALIVE_LEVEL = 10
 TEST_ASSIGNMENT_EXPIRATION_DURATION = 5.minute
 SHOW_CONTEST_STATUS = false
+HIDE_PASSED_TASKS = true
\ No newline at end of file