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leoness77
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Олександр
leoness77
Ukraine
Ukraine
Joined Jan 1, 1
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leoness77 has joined contest UJGOI 2026. Vidbir. Day 28 months ago
leoness77 solved problem Подарунки від Діда Мороза (#145) on first attempt8 months ago
leoness77 solved problem Газон у Потоколяндії (#137) on 8 attempt8 months ago
leoness77 solved problem Tic-Tac-Toe (#268) on first attempt8 months ago
leoness77 has joined contest UOI 2024. II stage. Day 18 months ago
leoness77 solved problem Степан і пари (#11) on first attempt8 months ago
leoness77 solved problem Арифметика (#14) on first attempt8 months ago
leoness77 solved problem A+B=C (#376) on first attempt10 months ago
leoness77 solved problem Телепортацiя (#353) on 7 attempt10 months ago
leoness77 has joined contest UOI 2025. II stage. Day 210 months ago
leoness77 has joined contest UOI 2025. I stage. Kharkiv10 months ago
leoness77 has joined contest UOI 2025. II stage. Day 110 months ago
leoness77 solved problem Sakurako is Late (#348) on 3 attempt10 months ago
leoness77 solved problem П'ятірка (#50) on first attempt10 months ago
leoness77 has joined contest UJGOI 2022. Vidbir. Day 110 months ago
leoness77 has joined contest UOI 2022. I stage10 months ago
leoness77 has joined contest UOI 2015. II stage. Day 110 months ago
leoness77 has joined contest UOI 2013. II stage. Day 110 months ago
leoness77 has joined contest UOI 2017. II stage. Day 110 months ago
leoness77 has joined contest UOI 2025. I stage10 months ago
leoness77 solved hidden problem on first attempt10 months ago
leoness77 solved hidden problem on first attempt10 months ago
leoness77 solved hidden problem on 4 attempt10 months ago
leoness77 solved hidden problem on first attempt10 months ago
leoness77 solved hidden problem on first attempt10 months ago