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【题目来源】 洛谷：AT_abc464_d [ABC464D] Celester - 洛谷 【题目描述】 The weather for the upcoming \(N\) days is given as a string \(S\). If the \(i\)-th character of 阅读全文
posted @ 2026-06-30 21:15
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【题目来源】 洛谷：AT_abc464_a [ABC464A] Decisive Battle - 洛谷 【题目描述】 The Eastern Army and the Western Army are at war in a certain capital. Takahashi recorded 阅读全文
posted @ 2026-06-30 21:15
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【题目来源】 AtCoder：A - City with Power Shortage 【题目描述】 Takahashi manages the power grid of a region consisting of \(N\) cities. Each city is numbered from 阅读全文
posted @ 2026-06-30 20:45
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【题目来源】 AtCoder：E - Choosing Flowerbed Intervals 【题目描述】 Takahashi is in charge of managing a flowerbed. The flowerbed has \(N\) flowers planted in a ro 阅读全文
posted @ 2026-06-30 20:45
团爸讲算法
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【题目来源】 AtCoder：C - Chain of Infection 【题目描述】 Takahashi is the administrator of a network consisting of \(N\) computers and \(1\) central server. The \ 阅读全文
posted @ 2026-06-30 20:45
团爸讲算法
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【题目来源】 AtCoder：D - Tiling Plan 【题目描述】 Takahashi works at a renovation company and is responsible for covering room floors with square tiles. Takahashi 阅读全文
posted @ 2026-06-30 20:45
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【题目来源】 AtCoder：B - A Single Strike of Dominoes 【题目描述】 There are \(N\) pillars lined up in a row in front of Takahashi. The durability of the \(i\)-th 阅读全文
posted @ 2026-06-30 20:45
团爸讲算法
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【题目来源】 洛谷：AT_abc357_d [ABC357D] 88888888 - 洛谷（luogu.com.cn) 【题目描述】 For a positive integer \(N\), let \(V_N\) be the integer formed by concatenating \( 阅读全文
posted @ 2026-06-30 20:45
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