Data update

Task/Modular-inverse/PowerShell/modular-inverse.psh

@@ -1,23 +0,0 @@
-function invmod($a,$n){
-        if ([int]$n -lt 0) {$n = -$n}
-        if ([int]$a -lt 0) {$a = $n - ((-$a) % $n)}
-
-	$t = 0
-	$nt = 1
-	$r = $n
-	$nr = $a % $n
-	while ($nr -ne 0) {
-		$q = [Math]::truncate($r/$nr)
-		$tmp = $nt
-		$nt = $t - $q*$nt
-		$t = $tmp
-		$tmp = $nr
-		$nr = $r - $q*$nr
-		$r = $tmp
-	}
-	if ($r -gt 1) {return -1}
-	if ($t -lt 0) {$t += $n}
-	return $t
-}
-
-invmod 42 2017