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
@@ -125,6 +125,46 @@
     end
   end
 
+  def result
+    if !Configuration.show_grading_result
+      redirect_to :action => 'list' and return
+    end
+    @user = User.find(session[:user_id])
+    @submission = Submission.find(params[:id])
+    if @submission.user!=@user
+      flash[:notice] = 'You are not allowed to view result of other users.'
+      redirect_to :action => 'list' and return
+    end
+    prepare_grading_result(@submission)
+  end
+
+  def load_output
+    if !Configuration.show_grading_result or params[:num]==nil
+      redirect_to :action => 'list' and return
+    end
+    @user = User.find(session[:user_id])
+    @submission = Submission.find(params[:id])
+    if @submission.user!=@user
+      flash[:notice] = 'You are not allowed to view result of other users.'
+      redirect_to :action => 'list' and return
+    end
+    case_num = params[:num].to_i
+    out_filename = output_filename(@user.login, 
+                                   @submission.problem.name,
+                                   @submission.id,
+                                   case_num)
+    if !FileTest.exists?(out_filename)
+      flash[:notice] = 'Output not found.'
+      redirect_to :action => 'list' and return
+    end
+
+    response.headers['Content-Type'] = "application/force-download"
+    response.headers['Content-Disposition'] = "attachment; filename=\"output-#{case_num}.txt\""
+    response.headers["X-Sendfile"] = out_filename
+    response.headers['Content-length'] = File.size(out_filename)
+    render :nothing => true
+  end
+
   def error
     @user = User.find(session[:user_id])
   end
@@ -156,5 +196,105 @@
     end
   end
 
+  def prepare_grading_result(submission)
+    grading_info = Configuration.task_grading_info[submission.problem.name]
+    @test_runs = []
+    if grading_info['testruns'].is_a? Integer
+      trun_count = grading_info['testruns']
+      trun_count.times do |i|
+        @test_runs << [ read_grading_result(@user.login,
+                                            submission.problem.name,
+                                            submission.id,
+                                            i+1) ]
+      end
+    else
+      grading_info['testruns'].keys.sort.each do |num|
+        run = []
+        testrun = grading_info['testruns'][num]
+        testrun.each do |c|
+          run << read_grading_result(@user.login,
+                                     submission.problem.name,
+                                     submission.id,
+                                     c)
+        end
+        @test_runs << run
+      end
+    end
+  end
+
+  def grading_result_dir(user_name, problem_name, submission_id, case_num)
+    return "#{GRADING_RESULT_DIR}/#{user_name}/#{problem_name}/#{submission_id}/test-result/#{case_num}"
+  end
+  
+  def output_filename(user_name, problem_name, submission_id, case_num)
+    dir = grading_result_dir(user_name,problem_name, submission_id, case_num)
+    return "#{dir}/output.txt"
+  end
+
+  def read_grading_result(user_name, problem_name, submission_id, case_num)
+    dir = grading_result_dir(user_name,problem_name, submission_id, case_num)
+    result_file_name = "#{dir}/result"
+    if !FileTest.exists?(result_file_name)
+      return {:num => case_num, :msg => 'program did not run'}
+    else
+      results = File.open(result_file_name).readlines
+      run_stat = extract_running_stat(results)
+      output_filename = "#{dir}/output.txt"
+      if FileTest.exists?(output_filename)
+        output_file = true
+        output_size = File.size(output_filename)
+      else
+        output_file = false
+        output_size = 0
+      end
+
+      return {
+        :num => case_num,
+        :msg => results[0],
+        :run_stat => run_stat,
+        :output => output_file,
+        :output_size => output_size
+      }
+    end  
+  end
+  
+  # copied from grader/script/lib/test_request_helper.rb
+  def extract_running_stat(results)
+    running_stat_line = results[-1]
+    
+    # extract exit status line
+    run_stat = ""
+    if !(/[Cc]orrect/.match(results[0]))
+      run_stat = results[0].chomp
+    else
+      run_stat = 'Program exited normally'
+    end
+    
+    logger.info "Stat line: #{running_stat_line}"
+
+    # extract running time
+    if res = /r(.*)u(.*)s/.match(running_stat_line)
+      seconds = (res[1].to_f + res[2].to_f)
+      time_stat = "Time used: #{seconds} sec."
+    else
+      seconds = nil
+      time_stat = "Time used: n/a sec."
+    end
+    
+    # extract memory usage
+    if res = /s(.*)m/.match(running_stat_line)
+      memory_used = res[1].to_i
+    else
+      memory_used = -1
+    end
+    
+    return {
+      :msg => "#{run_stat}\n#{time_stat}",
+      :running_time => seconds,
+      :exit_status => run_stat,
+      :memory_usage => memory_used
+    }
+  end
+
 end
 
diff --git a/app/models/configuration.rb b/app/models/configuration.rb
--- a/app/models/configuration.rb
+++ b/app/models/configuration.rb
@@ -1,3 +1,5 @@
+require 'yaml'
+
 #
 # This class also contains various login of the system.
 #
@@ -6,6 +8,7 @@
   SYSTEM_MODE_CONF_KEY = 'system.mode'
 
   @@configurations = nil
+  @@task_grading_info = nil
 
   def self.get(key)
     if @@configurations == nil
@@ -47,6 +50,10 @@
     return true
   end
 
