December 2012 Cook-Off Problem Editorials

Problem Setter for the contest was David Stolp .

Problem Tester for the contest was Anton Lunyov.

Editorialist for the contest was Pradeep Mathias.

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DIRECTI : Reversing directions

Editorial

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EXGCD : Expected Greatest Common Divisor

Editorial will be updated soon.

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GRIDGAME : Game on a Grid

Editorial will be updated soon.

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MUFFINS3 : Packaging Cupcakes

Editorial

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TREEROOT : Root of the Problem

Editorial