Basecamp
    Home
    Problems
    Contests
    Courses
    Rating
    Posts
    Store
    Discord
Petrusenko
Sign in
Illia
Petrusenko
Ukraine
Ukraine
Joined Oct 29, 2025
OverviewPosts
Problems66
Submissions117
Jul
Aug
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
Petrusenko has joined contest UOI 2026. Day 127 days ago
Petrusenko solved hidden problem on first attempt27 days ago
Petrusenko has joined contest UOI 2026. Day 227 days ago
Petrusenko solved problem Square (#7757) on 7 attempt2 months ago
Petrusenko solved problem Testing System (#4416) on first attempt2 months ago
Petrusenko solved problem Sequence (#1083) on first attempt2 months ago
Petrusenko solved problem Sum of squares Cnk (#11271) on first attempt2 months ago
Petrusenko solved problem Perfect square (#8877) on 3 attempt2 months ago
Petrusenko solved problem Sum and amount (#8684) on first attempt2 months ago
Petrusenko has joined contest Educational Round #102 months ago
Petrusenko solved problem The sum (#2307) on 6 attempt2 months ago
Petrusenko has joined contest Eolymp April Fools #12 months ago
Petrusenko solved problem Range Variation Query (#695) on 34 attempt3 months ago
Petrusenko solved problem Time for Nicholas (#514) on 10 attempt3 months ago
Petrusenko solved problem Third from right (#8602) on first attempt3 months ago
Petrusenko solved problem Two digits from four digits (#949) on first attempt3 months ago
Petrusenko solved problem Perimeter of rectangle (#7943) on first attempt3 months ago
Petrusenko solved problem Simple problem (#1) on first attempt3 months ago
Petrusenko solved problem School concert (#8810) on 2 attempt3 months ago
Petrusenko solved problem Sum of two integers (#8804) on 2 attempt3 months ago
Petrusenko solved problem Hello World! (#1024) on first attempt3 months ago
Petrusenko solved problem Hotels Along the Croatian Coast (#10682) on 4 attempt4 months ago
Petrusenko solved problem Stepan and pairs (#4283) on 9 attempt4 months ago
Petrusenko solved problem Calculator (#1427) on first attempt4 months ago
Petrusenko solved problem Number of toys (#927) on first attempt4 months ago