摘要：
Give an integer array，find the longest increasing continuous subsequence in this array. An increasing continuous subsequence: Can be from right to lef 阅读全文
posted @ 2016-09-09 21:37
Grandyang
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Find the length of the longest substring T of a given string (consists of lowercase letters only) such that every character in T appears no less than 阅读全文
posted @ 2016-09-08 11:13
Grandyang
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Given an encoded string, return its decoded string. The encoding rule is: k[encoded_string], where the encoded_string inside the square brackets is be 阅读全文
posted @ 2016-09-07 13:01
Grandyang
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A character in UTF8 can be from 1 to 4 bytes long, subjected to the following rules: This is how the UTF-8 encoding would work: Given an array of inte 阅读全文
posted @ 2016-09-06 23:22
Grandyang
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Given a string s and a string t, check if s is subsequence of t. You may assume that there is only lower case English letters in both s and t. t is po 阅读全文
posted @ 2016-09-05 13:57
Grandyang
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Given an unsorted array, find the maximum difference between the successive elements in its sorted form. Return 0 if the array contains less than 2 el 阅读全文
posted @ 2016-09-03 23:58
Grandyang
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Given a set of n nuts of different sizes and n bolts of different sizes. There is a one-one mapping between nuts and bolts. Comparison of a nut to ano 阅读全文
posted @ 2016-09-02 12:58
Grandyang
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Find the kth smallest number in at row and column sorted matrix. Have you met this question in a real interview? Yes Find the kth smallest number in a 阅读全文
posted @ 2016-09-01 12:24
Grandyang
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Given N axis-aligned rectangles where N > 0, determine if they all together form an exact cover of a rectangular region. Each rectangle is represented 阅读全文
posted @ 2016-08-31 13:51
Grandyang
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LaTex中使用itemize的时候，默认的每一项左边都有一小段距离，并不是紧贴着边缘的，那么如果我们想去掉这段距离，我们可以使用下面的命令： 阅读全文
posted @ 2016-08-31 02:04
Grandyang
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LaTex中字体大小有很多中等级，分别由下列命令控制： 阅读全文
posted @ 2016-08-31 00:48
Grandyang
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Given an integer array, find a continuous subarray where the sum of numbers is the biggest. Your code should return the index of the first number and 阅读全文
posted @ 2016-08-30 23:52
Grandyang
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主界面 【Q】选择循环改变方式 【W】移动 【E】旋转 【R】缩放循环改变方式 【7】物体面数 【8】Environment 【9】Advanced lighting 【0】Render to Textures 【1】【2】【3】【4】【5】分别对应5个次物体级别，例如Edit Mesh中的点、线、 阅读全文
posted @ 2016-08-29 14:17
Grandyang
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Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter at 阅读全文
posted @ 2016-08-28 23:57
Grandyang
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Given an integer matrix, find a submatrix where the sum of numbers is zero. Your code should return the coordinate of the left-up and right-down numbe 阅读全文
posted @ 2016-08-27 23:58
Grandyang
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Given an array of n positive integers and a positive integer s, find the minimal length of a subarray of which the sum ≥ s. If there isn't one, return 阅读全文
posted @ 2016-08-26 14:07
Grandyang
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Suppose we abstract our file system by a string in the following manner: The string "dir\n\tsubdir1\n\tsubdir2\n\t\tfile.ext" represents: The director 阅读全文
posted @ 2016-08-25 13:55
Grandyang
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OpenCV更新到3.0版本后，Stereo模块变化的挺多的，首先去掉了StereoBMState和StereoSGBMState这两个专门控制BM和SGBM算法参数的类，而且StereoBM不能直接声明实例，需要放到智能指针里cv::Ptr<cv::StereoBM>声明才行，而且不能直接通过访问 阅读全文
posted @ 2016-08-25 05:43
Grandyang
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在Qt中，我们设置好按钮的相应事件，连好信号槽，声明什么的也没什问题，但为什么点击按钮就是没有反应，检查了半天终于发现原来是子面板上也有一个相同名称的按钮，一般来说两个面板不为父子关系的时候，分别在不同面板上的控件是可以重名的，但是为了保险起见，最好所有控件都不要重名，毕竟起个不同的名字又不是啥难事 阅读全文
posted @ 2016-08-25 02:01
Grandyang
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Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: Note: You may assume the 阅读全文
posted @ 2016-08-24 11:13
Grandyang
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Given an integer n, return 1 - n in lexicographical order. For example, given 13, return: [1,10,11,12,13,2,3,4,5,6,7,8,9]. Please optimize your algori 阅读全文
