big theta notation void f

$1$

$($

int n

$)$

$\{$

$$ int i

$=$

$2$

;

$$ while

$($

i

$<$

$$n

$)$

$\{$

$$

$/$

$*$

$$do something that takes O

$($

$1$

$)$

$$time

$*$

$/$

$$ i

$=$

$$i

$*$

i;

$$

$\}$

$\}$