Types: 
- n: int
- w: int
- h: int
- r: int
- v_x: int
- v_y: int
- x_i: int
- y_i: int

Ranges:
- 2 ≤ n ≤ 11
- 4 ≤ w, h ≤ 1000
- 1 ≤ r ≤ 100
- -10,000 ≤ v_x, v_y ≤ 10,000 and (v_x, v_y) ≠ (0, 0)
- r < x_i < w - r
- r < y_i < h - r

Addtl Info:
- The number of datasets is less than 100.