问题描述:
A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null.
Return a deep copy of the list.
解题思路:
将1->2->3->4->NUL...
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其他好文 时间:
2014-07-30 10:07:54
阅读次数:
259
Convert Sorted List to Binary Search TreeTotal Accepted:12283Total Submissions:45910My SubmissionsGiven a singly linked list where elements are sorted...
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其他好文 时间:
2014-07-29 17:29:32
阅读次数:
216
Given a binary tree, flatten it to a linked list in-place.For example,Given 1 / \ 2 5 / \ \ 3 4 6The flattened t...
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其他好文 时间:
2014-07-29 14:07:58
阅读次数:
163
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.题意:给定一个有序的链表,将其转换成平衡二叉搜索树思路: 二分法要构建一个平衡二叉...
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其他好文 时间:
2014-07-29 13:40:48
阅读次数:
601
Given a sorted linked list, delete all duplicates such that each element appear onlyonce.For example,Given1->1->2, return1->2.Given1->1->2->3->3, retu...
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其他好文 时间:
2014-07-29 11:29:56
阅读次数:
256
Mergeksorted linked lists and return it as one sorted list. Analyze and describe its complexity.题意:对k个有序的链表进行归并排序。并分析其复杂度。/** * Definition for singly-...
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其他好文 时间:
2014-07-29 11:02:16
阅读次数:
205
Sort a linked list using insertion sort.题目要求:链表的插入排序,由于没有时间复杂度的要求,可以直接循环操作。/** * Definition for singly-linked list. * struct ListNode { * int val;...
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其他好文 时间:
2014-07-29 10:54:26
阅读次数:
190
解法:比较简单,用plus表示进位 1 /** 2 * Definition for singly-linked list. 3 * struct ListNode { 4 * int val; 5 * ListNode *next; 6 * ListNode(in...
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其他好文 时间:
2014-07-29 10:53:06
阅读次数:
273
Given a linked list, swap every two adjacent nodes and return its head.
For example,
Given 1->2->3->4, you should return the list as 2->1->4->3.
Your algorithm should use only constant space. Y...
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其他好文 时间:
2014-07-28 00:28:19
阅读次数:
273
题目:Sort a linked list in O(n log n) time using constant space complexity.题解:考虑到要求用O(nlogn)的时间复杂度和constant space complexity来sort list,自然而然想到了merge sor....
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编程语言 时间:
2014-07-26 09:51:57
阅读次数:
307