Roman numerals/Decode: Difference between revisions

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(J)
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=={{header|J}}==
 
<lang j>rom2d=: [: (+/ .* _1 _1^ 0,~2 2</\ ]) 1 5 10 50 100 500 1000 {~ 'IVXLCDM'&i.</lang>
 
Example use:
Retrieved from "https://rosettacode.org/wiki/Roman_numerals/Decode"