News: See below (updated Mon 27 Sep 2021).
Forums: Last post made Tue 23 Dec 2014.
Orac 2: http://orac2.info
Welcome to the online training site for the Australian Informatics Olympiad programme!
Below you can view past AIO and FARIO problems. Register an account to get your solutions marked by our online evaluator.
Are you new to orac? Are you new to programming in general? Check out our getting started guide.
IOI 2021 was held online by Singapore from the 19th to the 25th of June. Congratulations to the Australian team for earning three bronze medals! The team placed 95th, 108th, 170th and 240th.
There are known issues with std::list, std::unordered_map and std::unordered_set, so please avoid use of these in your submissions for the time being.
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