[UVA][隨機化] 11055 - Homogeneous squares
2006/2007 ACM International Collegiate Programming Contest
University of Ulm Local Contest
Homogeneous squares
Assume you have a square of size n that is divided into n×n
positions just as a checkerboard.
Two positions (x1,y1) and (x2,y2),
where 1 ≤ x1,y1,x2,y2...
