The total number of cells in the Sudoku grid. This is calculated by squaring the uniqueDigitsCount. Each cell within the grid can hold one of the uniqueDigitsCount distinct digits (or symbols).

uniqueDigitsCount

val uniqueDigitsCount: Int

The number of distinct digits used in the Sudoku grid. This represents the total number of unique symbols that can be placed within a single cell of the Sudoku. It is calculated as the product of the grid width and height.

width

val width: Int

The width of the Sudoku grid.

Functions

areCellsInSameBox

fun Dimension.areCellsInSameBox(cellIndex1: Int, cellIndex2: Int): Boolean

Checks if two cells are in the same box based on their indices.

fun Dimension.areCellsInSameBox(row1: Int, col1: Int, row2: Int, col2: Int): Boolean

This alternative way to check if two cells are in the same box uses their row and column indices directly.

areCellsInSameColumn

fun Dimension.areCellsInSameColumn(cellIndex1: Int, cellIndex2: Int): Boolean

Checks if two cells are in the same column based on their indices.

areCellsInSameRow

fun Dimension.areCellsInSameRow(cellIndex1: Int, cellIndex2: Int): Boolean

Checks if two cells are in the same row based on their indices.

areCellsRelated

fun Dimension.areCellsRelated(row1: Int, col1: Int, row2: Int, col2: Int): Boolean

Checks if two cells are related (in the same row, column, or box) based on their row and column indices.

getAllDigits

fun Dimension.getAllDigits(): List<Int>

Returns a list containing all valid digits (1 to Dimension.digits) for the Sudoku.

getBoxCoordinates

fun Dimension.getBoxCoordinates(row: Int, col: Int): BoxCoordinates

Returns the top-left and bottom-right coordinates of the box containing the cell at the specified row and column.

getBoxIndex

fun Dimension.getBoxIndex(row: Int, col: Int): Int

Returns the box index (within the range 0 to Dimension.boxes - 1) for a given cell at the specified row and column.

getCellBoxColumnIndex

fun Dimension.getCellBoxColumnIndex(cellIndex: Int): Int

Returns the box column index (within the range 0 to (Dimension.width - 1 / Dimension.boxWidth - 1)) for a given cell index.

getCellBoxRowIndex

fun Dimension.getCellBoxRowIndex(cellIndex: Int): Int

Returns the box row index (within the range 0 to (Dimension.height - 1 / Dimension.boxHeight - 1)) for a given cell index.

getCellColumnIndex

fun Dimension.getCellColumnIndex(cellIndex: Int): Int

Returns the column index (within the range 0 to Dimension.width - 1) for a given cell index.

getCellCoordinates

fun Dimension.getCellCoordinates(row: Int, col: Int): CellCoordinates

getCellRowIndex

fun Dimension.getCellRowIndex(cellIndex: Int): Int

Returns the row index (within the range 0 to Dimension.height - 1) for a given cell index.

isDigitValid

fun Dimension.isDigitValid(digit: Int): Boolean

Checks if a given digit is valid within the range of allowed digits for this Sudoku (1 to Dimension.digits).

toString

override fun toString(): String

Returns a string representation of the Sudoku dimension.