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lucid_becquerel_800
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Сергій Федорович Пиринець
lucid_becquerel_800
Joined Nov 5, 2025
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lucid_becquerel_800 solved problem Sequence (#1083) on first attempt19 days ago
lucid_becquerel_800 solved problem Sum of squares Cnk (#11271) on first attempt19 days ago
lucid_becquerel_800 solved problem Perfect square (#8877) on first attempt19 days ago
lucid_becquerel_800 solved problem Sum and amount (#8684) on first attempt19 days ago
lucid_becquerel_800 has joined contest Educational Round #1019 days ago
lucid_becquerel_800 solved problem The number of ones (#44) on first attempt5 months ago
lucid_becquerel_800 solved problem Steps - Number of Ways (#8234) on first attempt6 months ago