摘要: 主席树 #include<bits/stdc++.h> using namespace std; #define SIZE 200010 struct SegmentTree { int lc, rc; int sum; #define lc(x) tree[x].lc #define rc(x) 阅读全文
posted @ 2023-01-04 16:19 Agakiss 阅读(24) 评论(0) 推荐(0) 编辑