10 2021 档案

差分约束
摘要：#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; const ll inf = 0x3f3f3f3f; const ll N = 5e5 + 9; struct edg 阅读全文
posted @ 2021-10-29 21:37 u_yan 阅读(43) 评论(0) 推荐(0)
凸包模板
摘要：#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; const ld eps = 1e-8; const int N = 50009; const ld pi = aco 阅读全文
posted @ 2021-10-19 10:24 u_yan 阅读(24) 评论(0) 推荐(0)