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struct Node $\{$

$2$ int data;

struct node$*$ left;

struct node$*$ right;

$\}$;

int operator$1($Node$*$ root$)$

$8$

$9$ Node$*$ current $=$ root;

$10$ while $($current$->$right I$=$ NULL$)$

current $=$ current $$ right;

return $($current$->$data$)$;

$\}$

int operator$2($Node$*$ root$)$

$\{\frac{\frac{?}{?}}{d}$otsdots$\}$

void operator$3($Node$*$ root$)$

if $($root$->$left $=$ NULL & root$->$right $=$ NULL