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【题目来源】 AtCoder:Sum of Average 【题目描述】 You are given a positive integer \(N\) and a length-\(N\) integer sequence \(A=(A_1,A_2,\ldots,A_N)\). Define \(f 阅读全文
posted @ 2026-07-26 17:32
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【题目来源】 AtCoder:Pre-Palindrome 【题目描述】 A string consisting of lowercase English letters is called a good string if it satisfies the following condition. 阅读全文
posted @ 2026-07-26 17:32
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【题目来源】 AtCoder:Corridor Watch 【题目描述】 You are given integers \(M,D\) and a string \(S\) of length \(M\) consisting of G and .. There are \(M\) cells ar 阅读全文
posted @ 2026-07-26 17:32
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【题目来源】 AtCoder:Between P and Q 【题目描述】 You are given an integer \(N\) and integer sequences \(P=(P_1,P_2,\ldots, P_N)\) and \(Q=(Q_1,Q_2,\ldots,Q_N)\), 阅读全文
posted @ 2026-07-26 17:32
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