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LysenkoIgor
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Лисенко Ігор
LysenkoIgor
Ukraine
Ukraine
Joined Nov 1, 2025
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Problems9
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2026
LysenkoIgor solved problem Area of the Cake (#377) on 7 attempt3 months ago
LysenkoIgor solved problem A+B=C (#376) on 3 attempt3 months ago
LysenkoIgor solved problem Family (#375) on first attempt3 months ago
LysenkoIgor has joined contest UOI 2025. II stage. Day 13 months ago
LysenkoIgor solved hidden problem on 7 attempt3 months ago
LysenkoIgor solved hidden problem on first attempt3 months ago
LysenkoIgor solved hidden problem on 2 attempt3 months ago
LysenkoIgor has joined contest Тренувальний тур II етапу Всеукраїнської олімпіади з інформатики3 months ago
LysenkoIgor solved hidden problem on 2 attempt4 months ago
LysenkoIgor solved hidden problem on first attempt4 months ago
LysenkoIgor solved hidden problem on 2 attempt4 months ago
LysenkoIgor has joined contest Тренувальний тур I етапу Всеукраїнської олімпіади з інформатики4 months ago