code:

---

KiXtart Golf Score
Tournament          = KiXtart Golf: MOAN - Mother Of All Networks
Processing Start    = 2003/06/01 10:08:43.400
Processing End      = 2003/06/01 10:08:43.500
Duration            = 0000/00/00 00:00:00.099
# Loops             = 1
KiXGolf Result      = passed (10 out of 10 correct)
KiXGolf Score       = 715  

---

code:

---

; begin MOAN
;
;!
Function moan($a,$b,$c)
    Dim $,$d,$e,$f,$g,$h,$m[3]
    $d="."

    ;Build Subnet Mask
    $f=0,128,192,224,240,248,252,254
    for $e=8 to 31
        $=$e
        $h=1
        for $g=0 to 3
            $m[$g]=iif($/8,255,$f[$ mod 8])
            $=iif($>8,$-8,0)
            if $a & $b
                $h=$h & 0+split($b,$d)[$g]=(0+split($a,$d)[$g] & $m[$g])
            else
                $h=0
            endif
        next
        if $h
            $c=$c+" /"+$e
        endif
        if $e=$c
           $c=join($m,$d)
        endif
    next
    ;End build mask array
    if instr($c,$d)
        ;build array of input values by splitting a string. Then convert to integers
        ; Mask = $[0..3]   NetID = $[4..7]   IPaddr = $[8..11]
        $="..."
        $=split($c+$d+IIF($b,$b,$)+$d+IIF($a,$a,$),$d)
        if 0=$a
            ;Output: Network ID or empty string if no match
            ;Output: Array of all potential IP addresses or empty string if no match
            for $b=0+$[4] to 255 + $[4]  - $[0]
                for $c=0+$[5] to 255 + $[5] - $[1]
                    for $e=0+$[6] to 255 + $[6] - $[2]
                        for $f=1+$[7] to 254 + $[7]  - $[3]
                            $a = $a+" "+$b+$d+$c+$d+$e+$d+$f
                        next
                    next
                next
            next
            $c=$a
        else
            ;Calculate NetworkID using $ array
            $c=""
            for $e=0 to 3
                $c=$c+$d+(0+$[$e] & 0+$[$e+8])
            next
            if $d+join(split($a),"")=$c
                $c=""
            endif

            ;Output: 1 if the IP is a member of a nework defined by network ID and subnet mask, otherwise 0
            ;Input NetworkID = Calculated NetworkID
            if $b
                $c=IIF($d+join(split($b),"")=$c,1,0)
            endif
        endif
    endif
    $moan=iif(len($c)>1,split(substr($c,2)),$c)
EndFunction
;!
;!
; end MOAN
  

---