Problem 795. Joining Ranges

Created by Dirk Engel

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>You are given a n-by-2 matrix. Each row represents a numeric range, e.g.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[x = [0 5; 10 3; 20 15; 16 19; 25 25]]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>contains ranges [0 5], [10 3], [20 15], [16 19], and [25 25]. Note that the first column does not always contain the smaller number. Join all overlapping ranges and return the sorted (both columns and all rows must be sorted) matrix of joined ranges</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[y = [0 10; 15 20; 25 25]]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>i.e. ranges [0 5] and [10 3] are combined to [0 10], range [16 19] is completely overlapped by [15 20] and [25 25] is kept because it is a separate range.</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

589 Solutions
192 Solvers

Last Solution submitted on Apr 18, 2021

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

Kunjunni Mohanan on 1 Sep 2020

nice problem

Solution Comments

Solution 2720472

1 Comment

1 Comment

Mayank Bajpai on 9 Oct 2020

expected it to be the leading solution. :(

Problem Recent Solvers192

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 795. Joining Ranges

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers192

Suggested Problems

More from this Author1

Problem Tags

Community Treasure Hunt

Problem 795. Joining Ranges

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers192

Suggested Problems

More from this Author1

Problem Tags

Community Treasure Hunt

Players