摘要: #define ls p<<1 #define rs p<<1|1 struct Seg { int p,l,r; ll sum,tag,mx; #define l(i) t[i].l #define r(i) t[i].r #define mx(i) t[i].mx #define tag(i) 阅读全文
posted @ 2019-08-19 21:13 Suiyue_Li 阅读(193) 评论(0) 推荐(0) 编辑