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Re:我用公式算到是2 * a + sqrt(4 + 4 * a * a)，如果不是整数就再取整加一，但是总得到WA，谁来解释下？

Posted by 0912070002 at 2010-06-14 14:34:44 on Problem 1183
In Reply To:我用公式算到是2 * a + sqrt(4 + 4 * a * a)，如果不是整数就再取整加一，但是总得到WA，谁来解释下？ Posted by:yzx at 2007-05-02 20:15:22 
> 我用公式算到是2 * a + sqrt(4 + 4 * a * a)，如果不是整数就再取整加一，但是总得到WA，谁来解释下？
这个算不出来 b+c的准确值
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