Data commit

Task/Zig-zag-matrix/PowerShell/zig-zag-matrix-1.psh

@@ -0,0 +1,39 @@
+function zigzag( [int] $n ) {
+    $zigzag=New-Object 'Object[,]' $n,$n
+    $nodd = $n -band 1
+    $nm1 = $n - 1
+    $i=0;
+    $j=0;
+    foreach( $k in 0..( $n * $n - 1 ) ) {
+        $zigzag[$i,$j] = $k
+        $iodd = $i -band 1
+        $jodd = $j -band 1
+        if( ( $j -eq $nm1 ) -and ( $iodd -ne $nodd ) ) {
+            $i++
+        } elseif( ( $i -eq $nm1 ) -and ( $jodd -eq $nodd ) ) {
+            $j++
+        } elseif( ( $i -eq 0 ) -and ( -not $jodd ) ) {
+            $j++
+        } elseif( ( $j -eq 0 ) -and $iodd ) {
+            $i++
+        } elseif( $iodd -eq $jodd ) {
+            $i--
+            $j++
+        } else {
+            $i++
+            $j--
+        }
+    }
+    ,$zigzag
+}
+
+function displayZigZag( [int] $n ) {
+    $a = zigzag $n
+    0..$n | ForEach-Object {
+        $b=$_
+        $pad=($n*$n-1).ToString().Length
+        "$(0..$n | ForEach-Object {
+            "{0,$pad}" -f $a[$b,$_]
+        } )"
+    }
+}

Task/Zig-zag-matrix/PowerShell/zig-zag-matrix-2.psh

@@ -0,0 +1 @@
+zigzag 5 | Format-Wide {"{0,2}" -f $_} -Column 5 -Force