We are awfully sorry to inform you that due to technical difficulties Finals of 15th Challenge24 has to be postponed between 26th and 28th of June.
Thank you for your understanding!
Get ready for the EXTREME challenge!
Challenge24, The International 24-hour Programming Contest, is one of the few contests where participants are free to choose their tools, platforms and programming languages, and problems are presented only using open file formats.
Challenge24 is held every year in Budapest on the last weekend of April or the first weekend of May.
Electronic Contest (EC) is a five online qualification round.
Congratulations to the team HoChockiGon!
- HoChockiGon 3553
- sorry_itmo1 3479
- MLTeam 3219
- Charles_University_Legion 3215
- Moscow_SU_Trinity 3200
- Like_a_heron 3130
28th February 10:00-15:00 (CET)
Problem set: please download the encrypted problem set from one of the mirrors listed here!
Passwords to the zip will be published exactly at 10:00 CET (first on IRC).
Outer password: Eegaema1Eo6a
Inner password: HeiPh8ohv5ph
Preliminary Electronic Contest results
Congratulations to the team epiphallar_caecum!
- 1 epiphallar_caecum 1311 points
- 2 dama_kiraly_asz 1199 points
- 3 ex1t 1085 points
- 4 hungary_for_problems 898 points
- 5 Csolution 897 points
- 6 Charles_University_Legion 873 points
Preliminary Electronic Contest
21st February, 10:00-20:00 CET
Challenge24 and Deadline24
Get ready for TWO EXTREME challenges!
Have you got enough time? The 7th Deadline24 is waiting for you, a day after our Challenge24 Electronic Contest.
Application deadline: 26th February, 2015 (as Challenge24 ;-) ).
Do you like Challenge24? Help us, share this video with your social network!
Are you ready? Register now with your team!
You can register now here
Share the Challenge24 spirit!
Jubilee competition is coming!
The registration is coming soon, but the important dates are ready
We kindly recommend to you to watch this video:
Jubilee Challenge 24 in 2015
We're now announcing the dates of contest days in 2015!
- Preliminary Electronic Contest: February 21st, 2015 (Saturday)
- Electronic Contest: February 28th, 2015 (Saturday)
- Finals: April 23rd to 26th (Thursday to Sunday)