摘要: https://www.luogu.org/problem/P4716 #include<bits/stdc++.h> #define ll long long #define rep(ii,a,b) for(int ii=a;ii<=b;++ii) #define per(ii,a,b) for( 阅读全文
posted @ 2019-10-05 19:23 nervending 阅读(184) 评论(0) 推荐(0) 编辑