Problem 563. How to add?

Created by AMITAVA BISWAS

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=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>Imagine you are in 2222 Anno Domini, when everyone must learn how to add,</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>and competing for the highly prestigious post of,</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>Chief Comptroller of Dda Corporation.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>You are being tested via</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://www.mathworks.com/matlabcentral/cody\"><w:r><w:t>MATLAB Cody</w:t></w:r></w:hyperlink><w:r><w:t> for addition of two positive integers X and Y,</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>both are fortunately in decimal system, and only a few dozen digits or less,</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>and delivered as ASCII strings.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>Please output the result Z in similar style.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>Please adopt a general strategy, as X and Y may be changed later.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>Please rename the function Z = dda(X,Y).</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>Function Template:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[function Z = dda(X,Y)\n   X='98765432109876543210987654321098765432109876543210987654321'\n   Y='98765432109876543210987654321098765432109876543210987654321'\n   Z='197530864219753086421975308642197530864219753086421975308642';\nend]]></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

685 Solutions
103 Solvers

Last Solution submitted on Dec 08, 2021

Last 200 Solutions

Problem Comments

Solution Comments

Solution 6984634

1 Comment

1 Comment

Dyuman Joshi on 28 Nov 2021 at 17:07

Difficult for someone like me who is not acquainted with java big integer operations.

Solution 289221

1 Comment

1 Comment

J. S. Kowontan on 8 Apr 2018

Consider X = '0' and Y = '0'....then your output will be "1×0 empty char array", instead of Z = '0'. :)

Solution 74666

1 Comment

1 Comment

Aurelien Queffurust on 4 Jul 2012

ok respect :!!!!

Problem Recent Solvers103

Problem Tags

add arithmetic carry high long precision ripple string

Community Treasure Hunt

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

Start Hunting!

Problem 563. How to add?

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers103

Suggested Problems

More from this Author100

Problem Tags

Community Treasure Hunt

Problem 563. How to add?

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers103

Suggested Problems

More from this Author100

Problem Tags

Community Treasure Hunt

Players