Select the O$-$notation for the pop$()$ method for the Ordered Linked List $($where n is the size of the Linked List$).$

Choice $1$ of $6$:O$(1)$

Choice $2$ of $6$:O$($log n$)$

Choice $3$ of $6$:O$($n$)$

Choice $4$ of $6$:O$($n log n$)$

Choice $5$ of $6$:O$($n$^2)$

Choice $6$ of $6$:O$($n$!)$

Select the O$-$notation for the pop$(0)$ method for the Ordered Linked List $($where n is the size of the Linked List and the Ordered Linked List is not empty$).$

Choice $1$ of $6$:O$(1)$

Choice $2$ of $6$:O$($log n$)$

Choice $3$ of $6$:O$($n$)$

Choice $4$ of $6$:O$($n log n$)$

Choice $5$ of $6$:O$($n$^2)$

Choice $6$ of $6$:O$($n$!)$