51,593 Topics
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| | Hello, (this is not a homework). So, I've created a graph as adjacency lists: [CODE] class Edge; class Vertex { public: Vertex* vNext; Edge* adjList; char FirstElement; bool marked; Vertex(char a) : FirstElement(a), vNext(NULL), adjList(NULL), marked(false) { } }; class Edge { public: Edge* eNext; int weight; char SecondElement; bool …  |
| | Hello there, so i have this current project for school and i`m kinda stuck the program i`m suppose to write is this : __________________________________________________ ____ Each year many tourist visit our country please write a program that collect the following information: Name(first,middle,last) sex country age profession Also the program shoud … |
| | Hi I need code of how to copy part of string. like 0092-333-1234567 so i need to copy the part 333 or 1234567 in to a new string variable sample inputs 0092-1234567-333 333-0092-1234567 NOTE: poiters can also be used i need it in Turbo C++ or Dev C++ Thanks |
| | Hi, I am having "Out Of Memory" problem with my program.I am using Borland C++ 5.0. I have an MySQL type database and trying to access one of its tables.The table which I am trying to access (activate) is around 450 Mbyte.Here is my sample code which gives error: [code] … |
| | I have one additional problem can someone tell me if I did this one right and I should be done... The worst case number of comparisons in searching a bst is equal to its height - the number of levels in a tree. Write a recursive member function height() for … |
| | I'm having trouble with this code its part of a birthday profile for class everything else works but this date.cpp file....looked all throughout forms but can't find this particular one..Please help [code] #include "stdafx.h" #include "date.h" #include <string> using std::string; class TestBirthday { public: static void main() { int num; … |
| | hi im trying to make a tic-tac-toe game in c++ im using a 2-d array of chars to tell if there is an x, 0, or null i wanted to make a procedure i can keep calling every time i need to display the grid however i keep getting this … |
 | Hey all! I'm trying to figure out how to check if an element already exists in a vector. EXAMPLE: Elements in the vector are: "Dog", "Cat", "Fish", "Bird" If a user tries to add (case ignored) "Dog", "dog" or any other variation, I want it to spit out and error …  |
| | Hello: Am getting confused about making a 2 dimensional array of pointers allocate storage space dynamically in C++. Actually I just want the second dimension of the array to be dynamic in size. For e.g. a simpler version of what I want to do would be: Instead of, [code=c] int … |
| | The if statment I am using in my main program is not working, it should return the else value, but is returning the information in the if part of the statment and then it causes a run time error. I am not sure what is going wrong. [CODE] que1.add("Fish"); que1.add("Whale"); … |
| | I need some help. I want this program to ask the user how many grades they would like to enter. Than when the user inputs it should ask for the prompt enter your grades as many times as the user wanted. Than assign each letter to the number of grades. … |
| | Hello people, im basically looking for a method to create a class called "real_no" which has the capacity to store numbers as they are. i.e if the input is given as 2 + Root(2) then i should be able to store it as 2 + Root(2) and not 3.414. also, … |
| | Hey Guys i seem to be having an issue with the follwoing code when i complie in VC++ 2010. It compiles fine in both minGW and VC++ 2008. The code is as follows... The Program accepts three inputs whereby it outputs them in alphabetical order, very simple. [CODE]#include <iostream> #include … |
 | OK my programming/accountant friends, this is very long but I need your help again with an ad-hoc report! I am having a hard time getting my brain around solving this part of an application I am programming and was hoping to get your point of view. Maybe I'm going about … |
| | Hi,I want to make a program to search for files in a particular Directory,can anyone please tell me the basic functions to open directories and files(not txt files) in Visual Studio 2008.How to open a directory,and check the files in that directory,etc? I can do this in Unix by using … |
| | I am tring to remove three string from a que using nodes. When I try to remove the third one it does so, but then I get a debugging error. I think the problem is that I am not deleting the last node but I cannot figure out what I … |
| | Hi; in Ubuntu and C++, i need the code to obtain and show for screen myself MAC. Can you help me?. This is part of a big program and it's the only thing which i have problems I can use: #include <algorithm> #include <cassert> #include <iostream> #include <sstream> #include <vector> … |
