Basecamp
    Home
    Problems
    Contests
    Courses
    Rating
    Posts
    Store
    Discord
Stepan_Semchuk
Sign in
Stefan
Stepan_Semchuk
Ukraine
Ukraine
Joined Nov 8, 2023
Achievements (52)
Hello WorldEasy StartTough NutHardmodeBeyond the LimitHalfway ThereSea LionLong Time No AC
OverviewAchievementsPosts
Problems97
Submissions117
Sep
Oct
Nov
Dec
2021
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2022
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2023
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2024
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2025
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2026
Feb
Mar
Apr
May
Jun
Jul
Stepan_Semchuk solved hidden problem on first attempt7 days ago
Stepan_Semchuk has joined contest EJOI 2026 - Day 17 days ago
Stepan_Semchuk has joined contest UOI 2025, Day 19 months ago
Stepan_Semchuk solved problem Good Dish (#11841) on 3 attempt9 months ago
Stepan_Semchuk has joined contest Multi-subject Olympiad "Kvanta-2025"9 months ago
Stepan_Semchuk solved problem The number of ones (#44) on first attempt10 months ago
Stepan_Semchuk solved problem Mouse and corns (#15) on 5 attempt2 years ago
Stepan_Semchuk solved problem Competitors’ quantity of the Olympiad (#43) on 4 attempt2 years ago
Stepan_Semchuk solved problem Unhappy Bus (#247) on first attempt2 years ago
Stepan_Semchuk solved problem All OK (#8931) on 3 attempt2 years 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