摘要: 区间修改/区间查询 #include<bits/stdc++.h> using namespace std; typedef long long ll; const int N = 1e5+10,inf = 0x3f3f3f3f; int n,m,a[N],add[N * 4]; ll sum[N 阅读全文
posted @ 2023-09-07 18:03 CRt0729 阅读(5) 评论(0) 推荐(0) 编辑