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摘要: https://www.cnblogs.com/oneway10101/p/17642080.html const double eps=1e-8; const double PI=acos(-1.0); int sgn(double x) { if(fabs(x)<eps) return 0; r 阅读全文
posted @ 2024-08-25 08:39 班级账号 阅读(16) 评论(0) 推荐(0)