diff --git a/import_problem b/import_problem
new file mode 100755
--- /dev/null
+++ b/import_problem
@@ -0,0 +1,89 @@
+#!/usr/bin/ruby
+
+# import_problem:
+#  * creates a directory for a problem in the current directory,
+#  * copy standard scripts
+#  * copy testdata in the old format and create standard testcase config file
+
+require 'erb'
+
+def input_filename(dir,i)
+  "#{dir}/input-#{i}.txt"
+end
+
+def answer_filename(dir,i)
+  "#{dir}/answer-#{i}.txt"
+end
+
+def copy_testcase(importing_test_dir,dir,i)
+  system("cp #{importing_test_dir}/#{i}.in #{input_filename(dir,i)}")
+  system("cp #{importing_test_dir}/#{i}.sol #{answer_filename(dir,i)}")
+end
+
+def process_options(options)
+  i = 3
+  while i<ARGV.length
+    if ARGV[i]=='-t'
+      options[:time_limit] = ARGV[i+1].to_i if ARGV.length>i+1
+      i += 1
+    end
+    if ARGV[i]=='-m'
+      options[:mem_limit] = ARGV[i+1].to_i if ARGV.length>i+1
+      i += 1
+    end
+    i += 1
+  end
+end
+
+GRADER_DIR = "/home/jittat/grader/grader_ng"
+
+# print usage
+if ARGV.length < 3
+  puts "using: import_task problem importing_testcase_dir number_of_testcase [options]"
+  exit(127)
+end
+
+# processing arguments
+problem = ARGV[0]
+testcase_dir = ARGV[1]
+num_testcases = ARGV[2].to_i
+
+options = {:time_limit => 1,  :mem_limit => 16}
+process_options(options)
+
+# start working
+puts "creating directories"
+
+system("mkdir #{problem}")
+system("mkdir #{problem}/script")
+system("mkdir #{problem}/test_cases")
+system("cp #{GRADER_DIR}/std-script/* #{problem}/script")
+
+puts "copying testcases"
+
+1.upto(num_testcases) do |i|
+  system("mkdir #{problem}/test_cases/#{i}")
+  copy_testcase("#{testcase_dir}","#{problem}/test_cases/#{i}",i)
+end
+
+
+# generating all_tests.cfg
+puts "generating testcase config file"
+
+template = %q{
+problem do
+  num_tests <%= num_testcases %>
+  full_score <%= num_testcases*10 %>
+  time_limit_each <%= options[:time_limit] %>
+  mem_limit_each <%= options[:mem_limit] %>
+  score_each 10
+end
+}
+
+all_test_cfg = ERB.new(template)
+
+cfg_file = File.open("#{problem}/test_cases/all_test.cfg","w")
+cfg_file.puts all_test_cfg.result
+cfg_file.close
+
+puts "done"