| | Hello All, Could you please help me on below issue!!!! I am write and read binary file as below, when i write array to file it was writing good but when i read same array i am always loosing last values and below is the code for both operations. Writing … |
| | Hi guys! I want the user to enter the day, month and year in a dd/mm/yyyy format. But what i've written doesn't seem to work. Code: [CODE]char d[2]; char m[2]; char y[4]; cout << "Day:"; gets(d); cout << "Month:"; gets(m); cout << "Year:"; gets(y); [/CODE] In the output, it doesn't … |
 | My file structure is Project data sort main.cpp code as follows [CODE]#include <cstdlib> #include <iostream> #include <fstream> #include <string> #include "genlist.cpp" #include "genstring.cpp" using namespace std; int main(int argc, char *argv[]) { ifstream in; ofstream out; int unique=0; GenList<string> gList; gList.checkFileOpen(in,out); gList.populateNUnique(in); gList.sort(1); gList.output(); in.close(); system("PAUSE"); return EXIT_SUCCESS; } [/CODE] … |
| | How do i incoporate this countdown timer into my main? ive given it a go but it comes up a black screen.. timer: [CODE]/* clock example: countdown */ #include <stdio.h> #include <time.h> void wait ( int seconds ) { clock_t endwait; endwait = clock () + seconds * CLOCKS_PER_SEC ; … |
| | Alright, so everything works, except there are a couple minor bugs. Also, is there a more efficient way in doing my listen method? Thanks. Bugs: -First client does not recv the information it sent, until the 2nd client connects. (the server sends it back) -Everyother click recv's everything twice. Server.cpp … |
| | The if statment I am using in my main program is not working, it should return the else value, but is returning the information in the if part of the statment and then it causes a run time error. I am not sure what is going wrong. [CODE] que1.add("Fish"); que1.add("Whale"); …  |
| | I'm having a bit of trouble with dynamic_casting. I need to determine at runtime the type of an object. Here is a demo: [code] #include <iostream> #include <string> class PersonClass { public: std::string Name; virtual void test(){}; //it is annoying that this has to be here... }; class LawyerClass : … |
| | I am in need of clarification. I am still a 'noob' when it comes too C++. I get a lot of the basic stuff except passing arguments. I understand that you can pass by reference and by pointer and by copy. but things start getting really confusing from that point … |
| | Hi guys, I've compiled the code given below which allows the user to enter the address of a text file and then view it(the whole thing). But, as soon as input is taken, "openfile.exe has encountered a problem and needs to close. Send Error Report." When I Press Debug something … |
| | Good day my every one outthere, first let me start by saying that i am a complete novice to c++ programming. i got myself into some trouble while debugging a win32 program in 2008 V.studio. i did post this thread some 24 hours ago but no good result so far. … |
| | Hi! I´m new in this Forum. My problem is: I have two functions for replacing characters in a string. One in C++ other in inline Assembly: Example: Source string "björk" to destination string "bjork" In C++: [CODE] void ReplaceChar(char* s, int len) { for (int i = 0; i < … |
| | Hi ,all I hope that everybody will be fine I have q; How do I write simple [very simple] code that receives letters with stack [push,pop,over flow,under flow] for example . output: Enter later: A B C D E EDCBA i writed code that receives number .. but i face …  |
| | I'm trying to implement the non recursive traversal in a binary tree. I am having trouble getting started with my stack, and have no idea where to begin here. I have written a stack to hold int's before, but never to hold nodes(or whatever it needs to hold...pointers?) Here is … |
| | hey guys, im having a slight issue with overwriting a certain record that is selected by a user Basically my application is meant to get user in puts and store them in a file which is refered to when updating, adding a new record, deleting, searching etc here is the …  |
| | I'm making a basic football (soccer) manager game as my school project. Most of the other stuff is sorted out, but the scheduler is not working... [B]Background:[/B] I'm simulating the English Premier League,which has 20 teams. Each team plays 38 matches (exactly one match per week over 38 weeks) in … |
| | Hey everyone! I have a problem with my lab if anyone could help check my code that would be great. I'm supposed to write a program that asks a user for two strings and checks if the beginning of the second string appears anywhere in the first. It's also supposed … |
| | Hi everyone! So my task is this: Make a program in C which runs three processes (A,B,C), which use a common memory (buffer). Process A generates 50 random numbers and writes then into the buffer. Process B writes down every even number into file F1. Process C writes down every … |
