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catisstydies
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catisstydies
Ukraine
Ukraine
Joined Nov 5, 2025
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Problems6
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2025
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2026
Feb
catisstydies solved problem Мобільна гра (#475) on first attempt4 months ago
catisstydies solved problem Дивний сон (#474) on 2 attempt4 months ago
catisstydies solved problem Конструктор (#472) on first attempt4 months ago
catisstydies solved problem Матричка (#470) on first attempt4 months ago
catisstydies solved problem Прямокутник (#468) on first attempt4 months ago
catisstydies solved problem Борги (#467) on first attempt4 months ago
catisstydies has joined contest UOI 2026. I stage4 months ago