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A Digital Library contains millions of books, stored according to their titles, authors, key words of their abstracts, publishers, and published years 阅读全文
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People often have a preference among synonyms of the same word. For example, some may prefer "the police", while others may prefer "the cops". Analyzi 阅读全文
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Behind the scenes in the computer's memory, color is always talked about as a series of 24 bits of information for each pixel. In an image, the color 阅读全文
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People on Mars count their numbers with base 13: Zero on Earth is called "tret" on Mars. The numbers 1 to 12 on Earch is called "jan, feb, mar, apr, m 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 two sets of integers, the similarity of the sets is defined to be Nc/Nt*100%, where Nc is the number of distinct common numbers shared by the tw 阅读全文
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Zhejiang University has 40000 students and provides 2500 courses. Now given the registered course list of each student, you are supposed to output the 阅读全文
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Zhejiang University has 40000 students and provides 2500 courses. Now given the student name lists of all the courses, you are supposed to output the 阅读全文
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最大公约数 最小公倍数： a、b的最大公约数是c，则a、b的最小公倍数是a / c * b。 分数运算 1、表示：struct frac{ int up, down }， 运算以假分数形式进行， 输出时再化为代分数。乘除法时，分子分母使用长整数保存。 2、化简： 化简在每一次计算完后进行，先检查分母 阅读全文
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A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic number 阅读全文
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Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 2469135 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 Specif 阅读全文
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Among all the factors of a positive integer N, there may exist several consecutive numbers. For example, 630 can be factored as 3*5*6*7, where 5, 6, a 阅读全文