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Attachments - 2024 National Invitational of CCPC (Zhengzhou), 2024 CCPC Henan Provincial Collegiate Programming Contest - Codeforces
将公式转换: ∣ a i − x ∣ ≤ k b i | a_i - x | \le k \times b_i ∣ai−x∣≤kbi − k b i a i ≤ x ≤ k …