Hello Codeforces!

We are thrilled to invite you to participate in InVariant, an individual competitive programming contest organized as part of the techfest at Scaler School of Technology, Bengaluru.

The contest will be held on Friday, April 24, 2026 at 20:00 (UTC+5:30) on Codeforces.

Contest Details Format: You will be given 6 problems to solve in 2 hours. Note that one of the problems will feature two subtasks.

Interactive Problems: Some problems may be interactive. If you are not familiar with interactive problems, we strongly recommend reading this guide before the round begins.

Authors & Testers

The problemset has been prepared by naresh1, Patilaniruddha, and Krritin.

We would also like to extend our sincere gratitude to our testers: DeadMan69 and Ashwanth.K and jonseagull. Thank you for patiently testing all the problems, giving valuable feedback, and taking the time to ensure everything is well-balanced.

Progression & Offline Finals This online round is eliminatory, and the top performers will be shortlisted for the Offline Finals!

When & Where: The finals will take place on 17 May 2026 at Scaler School of Technology, Bengaluru. It will be a 3-hour individual contest.

Results: The results of the online qualifier will be announced between 25 April and 1 May. Selected participants will be contacted directly via email.

Eligibility: The offline finals are open only to university students. However, the online round is open to everyone, and we highly encourage all of you to participate and give the problems a try!

Registration & Rules To be considered for the offline finals, please make sure to register here.

WhatsApp group link

Fair Play: Please maintain the integrity of the contest. Any plagiarism, code sharing, or use of external help will lead to immediate disqualification.

Good luck, have fun, and see you on the leaderboard!