摘要：
Tunnel Warfare Time Limit: 1000MS Memory Limit: 131072K Total Submissions: 10758 Accepted: 4448 Description During the War of Resistance Against Japan 阅读全文
摘要：
fhq-treap基本操作 代码 #include<bits/stdc++.h> using namespace std; const int maxn=1e5+5; int t; struct fhq_treap { int l,r,v,rnd,siz; }fhq[maxn]; int tot,r 阅读全文