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问题出在名字- -#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)); > } > */ Followed by:
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