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2186: [Sdoi2008]沙拉公主的困惑 Description 大富翁国因为通货膨胀,以及假钞泛滥,政府决定推出一项新的政策:现有钞票编号范围为1到N的阶乘,但是,政府只发行编号与M!互质的钞票。房地产第一 大户沙拉公主决定预测一下大富翁国现在所有真钞票的数量。现在,请你帮助沙拉公主解决这个 阅读全文
posted @ 2016-06-08 18:23
TenderRun
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Problem J Stand in a Line Input: Standard Input Output: Standard Output All the people in the byteland want to stand in a line in such a way that no p 阅读全文
posted @ 2016-06-08 15:36
TenderRun
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DNA Sequence Description It's well known that DNA Sequence is a sequence only contains A, C, T and G, and it's very useful to analyze a segment of DNA 阅读全文
posted @ 2016-06-08 12:58
TenderRun
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这道题就是深搜矩阵,再快速幂。 阅读全文
posted @ 2016-06-08 07:36
TenderRun
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