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DescripeMike and some bears are playing a game just for fun. Mike is the judge. All bears except Mike are standing in an n × m grid, there's exactly o... 阅读全文
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DescripeWhile Mike was walking in the subway, all the stuff in his back-bag dropped on the ground. There were several fax messages among them. He conc... 阅读全文
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Time Limit: 1000MSMemory Limit: 65536KTotal Submissions: 9478Accepted: 4710DescriptionSoundex coding groups together words that appear to sound alike ... 阅读全文
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Time Limit: 1000MSMemory Limit: 65536KTotal Submissions: 40455Accepted: 15485DescriptionIn 1742, Christian Goldbach, a German amateur mathematician, s... 阅读全文
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Time Limit: 1000MSMemory Limit: 10000KTotal Submissions: 13640Accepted: 7361DescriptionStarting from point (0,0) on a plane, we have written all non-n... 阅读全文
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Time Limit: 1000MSMemory Limit: 65536KTotal Submissions: 6587Accepted: 4687DescriptionThe nth Triangular number, T(n) = 1 + … + n, is the sum of the f... 阅读全文
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Time Limit: 1000MSMemory Limit: 65536KTotal Submissions: 10724Accepted: 3980DescriptionChildren are taught to add multi-digit numbers from right-to-le... 阅读全文