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R-By-C Crozzle: An Np-Hard Problem, Michelle Gower, Ralph W. Wilkerson
R-By-C Crozzle: An Np-Hard Problem, Michelle Gower, Ralph W. Wilkerson
Computer Science Faculty Research & Creative Works
In an Australian Magazine, a Monetary Prize is Awarded to the Person with the Best Answer to a Word Puzzle Called a Crozzle. the Placement of Words into a Ten by Fifteen Grid Obtaining the Highest Score is the Best Answer. Various Search Techniques Have Been Employed to Solve This Problem, Yet No One Has Shown Whether There is a Polynomial-Time Algorithm to Find the Best Crozzle. This Paper Creates a Similar Word Puzzle, Called R-By-C Crozzle, by Lifting the Constraint on the Grid Size. R-By-C Crozzle is Not in NP, But There Exists a Polynomial Reduction to It from …