problem:
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 spa...
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其他好文 时间:
2015-03-20 18:37:47
阅读次数:
123
题目:swap nodes in pairs
/**
* LeetCode Swap Nodes in Pairs
* 题目:输入一个链表,要求将链表每相邻的两个节点交换位置后输出
* 思路:遍历一遍即可,时间复杂度O(n)
* Definition for singly-linked list.
* public class ListNode {
* int val;
...
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其他好文 时间:
2015-03-20 14:29:30
阅读次数:
113
"How many inverted pairs" - that usually ends up with MergeSort solution (of course there are other solutions out there)def mergeSort(arr): if len(...
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其他好文 时间:
2015-03-18 06:27:46
阅读次数:
94
标题:Swap Nodes in Pairs通过率:32.5难度:中等Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should retu...
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其他好文 时间:
2015-03-12 23:58:02
阅读次数:
255
DescriptionThe inversion number of a given number sequence a1, a2, ..., an is the number of pairs (ai, aj) that satisfy i aj.For a given sequence of ....
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其他好文 时间:
2015-03-11 16:58:40
阅读次数:
143
There areNintegers in an arrayA. All but one integer occur in pairs. Your task is to find the number that occurs only once.Sample Input:231 1 2Sample ...
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其他好文 时间:
2015-03-10 19:14:54
阅读次数:
152
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 constant...
分类:
其他好文 时间:
2015-03-09 20:58:23
阅读次数:
129
??
作为Lua中实现各类数据结构的基石,表的使用想必是贯穿于整个项目的开发过程之中,其中对表内容的排序想必亦是常见的需求之一,Lua内置的Table函数库便提供了sort函数来实现这项功能,但是仅能支持表中数组部分内容的排序,而想要排序表中哈希部分的内容,简单的一个方法就是另写一个迭代器来支持:
function order_pairs(tbl)
local name...
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编程语言 时间:
2015-03-08 21:37:49
阅读次数:
212
Swap Nodes in Pairs问题:Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list a...
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其他好文 时间:
2015-03-07 11:30:58
阅读次数:
119
[LeetCode] 024. Swap Nodes in Pairs (Medium) (C++/Python)...
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编程语言 时间:
2015-03-05 14:45:05
阅读次数:
152