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LeetCode[Tree]: Populating Next Right Pointers in Each Node II
Follow up for problem "Populating Next Right Pointers in Each Node". What if the given tree could be any binary tree? Would your previous solution still work? Note: You may only use constant extra ...
分类:其他好文   时间:2014-12-05 22:48:46    阅读次数:139
EF7学习资料整理
EntityFramework 7 开发纪录http://www.cnblogs.com/xishuai/archive/2014/11/28/ef7-develop-note.html
分类:其他好文   时间:2014-12-05 22:39:13    阅读次数:185
3Sum
3SumGiven an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which gives the sum of zero.Note:El...
分类:其他好文   时间:2014-12-05 22:38:12    阅读次数:250
Leetcode: Pascal's Triangle II
Given an indexk, return thekthrow of the Pascal's triangle.For example, givenk= 3,Return[1,3,3,1].Note:Could you optimize your algorithm to use onlyO(...
分类:其他好文   时间:2014-12-05 19:14:53    阅读次数:131
[LeetCode]Construct Binary Tree from Inorder and Postorder Traversal
Given inorder and postorder traversal of a tree, construct the binary tree. Note: You may assume that duplicates do not exist in the tree. 基本思想和知道前序与中序的思想一样,中序的某一节点的左节点一定是该节点的左子树,而后序遍历的某一节点的左节点一定...
分类:其他好文   时间:2014-12-05 17:36:45    阅读次数:116
【LeetCode】Reverse Linked List II 解题报告
【题目】 Reverse a linked list from position m to n. Do it in-place and in one-pass. For example: Given 1->2->3->4->5->NULL, m = 2 and n = 4, return 1->4->3->2->5->NULL. Note: Given m, n s...
分类:其他好文   时间:2014-12-05 17:31:22    阅读次数:143
【LeetCode】Subsets (2 solutions)
SubsetsGiven a set of distinct integers,S, return all possible subsets.Note:Elements in a subset must be in non-descending order.The solution set must...
分类:其他好文   时间:2014-12-05 12:23:05    阅读次数:145
Leetcode: Binary Tree Inorder Traversal
Given a binary tree, return theinordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[1,3,2].Note...
分类:其他好文   时间:2014-12-04 21:25:46    阅读次数:139
1. MONGODB启动&关闭
【前记】 最近由于公司系统改造;借用内存库来达到快速响应。公司借用mongodb数据库。下面是学习整理的note 从启动&关闭开始;至于安装这个太简单了。mongodb启动 mongodb服务器启动(跟postgresql数据库启动方式有点类似):是使用mongod命令。至于启动参数;可以...
分类:数据库   时间:2014-12-04 19:41:32    阅读次数:469
【LeetCode】Subsets II
Subsets IIGiven a collection of integers that might contain duplicates,S, return all possible subsets.Note:Elements in a subset must be in non-descend...
分类:其他好文   时间:2014-12-04 19:32:41    阅读次数:163
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