摘要：
About 900 years ago, a Chinese philosopher Sima Guang wrote a history book in which he talked about people's talent and virtue. According to his theor 阅读全文
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Sherlock Holmes received a note with some strange strings: "Let's date! 3485djDkxh4hhGE 2984akDfkkkkggEdsb s&hgsfdk d&Hyscvnm". It took him only a min 阅读全文
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If a machine can save only 3 significant digits, the float numbers 12300 and 12358.9 are considered equal since they are both saved as 0.123 105 with 阅读全文
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Given any positive integer N, you are supposed to find all of its prime factors, and write them in the format N = p1^k1 p2^k2 … pm^km. Input Specifica 阅读全文
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If you are a fan of Harry Potter, you would know the world of magic has its own currency system as Hagrid explained it to Harry, "Seventeen silver Sic 阅读全文