摘要: 单点修改,区间查询 #include<bits/stdc++.h> using namespace std; #define int long long #define lowbit(x) (x&(-x)) const int N=5e5+10; int a[N],s[N]; int n,m; vo 阅读全文
posted @ 2022-11-03 19:40 Dengpc 阅读(44) 评论(0) 推荐(0)