1. 一个数的从右起第p1位和第p2位swap n位 unsigned int swapBits(unsigned int x, unsigned int p1, unsigned int p2, unsigned int n) { unsigned << n) - ); unsigned << n) - ); unsigned int xored = set1 ^ set2; //same is 0, different is 1 xored = (xored <<…

C. String Manipulation 1.0 Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 codeforces.com/problemset/problem/91/B Description One popular website developed an unusual username editing procedure. One can change the username only by deleting some characte…

Participate in Reproducible Research General Image Processing OpenCV (C/C++ code, BSD lic) Image manipulation, matrix manipulation, transforms Torch3Vision (C/C++ code, BSD lic) Basic image processing, matrix manipulation and feature extraction algor…

Java Algorithm Problems 程序员的一天 从开始这个Github已经有将近两年时间, 很高兴这个repo可以帮到有需要的人. 我一直认为, 知识本身是无价的, 因此每逢闲暇, 我就会来维护这个repo, 给刷题的朋友们一些我的想法和见解. 下面来简单介绍一下这个repo: README.md: 所有所做过的题目 ReviewPage.md: 所有题目的总结和归纳(不断完善中) KnowledgeHash2.md: 对所做过的知识点的一些笔记 SystemDesign.md:…

ACM(Array Complicated Manipulation) Time Limit: 5000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 513    Accepted Submission(s): 104 Problem Description Given an infinite array of integers 2,3,.... Now do som…

编程题常用知识点的review. most important: 想好(1)详尽步骤(2)边界特例,再开始写代码. I.vector #include <iostream> //0.头文件. 特性: 连续存储,动态双倍分配增长 #include <vector> #include <algorithm> //relevant using namespace std; bool comp(int a,int b){ return a>b; } int main(){…

WIKI Bit manipulation is the act of algorithmically manipulating bits or other pieces of data shorter than a word. Computer programming tasks that require bit manipulation include low-level device control, error detection and correction algorithms, d…

The Boost.StringAlgorithms library provides many free-standing functions for string manipulation. 1. converting strings to uppercase #include <boost/algorithm/string.hpp> #include <string> #include <iostream> using namespace boost::algor…

转载请标明出处:http://www.cnblogs.com/tiaozistudy/p/twostep_cluster_algorithm.html 两步聚类算法是在SPSS Modeler中使用的一种聚类算法,是BIRCH层次聚类算法的改进版本.可以应用于混合属性数据集的聚类,同时加入了自动确定最佳簇数量的机制,使得方法更加实用.本文在学习文献[1]和“IBM SPSS Modeler 15 Algorithms Guide”的基础上,融入了自己的理解,更详尽地叙述两步聚类算法的流程和细节.…

这篇BLOG是我很早以前写的,因为现在搬移到CNBLOGS了,经过整理后重新发出来. 工作之前的几年一直都在搞计算机安全/病毒相关的东西(纯学习,不作恶),其中PE文件格式是必须知识.有些PE文件,比如驱动,系统会在加载时对checksum进行校验,确保驱动文件的完整性.关于PE文件如何校验,网上有很多资料可以学习,这里有一篇文章<An Analysis of the Windows PE Checksum Algorithm>是对WINDOWS API  CheckSumMappedFile…