摘要: int sgn(double x) { if(fabs(x) < eps)return 0; else return x<0?-1:1; }; struct Point {double x,y;}; double Distance(Point A,Point B) {return hypot(A.x 阅读全文
posted @ 2021-07-29 01:39 LaiYiC 阅读(31) 评论(0) 推荐(0)