What math level do i need for taking part in IOI ? and how to reach that level pls
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Codeforces Round (Div. 1, Based on Zhili Cup 2026)
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Codeforces Round (Div. 1, Based on Zhili Cup 2026)
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Codeforces Round (Div. 2, Based on Zhili Cup 2026)
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Codeforces Round (Div. 2, Based on Zhili Cup 2026)
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You only need to know multiplication table.