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    \$\begingroup\$ Since the challenge has no required aspect ration you can save length by just using 1 . \$\endgroup\$ Commented Jun 28, 2021 at 14:08
  • \$\begingroup\$ Ahh! That's good news! \$\endgroup\$ Commented Jun 28, 2021 at 14:15
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    \$\begingroup\$ I also got to learn that having a return type is not necessary in --C90! \$\endgroup\$ Commented Jun 28, 2021 at 16:55
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    \$\begingroup\$ Suggest p(s)puts(#s"█\e[0m") instead of p(s) printf(#s"█\e[0m\n") \$\endgroup\$ Commented Jul 1, 2021 at 2:31