原文:Leetcode: Partition List

思路: . 空间复杂度为 o n 解法. 创建两个链表, 分别记录大于 x 和小于 x 的节点, 最后合并 . o 的空间复杂度解法. 四个指针, 分别指向小于 x 部分链表的头, 尾, 指向大于 x 部分链表的头, 尾 总结: . 使用 dummyNode 减少判断 代码: class Solution public: ListNode partition ListNode head, int ...

2013-12-05 17:20 0 2432 推荐指数:

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Partition List leetcode java

题目: Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x. You should ...

Wed Jul 23 18:21:00 CST 2014 0 3863
[leetcode]Partition List @ Python

原题地址:https://oj.leetcode.com/problems/partition-list/ 题意: Given a linked list and a value x, partition it such that all nodes less than x come ...

Thu Jun 12 17:38:00 CST 2014 0 2671
[LeetCode] Partition List 划分链表

Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x. You should preserve ...

Sun Mar 08 16:37:00 CST 2015 0 11175
[LeetCode] 763. Partition Labels 分割标签

A string S of lowercase letters is given. We want to partition this string into as many parts as possible so that each letter appears in at most ...

Tue Mar 27 07:25:00 CST 2018 1 8207
LeetCode:Sort List

题目如下:(题目链接) Sort a linked list in O(n log n) time using constant space complexity. 在上一题中使用了插入排序,时间复杂度为O(n^2)。nlogn的排序有快速排序、归并排序、堆排序。双向链表用快排比较适合,堆排序 ...

Thu Nov 21 06:54:00 CST 2013 4 6001
[leetcode]Sort List @ Python

原题地址:http://oj.leetcode.com/problems/sort-list/ 题意:链表的排序。要求:时间复杂度O(nlogn),空间复杂度O(1)。 解题思路:由于题目对时间复杂度和空间复杂度要求比较高,所以查看了各种解法,最好的解法就是归并排序,由于链表在归并操作时 ...

Wed Apr 30 00:23:00 CST 2014 0 4300
Rotate List leetcode java

题目: Given a list, rotate the list to the right by k places, where k is non-negative. For example: Given 1->2->3->4->5->NULL and k ...

Thu Jul 24 08:54:00 CST 2014 0 4560
 
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