摘要: A:http://codeforces.com/contest/1426/problem/A #include <bits/stdc++.h> using namespace std; typedef long long ll; const int maxn=1e5+50; int a[maxn]; 阅读全文
posted @ 2020-10-01 23:04 liyexin 阅读(173) 评论(0) 推荐(0)