2016 Update

Task/Equilibrium-index/PowerShell/equilibrium-index-1.psh

@@ -0,0 +1,22 @@
+function Get-EquilibriumIndex ( $Sequence )
+    {
+    $Indexes = 0..($Sequence.Count - 1)
+    $EqulibriumIndex = @()
+
+    ForEach ( $TestIndex in $Indexes )
+        {
+        $Left = 0
+        $Right = 0
+        ForEach ( $Index in $Indexes )
+            {
+            If     ( $Index -lt $TestIndex ) { $Left  += $Sequence[$Index] }
+            ElseIf ( $Index -gt $TestIndex ) { $Right += $Sequence[$Index] }
+            }
+
+        If ( $Left -eq $Right )
+            {
+            $EqulibriumIndex += $TestIndex
+            }
+        }
+    return $EqulibriumIndex
+    }

Task/Equilibrium-index/PowerShell/equilibrium-index-2.psh

@@ -0,0 +1 @@
+Get-EquilibriumIndex -7, 1, 5, 2, -4, 3, 0

Task/Equilibrium-index/PowerShell/equilibrium-index.psh

@@ -1,15 +0,0 @@
-function equil($arr){
-	$res=@()
-	for($i=0;$i -lt $arr.length;$i++){
-		$left=0;$right=0
-
-		for($j=0;$j -lt $arr.length;$j++){
-			if ($j -lt $i){$left+=$arr[$j]}
-			if ($j -gt $i){$right+=$arr[$j]}
-		}
-		if($left -eq $right){$res+=$i}
-	}
-	[String]$res
-}
-
-equil -7,1,5,2,-4,3,0