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Remove all elements from a linked list of integers that have value val.
Example
Given: 1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6, val = 6
Return: 1 --> 2 --> 3 --> 4 --> 5
这道题要注意边界，比如[1], 1. 所以这个题的loop condition最好只用当前nood。
public ListNode RemoveElements(ListNode head, int val) { if(head == null) return head; var sentinel = new ListNode(0); sentinel.next = head; var temp = sentinel; while(head != null) { if(head.val == val) temp.next = head.next; else temp = temp.next; head = head.next; } return sentinel.next; }
203. Remove Linked List Elements
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原文地址：http://www.cnblogs.com/renyualbert/p/5852611.html
