I need this pseudocode coded into C$++$ I keep coming up with errors

Pseudocode PLD Chapter $6$ #$2$a & $2$b$,$ pg$.267$

$//$ Start

$//$ Declarations

$//$ num SIZE $=12//$ Preudocode PLD Chapter $642$a b $2$b$,$ Pg$,267$

f$/$ Start

f$/)$ Deelarke$5$ons

f$/$ blum SIZE $=12$

f$/$ num numbers $[$SIZE$)$

$//$f ulum value $=0$

f$/$f num couatex $=$ D

$/$f$\}\backslash$mathrm$\{$ num total $=0$

$/$t ulum average $=0$

f$/$f num d$\backslash$EFzondvg $=0$

f$/$f nuM SENTINEL $=-1$

lf

$/$f outpus "Plsase anter a positive numbers $"$

f$/$ input value

$/$f whlle $(($counzer $<mtext></mtext><mn>9</mn><mn>1</mn><mn>2</mn>$E$)$ AND $($value SENTINEL$)\backslash$

ff total $=$ total $+$ value

$//$ nunibers $[$counter$]=$ value

$//$ countex $=$ counter $+1$

f$/\backslash$I $($counter IQE$)$

$//$f atappet $*$leasee enter a pesieive numier: n

it Inpat value

$//$ endit

$//$ endwla$114$

fl

I$/$ if $($counter $>0)$ then

f$/$ average $=$ totslfoounter

f$/$ Eor L $=0$ to counter $-1$

l$/$ difefromsvg $=$ numberb$[$i$]-$ average

f$/$ butpue $]$; $*,$ numbers$[5$l$,"$ifference fran Average is

diffEromilvg

i$/)$ entifor

f$/$ alae

f$/$ output "procesaing incomplete. No valuea in the array."

$/$l$)$ enisit

$/$f $3$tOp

$//$ num numbers$[$SIZE$]$

$//$ num value $=0$

$//$ num counter $=0$

$//$ num total $=0$

$//$ num average $=0$

$//$ num diffFromAvg $=0$

$//$ num SENTINEL $=-1$

$//$

$//$ output "Please enter a positive number: $"$

$//$ input value

$//$ while $(($counter $$ SIZE$)$ AND $($value SENTINEL$))$

$//$ total $=$ total $+$ value

$//$ numbers$[$counter$]=$ value

$//$ counter $=$ counter $+1$

$//$ if $($counter SIZE$)$

$//$ output "Please enter a positive number: $"$

$//$ input value

$//$ endif

$//$ endwhile

$//$

$//$ if $($counter $>0)$ then

$//$ average $=$ total$/$counter

$//$ for i $=0$ to counter $-1$

$//$ diffFromAvg $=$ numbers$[$i$]-$ average

$//$ output "Number$[",$i$,"]$: $",$numbers$[$i$],"$ Difference from Average is

$",$diffFromAvg

$//$ endfor

$//$ else

$//$ output "Processing incomplete. No values in the array."

$//$ endif

$//$ Stop