# Return to Revisions

3 of 3 Added Notice

To subtract one (-1), instead of doing this

(i - 1) * 2


do the following

~-i * 2


which will save you 2 bytes in cases where you otherwise have to use brackets (e.g. arithmetics).

 answered Aug 26 '16 at 21:07 Markus 8111 silver badge22 bronze badges