Does anyone remember how to efficiently solve problems like this: (I think we have solved similar issues in the past, but I am not finding the relevant messages.)
Given a list of positions for left and right parenthesis, arranged in ascending order: 12 34 36 47 70 30 44 54 59 82 Return the positions for the right parenthesis arranged to correspond with their matching left parenthesis. 30 59 44 54 82 Thank you, -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
