Basecamp
    Галоўная
    Задачы
    Спаборніцтвы
    Курсы
    Рэйтынг
    Допісы
    Крама
    Discord
chyckchyryk
Sign in
Roman Derkach
chyckchyryk
Candidate
Ukraine
Ukraine
Joined Aug 8, 2025
Achievements (52)
Hello WorldEasy StartTough NutHardmodeBeyond the LimitHalfway ThereBy a whiskerProblem SolverProblem Solver 2Sea LionSnake TamerPhoto Finish
OverviewRatingAchievementsPosts
Rating
1764
Problems222
Submissions301
вер
кас
ліс
сне
2021
лют
сак
кра
май
чэр
ліп
жні
вер
кас
ліс
сне
2022
лют
сак
кра
май
чэр
ліп
жні
вер
кас
ліс
сне
2023
лют
сак
кра
май
чэр
ліп
жні
вер
кас
ліс
сне
2024
лют
сак
кра
май
чэр
ліп
жні
вер
кас
ліс
сне
2025
лют
сак
кра
май
чэр
ліп
жні
вер
кас
ліс
сне
2026
лют
сак
кра
май
чэр
ліп

Rating evolution

chyckchyryk has completed the contest Weekend Practice #25 and scored no score3 дні таму
chyckchyryk has joined contest Weekend Practice #254 дні таму
chyckchyryk earned achievement Specialist15 дзён таму
chyckchyryk earned achievement Student15 дзён таму
chyckchyryk earned achievement Explorer15 дзён таму
chyckchyryk earned achievement Photo Finish15 дзён таму
chyckchyryk has completed the contest Blitz Round #22 and scored no score1 месяц таму
chyckchyryk has joined contest Blitz Round #221 месяц таму
chyckchyryk has joined contest KPI Open 20261 месяц таму
chyckchyryk has completed the contest Blitz Round #21 and scored 575 points2 месяцы таму
chyckchyryk solved problem Duel of Frequencies (#12467) on first attempt2 месяцы таму
chyckchyryk solved problem Echoes of the Square (#12468) on first attempt2 месяцы таму
chyckchyryk solved problem The Glitchy Robot (#12466) on first attempt2 месяцы таму
chyckchyryk solved problem The Efficient Steps (#12465) on first attempt2 месяцы таму
chyckchyryk has joined contest Blitz Round #212 месяцы таму
chyckchyryk has completed the contest Blitz Round #20 and scored no score3 месяцы таму
chyckchyryk has joined contest Blitz Round #203 месяцы таму
chyckchyryk has joined contest UOI 2026. Day 23 месяцы таму
chyckchyryk has completed the contest Blitz Round #19 and scored no score3 месяцы таму
chyckchyryk has joined contest Blitz Round #193 месяцы таму
chyckchyryk has completed the contest Blitz Round #18 and scored 700 points4 месяцы таму
chyckchyryk solved problem Nasser's OR Removal (#12433) on first attempt4 месяцы таму
chyckchyryk solved problem Rufo's massive (#12430) on 5 attempt4 месяцы таму
chyckchyryk solved problem Nasser's Prime Slices (#12432) on 5 attempt4 месяцы таму
chyckchyryk has joined contest Blitz Round #184 месяцы таму