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i.chernenko
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Черненко Іван
i.chernenko
Specialist
Ukraine
Ukraine
Joined Sep 22, 2021
Achievements (2)
Problem Solver 2Problem Solver
OverviewRatingAchievementsPosts

Rating
1452
Problems201
Submissions232
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i.chernenko has completed the contest KNU Student Olympiad 2026, 1 stage (Mirror) and scored 600 points10 日前
i.chernenko solved hidden problem on 2 attempt12 日前
i.chernenko solved hidden problem on 4 attempt12 日前
i.chernenko solved hidden problem on 2 attempt12 日前
i.chernenko solved hidden problem on first attempt12 日前
i.chernenko solved hidden problem on first attempt12 日前
i.chernenko solved hidden problem on first attempt12 日前
i.chernenko has joined contest KNU Student Olympiad 2026, 1 stage (Mirror) 12 日前
i.chernenko solved problem I hate 67 (#12337) on 6 attempt2 か月前
i.chernenko solved problem "Mirror prime" numbers (#22) on 2 attempt2 か月前
i.chernenko solved problem Square of Fortune (#12336) on first attempt2 か月前
i.chernenko solved problem N-digit numbers (#9) on 12 attempt2 か月前
i.chernenko solved problem GCD What (#12282) on 2 attempt4 か月前
i.chernenko solved problem Haidora and suspicious formula (#12281) on 2 attempt4 か月前
i.chernenko solved problem Max Trace (#12280) on 3 attempt4 か月前
i.chernenko has joined contest Blitz Round #74 か月前
i.chernenko solved problem Maximum sum on a tree (#973) on first attempt5 か月前
i.chernenko solved problem Rectangle Cutting (#11722) on 10 attempt5 か月前
i.chernenko solved problem Aladdin's knapsack (#1661) on 3 attempt5 か月前
i.chernenko solved problem Saucepans and lids (#7335) on 5 attempt5 か月前
i.chernenko solved problem Taxi (#8352) on 5 attempt5 か月前
i.chernenko solved problem Number of maximums (#7832) on first attempt5 か月前
i.chernenko has joined contest Educational Round #35 か月前
i.chernenko solved problem Rotation (#2669) on 2 attempt1 年前
i.chernenko solved problem The best team (#9632) on 4 attempt1 年前