Problem 42406. Divisible by 4

Created by goc3

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>Pursuant to the</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2\"><w:r><w:t>first problem</w:t></w:r></w:hyperlink><w:r><w:t> in this series, this one involves checking for divisibility by 4.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Write a function to determine if a number is divisible by 4. This can be checked by a few slightly different methods:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"2\"/></w:numPr></w:pPr><w:r><w:t>Check the last two digits for divisibility by four.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"2\"/></w:numPr></w:pPr><w:r><w:t>From the</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"https://en.wikipedia.org/wiki/Divisibility_rule\"><w:r><w:t>wikipedia reference page</w:t></w:r></w:hyperlink><w:r><w:t>: \"If the tens digit is even, the ones digit must be 0, 4, or 8.If the tens digit is odd, the ones digit must be 2 or 6.\"</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"2\"/></w:numPr></w:pPr><w:r><w:t>Check the following sum for divisibility by four: twice the tens digit plus the ones digit.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Previous problem:</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://www.mathworks.com/matlabcentral/cody/problems/42405-divisible-by-3\"><w:r><w:t>divisible by 3</w:t></w:r></w:hyperlink><w:r><w:t>. Next problem:</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://www.mathworks.com/matlabcentral/cody/problems/42407-divisible-by-5\"><w:r><w:t>divisible by 5</w:t></w:r></w:hyperlink><w:r><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

507 Solutions
198 Solvers

Last Solution submitted on Sep 17, 2021

Last 200 Solutions

Problem Comments

Solution Comments

Solution 1407234

1 Comment

1 Comment

J. S. Kowontan on 30 Mar 2018

In general, this solution is not valid for single digit numbers.

Solution 1208876

1 Comment

1 Comment

Asif Iqbal on 9 Jun 2017

code won't work for 0,4,8 I just took advantage of test code :(

Solution 691555

1 Comment

1 Comment

J. S. Kowontan on 30 Mar 2018

If input n_str = < '9', then you get Error: Subscript indices must either be real positive integers or logicals.

Problem Recent Solvers198

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 42406. Divisible by 4

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers198

Suggested Problems

More from this Author139

Problem Tags

Community Treasure Hunt

Problem 42406. Divisible by 4

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers198

Suggested Problems

More from this Author139

Problem Tags

Community Treasure Hunt

Players