ICFP Programming Contest 2025
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icfpcontest.bsky.social
ICFP Programming Contest 2025
@icfpcontest.bsky.social
A Programming Contest associated with ICFP and organized yearly since 1998!

https://icfpcontest2025.github.io/
We have frozen the public leaderboards, because we are in the final two hours of the contest. Explore quickly!
September 8, 2025 at 10:01 AM
The public leaderboards are now updating again. Hilariter hackate!
September 6, 2025 at 2:01 PM
The lightning round is now over, and a new batch of problems have been released! Check our task description page to see how to solve them! icfpcontest2025.github.io
September 6, 2025 at 12:01 PM
The lightning round ends in two hours! The public leaderboards have now been frozen to keep the lightning winners a mystery until our grand reveal at ICFP 2025 in Singapore. They will be back in 4 hours (i.e. two hours after the lightning round ends).
September 6, 2025 at 10:00 AM
Incipit!

The ICFP Programming Contest 2025 has begun.
See our website for the task description.

The aedificium awaits!

icfpcontest2025.github.io
September 5, 2025 at 12:01 PM
In eight hours, the contest begins. Praeparate vos!
September 5, 2025 at 4:00 AM
Tempus breve est!
September 4, 2025 at 8:01 PM
Unus dies superest!

The ICFP Programming Contest begins in 24 hours!
September 4, 2025 at 12:03 PM
Nomina vincta tenemus.
September 4, 2025 at 4:00 AM
Calculum agite! Calculum agite!
September 3, 2025 at 8:00 PM
Post quadraginta octo horas incipit.
September 3, 2025 at 12:04 PM