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k909mark
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Марк Козир
k909mark
Joined Jan 1, 1
Overview
Problems39
Submissions42
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k909mark solved problem Коробка (#63) on first attempt2 days ago
k909mark solved problem Кава (#62) on 4 attempt2 days ago
k909mark solved problem Тура (#61) on 2 attempt2 days ago
k909mark has joined contest UOI 2022. I stage2 days ago
k909mark solved hidden problem on 6 attempt2 months ago
k909mark solved hidden problem on first attempt2 months ago
k909mark has joined contest Тренувальний тур II етапу Всеукраїнської олімпіади з інформатики2 months ago
k909mark solved problem Family (#375) on first attempt2 months ago
k909mark has joined contest UOI 2025. II stage. Day 12 months ago
k909mark solved problem Мобільна гра (#475) on 10 attempt2 months ago
k909mark solved problem Матричка (#470) on first attempt2 months ago
k909mark has joined contest UOI 2026. I stage2 months ago
k909mark solved problem Check the Calendar! (#240) on 3 attempt3 months ago
k909mark solved problem Miss M and the Flowers (#239) on first attempt3 months ago
k909mark solved problem Bitqoins (#238) on first attempt3 months ago
k909mark has joined contest UOI 2024. I stage3 months ago
k909mark solved problem Coordinates (#361) on first attempt3 months ago
k909mark solved problem Rook (#360) on first attempt3 months ago
k909mark has joined contest UJGOI 2025. Vidbir. Day 13 months ago
k909mark has joined contest UOI 2025. I stage. Kharkiv3 months ago
k909mark has joined contest UJGOI 2023. Vidbir. Day 23 months ago
k909mark solved problem Library (#213) on first attempt3 months ago
k909mark solved problem First books (#212) on 12 attempt3 months ago
k909mark solved problem Debts (#211) on first attempt3 months ago
k909mark has joined contest UJGOI 2023. Vidbir. Day 33 months ago