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前者AC 后者CE - -#

Posted by allen4053040allen at 2010-06-08 11:11:50 on Problem 2253
In Reply To:附上CE程序 Posted by:allen4053040allen at 2010-06-08 11:01:39 
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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