National Olympiad in Informatics (Singapore)

The Singapore National Olympiad in Informatics (NOI) is modelled after the International Olympiad in Informatics (IOI), the ultimate international competition in computing (Informatics is the European term for computer science). NOI emphasises creativity in problem solving on the one hand, and programming skill and expertise on the other. Here is the Ten Year Series (TYS) from 2012-2022 + more