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  • \$\begingroup\$ You can save some bytes: tio.run/##K0nO@f8/… \$\endgroup\$ Commented Oct 23, 2017 at 0:40
  • \$\begingroup\$ Please be careful to test stuff before suggesting edits. ! has higher precedence than %, so the ==0 remains... Other edits made from your suggestion. Thanks! \$\endgroup\$ Commented Oct 23, 2017 at 1:49
  • \$\begingroup\$ I tested it on my local machine and it seemed to work \$\endgroup\$ Commented Oct 23, 2017 at 9:18
  • \$\begingroup\$ Nobody else is testing the validity of the inputs, so you can remove the 1. line. \$\endgroup\$ Commented Nov 18, 2023 at 19:41
  • \$\begingroup\$ You can save bytes, replacing ==0 by <1 \$\endgroup\$ Commented May 9 at 7:36