user475009

Оксана Мельник

user475009

Joined Aug 14, 2025

Overview

Problems49

Submissions77

Mar

Apr

May

Jun

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

user475009 solved problem Sakurako's Pet (#388) on 6 attempt1 month ago

user475009 solved problem Chocolate Bar (#387) on 3 attempt1 month ago

user475009 solved problem Arithmetic Mean (#386) on first attempt1 month ago

user475009 solved problem Rook (#385) on first attempt1 month ago

user475009 has joined contest UJGOI 2025. Vidbir. Day 31 month ago

user475009 solved problem Colorful String (#249) on first attempt3 months ago

user475009 solved problem Grandchildren (#247) on first attempt3 months ago

user475009 solved problem Parallelepiped (#246) on first attempt3 months ago

user475009 has joined contest UJGOI 2024. Vidbir. Day 13 months ago

user475009 solved problem Christmas Eve (#365) on 3 attempt3 months ago

user475009 solved problem Successful Investor (#364) on 2 attempt3 months ago

user475009 solved problem Sakurako's Not Favorite Toy (#363) on 13 attempt3 months ago

user475009 solved problem Sakurako's Favorite Toy (#362) on first attempt3 months ago

user475009 solved problem Coordinates (#361) on first attempt3 months ago

user475009 solved problem Rook (#360) on first attempt3 months ago

user475009 has joined contest UJGOI 2025. Vidbir. Day 13 months ago

user475009 solved problem Конструктор (#472) on first attempt4 months ago

user475009 solved problem Матричка (#470) on 4 attempt4 months ago

user475009 solved problem Прямокутник (#468) on first attempt4 months ago

user475009 solved problem Борги (#467) on first attempt4 months ago

user475009 solved problem Дивний сон (#474) on 2 attempt4 months ago

user475009 solved problem Мобільна гра (#475) on 3 attempt4 months ago

user475009 has joined contest UOI 2026. I stage4 months ago

user475009 solved hidden problem on 3 attempt4 months ago

user475009 solved hidden problem on 6 attempt4 months ago