摘要: https://codeforces.com/problemset/problem/892/E 把询问离线,分步回答. #include<bits/stdc++.h> #define ll long long #define rep(ii,a,b) for(int ii=a;ii<=b;++ii) 阅读全文
posted @ 2019-11-18 12:42 nervending 阅读(294) 评论(0) 推荐(0) 编辑