$(1009)$ Write the best tle lines for the func ons $($func on signatures$)$ that are called by the following main program. Do

not supply the blocks for the func ons.

int main$()\{$

int num$[3]=\{0,1,2\}$;

double rl$[3]=\{1\mathrm{.}9,2\mathrm{.}3,3\mathrm{.}0\}$;

char ch $=\text{'}$b$\text{'}$;

ch $=$ a$($ch$,$ ch$)$; $//($a$)$

rl$[0]=$ b$($num$[0],$ ch$)$; $//($b$)$

num$[2]=$ c$($a$($ch$,$ch$))$; $//($c$)$

d$($d$($ch$,$ num$[1]),5)$; $//($d$)$

a$($e$($num$[0]+$ rl$[1],$ rl$),$ ch$)$; $//($e$)$

$\}$