Training Hub

News: See below (updated Mon 27 Sep 2021).
Forums: Last post made Tue 23 Dec 2014.
Orac 2: http://orac2.info

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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.

Set	Problem
Starter Problems 1	(4 problems)
Starter Problems 2	(4 problems)
Starter Problems 3	(4 problems)
AIO 2020	(6 problems)
AIO 2019	(6 problems)
AIO 2018 (Intermediate)	(4 problems)
AIO 2018 (Senior)	(4 problems)
AIO 2017 (Intermediate)	(4 problems)
AIO 2017 (Senior)	(4 problems)
AIO 2016 (Intermediate)	(3 problems)
AIO 2016 (Senior)	(3 problems)
AIO 2015 (Intermediate)	(3 problems)
AIO 2015 (Senior)	(3 problems)
AIO 2014 (Intermediate)	(3 problems)
AIO 2014 (Senior)	(3 problems)
AIO 2013 (Intermediate)	(3 problems)
AIO 2013 (Senior)	(3 problems)
AIO 2012 (Intermediate)	(3 problems)
AIO 2012 (Senior)	(3 problems)
AIO 2011 (Intermediate)	(3 problems)
AIO 2011 (Senior)	(3 problems)
AIO 2010 (Intermediate)	(3 problems)
AIO 2010 (Senior)	(3 problems)
AIO 2009 (Intermediate)	(4 problems)
AIO 2009 (Senior)	(4 problems)
AIO 2008 (Intermediate)	(4 problems)
AIO 2008 (Senior)	(4 problems)
AIO 2007 (Intermediate)	(4 problems)
AIO 2007 (Senior)	(4 problems)
AIO 2006 (Intermediate)	(4 problems)
AIO 2006 (Senior)	(4 problems)
AIO 2005 (Intermediate)	(4 problems)
AIO 2005 (Senior)	(4 problems)
ACIO 2020: Contest 0	(6 problems)
ACIO 2020: Contest 1	(3 problems)
ACIO 2020: Contest 2	(3 problems)
ACIO 2020: Open Contest	(3 problems)
AIC 1998	(3 problems)
AIC 1999	(4 problems)
AIC 2000	(4 problems)
AIC 2001	(4 problems)
AIC 2002	(4 problems)
AIC 2003	(4 problems)
AIC 2004 (Intermediate)	(4 problems)
AIC 2004 (Senior)	(4 problems)
AIIO 2006	(3 problems)
AIIO 2007	(3 problems)
AIIO 2008	(3 problems)
AIIO 2009	(3 problems)
AIIO 2010	(3 problems)
AIIO 2011	(3 problems)
AIIO 2012	(3 problems)
AIIO 2013	(3 problems)
AIIO 2014	(3 problems)
AIIO 2015	(3 problems)
AIIO 2020	(3 problems)
Challenge Problems 1	(4 problems)
FARIO 2004	(3 problems)
FARIO 2005	(3 problems)
FARIO 2006	(4 problems)
FARIO 2007	(4 problems)
FARIO 2008	(4 problems)
FARIO 2009	(4 problems)
FARIO 2010	(4 problems)
FARIO 2011	(4 problems)
FARIO 2012	(3 problems)
FARIO 2013	(3 problems)
FARIO 2014	(3 problems)
FARIO 2015	(3 problems)
FARIO 2016	No Ball
FARIO 2016	Hooliganism
FARIO 2017	(3 problems)
FARIO 2018	(2 problems)
FARIO 2019	(3 problems)
FARIO 2020	(3 problems)
Pre-camp Training	(8 problems)

News

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.