c# programming exercises with solutions

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Some programming specifications for C + +

there is a lot of the same logic code, consider whether it can be extracted into a function or template, especially when a logic does not increase dependency If you use a lot of dynamic_cast and have the same logical code, consider whether you can abstract this behavior into an interface Engineering Solutions A common library is a lib, like a library like SQL. Non-generic library, but some projects to use, create a new solution,

The beauty of programming-chess generals problems Java and C + + implementations

Solutions such as:And then my Java implementationPublicclassxiangqi{publicstaticvoidmain (String[] args) {bytes=81; while (s!=0) {if ((s/9%3) = = (s%9%3)) {s--; continue; } else system.out.println ("Chess position pairs for: (" +s/9+ "," +s%9+ ")"); s--;} }}The beauty of programming-chess generals problems Java and C + + implementations

Difficulties in Visual C ++ programming (1)

Reference: http://www.yesky.com/20030211/1651565.shtml [Preface:] There are a lot of problems encountered in programming, and good programmers won't have any problems, but many solutions are drowned in the vast "water" of the Forum, to facilitate the simultaneous query and save these benefits, I will collect common issues in actual programming and excellent post

Example programming: memory usage in C Language

pointer.. The memory pointed to by the pointer. If it is allocated by malloc, sizeof cannot be known. In other words, the memory allocated by malloc cannot be queried by the memory management module afterwards. Of course, you can writeCode. Problem: stack memory usageWhat is the problem with the program running below? Char* Getstring (Void){CharP [] ="Hello World";ReturnP;//The compiler will warn}VoidTest4 (Void){Char* STR = NULL;STR = getstring ();//STR content is SpamCout } Answer and an

Depth. NET platform and C # programming notes Chapter III

often called a hash tableDepending on the key (key), you can find the corresponding value1.HashTable precautionsCollections of type 01.HashTable can only be traversed with a foreach loop because there is no indexElements in the 02.HashTable collection are unordered (the element content is not presented in the Order of add)The key in 03.HashTable cannot be duplicated04HashTabel no RemoveAt ()2. Traverse three scenarios for Hashtable:☆: The first way to traverse all keys is to get value by the va

C Language Programming 11th time job

encountered problems, problem solving methods and doubts and so on.The format of the essay is as follows:Title: Basic application of experimental 11--pointersThe learning points of this lesson: (5 points)(1) .....(2) ................2. Problems encountered during the experiment and solutions: (10 points)(1)(2).......3. Experimental experience and summary of this chapter (10 points).........4. Reflections and Answers to several questions (15 points)(1

2015 programming-related to the first C-quality game in the US preliminary round, and the first game in 2015

2015 programming-related to the first C-quality game in the US preliminary round, and the first game in 2015 Time limit: 256 ms single point time limit: Ms memory limit: MB Description Two numbers a and B (a Input The first act is a number T, which is the number of data groups. Each group contains two rows. The first behavior N is the size of the Set S. The second act is an integer of N, indicating

(2) Socket Network programming (C #)----Synchronous transfer of strings

buffer array (byte type) - strings = Encoding.Unicode.GetString (buffer,0, buffer. Length);//Converts the contents of an array into string strings, and outputs to Console.WriteLine (s); + Consolekey key; - the Do //blocking the program for viewing results * { $Key = Console.readkey (true). Key;Panax Notoginseng} while(Key! =consolekey.q); - the + console.readline (); A } the}  ◇ Two programs are console programs, written in different

2018 on C language Programming (Advanced) Jobs-2nd time jobs

array to find the maximum and minimum value;Fifth step: Finally, the output can be carried out according to the requirements of the topic;(2) Flowchart: 2、实验代码#include 3、本题调试过程碰到问题及解决办法 错误信息1:The problem is that I put Max and Min's initialization in the For loop, which leads to a point at the time of submission;Correction method: After this error, I was also very puzzled, because I am typing an example of what is right but I can not cross that point. After I also tried the teacher sai

2018 on C language Programming (Advanced) jobs-1th time jobs

- 1 ; I> 0 ; I-- ) { for (j=i;j ) {s[j - 1 ]= s[j"; }} s[n -m+ 1 ]= " \0 " ; } V. Summary OF Knowledge:The flowchart is not very good, there may be errors, there are a few other flow chart will not get. PTA is very difficult for me a subject, the first semester is a reluctant clearance, the second semester to add strength.Vi. charts Date Blog Code 3.11 No. 0 Time Assignment 0

Programming Algorithm-part and question code (C)

Programming Algorithm-part and question code (C)Part and question code (C) Question: Given integers a1, a2,..., an, can be used to determine whether a number of numbers can be selected to make the sum of them exactly k. There are many solutions. The simplest solution is to useDeep Priority Search,Time complexity O (2

The Epoll function of LINUX-C network programming

(LISTENFD, (structsockaddr*) clientaddr, clilen);printf("Accept a new client:%s\n", Inet_ntoa (CLIENTADDR.SIN_ADDR)); EV.DATA.FD = CONN_FD; Ev.events = Epollin;//Set listener events to be writableEpoll_ctl (EPFD, Epoll_ctl_add, CONN_FD, ev);//New sockets}Else if(Events[i].events Epollin)//Readable events{if((sock_fd = EVENTS[I].DATA.FD) 0)Continue;if(n = recv (sock_fd, buf, MAXLINE,0)) 0) {if(errno = = Econnreset) {Close (SOCK_FD); EVENTS[I]

Boost.asio C + + Network programming Translator (8)

. There are several solutions for the above problem:Use global buffersCreates a buffer and then releases it at the end of the operationUse a Collection object to manage these sockets and other data, such as buffer arraysThe first method is obviously not very good, because we all know that using global variables is bad. Also, what if two instances use the same buffer?Here's the second way implementation: void on_read (char * ptr, const Boos

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