Australian Informatics Olympiad

The Australian Informatics Olympiad (AIO) challenges students in programming and algorithmic problem-solving. Top scorers represent Australia at the IOI. Watch the walkthrough and explore each problem below.

Problems & Solutions

AIO Addition Question
Answer on GitHub
AIO Sitting or Standing
Answer on GitHub
AIO Mixed Fraction
Answer on GitHub
AIO Mindbending Scenario
Answer on GitHub
AIO Tremendous Tak-Tak Tree
Answer on GitHub
AIO Counting to Infinity
Answer on GitHub
AIO2019 Vases
Answer on GitHub
AIO2017 Mango
Answer on GitHub

Click any image to zoom in — solutions hosted on GitHub under ShareMyLesson/AIO.

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