Welcome to the CTU Open Online Contest 2025! This exciting online contest was opened to the public, it was a parallel contest to CTU Open 2025.

Date:Saturday, November 8th, 2025
Time:10:15 AM - 3:15 PM (CET)
Eligibility:Open to everyone, from beginners to experts
Registration:Self-registration to DOMjudge system. The registration form was opened on Friday, November 7th at 2 PM (CET)
Practise session:Practise session started on Friday, November 7th at 6:20 PM (CET).
Results Problemset