<table class="java">
<tr class="li1"><td class="ln"><pre class="de1">1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19 ListNode rotateRightListNode head, k head k head ListNode first head,second head len first. len first first. first. head k k len i i len k i second second. head second. second. head
