How do you call the sort function that is in the C$++$ library to sort the array defined below?

int array$[]=\{-21,0,1,8,10,19,30,43,50\}$;

Question $11$ options:

sort$($array$,9)$

sort$($array$,$ array $+9)$

sort$($array$)$

sort$($array$[9],10)$