摘要: Codeforces Round #790 (Div. 4) A - Lucky? #include<bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> pii; const int N=1e 阅读全文
posted @ 2022-05-12 22:18 menitrust 阅读(24) 评论(0) 推荐(0) 编辑