2014年12月19日
UVA 11355 Cool Points( 极角计算 )
摘要： We have a circle of radius R and several line segments situated within the circumference of this circle. Let’s define acool pointto be a point on the ... 阅读全文
posted @ 2014-12-19 12:40 hl_mark 阅读(294) 评论(0) 推荐(0)