http://qs321.pair.com?node_id=11128480


in reply to Re^2: Brute force vs algorithm (PWC # 100)
in thread Brute force vs algorithm (PWC # 100)

Yes, it is. I wasn't able to come up with a top down algorithm.

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]