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oleksii_chyhryn
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Олексій Чигрин
oleksii_chyhryn
Ukraine
Ukraine
Joined Jan 17, 2026
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Problems23
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oleksii_chyhryn has joined contest UJGOI 2025. Day 26 months ago
oleksii_chyhryn solved problem Cracow Sights (#405) on 5 attempt6 months ago
oleksii_chyhryn has joined contest UJGOI 2025. Day 16 months ago
oleksii_chyhryn solved problem Анфіса і квіти (#458) on 3 attempt6 months ago
oleksii_chyhryn solved problem Сир для Анфіси (#457) on 2 attempt6 months ago
oleksii_chyhryn solved problem Кімната (#460) on first attempt6 months ago
oleksii_chyhryn solved problem Прямокутник (#459) on first attempt6 months ago
oleksii_chyhryn solved hidden problem on 6 attempt7 months ago
oleksii_chyhryn solved hidden problem on 3 attempt7 months ago
oleksii_chyhryn solved hidden problem on 4 attempt7 months ago
oleksii_chyhryn solved hidden problem on 3 attempt7 months ago
oleksii_chyhryn solved hidden problem on 3 attempt7 months ago
oleksii_chyhryn solved hidden problem on 2 attempt7 months ago
oleksii_chyhryn solved hidden problem on first attempt7 months ago
oleksii_chyhryn has joined contest Тренувальний тур II етапу Всеукраїнської олімпіади з інформатики7 months ago
oleksii_chyhryn solved problem Координати (#466) on 2 attempt7 months ago
oleksii_chyhryn solved problem Паралелепіпед (#465) on first attempt7 months ago
oleksii_chyhryn solved problem Grandchildren (#464) on first attempt7 months ago
oleksii_chyhryn solved problem Секунди (#463) on first attempt7 months ago
oleksii_chyhryn solved problem Arithmetic Mean (#462) on first attempt7 months ago
oleksii_chyhryn solved problem Доміно (#461) on first attempt7 months ago
oleksii_chyhryn has joined contest Задачі типу B7 months ago
oleksii_chyhryn solved problem Борги (#456) on first attempt7 months ago
oleksii_chyhryn solved problem Тест (#455) on first attempt7 months ago
oleksii_chyhryn solved problem Rook (#454) on first attempt7 months ago