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Helsingin yliopisto, kevät 2019
|Datatähti Open 2019|
Finnish Olympiad in Informatics
|CSES Problem Set|
The CSES Problem Set contains a collection of competitive programming practice problems. You can access the problems here.
Competitive programming books
Do you want to learn competitive programming? You can find a collection of recent competitive programming books here.
|BOI Contest Collection|
This collection contains all Baltic Olympiad in Informatics contests from 2005 to 2018. You can access the contests here.
CEOI Contest Collection
This collection contains all Central European Olympiad in Informatics contests from 2005 to 2018. You can access the contests here.