Problem 288. Construct a string from letters and counts

Created by Alex Feinman

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 two input arrays like this: [5,3,1] ['a','b','c']</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Output a string that contains each letter the specified number of times, e.g.:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[    'aaaaabbbc']]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>If given an invalid input (for example, a negative number), output the string 'ERROR'.</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

477 Solutions
138 Solvers

Last Solution submitted on Jan 30, 2023

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

Alex Feinman on 8 Feb 2012

Now with improved tests, and reference solution (which I'm sure you can beat).

Solution Comments

Show comments

Problem Recent Solvers138

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 288. Construct a string from letters and counts

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers138

Suggested Problems

More from this Author3

Problem Tags

Community Treasure Hunt

Problem 288. Construct a string from letters and counts

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers138

Suggested Problems

More from this Author3

Problem Tags

Community Treasure Hunt

Players