[LeetCode]83 Remove Duplicates from Sorted List

标签：leetcode   np   

https://oj.leetcode.com/problems/remove-duplicates-from-sorted-list/

http://blog.csdn.net/linhuanmars/article/details/24354291

/**
 * 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) {
        ListNode pre = null;
        ListNode node = head;
        while (node != null)
        {
            if (pre == null)
            {
                pre = node;
                node = node.next;
            }
            else if (pre.val == node.val)
            {
                // Delete node
                pre.next = node.next;
                node.next = null;
                node = pre.next;
            }
            else
            {
                pre = node;
                node = node.next;
            }
        }
        return head;
    }
}

[LeetCode]83 Remove Duplicates from Sorted List

标签：leetcode   np   

原文地址：http://7371901.blog.51cto.com/7361901/1599019