摘要: struct AB{ int k,b; }d[N]; void add(int k,int b){d[++cnt]=(AB){k,b};} int cal(int id,int x){return d[id].k*x+d[id].b;} void upd(int p,int l,int r,int 阅读全文
posted @ 2022-10-06 16:32 hubingshan 阅读(47) 评论(0) 推荐(0)