| | can anybody help me transcribe this into vb.net [code] public string WriteNReadBuffer(byte [] TelnetNegotiation, NetworkStream stream) { stream.Write(TelnetNegotiation, 0, TelnetNegotiation.Length); Byte[] data = new Byte[256]; Int32 bytes = stream.Read(data, 0, data.Length); string returnval; returnval = BitConverter.ToString(data, 0, bytes) + "\r\n"; //textBox2.AppendText(BitConverter.ToString(data, 0, bytes) + "\r\n"); return returnval; } public void … |
| | Hi guys, Looking at this I know it is straightforward, but that hasn't meant that I have been able to get the solution - so here I am! I am entering serial numbers into a set container which is of type string. I want to be able to enter serial … |
| | So for this assignment we have to inherit from the base class 'Game' I think I have with my version named 'ChildGame' I would like help with checking the syntax of my function calls from main() [CODE] /*************************************************************************************** Programmer: C.Backlund Program: TicTacToe_1.cpp Purpose: A tic tac toe game Date Created: … |
 | Hi: I need to create a C++ code that will read a file and then used some of the numbers in the file for some calculations. The file will look like the following: [CODE]#IMAGE NPIX MEAN STDDEV MIN MAX 002.jpeg 1048576 1984. 490.1 1870. 65535. 003.jpeg 1048576 1984. 471. 1875. … |
| | Hello to everyone. I am working on pattern matching. Problem is that I have match source codes weather they are copies or not (c++ source code only). take two .cpp files and match them. and result that if they are match or not.. Please help me. Thanks in Advance. |
| | I have difficulties solving this program, so I'll be very happy if someone h elps me. Thanks in advance! Find a way in a maze Write a program that finds way between two points in certain maze. The maze is rectangular matrix which consists of cells. Each cell is from … |
| | i am trying to code my sprites to collect items which then display a score in the top left of the screen depending on which items they collect, each sprite has their own item and there is an item which deducts score. However i am at a loss as to … |
| | I am getting a few errors on my code. I know my INT and CHAR are not correct. Just not sure where. I am trying to pull data from a file. The data is a day ( and integer 01, 02, 03) a time of day HH:MM, and a level … |
| | I have a code, so far I have a problem: what is those mean? error C2143: syntax error : missing ')' before 'constant' line 65 error C2059: syntax error : ')' line 66 error C2143: syntax error : missing ';' before '{' line 67 error C2181: illegal else without matching … |
| | Hey guys, i am working with a program to basically read an input for a file and then storing it into a vector. my text file is called Sample.txt and contains data like this.. [CODE]How are you coping with programming? The quick brown fox jumps over me.[/CODE] Here are my … |
| | Hi folks, General question here... I'm writing a program which reads a ton of source data, crunches the numbers, and outputs a few nice summary reports. The source data is a lot of individual records: [B]00001,Item1,Item2,Item3,Item4,Item5,... 00002,Item1,Item2,Item3,Item4,Item5,... 00003,Item1,Item2,Item3,Item4,Item5,...[/B] Originally, I created an object called "Record," which stored each Item. But … |
 | OK, I've got a [90][10] 2d array. I have a set of pointers that point to the values in the array by column. each column holds different info. It's a payroll file so the zero column of my array corresponds to an employee number. What I want to do is … |
| | I have a code present but why do I have three c2447 errors by line 31,43, and 62 ? What are the ways to prevent that code ever present in the c++ system? //This is the software access for the //lowest score test drop at any level //in the system … |
| | que.print is not working and I cannot figure out why not I posted a lot of code because I cannot figure out where the error is, I think it is in que.cpp, but I am nto sure what is wrong. Here is the main [CODE]#include "Stack.h" #include "Que.h" #include<string> #include … |
| | Hi Every one i m new to MFC programming i have written a program using VC++6.0 the code is #include <afxwin.h> class MFC_Tutorial_Window :public CFrameWnd { public: MFC_Tutorial_Window() { Create(NULL,"MFC Tutorial Part 1 CoderSource Window"); } }; class MyApp :public CWinApp { MFC_Tutorial_Window *wnd; public: BOOL InitInstance() { wnd = … |
| | i want to make a single program for operating both server & client. i want my program to run in such a way that when program is launched, server should start listening for requests from other machines. but when i want to send data to other machines, my server should …  |
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