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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 points19 days ago
i.chernenko solved hidden problem on 2 attempt20 days ago
i.chernenko solved hidden problem on 4 attempt20 days ago
i.chernenko solved hidden problem on 2 attempt20 days ago
i.chernenko solved hidden problem on first attempt20 days ago
i.chernenko solved hidden problem on first attempt20 days ago
i.chernenko solved hidden problem on first attempt20 days ago
i.chernenko has joined contest KNU Student Olympiad 2026, 1 stage (Mirror) 20 days ago
i.chernenko solved problem I hate 67 (#12337) on 6 attempt2 months ago
i.chernenko solved problem "Mirror prime" numbers (#22) on 2 attempt2 months ago
i.chernenko solved problem Square of Fortune (#12336) on first attempt2 months ago
i.chernenko solved problem N-digit numbers (#9) on 12 attempt2 months ago
i.chernenko solved problem GCD What (#12282) on 2 attempt4 months ago
i.chernenko solved problem Haidora and suspicious formula (#12281) on 2 attempt4 months ago
i.chernenko solved problem Max Trace (#12280) on 3 attempt4 months ago
i.chernenko has joined contest Blitz Round #74 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