摘要: https://codeforces.com/contest/1722/problem/A #include<bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<int,int> PII; const int 阅读全文
posted @ 2022-08-31 20:37 Vijurria 阅读(25) 评论(0) 推荐(0) 编辑