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原创 Leetcode 252 meeting rooms
Given an array of meeting time intervals consisting of start and end times [[s1,e1],[s2,e2],...] (si < ei), determine if a person could attend all meetings.For example,Given [[0, 30],[5, 10],[15
2016-06-21 11:51:47 331
原创 Maximum Subarray III
Given an array of integers and a number k, find k non-overlapping subarrays which have the largest sum.The number in each subarray should be contiguous.ExampleGiven [-1,4,-2,3,-2,3], k
2015-11-11 14:47:00 468
原创 Maximum Subarray Difference Solution
这道题感觉非常有意思,值得记录一下。思路来源:https://codesolutiony.wordpress.com/2015/05/28/lintcode-maximum-subarray-difference/public class Solution { /** * @param nums: A list of integers * @return:
2015-10-22 17:39:35 339
转载 如何插入公式
http://www.codecogs.com/latex/eqneditor.php搞定后copy + paste参考:http://blog.csdn.net/sangyongjia/article/details/34913467
2015-07-10 22:22:59 348
原创 20150708 MyEclipse Hibernate Many To Many Mapping
Many-To-Many 例子:创建三张表: Person: uiduname1JasonProject:pidpro_name1 javaPro_per: 关联person 和 project,表示参与了项目的人。uid 和 pid 为联合主键
2015-07-09 22:29:23 339
原创 20150708 MyEclipse Hibernate Setup
记录一下 MyEclipse 上hibernate 的设置过程。 最简单的例子:我自己的有一个mysql database 叫做bookstore,里面其中一张表叫做book,通过hibernate 逆向生成类,DAO代码。1. 开 database explore, 创建好mysql driver, 名字随便起,我要用到一个bookstore的database,所以这里叫mySQ
2015-07-09 00:20:43 383
原创 20150708 lintcode 总结 Binary Tree Maximum Path Sum Show result *****
Medium Binary Tree Maximum Path SumShow result 23%AcceptedGiven a binary tree, find the maximum path sum. The path may start and end at any node in the tree.Example: Given th
2015-07-08 16:23:48 420
原创 20150708 lintcode 总结 Minimum Path Sum
Easy Minimum Path SumShow result 34%AcceptedGiven a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numb
2015-07-08 15:09:06 383
原创 20150708 lintcode 总结 Binary Search Tree Iterator
Binary Search Tree IteratorDesign an iterator over a binary search tree with the following rules:Elements are visited in ascending order (i.e. an in-order traversal)next() and hasNext(
2015-07-08 11:09:18 623
原创 20150707 lintcode 总结 Search Range in Binary Search Tree
Given two values k1 and k2 (where k1 ExampleIf k1 = 10 and k2 = 22, then your function should return [12, 20, 22]. 20 / \ 8 22 / \4 12/** * Definition of TreeNo
2015-07-07 12:02:42 497
原创 20150624 lintcode 总结 binary-tree-level-order-traversal **
Binary Tree Level Order Traversalhttp://www.lintcode.com/problem/binary-tree-level-order-traversalGiven a binary tree, return the level order traversal of its nodes' values. (ie, from
2015-06-24 23:59:50 345
原创 20150624 lintcode 总结 Lowest Common Ancestor
Lowest Common Ancestorhttp://www.lintcode.com/problem/lowest-common-ancestorGiven the root and two nodes in a Binary Tree. Find the lowest common ancestor(LCA) of the two nodes.T
2015-06-24 23:00:22 412
原创 20150624 lintcode 总结 Balanced Binary Tree
判断是否为balanced binary tree:http://www.lintcode.com/en/problem/balanced-binary-tree/Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is
2015-06-24 13:31:22 527
原创 20150624 lintcode 总结 Validate Binary Search Tree
Validate Binary Search Tree题目:http://www.lintcode.com/en/problem/validate-binary-search-tree/Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is de
2015-06-24 00:11:56 543
原创 CC2530 Note 1:( ProcessEvent, MSGpkt, MessageMSGCB)
搞了半天CC2530 总算有点明白系统是怎么运行的了,jixil
2014-07-22 15:32:53 2104 1
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