Chyba tu chodzi o takie coś:
struct Point
{
int x, y;
};
void symetria_wzgl_OX(Point& point)
{
point.y = -point.y;
}
void symetria_wzgl_OY(Point& point)
{
point.x = -point.x;
}
void symetria_wzgl_O(Point& point)
{
symetria_wzgl_OX(point);
symetria_wzgl_OY(point);
}
Point srodkowy_punkt(Point point1, Point point2)
{
Point.x = (point1.x + point2.x) / 2;
Point.y = (point1.y + point2.y) / 2;
return point;
}