April Fools Contest
Welcome!
Welcome to the April Fools Contest for 2026!
The contest ended at 8:45 p.m. AEST on Tuesday 7th April. No further official submissions will be accepted.
If you have any questions, feel free to contact us!
Announcement
8:05:31 p.m.
Late submissions have been enabled. This means that you can attempt the problems without your score contributing to the leaderboard. Thanks for participating!
Announcement
12:16:36 a.m.
Not April here, the data for the idiot sort has been fixed. all significant submissions have been rejudged
Announcement
3:10:21 p.m.
April here. I am here to fool you. Some problem statements have been updated.