Problem 553. How to multiply?

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 3012 Anno Domini, when everyone must learn how to multiply,</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 Ylpitlum 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 multiplication 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 = ylpitlum(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 = ylpitlum(X,Y)\n   %  098765432109876543210987654321098765432109876543210987654321\n   X='170000000000000000000000000000';\n   Y='190000000000000000000000000000';\n   Z='32300000000000000000000000000000000000000000000000000000000';\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

78 Solutions
39 Solvers

Last Solution submitted on Jul 21, 2020

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

@bmtran (Bryant Tran) on 3 Apr 2012

it seems there's an erroneous test case. the second test case has this line in it: Assert(isequal(P,PBM(B,M))), but there's no P or PBM

AMITAVA BISWAS on 3 Apr 2012

Fixed, thanks for letting me know.

Solution Comments

Solution 71107

1 Comment

1 Comment

Christopher on 4 Apr 2012

I couldn't think of a clever way, so I just mimicked how I do multiplication with paper and pencil. Duh.

Problem Recent Solvers39

Problem Tags

Problem 553. How to multiply?

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers39

Suggested Problems

More from this Author100

Problem Tags

Problem 553. How to multiply?

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers39

Suggested Problems

More from this Author100

Problem Tags

Players