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题目 Given an increasing sequence S of N integers, the median is the number at the middle position. For example, the median of S1 = { 11, 12, 13, 14 } i 阅读全文
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题目 A long distance telephone company charges its customers by the following rules: Making a long distance call costs a certain amount per minute, depe 阅读全文
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题目 A reversible prime in any number system is a prime whose "reverse" in that number system is also a prime. For example in the decimal system 73 is a 阅读全文
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题目 To evaluate the performance of our first year CS majored students, we consider their grades of three courses only: C C Programming Language, M Math 阅读全文
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题目 With the 2010 FIFA World Cup running, football fans the world over were becoming increasingly excited as the best players from the best teams doing 阅读全文
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题目 Given a pair of positive integers, for example, 6 and 110, can this equation 6 = 110 be true? The answer is yes, if 6 is a decimal number and 110 i 阅读全文
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题目 This time, you are supposed to find A×B where A and B are two polynomials. Input Specification: Each input file contains one test case. Each case o 阅读全文
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题目 The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the e 阅读全文
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题目 Given a sequence of K integers { N1 , N2 , ..., NK }. A continuous subsequence is defined to be { Ni , Ni+1 , ..., Nj } where 1≤i≤ 阅读全文
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题目 Excel can sort records according to any column. Now you are supposed to imitate this function. Input Specification: Each input file contains one te 阅读全文