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Xiao Ming's HopeTime Limit:1000MSMemory Limit:32768KBDescriptionXiao Ming likes counting numbers very much, especially he is fond of counting odd numb... 阅读全文
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C -History repeat itselfTime Limit:1000MSMemory Limit:32768KBDescriptionTom took the Discrete Mathematics course in the 2011,but his bad attendance an... 阅读全文
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B -Gold minerTime Limit:2000MSMemory Limit:32768KB DescriptionHomelesser likes playing Gold miners in class. He has to pay much attention to the teac... 阅读全文
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D -Interval queryTime Limit: 1.5 SecMemory Limit: 256 MBDescriptionThis is a very simple question. There are N intervals in number axis, and M queries... 阅读全文
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SPFTime Limit:1000MSMemory Limit:10000KTotal Submissions:7110Accepted:3242DescriptionConsider the two networks shown be... 阅读全文