NOI2015的专栏

#include #include #include #include using namespace std; const double precision = 1e-3, inf = 99999.0; struct Point { double x, y; }; inline int dblcmp(double p) { if (fabs(p) < precision) r

#include #include #include #include const double eps = 1e-8; inline double delt(double a) { return (fabs(a) 0 ? 1 : -1; } #define N 1005 #define inf 1e20 using namespace std; struct TPoi

#include #include #include #include #include using namespace std; struct Node { int x, y, se, d, c; }; queue Q; int move[4][2] = {-1, 0, 1, 0, 0, -1, 0, 1}; int vis[11][11], mat[11][11], c