Basecamp
    Home
    Problems
    Contests
    Courses
    Rating
    Posts
    Store
    Discord
Chifwin
Sign in
Oleg Merezhko
Chifwin
International master
Kazakhstan
Kazakhstan
Joined Feb 28, 2022
Achievements (54)
Hello WorldEasy StartTough NutHardmodeBeyond the LimitSea LionPhoto FinishWeekend ParticipantEolymp Cup Participantx3Weekend WinnerExplorerStudent
OverviewRatingAchievements
Rating
1980
Problems7
Submissions9

Rating evolution

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
Aug
Chifwin earned achievement Expert1 month ago
Chifwin earned achievement Specialist1 month ago
Chifwin earned achievement Student1 month ago
Chifwin earned achievement Explorer1 month ago
Chifwin earned achievement Photo Finish1 month ago
Chifwin solved problem Flowers (#11791) on 6 attempt2 years ago
Chifwin solved problem DFS (#11793) on 5 attempt2 years ago
Chifwin solved problem Increasing segments (#11790) on first attempt2 years ago
Chifwin has joined contest Eolymp Cup #42 years ago
Chifwin has joined contest Eolymp Cup #22 years ago
Chifwin has joined contest Weekend Practice #32 years ago
Chifwin has joined contest Eolymp Cup #12 years ago
Chifwin solved problem Interval Less Query (#5084) on first attempt3 years ago