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Code Golf

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    \$\begingroup\$ well you could say this is AWKward. I’ll show myself out. edit: originally I planned for the question to shun using sqrt, but there’s too many answers and I’ll get tort if I change it so my original idea works. \$\endgroup\$ Commented Oct 27, 2017 at 19:17
  • \$\begingroup\$ 'AWK' puns are fun :) \$\endgroup\$ Commented Oct 28, 2017 at 13:19
  • \$\begingroup\$ instead of sqrt($1) you can use $1^.5 \$\endgroup\$ Commented Oct 29, 2017 at 22:42
  • \$\begingroup\$ Thanks @Cabbie407 don't know why I didn't think of that. \$\endgroup\$ Commented Oct 30, 2017 at 13:52
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    \$\begingroup\$ You're welcome. Some other things: you don't need the \n to get the output, the printf in awk doesn't need parentheses and the formula can be shortened to s/2+$1/s/2, which results in {s=int($1^.5);printf"%.2f",s/2+$1/s/2}. Sorry if this comment seems rude. \$\endgroup\$ Commented Oct 31, 2017 at 0:18