Find errors:

a$)$ Assume:

char str$[5]$;

scanf$("\%$s$",$ str $)$; $//$ User types hello

b$)$ Assume:

int a$[3]$;

printf$("$$d $\%$d $\%$d

$",$ a$[1],$ a$[2],$ a$[3])$;

c$)$ double f$[3]=\{1\mathrm{.}1,10\mathrm{.}01,100\mathrm{.}001,1000\mathrm{.}0001\}$;

d$)$

void cube$($ float number $)//$ function definition

$\{$

return number $*$ number $*$ number;

$\}$

e$)$

double square$($ double number $)$

$\{$

double number;

return number $*$ number;

$\}$