Hello everyone, this summer at Petrozavodsk was my second ICPC contest, now it will be held as OpenCup round.
XX Open Cup Grand Prix of Kazan takes place on Sunday, September 8, 2019, at 11:00 AM Moscow time
The link to the contest. You need an Open Cup login to participate.
To ensure Codeforces traditions, I will say thanks to the testers Benq, wxhtxdy, whzzt, sunset, TLE, ko_osaga, rushcheyo, jiry_2, gamegame, CauchySheep. Also thanks to izban with help in tasks choosing.
UPD: Now the contest is loaded to the gym!