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D. Arpa and a list of numbers Source http://codeforces.com/contest/849/problem/D Description D. Arpa and a list of numbers Source http://codeforces.co 阅读全文
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A Round Peg in a Ground Hole Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 7061 Accepted: 2297 Description The DIY Furniture company spec 阅读全文
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D. Rooter's Song Source http://codeforces.com/contest/849/problem/D Description Description Wherever the destination is, whoever we meet, let's render 阅读全文
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D. DZY Loves FFT Source http://codeforces.com/contest/445/problem/D Description Description DZY loves Fast Fourier Transformation, and he enjoys using 阅读全文
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C. From Y to Y Source http://codeforces.com/contest/849/problem/C Description Description From beginning till end, this message has been waiting to be 阅读全文
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B. Tell Your World Source http://codeforces.com/contest/849/problem/B Description Description Connect the countless points with lines, till we reach t 阅读全文
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A. Odds and Ends Source http://codeforces.com/contest/849/problem/A Description Description Where do odds begin, and where do they end? Where does hop 阅读全文