Created
December 4, 2023 09:45
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A note quite working Day 4 part 1 for 2023 advent of code in Powershell. Passes the sample data, but not the real input - comes out too high.
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param( | |
[Parameter(Mandatory=$false)] | |
[bool]$sample = $false | |
) | |
Import-Module $PSScriptRoot/../_lib/aoc.psm1 | |
$input_file = @( | |
"Card 1: 41 48 83 86 17 | 83 86 6 31 17 9 48 53", | |
"Card 2: 13 32 20 16 61 | 61 30 68 82 17 32 24 19", | |
"Card 3: 1 21 53 59 44 | 69 82 63 72 16 21 14 1", | |
"Card 4: 41 92 73 84 69 | 59 84 76 51 58 5 54 83", | |
"Card 5: 87 83 26 28 32 | 88 30 70 12 93 22 82 36", | |
"Card 6: 31 18 13 56 72 | 74 77 10 23 35 67 36 11" | |
) | |
Function Solve { | |
param( | |
[string[]]$input_file | |
) | |
$count = 0 | |
[int[]]$score = New-Object int[] 199 | |
$input_file | ForEach-Object { | |
$line = $_ | |
$winners = 0 | |
$line -match "^Card\W+(?<card>\d+): (?<win>[\d ]+) \| (?<nums>[\d ]+)$" | Out-Null | |
[int[]]$number_winners = $Matches['win'] -split '\s+' | ForEach-Object { [int]$_ } | Sort-Object | |
[int[]]$numbers = $Matches['nums'] -split '\s+' | ForEach-Object { [int]$_ } | Sort-Object | |
$numset=[Collections.Generic.HashSet[int]]::new($numbers) | |
$winners = $($number_winners.Where({$numset.Contains($_)})).Count | |
$count++ | |
if($winners -gt 0){ | |
$line_score = [Math]::Pow(2, $winners - 1) | |
$score[$count] = $line_score | |
} | |
} | |
$sum = $($score | Measure-Object -Sum).Sum | |
Write-Host "Score : $sum" | |
} | |
Function Main { | |
param( | |
[bool]$sample | |
) | |
#$puzzle_input = $input_file #Get-AoCInput -Sample $sample -input_path $PSScriptRoot | |
$puzzle_input = Get-AoCInput -Sample $sample -input_path $PSScriptRoot | |
Solve -input_file $puzzle_input | |
} | |
Main -sample:$sample |
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