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AntikytheraWorld Informatics Olympiads Bank

Informatics olympiad tasks from international, regional and national competitions, in English: full statements with input/output format, constraints, subtasks, time and memory limits and sample tests. Statements only — no solutions. Browse the competition-year grid.

Click a cell to open one competition's year. Click a competition or a year to see all of it.

Where to look

Day / Round

Task type

Topic

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Algorithmic connections