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36 contest(s) 7,343 accounts(s)

Country distribution

N Country Participants
number
1
China 		125
2
Vietnam 		117
3
Iran 		111
4
Germany 		107
5
Poland 		106
6
Hungary 		105
7
Thailand 		102
8
United Kingdom 		101
9
Taiwan 		101
10
Ukraine 		99
more

Most participated

N Handle Contests
number
1
Gennady Korotkevich 		7
2
Arthur Léonard 		6
3
Aleksejs Popovs 		6
4
Chethiya Abeysinghe 		6
5
Bruce Merry 		6
6
Zviad Metreveli 		6
7
Zixiang Zhou 		5
8
Egor Lifar 		5
9
Harris Leung 		5
10
Martin Kopchev 		5
more

Last activity

N Handle Last
activity
1
Patrik Číhal 		Sept. 1, 2024
2
Yuchong Guo 		Sept. 1, 2024
3
Javier Badesa Pérez 		Sept. 1, 2024
4
Tarek Ahmed 		Sept. 1, 2024
5
Debojoti Das Soumya 		Sept. 1, 2024
6
Itamar Nir 		Sept. 1, 2024
7
Yan Xun Khor 		Sept. 1, 2024
8
David S. Eikeland 		Sept. 1, 2024
9
Andrey Stefanov 		Sept. 1, 2024
10
Pál Czanik 		Sept. 1, 2024
more

Problems

Date Name
Sept. 1, 2024 Nile
Sept. 1, 2024 Message
Sept. 1, 2024 Tree
Sept. 1, 2024 Hieroglyphs
Sept. 1, 2024 Mosaic
Sept. 1, 2024 Sphinx's Riddle
Aug. 28, 2023 Closing Time
Aug. 28, 2023 Longest Trip
Aug. 28, 2023 Soccer
Aug. 28, 2023 Beech Tree
more

Past contests

End
Time
 Contest
Sept. 8, 2024 36th International Olympiad in Informatics. Egypt
Sept. 4, 2023 35th International Olympiad in Informatics. Hungary
Aug. 15, 2022 34th International Olympiad in Informatics. Indonesia
June 25, 2021 33rd International Olympiad in Informatics. Singapore
Sept. 19, 2020 32nd International Olympiad in Informatics. Singapore
Aug. 11, 2019 31st International Olympiad in Informatics. Azerbaijan
Sept. 8, 2018 30th International Olympiad in Informatics. Japan
Aug. 4, 2017 29th International Olympiad in Informatics. Iran
Aug. 19, 2016 28th International Olympiad in Informatics. Russia
Aug. 2, 2015 27th International Olympiad in Informatics. Kazakhstan
more