diff --git a/app/controllers/codejom_controller.rb b/app/controllers/codejom_controller.rb
--- a/app/controllers/codejom_controller.rb
+++ b/app/controllers/codejom_controller.rb
@@ -1,13 +1,37 @@
 class CodejomController < ApplicationController
 
   before_filter :admin_authorization
-  before_filter :authenticate
 
   def index
     @user = User.find(session[:user_id])
     @problems = Problem.find(:all)
-    @available_problems = @problems.find_all {|p| not p.available }
+    @levels = @problems.collect {|p| p.level}.uniq.sort
+    @available_problems = {}
+    @levels.each do |level|
+      @available_problems[level] = []
+    end
+    @problems.find_all {|p| not p.available }.each do |problem|
+      @available_problems[problem.level] << problem
+    end
     @activated_problems = @problems.find_all {|p| p.available }
   end
 
+  def random_problem
+    level = params[:id].to_i
+
+    problems = Problem.unavailable.level(level).all
+    puts problems
+    if problems.length!=0
+      if problems.length != 1
+        problem = problems[rand(problems.length)]
+      else
+        problem = problems[0]
+      end
+      problem.available = true
+      problem.save
+    end
+
+    redirect_to :action => 'index'
+  end
+
 end