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chas-_-
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Artem
chas-_-
Candidate
Ukraine
Ukraine
Joined Aug 7, 2020
Achievements (52)
Hello WorldEasy StartTough NutHardmodeHalfway ThereBy a whiskerProblem SolverSea LionSnake TamerLong Time No ACPhoto FinishAgainst the Clock
OverviewRatingAchievementsPosts

Rating
1709
Problems170
Submissions240
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2021
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Rating evolution

chas-_- earned achievement Against the Clock12 days ago
chas-_- earned achievement Specialist12 days ago
chas-_- earned achievement Student12 days ago
chas-_- earned achievement Explorer12 days ago
chas-_- earned achievement Photo Finish13 days ago
chas-_- has completed the contest Blitz Round #22 and scored no score29 days ago
chas-_- has joined contest Виток 3, Шаг 1 - Стек1 month ago
chas-_- solved problem Quad (#11854) on first attempt1 month ago
chas-_- solved problem Rooks (#11797) on 2 attempt1 month ago
chas-_- has joined contest Виток 3, Шаг 3 - Множество set и мультимножество multiset1 month ago
chas-_- has joined contest Виток 3, Шаг 4 - Множество и мультимножество1 month ago
chas-_- has joined contest Виток 3, Шаг 4 - Множество set и мультимножество multiset1 month ago
chas-_- has joined contest Blitz Round #191 month ago
chas-_- has joined contest Blitz Round #211 month ago
chas-_- has joined contest Blitz Round #221 month ago
chas-_- solved problem Smallest divisor (#8927) on 5 attempt1 month ago
chas-_- has joined contest EJOI 2025 - Day 22 months ago
chas-_- has joined contest EJOI 2025 - Day 12 months ago
chas-_- solved problem Invert a bit (#5316) on first attempt2 months ago
chas-_- solved problem Set a bit (#5315) on first attempt2 months ago
chas-_- solved problem 2^k + 2^n (#5314) on first attempt2 months ago
chas-_- solved problem Golden sand (#3736) on 3 attempt4 months ago
chas-_- solved problem Knapsack (#4831) on first attempt4 months ago
chas-_- has joined contest Blitz Round #164 months ago
chas-_- has joined contest Blitz Round #174 months ago