摘要: 本场链接:AtCoder Beginner Contest 216 A - Signed Difficulty #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> pii; 阅读全文
posted @ 2021-08-30 11:07 随处可见的阿宅 阅读(147) 评论(0) 推荐(0) 编辑