December 2011 Cook-off Problem Editorials

Problem Setter for the contest was Hiroto Sekido.

Problem Tester for the contest was shangjingbo.

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CIEL8STR : Ciel and New Menu

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CIELAB : Ciel and A-B Problem

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CIELBTL : Ciel and Battle Arena

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CIELQUIZ : Ciel and Quiz Game

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CIELWALK : Ciel and Random Walk

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1★thomasahle @ 19 Dec 2011 03:09 AM

@rahulsingal14 Because the expression is linear in P_z, it is either at max if P_z is minimized or maximized.