RosettaCodeData/Task/Look-and-say-sequence/PowerShell/look-and-say-sequence.psh
2023-07-01 13:44:08 -04:00

21 lines
413 B
Text

function Get-LookAndSay ($n = 1) {
$re = [regex] '(.)\1*'
$ret = ""
foreach ($m in $re.Matches($n)) {
$ret += [string] $m.Length + $m.Value[0]
}
return $ret
}
function Get-MultipleLookAndSay ($n) {
if ($n -eq 0) {
return @()
} else {
$a = 1
$a
for ($i = 1; $i -lt $n; $i++) {
$a = Get-LookAndSay $a
$a
}
}
}