Given a list, rotate the list to the right by k places, where k is non-negative.
For example:
Given <code>1->2->3->4->5->NULL</code> and k = <code>2</code>,
return <code>4->5->1->2->3->NULL</code>.
Given a list, rotate the list to the right by k places, where k is non-negative.
For example:
Given <code>1->2->3->4->5->NULL</code> and k = <code>2</code>,
return <code>4->5->1->2->3->NULL</code>.
![HDU 6232 Confliction[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)