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问题出在名字- -#

Posted by allen4053040allen at 2010-06-09 08:44:57 on Problem 2253
In Reply To:前者AC 后者CE - -# Posted by:allen4053040allen at 2010-06-08 11:11:50
> double distance(double e1x, double e1y, double e2x, double e2y)
> {
> 	return sqrt((e1x - e2x) * (e1x - e2x) + (e1y - e2y) * (e1y - e2y));
> }
> 
> //以下就不行!!!
> /*
> double distance(P e1, P e2)
> {
> 	return sqrt((e1.x - e2.x) * (e1.x - e2.x) + (e1.y - e2.y) * (e1.y - e2.y));
> }
> */

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