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Stepan_Semchuk
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Stefan
Stepan_Semchuk
Ukraine
Ukraine
Joined Nov 8, 2023
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Problems96
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Stepan_Semchuk has joined contest UOI 2025, Day 16 months ago
Stepan_Semchuk solved problem Good Dish (#11841) on 3 attempt6 months ago
Stepan_Semchuk has joined contest Multi-subject Olympiad "Kvanta-2025"6 months ago
Stepan_Semchuk solved problem The number of ones (#44) on first attempt7 months ago
Stepan_Semchuk solved problem Mouse and corns (#15) on 5 attempt1 year ago
Stepan_Semchuk solved problem Competitors’ quantity of the Olympiad (#43) on 4 attempt1 year ago
Stepan_Semchuk solved problem Unhappy Bus (#247) on first attempt1 year ago
Stepan_Semchuk solved problem All OK (#8931) on 3 attempt1 year ago
Stepan_Semchuk solved problem Professor and batteries (#9406) on first attempt2 years ago
Stepan_Semchuk solved problem Professor and balloons (#9405) on first attempt2 years ago
Stepan_Semchuk solved problem Opposite number (#8807) on 3 attempt2 years ago
Stepan_Semchuk solved problem School Olympiad (#6272) on first attempt2 years ago
Stepan_Semchuk solved problem Diagonals (#942) on first attempt2 years ago
Stepan_Semchuk solved problem Number of odd digits (#8889) on first attempt2 years ago
Stepan_Semchuk solved problem Third from right (#8602) on first attempt2 years ago
Stepan_Semchuk solved problem Two digits from four digits (#949) on first attempt2 years ago
Stepan_Semchuk solved problem Perimeter of rectangle (#7943) on first attempt2 years ago
Stepan_Semchuk solved problem Sum of two integers (#8804) on 6 attempt2 years ago
Stepan_Semchuk solved problem School concert (#8810) on first attempt2 years ago
Stepan_Semchuk solved problem Tourist (#206) on 2 attempt2 years ago
Stepan_Semchuk solved problem Positive and Negative Numbers (#8895) on first attempt2 years ago
Stepan_Semchuk solved problem None of the two conditions (#8894) on first attempt2 years ago
Stepan_Semchuk solved problem At least one condition out of two (#8892) on first attempt2 years ago
Stepan_Semchuk solved problem Exactly one condition out of two (#8891) on first attempt2 years ago
Stepan_Semchuk solved problem Parity of the number (#8863) on first attempt2 years ago