Hello! I'm happy to announce XX Open Cup. Grand Prix of Korea.

• Contest link: http://official.contest.yandex.ru/opencupXX/contest/14556/enter (Only visible for users with OpenCup login)
• Contest time: 2019/10/13 Sunday, 17:00 Korea Standard Time (UTC+9).
• Problemsetters: ainta, Cauchy_Function, jh05013, ko_osaga, kriii, .o.. Thank you!
• Testers: All problemsetters, kdh9949, Konijntje, jqdai0815, tzuyu_chou, xiaowuc1, chenjb. Thank you!

List of relevant previous contests:

• XVIII Open Cup. GP of Korea
• KAIST RUN Spring Contest 2018
• XIX Open Cup. GP of Korea
• XIX Open Cup. GP of Daejeon

Enjoy!