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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 attempt7 months ago
user539653 solved problem Creating an Array (#263) on first attempt7 months ago
user539653 solved problem Shops (#262) on first attempt7 months ago
user539653 has joined contest UOI 2024. II stage. Day 17 months ago
user539653 solved problem Family (#375) on first attempt7 months ago
user539653 has joined contest UOI 2025. II stage. Day 17 months ago
user539653 solved hidden problem on first attempt7 months ago
user539653 solved hidden problem on first attempt7 months ago
user539653 solved hidden problem on first attempt7 months ago
user539653 solved hidden problem on 9 attempt7 months ago
user539653 solved hidden problem on first attempt7 months ago
user539653 solved hidden problem on 2 attempt7 months ago
user539653 solved hidden problem on 5 attempt7 months ago
user539653 has joined contest Тренувальний тур II етапу Всеукраїнської олімпіади з інформатики7 months ago
user539653 has joined contest Unknown1 year ago
user539653 has joined contest Тренувальний тур I етапу Всеукраїнської олімпіади з інформатики2 years ago