Problem 1875. GJam: 2013 China Event: Cannon Angle

Created by Richard Zapor

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>This Challenge is derived from</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://code.google.com/codejam/contest/2933486/dashboard#s=p1\"><w:r><w:t>GJam 2013 China Captain Hammer</w:t></w:r></w:hyperlink><w:r><w:t>. The problem is modified to fit within Cody dimensions.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>The Challenge is to return the lower angle of a cannon given a target distance and an initial cannonball velocity. Gravity is a constant at 9.8m/sec^2, A valid solution is assured. (Error tolerance 2e-6).</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>Input:</w:t></w:r><w:r><w:t> [v d] Velocity and Distance in meters.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>Output:</w:t></w:r><w:r><w:t> theta in units of degrees with an accuracy of 2e-6</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>Competition Summary:</w:t></w:r><w:r><w:t> Best Time of 8 minutes, 755/1070 completed</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>The winner completed all three GJam China Challenges in 26 minutes with second at 43 minutes.</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

39 Solutions
20 Solvers

Last Solution submitted on Aug 15, 2023

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

James on 16 Sep 2013

It's not enough to bash in heads, you've got to bash in minds!

Santosh Kasula on 10 Feb 2014

Richard, last test was not complete so I added the assert statement that was missing.

Solution Comments

Show comments

Problem Recent Solvers20

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 1875. GJam: 2013 China Event: Cannon Angle

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers20

Suggested Problems

More from this Author294

Problem Tags

Community Treasure Hunt

Problem 1875. GJam: 2013 China Event: Cannon Angle

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers20

Suggested Problems

More from this Author294

Problem Tags

Community Treasure Hunt

Players