Hello everyone!
We're excited to announce the IMPACT 2026 Final Mirror, based on the Competitive Programming Final Round of IMPACT 6.0, one of Indonesia's largest annual informatics competitions for high school students.
Whether you're looking for a challenging practice contest, want to test your problem-solving skills, or simply enjoy ICPC-style competitions, we hope you'll join us!
Contest Details:
- Rated: Div. 2 (unrated for Div. 1)
- Contest Link: TLX
- Time: Thursday, July 9, 2026, 14:05 (UTC+7)
- Duration: 150 minutes
- Number of Problems: 7
- Contest Style: ICPC
- Authors: ok.., Yoshiyuki, KindaNameless
- Testers: Zanite, KindaNameless, Chrisedyong, Yey
IMPACT (Informatics, Mathematics, and Physics Annual Competition) is an annual national competition organized by STEI ITB (Institut Teknologi Bandung) for high school students across Indonesia.
This mirror features the exact problems used in the Competitive Programming Final Round of IMPACT 6.0, giving everyone the opportunity to experience the same set of challenges faced by the finalists.
We hope to see many of you in the contest. Good luck, have fun, and enjoy the problems!








Auto comment: topic has been updated by prabowo (previous revision, new revision, compare).
Where is the upper bound of Div2?
It's until 1999. You can check the details here: https://tlx.toki.id/ranking/rating-system
Thank you for participating the mirror contest. The editorial has been published at the contest page. Hope you had a lot of fun solving the problems!