Data commit

Task/Sorting-algorithms-Permutation-sort/PowerShell/sorting-algorithms-permutation-sort.psh

@@ -0,0 +1,40 @@
+Function PermutationSort( [Object[]] $indata, $index = 0, $k = 0 )
+{
+	$data = $indata.Clone()
+	$datal = $data.length - 1
+	if( $datal -gt 0 ) {
+		for( $j = $index; $j -lt $datal; $j++ )
+		{
+			$sorted = ( PermutationSort $data ( $index + 1 ) $j )[0]
+			if( -not $sorted )
+			{
+				$temp = $data[ $index ]
+				$data[ $index ] = $data[ $j + 1 ]
+				$data[ $j + 1 ] = $temp
+			}
+		}
+		if( $index -lt ( $datal - 1 ) )
+		{
+			PermutationSort $data ( $index + 1 ) $j
+		} else {
+			$sorted = $true
+			for( $i = 0; ( $i -lt $datal ) -and $sorted; $i++ )
+			{
+				$sorted = ( $data[ $i ] -le $data[ $i + 1 ] )
+			}
+			$sorted
+			$data
+		}
+	}
+}
+
+0..4 | ForEach-Object { $a = $_; 0..4 | Where-Object { -not ( $_ -match "$a" ) } |
+	ForEach-Object { $b = $_; 0..4 | Where-Object { -not ( $_ -match "$a|$b" ) } |
+		ForEach-Object { $c = $_; 0..4 | Where-Object { -not ( $_ -match "$a|$b|$c" ) } |
+			ForEach-Object { $d = $_; 0..4 | Where-Object { -not ( $_ -match "$a|$b|$c|$d" ) } |
+				ForEach-Object { $e=$_; "$( PermutationSort ( $a, $b, $c, $d, $e ) )" }
+			}
+		}
+	}
+}
+$l = 8; PermutationSort ( 1..$l | ForEach-Object { $Rand = New-Object Random }{ $Rand.Next( 0, $l - 1 ) } )