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It is easy to see that for every fraction in the form(k> 0), we can always find two positive integersxandy,x≥y, such that:.Now our question is: can yo... 阅读全文
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Problem D - Maximum ProductTime Limit: 1 secondGiven a sequence of integers S = {S1, S2, ..., Sn}, you should determine what is the value of the maxim... 阅读全文
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参考:http://www.cnblogs.com/xiaobaibuhei/p/3301110.html算法学到很弱,连这么简单个问题都难到我了。但我偏不信这个邪,终于做出来了。不过,是参照别人的,是 xiaobaibuhei 到博客让我找到到感觉,不过我只看了一遍他到代码,后面都是自己写的,虽... 阅读全文