摘要: double xmult(double x1, double y1, double x2, double y2, double x0, double y0) { return (x1 - x0)*(y2 - y0) - (x2 - x0)*(y1 - y0); } double area_trian 阅读全文
posted @ 2020-03-23 09:58 久龄 阅读(41) 评论(0) 推荐(0) 编辑