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For any 4-digit integer except the ones with all the digits being the same, if we sort the digits in non-increasing order first, and then in non-decre 阅读全文
posted @ 2019-08-05 14:47
自由之翼Az
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Given three integers A, B and C in [−], you are supposed to tell whether A+B>C. Input Specification: The first line of the input gives the positive nu 阅读全文
posted @ 2019-08-03 19:21
自由之翼Az
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A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a node contains only nodes 阅读全文
posted @ 2019-08-03 16:42
自由之翼Az
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Given two sets of integers, the similarity of the sets is defined to be /, where Nc is the number of distinct common numbers shared by the two sets 阅读全文
posted @ 2019-08-03 15:09
自由之翼Az
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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
posted @ 2019-08-03 14:45
自由之翼Az
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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 minut 阅读全文
posted @ 2019-08-03 13:09
自由之翼Az
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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 with simple c 阅读全文
posted @ 2019-08-03 11:22
自由之翼Az
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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 = p1k1×p2k2×⋯×pm 阅读全文
posted @ 2019-08-03 10:32
自由之翼Az
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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 阅读全文
posted @ 2019-08-03 09:04
自由之翼Az
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Stack is one of the most fundamental data structures, which is based on the principle of Last In First Out (LIFO). The basic operations include Push ( 阅读全文
posted @ 2019-08-02 23:44
自由之翼Az
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