Problem 45487. Check Digit - 02

Created by Asif Newaz

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>Given a list of ISBN's, check whether they're valid or not.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Prev Prob -</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"https://www.mathworks.com/matlabcentral/cody/problems/45486\"><w:r><w:t>&lt;https://www.mathworks.com/matlabcentral/cody/problems/45486</w:t></w:r></w:hyperlink><w:r><w:t>&gt;</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

29 Solutions
20 Solvers

Last Solution submitted on Aug 27, 2020

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

bainhome on 2 May 2020

I saw you optimize it again, Binbin have to work harder...
cospi is some move indeed.Inspired by that, I used it in generating a checkboard matrix(cody problem 4).

Solution Comments

Solution 2250310

1 Comment

1 Comment

Yuan on 2 May 2020

wrote this just to see the leading solution. If you are looking for a good solution to avoid multiple if-else or try-catch, please redirect yourself to Solution 2249978.

Solution 2247384

3 Comments

3 Comments

bainhome on 1 May 2020

Excellent work! It's good to see you back.

Yuan on 2 May 2020

well this is triggered and inspired by the blog post of you and binbin!

bainhome on 2 May 2020

haha, know this: after you post this solution, Binbin took a while to figure out how to beat this sol in size
and he actually did it.:)

Problem Recent Solvers20

Problem Tags

isbn number

Problem 45487. Check Digit - 02

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers20

Suggested Problems

More from this Author148

Problem Tags

Problem 45487. Check Digit - 02

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers20

Suggested Problems

More from this Author148

Problem Tags

Players