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Overlooking the captivating blend of myriads of vernal hues, Arkady the painter lays out a long, long canvas. Arkady has a sufficiently large amount o 阅读全文
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The city of Fishtopia can be imagined as a grid of 4 rows and an odd number of columns. It has two main villages; the first is located at the top left 阅读全文
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A necklace can be described as a string of links (' ') and pearls ('o'), with the last link or pearl connected to the first one. You can remove a link 阅读全文
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纯粹记录一下打cf中的学校Group的训练比赛的天数 w周d天 正式赛不记录 补题应该也不记录oㅅo 2020/5/5 最近都在做板刷集训题太多了不记录了，再记就烦了^^ 阅读全文
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JATC loves Banh mi (a Vietnamese food). His affection for Banh mi is so much that he always has it for breakfast. This morning, as usual, he buys a Ba 阅读全文
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JATC and his friend Giraffe are currently in their room, solving some problems. Giraffe has written on the board an array a1, a2, ..., an of integers, 阅读全文
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An accordion is a string (yes, in the real world accordions are musical instruments, but let's forget about it for a while) which can be represented a 阅读全文
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You are given q queries in the following form: Given three integers li, ri and di, find minimum positive integer xi such that it is divisible by di an 阅读全文
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Every superhero has been given a power value by the Felicity Committee. The avengers crew wants to maximize the average power of the superheroes in th 阅读全文
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Every superhero has been given a power value by the Felicity Committee. The avengers crew wants to maximize the average power of the superheroes in th 阅读全文