codeforce 789 div2 b2
摘要：
#pragma GCC optimize(2) #pragma GCC optimize(1) #include<bits/stdc++.h> typedef long long ll; typedef unsigned long long ull; const ull base=131; #def 阅读全文
posted @ 2022-05-09 11:14 zesure 阅读(19) 评论(0) 推荐(0) 编辑
