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34 lines
1.0 KiB
PowerShell
34 lines
1.0 KiB
PowerShell
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$inputdata = (get-content -Raw .\aocd7input.txt) -split "`n"
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$colorrules=@{}
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foreach($rule in $inputdata){
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if($rule -eq ""){
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continue
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} else {
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$rule = $rule -replace "bags", ""
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$rule = $rule -replace "bag", ""
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$outerbag, $innerbags = $rule -split " contain ", 2
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$innerbagsrule= $innerbags-split ","
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$outerbag=$outerbag.trim() -replace '[^a-zA-Z]',""
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$colorrules[$outerbag]=@{}
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foreach($myrule in $innerbagsrule){
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$count, $color = $myrule.trim() -split " ",2
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$color = $color.trim() -replace '[^a-zA-Z]',""
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#write-host "Color:$color-Count:$count"
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$colorrules[$outerbag].add($color,$count)
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}
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}
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}
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$options =0
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function get-outerbagoptions(){
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param (
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$BagColor
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)
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foreach($myrule in $colorrules.keys){
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if($colorrules[$myrule]."$bagcolor"){
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get-outerbagoptions -BagColor $myrule
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$myrule
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}
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}
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}
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get-outerbagoptions -bagcolor "shinygold"|select-object -Unique|Measure-Object
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