Advent_of_code_2017_Day2.ps1

$in = Get-Content C:\temp\day2.txt
#Day 2-1
$checksum = 0
foreach ($row in $in){
    $row = $row -split "`t" | ForEach-Object {[int]$PSItem}  | Sort-Object
    $checksum += $row[-1] - $row[0]
}
$checksum
#Day 2-2
$checksum = 0
foreach ($row in $in){
    $row = $row -split "`t"
    foreach ($element in $row){
        $e2 = $row | Where-Object {$_ -ne $element} | Where-Object {$PSItem % $element -eq 0}
        if ($e2){
            $checksum += $e2 / $element
            break
        }
    }
}
$checksum