摘要： Problem E2D Geometry 110 in 1!This is a collection of 110 (in binary) 2D geometry problems.CircumscribedCircle x1 y1 x2 y2 x3 y3Find out the circumscribed circle of triangle (x1,y1)-(x2,y2)-(x3,y3). These three points are guaranteed to be non-collinear. The circle is formatted as (x,y,r) where (x,y) 阅读全文