海盗船

#include #include #include #include #define N 200#define inf 1e-6typedef struct{ double x; double y;}point;point points[N]; //点集point chs[N]; //栈int sp; //栈顶指针//计算两点之间距离doubl

#include#include#includestruct P{ double x,y;}p[101],stack[101];/*double getradiusby3point(double x1,double y1,double x2,double y2,double x3,double y3){ double x,y; double a11,a12,a21,a22