摘要: https://codeforces.com/contest/1473/problem/E vector存图: 1 #define bug(x) cout<<#x<<" is "<<x<<endl 2 #define IO std::ios::sync_with_stdio(0),cin.tie(0 阅读全文
posted @ 2021-02-11 12:19 Venux 阅读(91) 评论(0) 推荐(0) 编辑