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k2020
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Oleh Chumachenko
k2020
Joined Jan 1, 1
Overview
Problems33
Submissions44
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k2020 solved problem Мобільна гра (#475) on first attempt4 days ago
k2020 solved problem Дивний сон (#474) on first attempt4 days ago
k2020 solved problem Конструктор (#472) on first attempt4 days ago
k2020 solved problem Матричка (#470) on first attempt4 days ago
k2020 solved problem Прямокутник (#468) on first attempt4 days ago
k2020 solved problem Борги (#467) on first attempt4 days ago
k2020 has joined contest UOI 2026. I stage5 days ago
k2020 solved hidden problem on first attempt11 days ago
k2020 has joined contest UJGOI 2025. Day 125 days ago
k2020 solved problem Координати (#466) on first attempt1 month ago
k2020 solved problem Паралелепіпед (#465) on first attempt1 month ago
k2020 solved problem Grandchildren (#464) on first attempt1 month ago
k2020 solved problem Секунди (#463) on first attempt1 month ago
k2020 solved problem Arithmetic Mean (#462) on first attempt1 month ago
k2020 solved problem Доміно (#461) on first attempt1 month ago
k2020 solved problem Кімната (#460) on first attempt1 month ago
k2020 solved problem Прямокутник (#459) on first attempt1 month ago
k2020 solved problem Анфіса і квіти (#458) on first attempt1 month ago
k2020 solved problem Сир для Анфіси (#457) on first attempt1 month ago
k2020 solved problem Борги (#456) on first attempt1 month ago
k2020 solved problem Тест (#455) on first attempt1 month ago
k2020 solved problem Rook (#454) on first attempt1 month ago
k2020 solved problem Parallelepiped (#453) on first attempt1 month ago
k2020 solved problem Пиріжки (#452) on first attempt1 month ago
k2020 has joined contest Задачі типу B1 month ago