Problem 63. Encode Roman Numerals

Created by Cody Team

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","targetMode":"","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","targetMode":"","relationshipId":"rId2","target":"/matlab/output.xml"}],"parts":[{"partUri":"/matlab/document.xml","relationship":[],"contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Create a function taking a non-negative integer as its parameter and returning a string containing the Roman Numeral representation of that integer.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>By convention, \"modern\" Roman numerals are written by expressing each digit separately starting with the leftmost digit and skipping any digit with a value of zero.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Examples</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>If n is 1990 then romStr = 'MCMXC' since 1000=M, 900=CM, 90=XC.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>If n is 2008 then romStr = 'MMVIII' since 2000=MM, 8=VIII.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>If n is 1666 then romStr = 'MDCLXVI'.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>If n is 0 then romStr is empty ([] and '' are both acceptable)</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>n will always be an integer between 0 and 3999 (inclusive).</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:i/></w:rPr><w:t>This problem is adapted from</w:t></w:r><w:r><w:rPr><w:i/></w:rPr><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://rosettacode.org/wiki/Roman_numerals/Encode\"><w:r><w:rPr><w:i/></w:rPr><w:t>Rosetta Code</w:t></w:r></w:hyperlink><w:r><w:rPr><w:i/></w:rPr><w:t>.</w:t></w:r></w:p></w:body></w:document>"},{"partUri":"/matlab/output.xml","contentType":"text/xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?><embeddedOutputs><metaData><evaluationState>manual</evaluationState><layoutState>code</layoutState><outputStatus>ready</outputStatus></metaData><outputArray type=\"array\"/><regionArray type=\"array\"/></embeddedOutputs>"}]}

Solve

Solution Stats

1849 Solutions
874 Solvers

Last Solution submitted on Jul 21, 2021

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

Cris Luengo on 15 Jul 2012

It would be good if Cody penalized huge strings. :)

Solution Comments

Solution 5117802

1 Comment

1 Comment

Chris Galbraith on 26 May 2021

Really neat solution!

Solution 219142

1 Comment

1 Comment

Dirk Engel on 20 Mar 2013

Solution uses regexprep with dynamic operators for the replacement expression which outsmarts Cody's size calculation.

Solution 49633

1 Comment

1 Comment

Kenz on 23 Feb 2012

This is just silly. It's gaming the Matlab grader, and not doing a particularly good job at that. Why should this stop at 3999?

Solution 33958

1 Comment

1 Comment

Kenz on 23 Feb 2012

Very nicely done.

Problem Recent Solvers874

Problem Tags

encoding lookup table

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Problem 63. Encode Roman Numerals

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers874

Suggested Problems

More from this Author95

Problem Tags

Community Treasure Hunt

Problem 63. Encode Roman Numerals

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers874

Suggested Problems

More from this Author95

Problem Tags

Community Treasure Hunt

Players