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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
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1452
Problems201
Submissions232
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i.chernenko has completed the contest KNU Student Olympiad 2026, 1 stage (Mirror) and scored 600 points1 month ago
i.chernenko solved hidden problem on 2 attempt1 month ago
i.chernenko solved hidden problem on 4 attempt1 month ago
i.chernenko solved hidden problem on 2 attempt1 month ago
i.chernenko solved hidden problem on first attempt1 month ago
i.chernenko solved hidden problem on first attempt1 month ago
i.chernenko solved hidden problem on first attempt1 month ago
i.chernenko has joined contest KNU Student Olympiad 2026, 1 stage (Mirror) 1 month ago
i.chernenko solved problem I hate 67 (#12337) on 6 attempt3 months ago
i.chernenko solved problem "Mirror prime" numbers (#22) on 2 attempt3 months ago
i.chernenko solved problem Square of Fortune (#12336) on first attempt3 months ago
i.chernenko solved problem N-digit numbers (#9) on 12 attempt3 months ago
i.chernenko solved problem GCD What (#12282) on 2 attempt5 months ago
i.chernenko solved problem Haidora and suspicious formula (#12281) on 2 attempt5 months ago
i.chernenko solved problem Max Trace (#12280) on 3 attempt5 months ago
i.chernenko has joined contest Blitz Round #75 months ago
i.chernenko solved problem Maximum sum on a tree (#973) on first attempt6 months ago
i.chernenko solved problem Rectangle Cutting (#11722) on 10 attempt6 months ago
i.chernenko solved problem Aladdin's knapsack (#1661) on 3 attempt6 months ago
i.chernenko solved problem Saucepans and lids (#7335) on 5 attempt6 months ago
i.chernenko solved problem Taxi (#8352) on 5 attempt6 months ago
i.chernenko solved problem Number of maximums (#7832) on first attempt6 months ago
i.chernenko has joined contest Educational Round #36 months ago
i.chernenko solved problem Rotation (#2669) on 2 attempt1 year ago
i.chernenko solved problem The best team (#9632) on 4 attempt1 year ago