ICSC 2025 Schedule
Important Dates and Deadlines
September 7, 2025
Qualification Round Deadline
Sunday, 23:59 UTC+0
Open to all students. Participation is free.
October 14, 2025
Pre-Final Round Registration Deadline
Tuesday, 23:59 UTC+0
Qualified students. Registration costs 11 EUR. Financial aid is available.
October 16, 2025
Pre-Final Round Problem Release
Thursday, 23:59 UTC+0
Problems become available for qualified participants.
October 19, 2025
Pre-Final Round Deadline
Sunday, 23:59 UTC+0
Four days to complete six complex problems.
November 11, 2025
Final Round Exam
Tuesday, 23:59 UTC+0
Qualified students from the Pre-Final Round. Participation is free.
Competition Process
1
Qualification Round
Five problems covering foundational concepts. Minimum scores: Junior (15 pts), Youth (17 pts), Senior (20 pts).
2
Pre-Final Round
Six complex problems over four days. Minimum scores: Junior (16 pts), Youth (20 pts), Senior (24 pts).
3
Final Round
20 multiple-choice questions with 60 seconds each. Fast-paced online exam determining final rankings.