Contests

Ongoing contests

Contest	Users
Olympiads School CCO Training Contest 4external Ends in 1 day 10:12:13 Apr 19, 2024, 0:00 - Apr 21, 2024, 19:00 04:00 window	23

Upcoming contests

Contest
Spring Coding Bowl 2024 Starting in 5 days 15:12:13 Apr 26, 2024, 0:00 - Apr 29, 2024, 0:00 02:00 window

Past contests

Contest	Users ▾
Summer Contest #10 Jul 30, 2020, 0:00 - Aug 10, 2020, 0:00 05:00 window	76
SAC '22 Code Challenge 5 Juniorexternal May 20, 2022, 0:00 - May 23, 2022, 0:00 02:00 window	75
Mock CCO '18 Contest 1, Day 1external Apr 9, 2018, 0:00 - Apr 16, 2018, 0:00 04:00 window	74
DMPG '19 - Silver Division (Open Unofficial Mirror)dmopcmirror Apr 25, 2019, 10:00 - Apr 26, 2019, 10:00 03:00 window	73
The Inaho Contest (The Return)external Jan 11, 2019, 12:00 - Jan 13, 2019, 12:00 03:00 window	73
Mackenzie New Year's Challenge '17externalseasonal Jan 7, 2017, 12:00 1 day 12:00 long	73
Summer Contest #13 Aug 16, 2020, 0:00 - Aug 24, 2020, 0:00 05:00 window	73
WOSS Dual Olympiad 2023 Senior Mirror Jan 14, 2024, 0:00 - Jan 18, 2024, 0:00 01:00 window	73
Summer Contest #3 Jul 15, 2018, 12:00 - Jul 28, 2018, 12:00 01:00 window	72
Back to School '16 rated seasonal Sep 16, 2016, 15:00 - Sep 19, 2016, 0:00 04:00 window	71
2019 International Olympiad in Informatics Day 1 (Mirror)mirror Aug 18, 2019, 12:00 - Sep 21, 2019, 0:00 05:00 window	71
NOI '22 Multi-Provincial Selection Day 1 Mirrorexternalmirror Apr 28, 2022, 0:00 - May 12, 2022, 0:00 04:00 window	71
SAC '22 Code Challenge 4external Mar 11, 2022, 0:00 - Mar 14, 2022, 0:00 02:00 window	71
Mock CCC 2015 (Junior) rated Feb 13, 2015, 0:00 - Feb 13, 2015, 3:00 03:00 window	70
Another Contest 10seasonal Apr 1, 2023, 0:00 1 day long	69
Double Doors Regional rated external Jun 22, 2018, 12:00 - Jun 25, 2018, 0:00 03:00 window	69
COCI '20 Contest 6 Unofficial Mirrormirror Jan 2, 2021, 0:00 - Jan 16, 2022, 0:00 03:00 window	68
VMSS 7 Week Challenge Week 1 Jan 8, 2015, 15:00 7 days long	68
Another Contest 4seasonal Apr 1, 2019, 0:00 1 day long	67
COCI '21 Contest 6 Unofficial Mirrormirror Apr 20, 2022, 15:15 - Apr 30, 2022, 0:00 03:00 window	67