Public/IsColumnPlacementValid.ps1
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<# .SYNOPSIS Determines if a number placement is valid .DESCRIPTION Based on column and number, determines if the placement is valid. .PARAMETER SudokuGrid The current Sudoku grid .PARAMETER Column The column of the placement to attempt, this must be in the range 1-9 .PARAMETER Number The number to be tried, this must be in the range 1-9 .EXAMPLE IsColumnValidPlacement(Grid, 1, 1) #where 1, 1 is the column and number .INPUTS Takes in a Sudoku grid, a column, and a number .OUTPUTS Returns a boolean #> Function IsColumnPlacementValid { param ( [parameter(Mandatory=$true)] [System.Object]$SudokuGrid, [parameter(Mandatory=$true)] [ValidateRange(1, 9)] [int32]$Column, [parameter(Mandatory=$true)] [ValidateRange(1, 9)] [int32]$Number ) ForEach ($Row in $SudokuGrid) { if ($Row[$Column - 1] -eq $Number) { return $false } } return $true } |