Problem 42461. This is a palindrome and so am I

Created by Tomasz

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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>A palindrome is a sequence of characters which reads the same backward or forward, for instance</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>'a man a plan a canal panama'</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>is a palindrome. Write a function that,</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>a)</w:t></w:r><w:r><w:t> given a string input, returns true or false depending on whether this string is a palindrome (up to white-spaces) or not.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>b)</w:t></w:r><w:r><w:t> The function's source code must be a palindrome.</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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186 Solutions
32 Solvers

Last Solution submitted on May 18, 2022

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2 Comments

Carl Witthoft on 4 Nov 2015

kinda cheating if you allow comments lines as part of the palindrome

Rafael S.T. Vieira on 30 Aug 2020

Not really. The definition of palindrome does not require that letters or words have some special meaning besides their order. Moreover, the problem author adds a comment section to the default solution that tips using comments as an expected kind of behavior. Finally, all valid solutions to this problem so far use comments except people that identify their own file and mark it as valid palindrome or use some hack (and that's cheating.)

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Problem 42461. This is a palindrome and so am I

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Problem 42461. This is a palindrome and so am I

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