Australian Informatics Olympiad, 2013

FAQ | Language Templates | Sample Problems | Training Site (all past problems) | Past Results | Other Activities

Results for 2013 are available!

Teachers and Students: Results for the 2013 Australian Informatics Olympiad are now available! Follow the link to the AIO submission site, where you can log in and view detailed results for your each of your submissions. Please use the same username and password that you were given during the contest.

We recommend that you try this, since the online results contain more detail than the final mailouts to schools (each score is broken down test case by test case, and you can see which cases were correct, incorrect, timed out and so on). Many submissions will have specific comments attached from the judges.

Mailouts and certificates will be posted to schools in due course. Please mail aioquery@amt.edu.au if you are having trouble logging in, or if you have any other questions.

Students: Sample solutions from the 2003 competition in all of the supported AIO languages are provided below. You may also wish to take a look at the online training site, where you can practise past AIO problems and sharpen your skills!


The Australian Informatics Olympiad (AIO) is a computer programming competition that is held annually in early September. From 1998 until 2004 it was called the Australian Informatics Competition (AIC). In 2005 it was renamed the Australian Informatics Olympiad, with the AIC becoming a pencil-and-paper competition that you can read more about here.

Frequently Asked Questions

A list of questions and answers can be found on the AIO information page at the Australian Mathematics Trust.

If you have any queries on how to enter, you are welcome to phone the Trust at (02) 6201 5137. If you have technical questions about the competition, please write to aioquery@amt.edu.au.

Contest Rules

Each student should receive a printed copy of the contest rules [PDF]. Students and teachers should familiarise themselves with these before the contest.

Language Templates

In previous AIOs, we have seen many students who could solve the algorithmic part of tasks but would score no marks due to having little experience with file input and output. We will provide students with template code for each problem in each supported language. These templates will provide the skeleton of a program to perform the necessary I/O to read the input files and write to output files in the correct format. They will not solve the problem but may be used as a starting point by the student.

Students may download these templates when the competition begins by logging into the the competition site. Note that these templates are entirely optional. The student may wish to disregard the templates or modify them in any way they wish.

Sample Problems

The table below lists some sample problems from the 2010 and 2011 competitions, along with sample solutions in C, C++ and Python (which are the languages most commonly used in the AIO). You may also wish to take a look at the online training site, where you can view problems from every past competition and submit your own solutions for on-the-spot judging!

ProblemSample Solutions Score
Pirates C, C++, Python 100%
Alien C, C++, Python 100%
Oil Spill C, C++, Python 60%

You are of course encouraged to find a solution to Oil Spill that is fast enough to score full marks!

 


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