题目链接 Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. If the number of nodes is not a multiple of k t...
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其他好文 时间:
2014-06-28 21:12:46
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211
Reorder ListGiven a singly linked listL:L0→L1→…→Ln-1→Ln,reorder it to:L0→Ln→L1→Ln-1→L2→Ln-2→…You must do this in-place without altering the nodes' val...
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其他好文 时间:
2014-06-28 20:42:16
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265
Sort a linked list using insertion sort.单链表的插入排序, 考查的时单链表指针的断开和插入操作#include #include #include using namespace std;struct ListNode{ int val; List...
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其他好文 时间:
2014-06-21 12:26:49
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206
Sort a linked list inO(nlogn) time using constant space complexity.本题利用归并排序即可归并排序的核心是将两部分合成一部分,故开始要将链表分成两部分,利用快慢两个指针,当快指针跑到链表尾部时,慢指针恰好在中间,故可以将链表分成两部分然...
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其他好文 时间:
2014-06-21 12:20:11
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188
Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists./** * Def...
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其他好文 时间:
2014-06-21 07:55:42
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197
Given a sorted linked list, delete all duplicates such that each element appear only once.For example, Given 1->1->2, return 1->2. Given 1->1->2->3->3...
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其他好文 时间:
2014-06-21 07:30:11
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157
题目
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 const...
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其他好文 时间:
2014-06-18 11:53:39
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138
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
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其他好文 时间:
2014-06-17 23:38:04
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341
题目
Given a linked list, reverse the nodes of a linked list k at a time and return its modified list.
If the number of nodes is not a multiple of k then left-out nodes in the end should rem...
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其他好文 时间:
2014-06-17 22:15:52
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299
题目
Merge k sorted
linked lists and return it as one sorted list. Analyze and describe its complexity.
方法
使用归并排序的思想,两两合并,直到最终变成一个。
public ListNode mergeKLists(ArrayList lists) {...
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其他好文 时间:
2014-06-17 21:34:41
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183