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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 attempt9 months ago
user539653 solved problem Creating an Array (#263) on first attempt9 months ago
user539653 solved problem Shops (#262) on first attempt9 months ago
user539653 has joined contest UOI 2024. II stage. Day 19 months ago
user539653 solved problem Family (#375) on first attempt9 months ago
user539653 has joined contest UOI 2025. II stage. Day 19 months ago
user539653 solved hidden problem on first attempt9 months ago
user539653 solved hidden problem on first attempt9 months ago
user539653 solved hidden problem on first attempt9 months ago
user539653 solved hidden problem on 9 attempt9 months ago
user539653 solved hidden problem on first attempt9 months ago
user539653 solved hidden problem on 2 attempt9 months ago
user539653 solved hidden problem on 5 attempt9 months ago
user539653 has joined contest Тренувальний тур II етапу Всеукраїнської олімпіади з інформатики9 months ago
user539653 has joined contest Unknown2 years ago
user539653 has joined contest Тренувальний тур I етапу Всеукраїнської олімпіади з інформатики2 years ago