ONI VIII (#554) 67 problems
ONI 2024 VIII (#1075) 3 problems
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ONI 2023 VIII (#196) 3 problems
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ONI 2022 VIII (#558) 3 problems
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ONI 2021 VIII (#564) 3 problems
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ONI 2019 VIII (#570) 3 problems
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ONI 2018 VIII (#576) 3 problems
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ONI 2017 VIII (#582) 3 problems
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ONI 2016 VIII (#588) 3 problems
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ONI 2015 VIII (#594) 3 problems
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ONI 2014 VIII (#600) 3 problems
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ONI 2013 VIII (#606) 3 problems
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ONI 2012 VIII (#612) 3 problems
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ONI 2011 VIII (#618) 3 problems
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ONI 2010 VIII (#624) 3 problems
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ONI 2009 VIII (#630) 3 problems
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ONI 2008 VIII (#636) 3 problems
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ONI 2007 VIII (#642) 3 problems
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ONI 2006 VIII (#648) 3 problems
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ONI 2005 VIII (#654) 3 problems
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ONI 2004 VIII (#660) 3 problems
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ONI 2003 VIII (#666) 3 problems
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ONI 2002 VIII (#672) 2 problems
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ONI 2001 VII-VIII (#678) 2 problems
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