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【LeetCode】【Python题解】Container with most water
这道题真真是在面试中碰到过,可惜当时复杂度到O(n2)了,太挫了,怪不得没有通过面试。 Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two en...
分类:编程语言   时间:2014-10-09 01:58:17    阅读次数:229
From Apprentice To Artisan 翻译 04
##Reflect Resolution 反射解决方案 One of the most powerful features of the Laravel container is its ability to automatically resolve dependencies via reflection. Reflection is the ability to inspe...
分类:移动开发   时间:2014-10-08 23:18:27    阅读次数:331
Install latest Eclipse IDE in Ubuntu 14.04, 13.10
Eclipse Kepler?4.3.2 SR2?is the most recent release from the Eclipse top-level project. It contains what you need to build applications based on Eclipse technology, including integrated developm...
分类:系统相关   时间:2014-10-08 15:10:55    阅读次数:457
LeetCode-Trapping Rain Water解法
解法:(1)建立一个二维数组,记录各位置左侧最高点及右侧最高点,可通过O(n)计算得到。 (2)根据上述信息及当前高度,计算该点竖直方向能容纳多少水,仍是O(n)完成。 综上,渐近时间复杂度为O(n); class Solution { public:     int trap(int A[], int n) { if(n return 0;         int* hi...
分类:移动开发   时间:2014-10-07 15:57:53    阅读次数:181
zoj 3471 Most Powerful
题目链接:zoj 3471 Most Powerful很经典的状态dp,使用i的二进制位表示粒子的状态,0表示存在,1表示不存在。dp[i]表示在状态i的情况下能够释放的最大的能量,注意自身不能够发生碰撞。例如4个粒子的状态1100表示第0个和第1个粒子不存在,第2、3个粒子存在则可以转移到状态11...
分类:其他好文   时间:2014-10-06 20:57:30    阅读次数:175
Inheritance
The language feature most often associated with object-oriented programming is inheritance. Inheritance is the ability to define a new class that is a...
分类:其他好文   时间:2014-10-06 20:32:10    阅读次数:192
Leetcode Plus One
//Given a non-negative number represented as an array of digits, plus one to the number. //The digits are stored such that the most significant digit is at the head of the list. //digits={9,9,9,...
分类:其他好文   时间:2014-10-06 13:46:10    阅读次数:200
mac下使用scrapy时出现的raise DistributionNotFound(req)异常的处理方法
在os x下,安装完python爬虫框架scrapy后,使用scrapy startproject tutorial新建scrapy项目时,出现以下问题:Traceback (most recent call last): File "/usr/local/bin/scrapy", line 5,....
分类:其他好文   时间:2014-10-06 12:32:50    阅读次数:412
一个int类型究竟占多少个字节
一个int占多少个字节?这个问题我们往往得到的答案是4.可是int究竟占多少个字节,却跟你的机器环境有关.As you can see, the typical data type sizes match the ILP32LL model, which is what most compilers...
分类:其他好文   时间:2014-10-06 11:44:30    阅读次数:211
Chapter 18 Saving, Loading, and Application State
Chapter 18 Saving, Loading, and Application State1. Archiving is one of the most common ways of persisting model objects on iOS. Archiving an object i...
分类:移动开发   时间:2014-10-04 00:03:55    阅读次数:286
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