3 ms·If you want to do well on GCJ, practice GCJ. All the past contests are online.by jholman 11y agoIf you want to do well on GCJ, practice GCJ. All the past contests are online.nxzero 11y agohttp://code.google.com/codejam/contests.html http://code.google.com/codejam/contests.htmlmrupvote 11y agoYou're right.