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My birthday is coming up and traditionally I’m serving pie. Not just one pie, no, I have a number N of them, of various tastes and of various sizes. F... 阅读全文
posted @ 2015-08-06 16:41
lee是美少女
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Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %lluDescriptionBefore the invention of book-printing, it was very hard to make a copy of a b... 阅读全文
posted @ 2015-08-06 11:04
lee是美少女
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