Given a sorted linked list, delete all duplicates such that each element appear only once.
For example,
Given 1->1->2,
return 1->2.
Given 1->1->2->3->3,
return 1->2->3.
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/** * Definition for singly-linked list. * public class ListNode { * int val; * ListNode next; * ListNode(int x) { * val = x; * next = null; * } * } */public
class Solution { public
ListNode deleteDuplicates(ListNode head) { if(head != null){ ListNode currentFirst = head; ListNode currentNode = head.next; while(currentNode != null){ if(currentFirst.val != currentNode.val){ currentFirst.next = currentNode; currentFirst = currentFirst.next; } currentNode = currentNode.next; } if(currentFirst.next != null) currentFirst.next = null; } return
head; }} |
leetcode--Remove Duplicates from Sorted List,布布扣,bubuko.com
leetcode--Remove Duplicates from Sorted List
原文地址：http://www.cnblogs.com/averillzheng/p/3767603.html
