摘要: 凸包板子 #include<iostream> #include<cstdio> #include<cmath> #include<cstring> #include<algorithm> using namespace std; struct Point { int x,y; }; Point a 阅读全文
posted @ 2020-10-26 19:00 mybing 阅读(89) 评论(0) 推荐(0) 编辑