Hello! I'm happy to announce XXI Open Cup. Grand Prix of Suwon. Gyeonggi Science High School is located in Suwon, Korea.

This contest was used as a Day 9 Contest from Petrozavodsk Winter 2021 Camp.

• Enter contest
• Contest time: 2021/02/21 Sunday, 17:00 Korea Standard Time (UTC+9). For external accounts, the contest is ready now.
• Problemsetters: mo_onrabbit2, Worteltje, GyojunYoun, ko_osaga, queued_q, rdd6584
• Codeforces Gym

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
• XX Open Cup. GP of Korea
• XXI Open Cup. GP of Korea

Enjoy!