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Remove Nth Node From End of List
Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked list: 1->2->3->4->5, and n = 2. After removing the second node from the end, the...
分类:其他好文   时间:2014-11-26 11:26:18    阅读次数:252
Copy List with Random Pointer
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 ...
分类:其他好文   时间:2014-11-26 10:45:07    阅读次数:205
【LeetCode】Linked List Cycle
题意: Given a linked list, determine if it has a cycle in it. Follow up: Can you solve it without using extra space?...
分类:其他好文   时间:2014-11-26 01:31:06    阅读次数:160
Leetcode: Convert Sorted List to Binary Search Tree
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.分析:我们比较熟悉由一个sorted array生成一个BST,不同的是这里的数据...
分类:其他好文   时间:2014-11-25 23:01:58    阅读次数:213
Leetcode: Copy List with Random Pointer
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 ...
分类:其他好文   时间:2014-11-25 22:44:23    阅读次数:179
Leetcode: Insertion Sort List
Sort a linked list using insertion sort.分析:insertion sort是将当前元素插入到已经排好序的元素的适当位置,时间复杂度为O(n^2)。class Solution {public: ListNode *insertionSortList(Li...
分类:其他好文   时间:2014-11-25 20:23:53    阅读次数:142
Leetcode: Linked List Cycle II
Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without using extra space?分析:...
分类:其他好文   时间:2014-11-25 16:24:51    阅读次数:177
Leetcode: Linked List Cycle
Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?分析:如果一个linked list中有环,那么在用一个快指针和一个慢指针遍历该li...
分类:其他好文   时间:2014-11-25 16:09:31    阅读次数:194
LeetCode:Flatten Binary Tree to Linked List
题目描述: Given a binary tree, flatten it to a linked list in-place. For example, Given 1 / 2 5 / \ 3 4 6 The flattened tree should look like...
分类:其他好文   时间:2014-11-25 12:49:09    阅读次数:188
Insertion Sort List
Insertion Sort ListSort a linked list using insertion sort.这道题用两个链表做的,这样方便一点。还有新链表头结点我没有存放内容,这样也比较方便,后面返回head1.next就好了 1 /** 2 * Definition for singl....
分类:其他好文   时间:2014-11-25 00:09:04    阅读次数:265
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