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solution.java
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/**
* Definition for singly-linked list.
* public class ListNode {
* int val;
* ListNode next;
* ListNode() {}
* ListNode(int val) { this.val = val; }
* ListNode(int val, ListNode next) { this.val = val; this.next = next; }
* }
*/
class Solution {
public ListNode rotateRight(ListNode head, int k) {
//If 0 or 1 node there
if(head == null || head.next == null || k == 0)
return head;
ListNode currNode = head;
//Find length of LinkedList
int len = 1;
for(;currNode.next != null; len++)
currNode = currNode.next;
//Get k into range
k %= len;
//Join last node with head
currNode.next = head;
//Go till our split point
for (len -= k; len > 1; len--)
head = head.next;
//Set split point node our new head
currNode = head.next;
//Remove connection with previous node
head.next = null;
return currNode;
}
}