Announcing HAMMERWARS 2025!

The Competitive Programmers Union at Purdue University is hosting its 4th HammerWars programming contest on Nov/16/2025 21:30 (Moscow time), now with an online division!

The contest will be a full 5 hours and hosted on DOMJudge. The online division will be held under mostly Codeforces rules in teams of at most 3 (more details on site). Massive thanks to our sponsors Hudson River Trading and Roblox for making this event possible.

We'll have 12 problems with 3 extra easy versions, featuring BucketPotato, Zhtluo, canine, shcal, MunirKP and RobertYL as authors, help from fishy15, arvindr9 and eggag32, and a cameo by golomb in the statements and actual contest as himself.

Register here!

Let us know in the comments or Competitive Programmers Union Discord if you encounter any issues or have questions.

Learn about HammerWars at www.hammerwars.win and the Competitive Programmers Union at purduecpu.com.