The International Olympiad in Artificial Intelligence has published its official problem sets. You can find them in their official GitHub.
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Before contest
Codeforces Round 1097 (Div. 1, Based on Zhili Cup 2026)
08:13:32
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Codeforces Round 1097 (Div. 1, Based on Zhili Cup 2026)
08:13:32
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Before contest
Codeforces Round 1097 (Div. 2, Based on Zhili Cup 2026)
08:13:32
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Codeforces Round 1097 (Div. 2, Based on Zhili Cup 2026)
08:13:32
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*has extra registration
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