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因为我第1次忘记写判断弦在多边形内了，居然也过了，ft

Posted by lympanda at 2004-11-18 17:09:47 on Problem 2066
In Reply To:为什么? Posted by:benben at 2004-11-18 15:22:43

Followed by:

啊啊啊！！！！判断函数至少占了程序的一半 (0) atlas_of_rruucc 2004-11-18 17:12:42
- 判断形内不麻烦吧，在跟其他边不相交的基础上，判断中点是否在形内就够了 (0) lympanda 2004-11-18 17:15:35
  - 用叉积就可以了 (2) xiaomi 2004-11-18 17:56:49
    - 我想过，没想出来 (9) benben 2004-11-18 18:09:07
  - 和我的方法一样 (10) benben 2004-11-18 18:08:16

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