Tczxw的专栏

#include using namespace std;struct Point{ double x, y; Point(double x = 0, double y = 0): x(x), y(y) {}};typedef Point Vector;Vector operator +(Vector A, Vector B)//{ return Vector(A.x + B.

#include //using namespcace std;const int maxn = 1510;const double EPS = 1E-12;struct Point{ double x, y;};Point convex[maxn];struct Line{ Point a, b; double ang;};Line l[maxn], st[maxn]

#include using namespace std;const int maxn = 50010;const double EPS = 1e-8;struct Point{ double x, y;};Point p[maxn];struct Line{ Point a, b;};Line l[maxn], st[maxn];int n;double opera

#include const int maxn = 1005;struct TPoint{ double x, y; TPoint operator - (const TPoint &a) const { TPoint p1; p1.x = x - a.x; p1.y = y - a.y; return p1; }};struct TCircle{ doubl