摘要: 先占个坑,逊完了再补... #include<bits/stdc++.h> #define ll long long using namespace std; const ll N=1e7+2; ll n,tot,cnt,ans,anss,st,ans2,ans3; ll w[N<<1],fir[N 阅读全文
posted @ 2022-06-08 20:35 _Youngxy 阅读(67) 评论(0) 推荐(0)