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Moamen and Ezzat are playing a game. They create an array 𝑎a of 𝑛n non-negative integers where every element is less than 2𝑘2k. Moamen wins if 𝑎1& 阅读全文
posted @ 2021-08-13 22:31
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Problem Description As an elegant and accomplished girl, Bella loves watching stars at night (especially the Polaris). There are totally n stars in th 阅读全文
posted @ 2021-08-13 21:08
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