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"原题链接" 描述 In chapter 4 of the game Trails in the Sky SC, Estelle Bright and her friends are crossing Mistwald to meet their final enemy, Lucciola. Mis 阅读全文
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"原题链接" 描述 Evolution is a long, long process with extreme complexity and involves many species. Dr. C. P. Lottery is currently investigating a simplifi 阅读全文
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"" 描述 Lele now is thinking about a simple function f(x). If x = 10 f(x) = a0 f(x 1) + a1 f(x 2) + a2 f(x 3) + …… + a9 f(x 10); And ai(0 include define 阅读全文
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"原题链接" 描述 Queues and Priority Queues are data structures which are known to most computer scientists. The Queue occurs often in our daily life. There 阅读全文
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"原题链接" 描述 Given a n × n matrix A and a positive integer k, find the sum $S = A + A^{2} + A^{3} + … + A^{k}.$ 输入 The input contains exactly one test ca 阅读全文
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"原题链接" 描述 A hat’s word is a word in the dictionary that is the concatenation of exactly two other words in the dictionary. You are to find all the hat 阅读全文
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"原题链接" 描述 When you go shopping, you can search in repository for avalible merchandises by the computers and internet. First you give the search system 阅读全文