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innovative_black_628
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Олексій Зайцев
innovative_black_628
Explorer
Joined Mar 29, 2026
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1005
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innovative_black_628 solved problem Sequence (#1083) on first attempt1 month ago
innovative_black_628 solved problem Perfect square (#8877) on first attempt1 month ago
innovative_black_628 solved problem Sum and amount (#8684) on first attempt1 month ago
innovative_black_628 has completed the contest Blitz Round #17 and scored 50 points1 month ago
innovative_black_628 solved problem 67 in 2026? (#12418) on first attempt1 month ago
innovative_black_628 has joined contest Educational Round #101 month ago
innovative_black_628 has joined contest Blitz Round #171 month ago
innovative_black_628 has joined contest KNU Student Olympiad 2026, 1 stage (Mirror) 1 month ago
innovative_black_628 solved problem ..... (#12388) on 2 attempt2 months ago
innovative_black_628 solved problem Degree of symmetry (#19) on first attempt2 months ago
innovative_black_628 solved problem The Ticket Chase (#14) on first attempt2 months ago
innovative_black_628 solved problem Simple problem (#1) on first attempt2 months ago
innovative_black_628 solved problem Weighing (#1993) on first attempt2 months ago
innovative_black_628 has joined contest Eolymp April Fools #12 months ago