Problem 53. Duplicates

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>Write a function that accepts a cell array of strings and returns another cell array of strings</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>with only the duplicates</w:t></w:r><w:r><w:t> retained.</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=\"code\"/></w:pPr><w:r><w:t><![CDATA[ Input  strs = {'a','b','a'}\n Output dups is 'a'\n\n Input  strs = {'a','b','c'}\n Output dups is Empty cell array: 0-by-1]]></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

2388 Solutions
1179 Solvers

Last Solution submitted on Aug 02, 2020

Last 200 Solutions

Problem Comments

3 Comments

3 Comments

Jean-Marie Sainthillier on 24 May 2014

Why not just an isequal(correct,result) in the tests?
Consequently, a lot of solutions leave duplicates in the result.

Erik Zdansky on 7 Feb 2016

How should higher multiplets be treated?

mehmet muhammet cesur on 8 Jun 2020

güzell

Solution Comments

Solution 399839

1 Comment

1 Comment

Pascal Geschwill on 20 Mar 2014

That's cheating :D

Solution 73896

1 Comment

1 Comment

Steffen Zelzer on 31 Jan 2018

This doesn't need the first line of code at all ...

Solution 6732

1 Comment

1 Comment

@bmtran (Bryant Tran) on 26 Jan 2012

ah, i didn't realize that you could leave duplicates in the final result and still have it pass the test cases; nicely done

Problem Recent Solvers1179

Problem Tags

matlab sets strings

Problem 53. Duplicates

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers1179

Suggested Problems

More from this Author95

Problem Tags

Problem 53. Duplicates

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers1179

Suggested Problems

More from this Author95

Problem Tags

Players