AMPPZ - Polish Collegiate Programming Contest

BOI - Baltic Olympiad in Informatics

CEOI - Central European Olympiad in Informatics

EJOI - European Junior Olympiad in Informatics

ILOCAMP - ILOCAMP Science Camp

IOI - International Olympiad in Informatics

Main2 - Judge system task archive

OI - Polish Olympiad in Informatics

OIJ - Polish Junior Olympiad in Informatics

ONTAK - POI Training Camp

PA - Potyczki Algorytmiczne

Polish nationwide, open programming contest

proserwy - PROSERWY Science Camp