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EPS不能取1e-9,要1e-10或者更高精度

Posted by snoopy at 2006-10-21 08:48:45 
枚举实现,结果挂了,看了一下discuss发现别人判是否相等都是用的fabs()>0,我用fabs()>1e-9就挂了,改成>0也过了,测了一下只要是1e-10或者更高精度都是可以过的

被1e-9的经验主义害死了,ft
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