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Australian Informatics Olympiad
  • National coding competition
  • Learn real-world skills
  • Practise algorithmic thinking and problem solving

The 2021 AIO has officially concluded

You can find this year's problem on the training site, along with an editorial.


Full results will be published at a later date on the AMT website. In the meantime, you can find the award cutoffs below.

Intermediate Division

  • Gold: 444 points
  • Silver: 320 points
  • Bronze: 200 points
  • Credit: 20 points

Senior Division

  • Gold: 570 points
  • Silver: 420 points
  • Bronze: 220 points
  • Credit: 200 points

What is the AIO?

The AIO is a 3-hour computer programming competition for students in years 7-12.

Students invent algorithms and write code to solve problems.

Example problem: “Travelling Salesperson” (AIO 2009)

In this scenario, there are three different routes between Perth and Sydney.

Each route has a different number of customers who will buy your encyclopedias.

You are planning a round trip from Perth to Sydney to Perth. What is the greatest number of different customers you can reach along the way?

The 2021 AIO has concluded.