Contests

Ongoing contests

Contest	Users
April Fools' Day Contest 3seasonal Ends in 10:18:03 Apr 1, 2026, 0:00 - Apr 8, 2026, 0:00 7 days window	190
Bruce's CIW Training Contest 2external Ends in 3 days 04:48:03 Apr 4, 2026, 13:00 - Apr 10, 2026, 18:30 04:00 window	4
Bruce's CCO Training Contest 2external Ends in 5 days 05:18:03 Apr 4, 2026, 13:00 - Apr 12, 2026, 19:00 04:00 window	5

Upcoming contests

There are no scheduled contests at this time.

Past contests

Contest	Users
2022 Central European Olympiad in Informatics Day 2 Mirrormirror Jul 28, 2022, 12:40 - Aug 4, 2022, 0:00 05:00 window	52
2022 Central European Olympiad in Informatics Day 1 Mirrormirror Jul 26, 2022, 15:00 - Aug 2, 2022, 0:00 05:00 window	86
A Math Contest Jul 12, 2022, 0:00 15 days long	461
Another Contest 9 rated Jul 9, 2022, 0:00 - Jul 11, 2022, 0:00 03:00 window	129
Another Random Contest 1 Jun 29, 2022, 0:00 - Jul 3, 2022, 0:00 03:00 window	124
DMOPC '21 June Contest rated dmopc Jun 24, 2022, 0:00 - Jun 28, 2022, 0:00 03:00 window	217
BCI Programming Contest 1 Junior Jun 18, 2022, 0:00 - Jun 22, 2022, 0:00 02:00 window	123
BCI Programming Contest 1 Senior rated Jun 18, 2022, 0:00 - Jun 22, 2022, 0:00 03:00 window	151
Cheerio Contest 1 Junior Division Jun 9, 2022, 15:30 - Jun 10, 2022, 0:00 02:30 window	46
Cheerio Contest 1 Senior Division Jun 9, 2022, 15:30 - Jun 10, 2022, 0:00 02:30 window	43
2022 Canadian Computing Olympiad - Day 2 Mirrormirror May 27, 2022, 15:05 - Jun 7, 2022, 0:00 04:00 window	34
Yet Another Contest 3 rated May 27, 2022, 0:00 - May 31, 2022, 0:00 03:00 window	184
2022 Canadian Computing Olympiad - Day 1 Mirrormirror May 25, 2022, 16:30 - Jun 7, 2022, 0:00 04:00 window	128
SAC '22 Code Challenge 5external May 20, 2022, 0:00 - May 23, 2022, 0:00 02:00 window	65
SAC '22 Code Challenge 5 Juniorexternal May 20, 2022, 0:00 - May 23, 2022, 0:00 02:00 window	75
DMOPC '21 May Contest rated dmopc May 13, 2022, 0:00 - May 17, 2022, 0:00 03:00 window	186
NOI '22 Multi-Provincial Selection Day 1 Mirrorexternalmirror Apr 28, 2022, 0:00 - May 12, 2022, 0:00 04:00 window	71
NOI '22 Multi-Provincial Selection Day 2 Mirrorexternalmirror Apr 28, 2022, 0:00 - May 12, 2022, 0:00 04:00 window	14
DMOPC '21 April Contest rated dmopc Apr 22, 2022, 0:00 - Apr 26, 2022, 0:00 03:00 window	190
COCI '21 Contest 6 Unofficial Mirrormirror Apr 20, 2022, 15:15 - Apr 30, 2022, 0:00 03:00 window	67