Solution To Reddit Daily Programmer 199 - Bank Number Banners Part 2

deparse-numbers.ps1

<#
 #  Reddit Daily Programmer 199 Part 2
 #  http://www.reddit.com/r/dailyprogrammer/comments/2u0fyx/2015126_challenge_199_bank_number_banners_pt_2/
 #>
 
#Create the strings for the inputs.
$inputTop = "     _   _   _   _   _   _       _ "
$inputMid = "|_| |_| | | |_| |_    |   |   | |_ "
$inputBot = "  |  _| |_| |_| |_|   |   |   |  _|"

#Hash table of possible solutions.
$solutionHash = @{0=" _ ","| |","|_|";1="   ","  |","  |";2=" _ "," _|","|_ ";3=" _ "," _|"," _|";4="   ","|_|","  |";5=" _ ","|_ "," _|";6=" _ ","|_ ","|_|";7=" _ ","  |","  |";8=" _ ","|_|","|_|";9=" _ ","|_|"," _|"}

#We know there are always 9 numbers. Start to parse them.
for($i = 0; $i -lt 9; $i++)
{
	#Make an empty array and string to temporarily store parsed values.
	$tempArray = @()
	$currentLine = ""
	
	#Added logic since the start-end index will be different after the first number due to spaces between them.
	if($i -gt 0)
	{
		#Start at a different location!
		$index = ($i*3)+$i
	}
	else
	{
		#Start at the beginning.
		$index = $i
	}
	
	#Parse the first line and write it to the array.
	$currentLine = $inputTop[$index]
	$currentLine += $inputTop[$index+1]
	$currentLine += $inputTop[$index+2]
	$tempArray += $currentLine
	
	#Parse the second line and add it to the array.
	$currentLine = $inputMid[$index]
	$currentLine += $inputMid[$index+1]
	$currentLine += $inputMid[$index+2]
	$tempArray += $currentLine
	
	#Parse the third line and add it to the array.
	$currentLine = $inputBot[$index]
	$currentLine += $inputBot[$index+1]
	$currentLine += $inputBot[$index+2]
	$tempArray += $currentLine
	
	#Compare the current array to the hash table.
	foreach($solution in $solutionHash.GetEnumerator())
	{		
		#Since the value and the tempArray are different types, compare their indexes! Each will be 3 in length.
		if($solution.Value[0] -eq $tempArray[0] -and $solution.Value[1] -eq $tempArray[1] -and $solution.Value[2] -eq $tempArray[2])
		{
			Write-Host $solution.Key -NoNewLine
		}
	}
}

#Final newline.
Write-Host ""