UOI
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k909mark
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Марк Козир
k909mark
Joined Jan 1, 1
Overview
Problems
36
Submissions
39
2020
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2021
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2022
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2023
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2024
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2025
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k909mark
solved hidden problem on 6 attempt
13 hours ago
k909mark
solved hidden problem on first attempt
14 hours ago
k909mark
has joined contest
Тренувальний тур II етапу Всеукраїнської олімпіади з інформатики
14 hours ago
k909mark
solved problem
Family (#375)
on first attempt
10 days ago
k909mark
has joined contest
UOI 2025. II stage. Day 1
10 days ago
k909mark
solved problem
Мобільна гра (#475)
on 10 attempt
29 days ago
k909mark
solved problem
Матричка (#470)
on first attempt
29 days ago
k909mark
has joined contest
UOI 2026. I stage
29 days ago
k909mark
solved problem
Check the Calendar! (#240)
on 3 attempt
1 month ago
k909mark
solved problem
Miss M and the Flowers (#239)
on first attempt
1 month ago
k909mark
solved problem
Bitqoins (#238)
on first attempt
1 month ago
k909mark
has joined contest
UOI 2024. I stage
1 month ago
k909mark
solved problem
Coordinates (#361)
on first attempt
1 month ago
k909mark
solved problem
Rook (#360)
on first attempt
1 month ago
k909mark
has joined contest
UJGOI 2025. Vidbir. Day 1
1 month ago
k909mark
has joined contest
UOI 2025. I stage. Kharkiv
1 month ago
k909mark
has joined contest
UJGOI 2023. Vidbir. Day 2
1 month ago
k909mark
solved problem
Library (#213)
on first attempt
1 month ago
k909mark
solved problem
First books (#212)
on 12 attempt
1 month ago
k909mark
solved problem
Debts (#211)
on first attempt
1 month ago
k909mark
has joined contest
UJGOI 2023. Vidbir. Day 3
1 month ago
k909mark
solved problem
Mean arithmetic (#2)
on 2 attempt
1 month ago
k909mark
solved problem
Debts (#1)
on first attempt
1 month ago
k909mark
has joined contest
UOI 2023. I stage
1 month ago
k909mark
has joined contest
UJGOI 2023. Vidbir. Day 1
1 month ago