r=. *./"1@:(-: ~.)"1 (r *. r@:(0 2 1&|:)) q At a glance... More of a baseline than a solution, I'd say.
Marshall -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Roger Hui Sent: Monday, October 04, 2010 6:41 PM To: Programming forum Subject: [Jprogramming] Distinct Numbers in Rows and Columns An interesting puzzle arising from the KenKen solver: q is an array with shape (m,n,n) and (,q) e. 1+i.n . Which items of q have 1+i.n in each row and in each column? ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
