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Challenges Single digit Roman numeral

AWK, 80 bytes {split("I V X L C D M 1 5 10 50 100 500 1000",d);for(;d[++i]!=$1;);print d[i+7]} Try it online! A quick map function. 'split' breaks the string into array elements. Find the stri...

posted 6mo ago by xrs‭  ·  edited 6mo ago by xrs‭

Answer
#2: Post edited by user avatar xrs‭ · 2024-05-20T14:51:35Z (6 months ago)
  • # [AWK], 80 bytes
  • {split("I V X L C D M 1 5 10 50 100 500 1000",d)
  • for(;d[++i]!=$1;);print d[i+7]}
  • [Try it online!][TIO-lwf2zcw2]
  • [AWK]: https://www.gnu.org/software/gawk/manual/gawk.html
  • [TIO-lwf2zcw2]: https://tio.run/##SyzP/v@/urggJ7NEQ8lTIUwhQsFHwVnBRcFXwVDBVMHQQMHUAEiCKDBtoKSTosmVll@kYZ0Sra2dGatoq2JorWldUJSZV6KQEp2pbR5b@/8/AA "AWK – Try It Online"
  • A quick map function. 'split' breaks the string into array elements. Find the string, and we know the Arabic numbers are always seven spots -> down the array from its Latin variant.
  • # [AWK], 80 bytes
  • {split("I V X L C D M 1 5 10 50 100 500 1000",d);for(;d[++i]!=$1;);print d[i+7]}
  • [Try it online!][TIO-lwf2zcw2]
  • [AWK]: https://www.gnu.org/software/gawk/manual/gawk.html
  • [TIO-lwf2zcw2]: https://tio.run/##SyzP/v@/urggJ7NEQ8lTIUwhQsFHwVnBRcFXwVDBVMHQQMHUAEiCKDBtoKSTosmVll@kYZ0Sra2dGatoq2JorWldUJSZV6KQEp2pbR5b@/8/AA "AWK – Try It Online"
  • A quick map function. 'split' breaks the string into array elements. Find the string, and we know the Arabic numbers are always seven spots -> down the array from its Latin variant.
#1: Initial revision by user avatar xrs‭ · 2024-05-20T14:51:03Z (6 months ago)
# [AWK], 80 bytes

    {split("I V X L C D M 1 5 10 50 100 500 1000",d)
    for(;d[++i]!=$1;);print d[i+7]}

[Try it online!][TIO-lwf2zcw2]

[AWK]: https://www.gnu.org/software/gawk/manual/gawk.html
[TIO-lwf2zcw2]: https://tio.run/##SyzP/v@/urggJ7NEQ8lTIUwhQsFHwVnBRcFXwVDBVMHQQMHUAEiCKDBtoKSTosmVll@kYZ0Sra2dGatoq2JorWldUJSZV6KQEp2pbR5b@/8/AA "AWK – Try It Online"

A quick map function. 'split' breaks the string into array elements. Find the string, and we know the Arabic numbers are always seven spots -> down the array from its Latin variant.