标签:des style class blog code java
原题地址:https://oj.leetcode.com/problems/remove-duplicates-from-sorted-list-ii/
题意:
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list.
For
example,
Given 1->2->3->3->4->4->5
,
return 1->2->5
.
Given 1->1->1->2->3
,
return 2->3
.
解题思路:链表的基本操作。
代码:
# Definition for singly-linked list. # class ListNode: # def __init__(self, x): # self.val = x # self.next = None class Solution: # @param head, a ListNode # @return a ListNode def deleteDuplicates(self, head): if head == None or head.next == None: return head dummy = ListNode(0); dummy.next = head p = dummy tmp = dummy.next while p.next: while tmp.next and tmp.next.val == p.next.val: tmp = tmp.next if tmp == p.next: p = p.next tmp = p.next else: p.next = tmp.next return dummy.next
[leetcode]Remove Duplicates from Sorted List II @ Python,布布扣,bubuko.com
[leetcode]Remove Duplicates from Sorted List II @ Python
标签:des style class blog code java
原文地址:http://www.cnblogs.com/zuoyuan/p/3783570.html