摘要: #include<bits/stdc++.h> using namespace std; const int N = 1e6 + 10; struct CMT { int seq[N << 1], rt[N], tot, m; struct { int l, r; long long sum; } 阅读全文
posted @ 2021-04-13 21:42 _LH2000 阅读(57) 评论(0) 推荐(0) 编辑