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k909mark
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Марк Козир
k909mark
Joined Jan 1, 1
Overview
Problems36
Submissions39
2020
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2021
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2022
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2025
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k909mark solved hidden problem on 6 attempt13 hours ago
k909mark solved hidden problem on first attempt14 hours ago
k909mark has joined contest Тренувальний тур II етапу Всеукраїнської олімпіади з інформатики14 hours ago
k909mark solved problem Family (#375) on first attempt10 days ago
k909mark has joined contest UOI 2025. II stage. Day 110 days ago
k909mark solved problem Мобільна гра (#475) on 10 attempt29 days ago
k909mark solved problem Матричка (#470) on first attempt29 days ago
k909mark has joined contest UOI 2026. I stage29 days ago
k909mark solved problem Check the Calendar! (#240) on 3 attempt1 month ago
k909mark solved problem Miss M and the Flowers (#239) on first attempt1 month ago
k909mark solved problem Bitqoins (#238) on first attempt1 month ago
k909mark has joined contest UOI 2024. I stage1 month ago
k909mark solved problem Coordinates (#361) on first attempt1 month ago
k909mark solved problem Rook (#360) on first attempt1 month ago
k909mark has joined contest UJGOI 2025. Vidbir. Day 11 month ago
k909mark has joined contest UOI 2025. I stage. Kharkiv1 month ago
k909mark has joined contest UJGOI 2023. Vidbir. Day 21 month ago
k909mark solved problem Library (#213) on first attempt1 month ago
k909mark solved problem First books (#212) on 12 attempt1 month ago
k909mark solved problem Debts (#211) on first attempt1 month ago
k909mark has joined contest UJGOI 2023. Vidbir. Day 31 month ago
k909mark solved problem Mean arithmetic (#2) on 2 attempt1 month ago
k909mark solved problem Debts (#1) on first attempt1 month ago
k909mark has joined contest UOI 2023. I stage1 month ago
k909mark has joined contest UJGOI 2023. Vidbir. Day 11 month ago