原题目 A reversible prime in any number system is a prime whose "reverse" in that number s...
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原题目 A reversible prime in any number system is a prime whose "reverse" in that number s...
原题目 Suppose a bank has N windows open for service. There is a yellow line in front of t...
原题目 It is vitally important to have all the cities connected by highways in a war. If a...
原题目 To evaluate the performance of our first year CS majored students, we consider thei...
原题目 With the 2010 FIFA World Cup running, football fans the world over were becoming in...
原题目 Given a pair of positive integers, for example, 6 and 110, can this equation 6 = 11...
原题目 This time, you are supposed to find A×B where A and B are two polynomials. Input Sp...
原题目 The highest building in our city has only one elevator. A request list is made up w...
原题目 Given a sequence of K integers. A coutinuous subsequence is defined to be where 1 ...
原题目 At the beginning of every day, the first person who signs in the computer room will...
原题目 Given a non-negative integer N, your task is to compute the sum of all the digits o...
原题目 A family hierarchy is usually presented by a pedigree tree. Your job is to count th...
原题目 As an emergency rescue team leader of a city, you are given a special map of your c...
原题目 This time, you are supposed to find A+B where A and B are two polynomials. Input Sp...
原题目 Calculate a+b and output the sum in standard format -- that is, the digits must be ...