摘要: + [cpp] view plain copy point getcrosspoint(point a,point a1,point b,point b1) { point base=b1-b; double d1=abs(cross(base,a-b)); double d2=abs(cross( 阅读全文
posted @ 2018-06-03 00:14 wanhong 阅读(288) 评论(0) 推荐(0)