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chas-_-
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Artem
chas-_-
Candidate
Ukraine
Ukraine
Joined Aug 7, 2020
Achievements (1)
Problem Solver
OverviewRatingAchievementsPosts
Rating
1709
Problems170
Submissions240

Rating evolution

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chas-_- has completed the contest Blitz Round #22 and scored no score6 日前
chas-_- has joined contest Виток 3, Шаг 1 - Стек16 日前
chas-_- solved problem Quad (#11854) on first attempt17 日前
chas-_- solved problem Rooks (#11797) on 2 attempt17 日前
chas-_- has joined contest Виток 3, Шаг 3 - Множество set и мультимножество multiset21 日前
chas-_- has joined contest Виток 3, Шаг 4 - Множество и мультимножество21 日前
chas-_- has joined contest Виток 3, Шаг 4 - Множество set и мультимножество multiset21 日前
chas-_- has joined contest Blitz Round #1921 日前
chas-_- has joined contest Blitz Round #2121 日前
chas-_- has joined contest Blitz Round #2221 日前
chas-_- solved problem Smallest divisor (#8927) on 5 attempt21 日前
chas-_- has joined contest EJOI 2025 - Day 21 か月前
chas-_- has joined contest EJOI 2025 - Day 11 か月前
chas-_- solved problem Invert a bit (#5316) on first attempt2 か月前
chas-_- solved problem Set a bit (#5315) on first attempt2 か月前
chas-_- solved problem 2^k + 2^n (#5314) on first attempt2 か月前
chas-_- solved problem Golden sand (#3736) on 3 attempt3 か月前
chas-_- solved problem Knapsack (#4831) on first attempt3 か月前
chas-_- has joined contest Blitz Round #163 か月前
chas-_- has joined contest Blitz Round #173 か月前
chas-_- solved problem The largest average (#1477) on first attempt3 か月前
chas-_- solved problem Price labels (#2661) on first attempt3 か月前
chas-_- solved problem Kozak Vus and Clever Palindromes (#10256) on first attempt3 か月前
chas-_- solved problem A*B*C (#10481) on first attempt3 か月前
chas-_- solved problem From base k to base 10 (#4754) on first attempt4 か月前