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Lev_ruban1
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Lev_Ruban
Lev_ruban1
Ukraine
Ukraine
Joined Jan 1, 1
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Lev_ruban1 solved hidden problem on 2 attempt3 months ago
Lev_ruban1 solved hidden problem on 6 attempt3 months ago
Lev_ruban1 has joined contest Тренувальний тур I етапу Всеукраїнської олімпіади з інформатики3 months ago
Lev_ruban1 has joined contest Задачі типу B3 months ago
Lev_ruban1 solved problem Catamarans (#381) on 2 attempt12 months ago
Lev_ruban1 has joined contest UOI 2025. II stage. Day 212 months ago
Lev_ruban1 solved problem Філателія (#355) on 4 attempt1 year ago
Lev_ruban1 has joined contest UOI 2025. I stage. Kharkiv1 year ago
Lev_ruban1 has joined contest UOI 2024. II stage. Day 11 year ago
Lev_ruban1 has joined contest UOI 2013. II stage. Day 12 years ago