Some sketching changes were made to Texoid in order to get LaTeX diagrams with TikZ pictures to render. If there are any errors with LaTeX renders, please report them.
CCOJ now has a new faster judge. It appears to be 30% faster based on submissions to https://ccoj.ca/problem/fwht6, but results vary depending on the problem.
ccoj.cf has been moved to ccoj.ca. All site data has remained intact.
I deserve to be sent to the gulag for not disabling the default admin account.
Welcome to CCOJ!