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测试数据很水

Posted by HG at 2009-05-27 12:49:37 on Problem 1942
http://zh.wikipedia.org/w/index.php?title=%E5%8D%A1%E5%A1%94%E5%85%B0%E6%95%B0&variant=zh-cn

看了这篇文章后我看这道题一开始还以为要用高精度,因为C(2^31-1,2^30)非常的大
看那个只从一边话的方法和题目2080是一样的也就是C(100,100)>2080输入100的结果,
而2084输入100输出是非常大的数

开始我认为这道题要高精的可是测试数据double就ac了

-_-!!

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