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pingvinii
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KH125_Moskalenko
pingvinii
Ukraine
Ukraine
Joined Sep 22, 2025
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pingvinii solved problem Four-digit Armstrong numbers (#8642) on first attempt1 month ago
pingvinii solved problem Olympiad in Hogwarts (#4857) on 4 attempt1 month ago
pingvinii solved problem Egypt (#1265) on 2 attempt1 month ago
pingvinii solved problem Simple problem (#1) on first attempt1 month ago
pingvinii has joined contest Educational Round #11 month ago