Input
Six numbers – the coordinates of the center and the radius of the circle and the coefficients A, B and C of the normal equation of the line.
Imprint
The first line contains one number K, equal to the number of points of intersection of the line with the circle. Next in K lines are the coordinates of the points themselves.
Examples
| # |
Input |
Output |
| 1 |
2 3 1 1 -1 0 |
2
3.00000 3.00000
2.00000 2.00000
|