National Olympiad in Informatics, China

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Flag of National Olympiad in Informatics

The National Olympiad in Informatics (NOI) is an annual informatics competition for secondary school students in China. The first NOI was held in 1984, earlier than IOI.


The contest consists of one practice contest and two official competitions, each involving solving problems of an algorithmic nature. Each day's competition consists of three problems and contestants have five hours to try to solve them. Students compete on an individual basis, with up to five students competing from each participating province (with around 30 provinces in 2003). Since 2011, some provinces has its Type B contestants, and the original 5-student-team members are called Type A contestants. The maximum number of the sum of Type A and Type B contestants was 15 until 2014, and it's currently 16. Students are selected from similar contests in their own province.

Computer used in NOI 2002

List of NOI Locations[edit]

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