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好了我们不要再吃油条了 oToTo 阅读全文
posted @ 2025-06-30 23:17
sirro1uta
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题目如下 A. Filling Diamonds time limit per test1 second memory limit per test256 megabytes You have integer 𝑛. Calculate how many ways are there to full 阅读全文
posted @ 2025-06-30 23:16
sirro1uta
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题目如下 Sasha decided to give his girlfriend an array 𝑎1,𝑎2,…,𝑎𝑛. He found out that his girlfriend evaluates the beauty of the array as the sum of th 阅读全文
posted @ 2025-06-30 22:05
sirro1uta
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题目如下 We will consider the numbers 𝑎 and 𝑏 as adjacent if they differ by exactly one, that is, |𝑎−𝑏|=1. We will consider cells of a square matrix � 阅读全文
posted @ 2025-06-30 21:55
sirro1uta
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题目如下 Positive integer 𝑥 is called divisor of positive integer 𝑦, if 𝑦 is divisible by 𝑥 without remainder. For example, 1 is a divisor of 7 and 3 阅读全文
posted @ 2025-06-30 20:41
sirro1uta
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