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ivan_hal
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Ivan
ivan_hal
Ukraine
Ukraine
Joined Nov 29, 2024
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ivan_hal solved problem Beautiful String (#349) on 2 attempt10 months ago
ivan_hal solved problem Анфіса і квіти (#458) on 2 attempt10 months ago
ivan_hal solved problem Balls and Bins (#347) on first attempt10 months ago
ivan_hal solved problem Cook the Homework (#346) on first attempt10 months ago
ivan_hal solved problem Coordinates (#345) on first attempt10 months ago
ivan_hal solved problem Rook (#344) on first attempt10 months ago
ivan_hal solved hidden problem on first attempt10 months ago
ivan_hal solved hidden problem on 4 attempt10 months ago
ivan_hal solved hidden problem on first attempt10 months ago
ivan_hal solved hidden problem on first attempt10 months ago
ivan_hal solved hidden problem on 2 attempt10 months ago
ivan_hal solved hidden problem on first attempt10 months ago
ivan_hal solved hidden problem on first attempt10 months ago
ivan_hal solved problem Sakurako is Late (#348) on 7 attempt10 months ago
ivan_hal has joined contest UOI 2025. I stage10 months ago
ivan_hal has joined contest UOI 2018. Day 111 months ago
ivan_hal solved problem Cracow Sights (#405) on 2 attempt11 months ago
ivan_hal has joined contest UJGOI 2025. Day 111 months ago
ivan_hal has joined contest Тренувальний тур I етапу Всеукраїнської олімпіади з інформатики11 months ago
ivan_hal has joined contest UOI 2024. I stage. Kharkiv2 years ago