UVa 12304. 2D Geometry 110 in 1!


計算幾何 6 和 1.

http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=3726
http://www.cppblog.com/aswmtjdsj/archive/2011/10/17/158526.html
https://gist.github.com/lychees/6301384