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Rick and his co-workers have made a new radioactive formula and a lot of bad guys are after them. So Rick wants to give his legacy to Morty before bad 阅读全文
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Problem Description One day Sophia finds a very big square. There are n trees in the square. They are all so tall. Sophia is very interesting in them. 阅读全文
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C. Ayoub and Lost Array Ayoub had an array 𝑎 of integers of size 𝑛 and this array had two interesting properties: All the integers in the array were 阅读全文