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user539653
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Богдан Ковальчук
user539653
Joined Nov 15, 2024
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user539653 solved problem A+B=C (#376) on 6 attempt4 months ago
user539653 solved problem Creating an Array (#263) on first attempt4 months ago
user539653 solved problem Shops (#262) on first attempt4 months ago
user539653 has joined contest UOI 2024. II stage. Day 14 months ago
user539653 solved problem Family (#375) on first attempt4 months ago
user539653 has joined contest UOI 2025. II stage. Day 14 months ago
user539653 solved hidden problem on first attempt4 months ago
user539653 solved hidden problem on first attempt4 months ago
user539653 solved hidden problem on first attempt4 months ago
user539653 solved hidden problem on 9 attempt4 months ago
user539653 solved hidden problem on first attempt4 months ago
user539653 solved hidden problem on 2 attempt4 months ago
user539653 solved hidden problem on 5 attempt4 months ago
user539653 has joined contest Тренувальний тур II етапу Всеукраїнської олімпіади з інформатики4 months ago
user539653 has joined contest Unknown1 year ago
user539653 has joined contest Тренувальний тур I етапу Всеукраїнської олімпіади з інформатики1 year ago