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41 lines
1.3 KiB
PowerShell
41 lines
1.3 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,$count)
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}
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}
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}
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function get-innerbags(){
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param(
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$BagColor
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)
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if($bagcolor -eq "other"){return 1} else {
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$directbags = $colorrules.$BagColor.values |?{$_ -ne "no"}|measure-object -sum|select-object -ExpandProperty Sum
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foreach($bag in $colorrules.$BagColor.keys){
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$numofbag = $colorrules.$BagColor.$bag
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if($numofbag -eq "no"){
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} else {
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for($i=0; $i -lt $numofbag;$i++){
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get-innerbags -BagColor $bag
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}
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$numofbag
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}
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}
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}
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}
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get-innerbags -BagColor "shinygold" | measure-object -Sum
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