Codeforces Round #467 (Div. 1) and Codeforces Round #467 (Div. 2) will take place on February, 25 at 14:35 UTC. Most of the problems are Innopolis Open Olympiad in Informatics problemset. We ask olympiad participants not to take part in Codeforces rounds and not to discuss the problems till the end of the rounds.
Problems were prepared by: niyaznigmatul, pashka, gritukan, VArtem, burakov28, BudAlNik, YakutovDmitriy, dusja.ds, GreenGrape, tourist. We thank testers: demon1999, senek_k, the_art_of_war, Qrort, ayoyia, izban и julsa.