二维凸包 | 燃烧的冰块_husky's blog

[rsdbkhusky]

https://rsdbkhusky.github.io/2021/10/07/%E4%BA%8C%E7%BB%B4%E5%87%B8%E5%8C%85/

P2742 USACO5.1 圈奶牛Fencing the Cows /【模板】二维凸包123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657#include<bits/stdc++.h>using namespace std;co