Problem 1164. Sum the Digits of a Number

Created by Joseph Kirk

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","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\"?><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 an integer, sum the digits repeatedly until you end up with a single value less than 10.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>For example, if you add the digits of the number 123456789, you get 1+2+3+4+5+6+7+8+9 = 45, and then 4+5 = 9</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>The input will be a string of digits. The output should be the scalar value of the repeated sum of digits.</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

741 Solutions
223 Solvers

Last Solution submitted on Dec 02, 2020

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

RA on 14 Jun 2014

Nice Problem.

Problem Recent Solvers223

Problem Tags

digits sum

Community Treasure Hunt

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

Start Hunting!

Problem 1164. Sum the Digits of a Number

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers223

Suggested Problems

More from this Author3

Problem Tags

Community Treasure Hunt

Problem 1164. Sum the Digits of a Number

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers223

Suggested Problems

More from this Author3

Problem Tags

Community Treasure Hunt

Players