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2019 ICPC Nanjing 复现 #include <bits/stdc++.h> #pragma GCC optimize(3 , "Ofast" , "inline") using namespace std; typedef long long ll ; const int INF = 0x3f3f3f3f , N = 1010 ; void read(int &...

Over time, those coaches in BDN Collegiate Progranuning Contest split into two camps.The big danger is that, while optimists and pessimists battle it out, the environment of this area becomes ever mor...

2019icpc Nanjing K 比赛的时候怎么没想起来这么简单的做法啊 #include <bits/stdc++.h> #pragma GCC optimize(3 , "Ofast" , "inline") using namespace std; const double eps = 1e-7 ; struct node { double x , y ; bo...