Contests

Ongoing contests

Contest	Users
April Fools' Day Contest 3seasonal Ends in 11:58:17 Apr 1, 2026, 0:00 - Apr 8, 2026, 0:00 7 days window	190
Bruce's CIW Training Contest 2external Ends in 3 days 06:28:17 Apr 4, 2026, 13:00 - Apr 10, 2026, 18:30 04:00 window	4
Bruce's CCO Training Contest 2external Ends in 5 days 06:58:17 Apr 4, 2026, 13:00 - Apr 12, 2026, 19:00 04:00 window	4

Upcoming contests

There are no scheduled contests at this time.

Past contests

Contest	Users
Yet Another Contest 6 rated Dec 23, 2022, 0:00 - Dec 27, 2022, 0:00 03:00 window	307
WOSS Dual Olympiad 2022 Junior Dec 20, 2022, 15:00 - Dec 24, 2022, 0:00 01:30 window	117
WOSS Dual Olympiad 2022 Senior Dec 20, 2022, 15:00 - Dec 24, 2022, 0:00 01:30 window	78
WOSS Dual Olympiad 2022 Team Round Dec 20, 2022, 15:00 - Dec 24, 2022, 0:00 01:00 window	49
COCI '22 Contest 2 Unofficial Mirrormirror Dec 14, 2022, 11:30 - Dec 28, 2022, 0:00 03:00 window	115
2022 Bayview Secondary School Programming Contest rated Dec 8, 2022, 0:00 - Dec 13, 2022, 0:00 03:00 window	269
DMOPC '22 November Contest rated dmopc Nov 25, 2022, 0:00 - Nov 29, 2022, 0:00 03:00 window	242
COCI '22 Contest 1 Unofficial Mirrormirror Nov 21, 2022, 12:30 - Dec 5, 2022, 0:00 03:00 window	107
Lyndon's Golf Contest 1 Nov 18, 2022, 0:00 4 days long	163
Halloween Evaluation of Logic and Programming 2022 Oct 31, 2022, 0:00 1 day long	109
Waterloo 2022 Fall Local Unofficial Mirrormirror Oct 25, 2022, 20:10 - Nov 1, 2022, 0:00 03:00 window	81
Yet Another Contest 5 rated Oct 21, 2022, 0:00 - Oct 25, 2022, 0:00 03:00 window	271
SGS Programming Challenge rated Oct 8, 2022, 0:00 - Oct 11, 2022, 0:00 03:00 window	215
DMOPC '22 September Contest rated dmopc Sep 30, 2022, 0:00 - Oct 4, 2022, 0:00 03:00 window	279
An Animal Contest 7 rated Sep 3, 2022, 0:00 - Sep 6, 2022, 0:00 03:00 window	168
China NOI '16 Day 2 Aug 21, 2022, 0:00 - Aug 22, 2022, 0:00 04:00 window	6
China NOI '16 Day 1 Aug 20, 2022, 0:00 - Aug 21, 2022, 0:00 04:00 window	14
2022 International Olympiad in Informatics Day 2 (Mirror)mirror Aug 12, 2022, 9:45 - Aug 22, 2022, 0:00 05:00 window	29
2022 International Olympiad in Informatics Day 1 (Mirror)mirror Aug 10, 2022, 14:45 - Aug 20, 2022, 0:00 05:00 window	82
Yet Another Contest 4 rated Aug 5, 2022, 0:00 - Aug 9, 2022, 0:00 03:00 window	242