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Re:这道题应该 交代一下 坐标范围，包括小数点后多少位

Posted by Los_Angelos_Laycurse at 2014-04-11 00:30:10 on Problem 3491 and last updated at 2014-04-11 00:38:49
In Reply To:Re:这道题应该 交代一下 坐标范围，包括小数点后多少位 Posted by:Los_Angelos_Laycurse at 2014-04-10 22:39:43 
> 还有，不知道能不能输出负数，我是按照 [0,360)输出 的，不知道对不对，这个也没有交代 

。。。。。想简单了，可能会出现长度相等的边平分360度角的情况，比较麻烦。。。

浮点数的模线性方程组。。。。精度貌似很蛋疼，怀疑是不是要用高精度。。。
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