Problem 1174. Wheat on a chessboard pt 2

Created by Robert Turner

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","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\"?><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>If a chessboard were to have wheat placed upon each square such that x grains were placed on the first square and each successive square after had y times the amount of grains as the square before. How many grains of wheat would be on the chessboard at the finish?</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>Assume the chess board is n by n squares.</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

247 Solutions
68 Solvers

Last Solution submitted on Dec 30, 2020

Last 200 Solutions

Problem Comments

3 Comments

3 Comments

David on 7 Jan 2013

consider using isequalwithequalnans (isequaln) against NaN instead of isequal against 'NaN' in test 7.

Jean-Marie Sainthillier on 12 Mar 2013

n=-1 ???

Asif Newaz on 12 Jan 2020

how to place negative amount of 'wheat' on a chessboard?
the prob is gd but the test suites are unnecessarily jumbled up.

Solution Comments

Solution 186218

1 Comment

1 Comment

Robert Turner on 4 Jan 2013

This should also be slimmed down somehow.

Solution 186217

1 Comment

1 Comment

Robert Turner on 4 Jan 2013

Someone can easily beat this lead.

Problem Recent Solvers68

Problem Tags

chess exponential wheat word problems

Community Treasure Hunt

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

Start Hunting!

Problem 1174. Wheat on a chessboard pt 2

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers68

Suggested Problems

More from this Author4

Problem Tags

Community Treasure Hunt

Problem 1174. Wheat on a chessboard pt 2

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers68

Suggested Problems

More from this Author4

Problem Tags

Community Treasure Hunt

Players