HHC 2021 Programming Contests - Surprise !

[Sylvain Cote]

(10-06-2021 05:35 PM)Werner Wrote:  It doesn't use any synthetics or CX commands. The listing is in 42S code, the corresponding 41 code is 88 bytes without the END. Stack-only, of course ;-)

Almost, ALENG is part of X-Functions module (CX built-in).