Important Problem Announcements

Please make good use of the problem tag function to find problems.

It is recommended to solve all trial problems (currently $15$ in total) before starting to work on the problems.

Sleeping Cup currently supports $6$ types of problems; for details, please refer to the trial problems.

Generally speaking, all original problems on this website require file reading and writing.

You can download the test data for our original problems from Sleeping Cup's Test Cases.

Unless otherwise specified, all problems in the Sleeping Cup competition have subtasks and subtask dependencies enabled.

Subtask $0$ in all problems is an ungraded sample that is dependent on by all other subtasks.

For all questions related to problems, please contact cq_irritater or 035966_L3.

For all questions related to Long Long OJ, please additionally contact Murasame.

For all questions related to CTFPC, please additionally contact 2058_lunar_fall.

For official problems, please download the contestant files using links in the following format:

/p/P68/file/code3.in?type=additional_file

Certification

This section of content is automatically submitted by a script, please do not submit it manually.

Email Unsubscription / Email Subscription

The link above lists all email addresses currently receiving system emails.

Please submit the text Email Unsubscription to this problem to cancel receiving system emails.

If you regret canceling the receipt of system emails, please submit the text Email Subscription to this problem to resume receiving system emails.

Delete Account

Please submit the text Delete Account to this problem to delete your account.

Upon receiving your application, we will delete (ban) your account as soon as possible.

Deleted accounts will automatically stop receiving system emails.