• [1353] Circles And Lines

  • 时间限制: 1000 ms 内存限制: 65535 K
  • 问题描述
  • Ok.A circle , x y is the centre,z is radius.
    A line , have pass the x1,y1,x2,y2.
    Ok,see example.
  • 输入
  • This have some cases.
    Each cases,have 7 numbers ,x,y,z,x1,y1,x2,y2.
  • 输出
  • See detail in the Sample Output please.
  • 样例输入
  • 0 0 1 1 0 1 1
    0 0 1 1 0 0 1
    0 0 1 2 0 0 2
    0 0 1 2 0 0 3
    
  • 样例输出
  • CASE 1: Tangent.
    Case 2: Intersect..
    CASE 3: Away...
    Case 4: Away....
    
  • 提示
  • 来源
  • Mr.wang *
  • 操作

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