ONI 2022 (#490) 30 problems
ONI 2022 V (#561) 3 problems
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ONI 2022 VI (#560) 3 problems
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ONI 2022 VII (#559) 3 problems
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ONI 2022 VIII (#558) 3 problems
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ONI 2022 IX (#562) 3 problems
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ONI 2022 X (#557) 3 problems
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ONI 2022 XI-XII (#16) 3 problems
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ONI 2022 Baraj Juniori (#476) 3 problems
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ONI 2022 Baraj Seniori (#86) 6 problems
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