摘要: #include<bits/stdc++.h> using namespace std; typedef long long ll; const int N=5e5+10; struct node{ int cnt; node * nxt[27]; node * fail; vector<node 阅读全文
posted @ 2020-07-17 22:49 朝暮不思 阅读(131) 评论(0) 推荐(0)