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这道题有什么好的办法控制精度

Posted by ACM06060 at 2007-01-29 09:45:56 on Problem 3175
我是枚举 (n+e)的平方 
看看 (n+e)^2 与 (n+e+de)^2是否横跨一个整数。。
de 是同e位的0...1

没法过,不知道为什么

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