**Update 2019/11/07.** The contest is now in [Gym](https://mirror.codeforces.com/gym/102391). Thanks to [user:MikeMirzayanov,2019-11-07] for uploading it. Have fun!↵
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Hello! I'm happy to announce XX Open Cup. Grand Prix of Korea.↵
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* Contest link: [http://official.contest.yandex.ru/opencupXX/contest/14556/enter](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: [user:ainta,2019-10-12], [user:Cauchy_Function,2019-10-12], [user:jh05013,2019-10-12], [user:ko_osaga,2019-10-12], [user:kriii,2019-10-12], [user:.o.,2019-10-12]. Thank you!↵
* Testers: All problemsetters, [user:kdh_9949,2019-10-12], [user:InuyamaAoi,2019-10-12], [user:wxhtxdy,2019-10-12], [user:tzuyu_chou,2019-10-12], [user:xiaowuc1,2019-10-12], [user:chenjb,2019-10-12]. Thank you!↵
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List of relevant previous contests:↵
↵
* [XVIII Open Cup. GP of Korea](https://mirror.codeforces.com/blog/entry/57528)↵
* [KAIST RUN Spring Contest 2018](https://mirror.codeforces.com/blog/entry/59625)↵
* [XIX Open Cup. GP of Korea](https://mirror.codeforces.com/blog/entry/62435)↵
* [XIX Open Cup. GP of Daejeon](https://mirror.codeforces.com/blog/entry/66883)↵
↵
Enjoy!↵
↵
Hello! I'm happy to announce XX Open Cup. Grand Prix of Korea.↵
↵
* Contest link: [http://official.contest.yandex.ru/opencupXX/contest/14556/enter](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: [user:ainta,2019-10-12], [user:Cauchy_Function,2019-10-12], [user:jh05013,2019-10-12], [user:ko_osaga,2019-10-12], [user:kriii,2019-10-12], [user:.o.,2019-10-12]. Thank you!↵
* Testers: All problemsetters, [user:kdh_9949,2019-10-12], [user:InuyamaAoi,2019-10-12], [user:wxhtxdy,2019-10-12], [user:tzuyu_chou,2019-10-12], [user:xiaowuc1,2019-10-12], [user:chenjb,2019-10-12]. Thank you!↵
↵
List of relevant previous contests:↵
↵
* [XVIII Open Cup. GP of Korea](https://mirror.codeforces.com/blog/entry/57528)↵
* [KAIST RUN Spring Contest 2018](https://mirror.codeforces.com/blog/entry/59625)↵
* [XIX Open Cup. GP of Korea](https://mirror.codeforces.com/blog/entry/62435)↵
* [XIX Open Cup. GP of Daejeon](https://mirror.codeforces.com/blog/entry/66883)↵
↵
Enjoy!↵