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Oleg1999
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Oleg1999
Ukraine
Ukraine
Joined Dec 1, 2023
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Oleg1999 has joined contest UOI 2024. III stage. Day 13 months ago
Oleg1999 solved problem Grandchildren (#369) on first attempt4 months ago
Oleg1999 solved problem Parallelepiped (#368) on first attempt4 months ago
Oleg1999 has joined contest UJGOI 2025. Vidbir. Day 24 months ago
Oleg1999 has joined contest UJGOI 2024. Vidbir. Day 15 months ago
Oleg1999 has joined contest UJGOI 2024. Vidbir. Day 25 months ago