The FARIO is an invitation-only competition used to select students to invite to the selection school in April, where the final IOI team is selected.
The competition features a wide range of problem types that require a range of problem solving techniques. The overall difficulty tends to be slightly higher again than the AIIO.
You can check out problems from past years below.
| FARIO 2024 |
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| FARIO 2023 |
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| FARIO 2022 |
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| FARIO 2021 |
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| FARIO 2020 |
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| FARIO 2019 |
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| FARIO 2018 |
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| FARIO 2017 |
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| FARIO 2016 |
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| FARIO 2015 |
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| FARIO 2013 |
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| FARIO 2012 |
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| FARIO 2011 |
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| FARIO 2010 |
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| FARIO 2009 |
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| FARIO 2008 |
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| FARIO 2006 |
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| FARIO 2005 |
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| FARIO 2004 |
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