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leetcode - Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum. For example: Given the below binary tree and sum ...
分类:其他好文   时间:2014-10-02 18:26:13    阅读次数:174
leetcode - 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 ...
分类:其他好文   时间:2014-10-02 14:18:33    阅读次数:267
IOS学习-报错误 Finishing up a navigation transition in an unexpected state. Navigation Bar subview tree might get corrupted.
环境:XCODE:5.0.2 IOS7模拟器界面:使用storyboard 拖拽简单应用:一个CoreData的CRUD用例。界面如下图(一个UITableViewController 列表 查询和删除 选择UITableViewCell后显示详细页面 一个UIViewController 进行编....
分类:移动开发   时间:2014-10-01 20:02:41    阅读次数:297
leetcode--Linked List Cycle--判断链表是否有环
Given a linked list, determine if it has a cycle in it. Follow up: Can you solve it without using extra space? 这个题目用快慢指针来做,重点在于代码怎么实现的简洁方便理解。 这里用快指针来判断链表是不是有NULL,没有NULL那再继续走,看是否能与慢指针遇上...
分类:其他好文   时间:2014-10-01 10:16:10    阅读次数:309
leetcode--two sum
Problem:Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of th...
分类:其他好文   时间:2014-09-30 23:33:10    阅读次数:319
Remove Duplicates from Sorted Array
Follow up the "remove duplicates",what if duplicates are allowed at most twice?思路一:使用变量numlength记录数组中相同数字出现不超过两次所得到的数组长度;code:class Solution {public: ...
分类:其他好文   时间:2014-09-30 23:01:00    阅读次数:171
CSS实现DIV三角形
本文内容收集来自网络#triangle-up { width: 0; height: 0; border-left: 50px solid transparent; border-right: 50px solid transparent; border-bottom:...
分类:Web程序   时间:2014-09-30 18:51:59    阅读次数:162
Two Sum
题目描述:Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the t...
分类:其他好文   时间:2014-09-30 00:24:31    阅读次数:208
Populating Next Right Pointers in Each Node II LeetCode
Populating Next Right Pointers in Each Node II  Total Accepted: 18934 Total Submissions: 62031My Submissions Follow up for problem "Populating Next Right Pointers in Each Node". What if t...
分类:其他好文   时间:2014-09-29 23:45:01    阅读次数:218
[r]Setting up Django and your web server with uWSGI and nginx
This tutorial is aimed at the Django user who wants to set up a production web server. It takes you through the steps required to set up Django so tha...
分类:Web程序   时间:2014-09-29 15:43:31    阅读次数:241
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