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Problem Definition:
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
Solution: 构造一个头节点
def removeElements(self, head, val): fake=ListNode(0) fake.next=head pb=fake p=head while p!=None: if p.val==val: pb.next=p.next #delete else: pb=p #skip p=p.next return fake.next
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原文地址：http://www.cnblogs.com/acetseng/p/4654550.html
