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Artem
chas-_-
Joined Jan 1, 1
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2026
chas-_- solved hidden problem on first attempt11 hours ago
chas-_- solved hidden problem on first attempt11 hours ago
chas-_- has joined contest UOIJ 2026. II stage. Day 211 hours ago
chas-_- has joined contest UOI 2025. I stage9 days ago
chas-_- has joined contest UOI 2024. II stage. Day 29 days ago
chas-_- solved hidden problem on first attempt13 days ago
chas-_- solved hidden problem on 4 attempt13 days ago
chas-_- solved hidden problem on first attempt13 days ago
chas-_- solved hidden problem on first attempt13 days ago
chas-_- has joined contest UOI 2026. II stage. Day 213 days ago
chas-_- solved problem Unenslaved puppy (#188) on 2 attempt2 months ago
chas-_- has joined contest UOI 2023. II stage. Day 22 months ago
chas-_- has joined contest Тренувальний тур II етапу Всеукраїнської олімпіади з інформатики3 months ago
chas-_- has joined contest UOI 2025. II stage. Day 13 months ago
chas-_- has joined contest UOI 2019. II stage. Day 23 months ago
chas-_- has joined contest UOI 2019. II stage. Day 13 months ago
chas-_- solved problem Таємниця (#473) on 4 attempt3 months ago
chas-_- solved problem Множини (#476) on 2 attempt3 months ago
chas-_- has joined contest UOIJ 2026. I stage3 months ago
chas-_- solved problem Виставка (#477) on 10 attempt3 months ago
chas-_- has joined contest UOI 2026. I stage3 months ago
chas-_- has joined contest UOI 2025. Day 14 months ago
chas-_- solved problem Iзоморфнi рядки (#90) on first attempt4 months ago
chas-_- has joined contest UOI 2023. I stage. Kharkiv4 months ago
chas-_- has joined contest UOI 2023. I stage. Khmelnytskyi4 months ago