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rounding error导致的……数据都给了6位小数的，不过误差还是稍微大了些……

Posted by frkstyc at 2007-10-19 17:02:59 on Problem 2382
In Reply To:(x0 - xi)^2 + (y0 - yi)^2 can > R2 Posted by:T1 at 2005-04-01 20:25:16 
> 太阳！
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