posted @ 2016-08-23 10:30
Grandyang
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QTabWidget是Qt中的标签类，由于可切换到标签存在，大大的提高了软件可容纳的控件的数量，通过增加标签，我们几乎有用之不尽的空间，那么我们来看看这个类的一些基本用法： 声明控件： 切换标签的响应函数： 别忘了在头文件中加入私有槽的声明： 在代码中切换显示标签，0为第一个标签，1为第二个： 阅读全文
posted @ 2016-08-23 05:26
Grandyang
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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 a 阅读全文
posted @ 2016-08-22 06:43
Grandyang
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Given two binary strings, return their sum (also a binary string). Have you met this question in a real interview? Yes Given two binary strings, retur 阅读全文
posted @ 2016-08-20 14:55
Grandyang
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The gray code is a binary numeral system where two successive values differ in only one bit. Given a non-negative integer n representing the total num 阅读全文
posted @ 2016-08-19 15:08
Grandyang
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我们在使用Maya建模完成后可能会进行发布，为了自己或他人的方便使用，我们需要对建立好的模型进行些处理： 1. 删除历史记录：选择模型，Edit -> Delete by Type -> History 2. 数值归零： 选择模型，Modify -> Freeze Transformations 3 阅读全文
posted @ 2016-08-19 05:42
Grandyang
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Qt中的QTabWiget 类提供了一个标签控件，但是这个控件默认是有边框的，如果我们不想要边框，也可以去掉这个边框，我们可以在cpp文件中添加一行代码： 也可以在Qt Designer中在控件属性中找到styleSheet项，在打开的面板中之间加入下面一行代码： 如果想改变控件的背景颜色，可以参见 阅读全文
posted @ 2016-08-19 04:12
Grandyang
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Shuffle a set of numbers without duplicates. Example: 这道题让我们给数组洗牌，也就是随机打乱顺序，那么由于之前那道题Linked List Random Node我们接触到了水塘抽样Reservoir Sampling的思想，这道题实际上这道题也 阅读全文
posted @ 2016-08-18 11:42
Grandyang
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There are N children standing in a line. Each child is assigned a rating value. You are giving candies to these children subjected to the following re 阅读全文
posted @ 2016-08-17 10:57
Grandyang
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After OpenCV 3.0, CvMat cannot be directly converted to cv::Mat, we need to use function cvarrToMat() to do it. Please see the code below: 阅读全文
posted @ 2016-08-17 06:29
Grandyang
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Reverse digits of an integer. Returns 0 when the reversed integer overflows (signed 32-bit integer). Reverse digits of an integer. Returns 0 when the 阅读全文
posted @ 2016-08-16 23:28
Grandyang
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Given a nested list of integers represented as a string, implement a parser to deserialize it. Each element is either an integer, or a list -- whose e 阅读全文
posted @ 2016-08-14 23:49
Grandyang
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http://www.missyuan.com/thread-446934-1-1.html Photoshop绘制逼真头发发丝效果http://www.missyuan.com/thread-446912-1-1.html Photoshop合成在空中漂移的陆地http://www.missyua 阅读全文
posted @ 2016-08-13 00:52
Grandyang
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Given an arbitrary ransom note string and another string containing letters from all the magazines, write a function that will return true if the rans 阅读全文
posted @ 2016-08-12 11:35
Grandyang
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IOS学习资料 - 逆天整理 - 精华无密版【最新】【精华】 无限互联3G学院 iOS开发视频教程UI 极客学院IOS iPhone 6的自适应布局 阅读全文
posted @ 2016-08-12 05:57
Grandyang
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Given a singly linked list, return a random node's value from the linked list. Each node must have the same probability of being chosen. Implement the 阅读全文
posted @ 2016-08-11 10:17
Grandyang
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Design a data structure that supports all following operations in average O(1) time. Note: Duplicate elements are allowed. insert(val): Inserts an ite 阅读全文
posted @ 2016-08-10 11:43
Grandyang
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Download OpenCV 3.1 Download OpenCV Extra Modules Download VS2010 Download CMake 3.2.0 Download Cuda 7.5 Download GPU Computing SDK 4.0 Download Intel 阅读全文
posted @ 2016-08-09 12:19
Grandyang
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今天装latex的distribution MikTex时，360各种报病毒，一气之下怒删360，删完又觉得空荡荡的，于是找了一些可以替代360功能的免费软件，参见下面这个帖子我的“360安全卫士”各功能外国免费替代软件小列表。 阅读全文
posted @ 2016-08-09 05:14
Grandyang
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Divide two integers without using multiplication, division and mod operator. If it is overflow, return 2147483647 Divide two integers without using mu 阅读全文
posted @ 2016-08-08 23:52
Grandyang
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