Hi, Codeforces!↵
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At [contest_time:1100] will start [contest:1100]. Round will be rated for second division (rating below 2100). As usual, participants from the first division can participate in a contest out of competition.↵
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The round will consist of 6 problems and you will be given two hours to solve them.↵
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Task prepared by me, [user:den2204,2019-01-12].↵
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Thanks [user:MikeMirzayanov,2019-01-12] for the platform Codeforces, [user:KAN,2019-01-12] for round coordination and help with preparation. Thanks [user:gritukan,2019-01-12], [user:Andreikkaa,2019-01-12], [user:flyrise,2019-01-12], [user:Um_nik,2019-01-12], [user:Aleks5d,2019-01-12] and [user:osaaateiasavtnl.,2019-01-12] for help with preparation and testing round, [user:arsor,2019-01-12] for translating statements into English, [user:arsijo,2019-01-12] for assistance in conducting the round. Thanks [user:Andreikkaa,2019-01-12] for the idea of the problem E.↵
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Good luck!↵
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P.S. It is my first round on Codeforces, please, do not judge strictly :)↵
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**UPD:** Added editorial. Thank you all for participating and for the feedback on the contest. I apologize for the leap in complexity between tasks and for weak pretests for some tasks, I’ll take this into account when further preparing contests. ↵
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[tutorial: 1100A]
↵
At [contest_time:1100] will start [contest:1100]. Round will be rated for second division (rating below 2100). As usual, participants from the first division can participate in a contest out of competition.↵
↵
The round will consist of 6 problems and you will be given two hours to solve them.↵
↵
Task prepared by me, [user:den2204,2019-01-12].↵
↵
Thanks [user:MikeMirzayanov,2019-01-12] for the platform Codeforces, [user:KAN,2019-01-12] for round coordination and help with preparation. Thanks [user:gritukan,2019-01-12], [user:Andreikkaa,2019-01-12], [user:flyrise,2019-01-12], [user:Um_nik,2019-01-12], [user:Aleks5d,2019-01-12] and [user:osaaateiasavtnl.,2019-01-12] for help with preparation and testing round, [user:arsor,2019-01-12] for translating statements into English, [user:arsijo,2019-01-12] for assistance in conducting the round. Thanks [user:Andreikkaa,2019-01-12] for the idea of the problem E.↵
↵
Good luck!↵
↵
P.S. It is my first round on Codeforces, please, do not judge strictly :)↵
↵
**UPD:** Added editorial. Thank you all for participating and for the feedback on the contest. I apologize for the leap in complexity between tasks and for weak pretests for some tasks, I’ll take this into account when further preparing contests. ↵
↵
[tutorial: 1100A]
