摘要: 区间加、区间查询 #include<cstdio> #include<cstring> #include<iostream> #include<algorithm> using namespace std; const int N = 1e5 + 10; struct SegmentTree{ in 阅读全文
posted @ 2020-11-18 20:47 Lvlb2333 阅读(104) 评论(0) 推荐(0) 编辑