摘要: const int MaxLct = 2 * 1e5; #define ls(p) (Tr[p].ch[0]) #define rs(p) (Tr[p].ch[1]) #define fa(p) (Tr[p].fa) #define rev(p) (Tr[p].rev) struct Node { 阅读全文
posted @ 2022-03-11 21:11 C2022lihan 阅读(10) 评论(0) 推荐(0) 编辑