摘要: #include<bits/stdc++.h> using namespace std; const int N = 1e6 + 1e2, Q = N; using ll = long long; int n, q; ll a[N]; int sta[N]; struct q_t{ int l, r 阅读全文
posted @ 2023-02-11 20:32 CDsidi 阅读(117) 评论(0) 推荐(0) 编辑