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啊...,原来您是枚举的呀,怪不得tle,同情ing~~~

Posted by c0500301036 at 2005-05-24 13:21:11 on Problem 2099
In Reply To:我就是这样做的,那4X个WA+TLE就拜这个所赐 Posted by:frkstyc at 2005-05-24 13:08:03
几何直观: 
平行四边形A绕中心旋转,看能否完全在平行四边形B中。
只需判断A的两条对角线旋转成的两个圆与B的交点的极角

应该0s搞定吧
(我是理想主义者,大家别见笑)

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