+  def self.show_grading_result
+    return (get(SYSTEM_MODE_CONF_KEY)=='analysis')
+  end
+
   def self.allow_test_request(user)
     mode = get(SYSTEM_MODE_CONF_KEY)
     if (mode=='contest') 
@@ -55,6 +62,13 @@
     return false if mode=='analysis'
     return true
   end
+
+  def self.task_grading_info
+    if @@task_grading_info==nil
+      read_grading_info
+    end
+    return @@task_grading_info
+  end
   
   protected
   def self.read_config
@@ -74,5 +88,11 @@
       end
     end
   end
+
+  def self.read_grading_info
+    f = File.open(TASK_GRADING_INFO_FILENAME)
+    @@task_grading_info = YAML.load(f)
+    f.close
+  end
   
 end
diff --git a/app/views/main/_submission_short.html.haml b/app/views/main/_submission_short.html.haml
--- a/app/views/main/_submission_short.html.haml
+++ b/app/views/main/_submission_short.html.haml
@@ -12,9 +12,12 @@
     %tt
       = submission.grader_comment
     = "]"
+    - if Configuration.show_grading_result
+      = " | "
+      = link_to '[detailed result]', :action => 'result', :id => submission.id
     = " | "
     = link_to('[msg]', {:action => 'compiler_msg', :id => submission.id}, {:popup => true})
   = " | "
-  = link_to('[source]',{:action => 'source', :id => submission.id})
+  = link_to('[src]',{:action => 'source', :id => submission.id})
   = " | "
   = link_to '[submissions]', :action => 'submission', :id => problem_name
diff --git a/app/views/main/_test_case_result.html.haml b/app/views/main/_test_case_result.html.haml
new file mode 100644
--- /dev/null
+++ b/app/views/main/_test_case_result.html.haml
@@ -0,0 +1,18 @@
+%td
+  = test_case[:num]
+%td{:style => 'padding-left: 5px; padding-right: 5px'}
+  = test_case[:msg]
+- if test_case[:run_stat]!=nil
+  %td{:style => 'padding-left: 5px; padding-right: 5px'}
+    = test_case[:run_stat][:exit_status]
+  %td{:style => 'padding-left: 5px; padding-right: 3px; text-align: center'}
+    = test_case[:run_stat][:running_time]
+  %td{:style => 'padding-left: 5px; padding-right: 10px; text-align: right'}
+    = number_with_delimiter(test_case[:run_stat][:memory_usage])
+  %td{:style => 'padding-left: 5px; padding-right: 5px'}
+    = link_to "output (#{number_to_human_size(test_case[:output_size])})", :action => 'load_output', :id => @submission.id, :num => test_case[:num] if test_case[:output]    
+- else
+  %td
+  %td
+  %td
+  %td
diff --git a/app/views/main/result.html.haml b/app/views/main/result.html.haml
new file mode 100644
--- /dev/null
+++ b/app/views/main/result.html.haml
@@ -0,0 +1,41 @@
+= user_title_bar(@user)
+
+%h2 
+  Grading Result for Task
+  = @submission.problem.full_name
+
+%p
+  = "Submission: #{@submission.number}"
+  %br/
+  = "Submitted at: #{format_short_time(@submission.submitted_at)}"
+  %br/
+  = "Graded at #{format_short_time(@submission.graded_at)} "
+  %br/
+  = "score: #{(@submission.points*100/@submission.problem.full_score).to_i} " if Configuration['ui.show_score']
+  = " ["
+  %tt
+    = @submission.grader_comment
+  = "]"
+
+%table.info
+  %tr.info-head
+    %th Runs
+    %th Cases
+    %th Result
+    %th Exit
+    %th Time (s)
+    %th Memory (KB)
+    %th Output
+  - r = 0
+  - @test_runs.each do |test_run|
+    - r += 1
+    - case_count = test_run.length
+    - first_case = true
+    - test_run.each do |test_case|
+      %tr{:class => ((r%2==0) ? "info-even" : "info-odd")}
+        - if first_case
+          %td{:rowspan => case_count}
+            = r
+          - first_case = false
+        = render :partial => 'test_case_result', :locals => {:test_case => test_case}
+
diff --git a/app/views/tasks/list.html.erb b/app/views/tasks/list.html.erb
--- a/app/views/tasks/list.html.erb
+++ b/app/views/tasks/list.html.erb
@@ -64,6 +64,23 @@
 	<a href="/tasks/view/dna-mo.pdf">Macao, China</a>&nbsp;&nbsp;
 	<a href="/tasks/view/dna-th.pdf">Thailand</a>
       </p>
+
+      <p> <b>Test data</b> for all tasks: 
+        <a href="/files/testdata/all.zip">.zip</a>
+        <a href="/files/testdata/all.tgz">.tgz</a><br/>
+        <b>Beads:</b>
+        <a href="/files/testdata/beads.zip">.zip</a>
+        <a href="/files/testdata/beads.tgz">.tgz</a>&nbsp;&nbsp;
+        <b>Roads:</b>
+        <a href="/files/testdata/roads.zip">.zip</a>
+        <a href="/files/testdata/roads.tgz">.tgz</a>&nbsp;&nbsp;
+        <b>DNA:</b>
+        <a href="/files/testdata/dna.zip">.zip</a>
+        <a href="/files/testdata/dna.tgz">.tgz</a><br/>
+        <b>Notes:</b><br/>
+        &nbsp;&nbsp;<i>Beads.</i> The zip files contain the testing library that also outputs some magic numbers to verify the correct usage of the library.  Files <tt>questions-*.txt</tt> are also prefixed with fake data.<br/>
+        &nbsp;&nbsp;<i>Roads.</i> The zip files contain <tt>verify.cpp</tt> that checks the output.
+      </p>
     </td>
   </tr>