摘要: https://www.luogu.com.cn/problem/P3369 \(fhq\_treap\) #include<bits/stdc++.h> #define N 100005 using namespace std; struct node { int v,sz,ls,rs,rk; } 阅读全文
posted @ 2020-08-09 08:09 GK0328 阅读(125) 评论(0) 推荐(0) 编辑