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Re:PI精度不够大 用acos(-1.0) AC了

Posted by Kuroro at 2010-11-29 22:36:54 on Problem 1799
In Reply To:PI精度不够大 用acos(-1.0) AC了 Posted by:narte at 2010-07-23 13:25:45
THX 我也是一样的情况,Java换成PI= Math.acos(-1)就AC了

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