1 //@auther Yang Zongjun 2 #include <iostream> 3 #include <cstdio> 4 #include <cmath> 5 #include <algorithm> 6 #include <string> 7 #include <cstring> 8 9 using namespace std; 10 #define PI acos(-1.0) 11 #define EPS 1e-8 12 const int MAXN = 1100000; 13 const int INF = 2100000000; 14 15 16 17 int main() 18 { 19 //freopen("C:/Users/Administrator/Desktop/input.txt", "r", stdin); 20 21 return 0; 22 }