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Class: PuzzleSolvers.SandwichWraparoundUniquenessConstraint

Summary

Describes a “sandwich wraparound” constraint: the numbers that follow a specific number and precede a specific other number, wrapping around the grid if necessary, must sum up to a specified total. This constraint implies a uniqueness constraint.

Remarks

Warning: This constraint is very memory-intensive. It is implemented as a CombinationsConstraint with all of the possible number combinations for the specified set of cells. Avoid using this on oversized puzzles.

Constructors

SandwichWraparoundUniquenessConstraint(int value1, int value2, int sum, IEnumerable<int> affectedCells, int minValue = 1, int maxValue = 9)
Constructor.

Instance methods

ConstraintResultRefer to the documentation for Constraint.Process.
stringOverride.

Static methods

int
TranslateCoordinate(string str, int gridWidth = 9)
Converts a convenient coordinate notation into a puzzle-grid index.
IEnumerable<int>
TranslateCoordinates(string str, int gridWidth = 9)
Converts a convenient coordinate notation into puzzle-grid indices.

Instance properties

int[]The group of cells affected by this constraint, or null if it affects all of them.
boolRefer to the documentation for Constraint.CanReevaluate.
int?[][]The set of combinations allowed for the specified set of cells.
int?Refer to the documentation for Constraint.NumCombinations.
intThe total that the sandwiched numbers must sum up to.
intThe number that forms the beginning of the sandwich.
intThe number that forms the end of the sandwich.