(48G) GCD: Greatest Common Divisor

[Thomas Klemm]

(09-01-2018 04:14 PM)Werner Wrote:  Still, I can get it shorter:

Can somebody explain how the size of these programs are determined?

It puzzles me a bit that this program uses 22.5 bytes:

Code:

« WHILE REPEAT END »

Whereas this longer program uses only 20 bytes:

Code:

« WHILE REPEAT SWAP END »

Thanks in advance
Thomas