Which of the following is not a valid way to initialize an array?

int $n[5]=\{0,5,8,3,7\}$;

int $n[5]=\{-1,3\}$;

int $n[5]=\{4,-19,23,5,32,55,98,100\}$;

int $n[]=\{1,4,7,3,8,4,6,4,3\}$;