Problem 2270. Bit calculation

Created by Debopam

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>Give me the count of numbers from 1 to n having their last two bits as 0.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>For example</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>function y = ret_count(4)</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[y = x;]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>end</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Here 4 means you have to check the numbers between 1 to 4.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>So the answer will be 1 as binary value of 4 is 00000100.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Here n in the function is the number of numbers to be checked starting from 1.</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

309 Solutions
151 Solvers

Last Solution submitted on May 24, 2022

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

Nguyen Gia on 28 Mar 2022

i think cody has problem with input argument of type "double". When I use Matlab IDE i got the total correct answer

Solution Comments

Solution 428736

1 Comment

1 Comment

Jan Orwat on 8 Apr 2014

shouldn't pass

Problem Recent Solvers151

Problem Tags

binary count number

Community Treasure Hunt

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

Start Hunting!

Problem 2270. Bit calculation

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers151

Suggested Problems

More from this Author9

Problem Tags

Community Treasure Hunt

Problem 2270. Bit calculation

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers151

Suggested Problems

More from this Author9

Problem Tags

Community Treasure Hunt

Players