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Petrusenko
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Illia
Petrusenko
Ukraine
Ukraine
Joined Oct 29, 2025
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Problems24
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Petrusenko solved problem Roman numerals (#7) on 16 attempt1 day ago
Petrusenko solved problem Circles - 2 (#201) on 9 attempt2 days ago
Petrusenko solved problem Black and white (#11123) on 11 attempt2 days ago
Petrusenko solved problem Dogs and monkeys (#8595) on 11 attempt2 days ago
Petrusenko solved problem Spell Matrices (#566) on 9 attempt2 days ago
Petrusenko solved problem Tennis competitions (#1287) on first attempt2 days ago
Petrusenko solved problem Vas`kin track (#1325) on 4 attempt2 days ago
Petrusenko solved problem Fateful Chess Puzzle (#1971) on 39 attempt2 days ago
Petrusenko solved problem Lunch (#1289) on 3 attempt2 days ago
Petrusenko solved problem School canteen (#1286) on first attempt2 days ago
Petrusenko solved problem Numbers with different digits (#9540) on 4 attempt2 days ago
Petrusenko solved problem Bins and balls (#9557) on 15 attempt2 days ago
Petrusenko solved problem Balls and boxes (#9890) on 5 attempt2 days ago
Petrusenko solved problem Two circles (#4) on 75 attempt9 days ago
Petrusenko solved problem Sponsor’s Money (#39) on 2 attempt1 month ago
Petrusenko solved problem The Segments (#46) on 9 attempt1 month ago
Petrusenko solved problem Divide into 2 groups (#11339) on 31 attempt2 months ago
Petrusenko solved problem Olympiad in Hogwarts (#4857) on 6 attempt2 months ago
Petrusenko solved problem Four-digit Armstrong numbers (#8642) on 3 attempt2 months ago
Petrusenko solved problem Egypt (#1265) on 6 attempt2 months ago
Petrusenko has joined contest Educational Round #12 months ago
Petrusenko has joined contest Educational Round #22 months ago
Petrusenko solved problem Saucepans and lids (#7335) on 11 attempt2 months ago
Petrusenko solved problem Taxi (#8352) on first attempt2 months ago
Petrusenko solved problem Number of maximums (#7832) on 2 attempt2 months ago