摘要: 递归版 #include<bits/stdc++.h> using namespace std; #define N 4000005 int n,m; const double Pi=acos(-1); int tr[N]; struct CP{ double x,y; }f[N],g[N]; CP 阅读全文
posted @ 2023-09-21 21:50 hubingshan 阅读(54) 评论(0) 推荐(0)