Problem 1124. String permutations on phone keyboard

Created by Mehmet OZC

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{"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>Given a number such as 2639 return all possible string permutations using the phone-keyboard on</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://www.mathworks.com/matlabcentral/cody/problems/1069-phoneword-translator\"><w:r><w:t>Problem 1069</w:t></w:r></w:hyperlink><w:r><w:t>.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>input = 2639</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>output = {'amdw' 'amdx' 'amdy' ... 'andy' 'andz' ... 'body' 'bodz' ... 'cody' ... 'cofz'}</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>"}]}

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46 Solutions
28 Solvers

Last Solution submitted on Sep 01, 2020

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1 Comment

1 Comment

Rafael S.T. Vieira on 1 Sep 2020 at 21:00

This problem needs more test cases, and include the number 1 as well as complete phone numbers.

Solution Comments

Solution 178930

1 Comment

1 Comment

Jean-Marie Sainthillier on 20 Aug 2013

Amazing. It's a poem...

Solution 178688

2 Comments

2 Comments

Aurelien Queffurust on 18 Dec 2012

This solution which is leading solution is not correct when the input x is a single number. For example if x = 2 , you expect a,b,c instead you only return a

Takehiko KOBORI on 18 Dec 2012

Thank you for your advice.
I correct it.

Solution 178642

1 Comment

1 Comment

sea knowledge on 18 Dec 2012

why the given result is in the format of cell,not char,why 'amdw'~='admw',which my matlab only give the latter,rather than the former one

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phone string permutations

Problem 1124. String permutations on phone keyboard

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Problem 1124. String permutations on phone keyboard

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