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#22 Generate Parentheses
题目链接:https://leetcode.com/problems/generate-parentheses/ Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, given n = 3, a...
分类:其他好文   时间:2015-07-14 18:01:42    阅读次数:106
[LeetCode] Max Points on a Line
This problem has a naive idea, which is to traverse all possible pairs of two points and see how many other points fall in the line determined by them...
分类:其他好文   时间:2015-07-11 22:44:06    阅读次数:133
Project Euler :Problem 54 Poker hands
In the card game poker, a hand consists of five cards and are ranked, from lowest to highest, in the following way: High Card: Highest value card.One Pair: Two cards of the same value.Two Pairs: Tw...
分类:其他好文   时间:2015-07-07 17:09:16    阅读次数:131
leetCode 24. Swap Nodes in Pairs (双数交换节点) 解题思路和方法
Swap Nodes in Pairs  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 us...
分类:其他好文   时间:2015-07-07 14:48:58    阅读次数:105
LeetCode22:Generate Parentheses
Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, given n = 3, a solution set is: “((()))”, “(()())”, “(())()”, “()(())”, “(...
分类:其他好文   时间:2015-07-07 13:00:44    阅读次数:105
leetCode 22.Generate Parentheses (生成括号) 解题思路和方法
Generate Parentheses  Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, given n = 3, a solution set is: "((()))", "(()())"...
分类:其他好文   时间:2015-07-07 09:30:46    阅读次数:106
Generate Parentheses
Generate Parentheses: Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, given n = 3, a solution set is: "((()))", "(()())"...
分类:其他好文   时间:2015-07-03 09:22:17    阅读次数:142
JSON 之JAVA 解析
一、   JSON (JavaScript Object Notation)一种简单的数据格式,比xml更轻巧。  Json建构于两种结构:      1、“名称/值”对的集合(A collection of name/value pairs)。不同的语言中,它被理解为对象(object),纪录(record),结构(struct),字典(dictionary),哈希表(hash ta...
分类:编程语言   时间:2015-07-02 10:22:43    阅读次数:186
Swap Nodes in Pairs
https://leetcode.com/problems/swap-nodes-in-pairs/Swap Nodes in PairsGiven a linked list, swap every two adjacent nodes and return its head.For exampl...
分类:其他好文   时间:2015-07-01 09:51:57    阅读次数:99
Aamazon Web Service EC2 新建用户并且用ssh连接host
本文参照 http://docs.aws.amazon.com/zh_cn/AWSEC2/latest/UserGuide/managing-users.html http://docs.aws.amazon.com/zh_cn/AWSEC2/latest/UserGuide/ec2-key-pairs.html#retrieving-the-public-key 1.通过密钥对(keypair...
分类:Web程序   时间:2015-06-27 18:21:38    阅读次数:183
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