摘要: #include<stdio.h> #include<algorithm> #include<utility> typedef long long ll; const int N=4e5+5; const ll inf=1e18; struct line{ ll k,b; line(ll _k=0, 阅读全文
posted @ 2025-11-05 16:01 gevenfeng 阅读(6) 评论(0) 推荐(0)