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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 attempt18 days ago
Lev_ruban1 solved hidden problem on 6 attempt19 days ago
Lev_ruban1 has joined contest Тренувальний тур I етапу Всеукраїнської олімпіади з інформатики20 days ago
Lev_ruban1 has joined contest Задачі типу B1 month ago
Lev_ruban1 solved problem Catamarans (#381) on 2 attempt10 months ago
Lev_ruban1 has joined contest UOI 2025. II stage. Day 210 months ago
Lev_ruban1 solved problem Філателія (#355) on 4 attempt11 months ago
Lev_ruban1 has joined contest UOI 2025. I stage. Kharkiv11 months 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