This puzzle was "one of the most popular" of the Recreational APL puzzles that Eugene McDonnell has ever run, from 1981. I myself solved it at a time when I had no access to a computer and submitted a hand-written, untested entry.
On Tue, Feb 14, 2012 at 1:54 AM, Linda Alvord <lindaalv...@verizon.net>wrote: > Challenge 6 Many Many Cherry Trees PLEASE DO NOT RESPOND UNTIL 2/22/2012 > 12 am EST > > > > > > If necessary, ask questions, but try not to give away your strategy for > solving the challenge. > > > > Design a function with no restrictions on style or specific functions. > > It should produce a triangle similar to the ones shown below. Each row is a > successive scramble of the character string above it with one added symbol. > The final line is a scramble of the entire list. > > > > gw 'many' > > a > a n > a y n > a m y n > > > > gw 'many' > > m > y m > y a m > n a m y > > > > gw 'cherrytrees' > > s > r s > h s r > h r s y > y s r e h > e h r s r y > y r e s h e r > s e r r e y e h > e s t e r e y h r > r e r s t r y e e h > e r c r h y r e t s e > > a=:gw '%%%####' > > a,.a,.a,.a > > % % % % > % # % # % # % # > % # % % # % % # % % # % > % # # % % # # % % # # % % # # % > # % # % # # % # % # # % # % # # % # % # > # % # % % # # % # % % # # % # % % # # % # % % # > # % # # # % % # % # # # % % # % # # # % % # % # # # % % > > > > Linda > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
