General C++ Programming - C++ Forum

guys, I need some help, I'm trying to make c++ progam to read text file. here's the deal, I have text file,"list.txt", contain "12,Ivan,45,Ryan,22,Rapael"...

[2 replies] Last: Thanks man, that's really help. (by StefanoKS)

by ciklez

Please solve my problem [Linked List]

I have a question on linked list 1. Write a program to read a list of integer numbers. Your program should be able: a. To add a new data into the list. b...

[4 replies] Last: are you just starting to work with linked lists? if you're comfortable... (by shocklightning)

by hazarada

Function returns wrong value

ok let me set up a sample of this problem: data structure: (simplified version) struct a { int value; a::a(int val) { value = val; } ...

[6 replies] Last: Rule of three: if you need a destructor, a copy constructor or an assi... (by ne555)

by umfan110

not declared in this scope

Hey i am really new and i bought a book on coding for c++ and every time i mannulay type in some sample code out of the book it always says random errors like '...

[5 replies] Last: thanks for the lead yeah im reading alot of reviews on the books he re... (by umfan110)

by metal7

Error in this code?

I have been told by my professor that there is an error in this code but it compiles just fine. He said that it had a simple common error. Any help with a brief...

[2 replies] Last: int main() { short * pPtr; pPtr= new short;//1 *pPtr... (by patchesOhulihan)

by hopesfall

Binary tree recursive functions

So I'm learning about binary trees in this book that I've been reading and one of the exercises asks me to "write recursive definitions that perform a task on a...

[1 reply] : heres a recursive function that gets the size of the tree, but it woul... (by GFreak45)

by Tsweeney

merge sort

Help! I need some help on how to write a func. that takes a list as an arguement and returns two equal lists. Any hints? I am pretty new to this, and am pretty ...

[5 replies] Last: #include "stdafx.h" #include<iostream> #include<list> #include<cstdlib... (by Tsweeney)

by maxicute012

Can someone help me out with this please?

I'm having trouble with this.... the traversing of the trees are so wrong... and i can't find the answer... #include<iostream> #include<conio.h...

[1 reply] : Do you have any idea what the problem is? (by Zhuge)

by Veltas

Appropriate null-pointer convention

There seem to be a few ways of representing null-pointers; 0, C's NULL, and nullptr. Thing is, they always appear to represent 0, and I'm not sure what the u...

[4 replies] Last: Thanks both for replying! (by Veltas)

by kryssie

Pretty Please Help :(

I've created the following code in a .cpp file using Microsoft Visual Express C++ 2010 (taken from Herbert Schildts A Beginners guide 2nd Edn): /* This is a...

[7 replies] Last: For pausing after execution, I usually just do this: // I always rem... (by Ben Bowen)

by kadirbayraktar

stacks and queues help please!!

hi guys, i have 2 questions about stacks and queues. i found some hints about them from here but i can't write programs these are the following questions. pleas...

[3 replies] Last: string text; int i = 0; stack<char> mystack; cout << "Write th... (by Ortonas)

by DeepBlack

vector<vector<string>> inside map

Hi, I don't know if what I am trying to do is crazy. but the following is the problem I have a map: //Global.h map<string,vector<vector<string>>> mill_pos...

[11 replies] Last: Yes, I see that it works! Thanks for the code, I need to figure out wh... (by DeepBlack)

by cbrew

Sorting an Array

I have to sort an array of 10000 elements with bubble sort, select sort, insert sort, and quick sort. And print every 1000th term. Im pretty sure there is somet...

[4 replies] Last: Hi! I'm not sure of the source of your algorithms, but a good one is W... (by liquidfuzz)

by Nethead

Reading from a text file, skipping chars

Hey. I'm trying to write a program that reads a series of values from a text file via cmd (C:\C++\program.exe < input.txt), and calculates and prints the logari...

[1 reply] : Try reading each line of input as a string and then attempt the conver... (by PanGalactic)

by coercedman66

Using void* and class* (1,2)

Is it ok to use a void* to store the address of a class?

[26 replies] Last: Hey sorry I didn't want to start a war ( it's true my last post can be... (by aquaz)

by crumbhead

Passing Arrays to Functions

Hey everyone, I just started learning C++ this semester and cplusplus.com (specifically the forum) has been an invaluable resource for me. I have a quick ques...

[11 replies] Last: intNumbersArray is really a bad name. int main (int intNumbersArray... (by closed account S6k9GNh0)

by Exiled

A cross platform similar alternative to Winsock2

Alright, I'm going to be programming a multiplayer aspect into my game pretty soon. I want the game to be compatible with Linux, so I would prefer to use a cro...

[7 replies] Last: Winsock2 is not cross-platform. There are subtle differences but WinAP... (by closed account S6k9GNh0)

by code builder

NEED HELP WITH THIS PART OF CODE

#include <cstdlib> #include <iostream> #include <string.h> #include <cmath> using namespace std; int main(int argc, char *argv ) { if(argc==1) ...

[6 replies] Last: I would like to differ char **argv; // argv = pointer(pointer(char)... (by Danishx83)

by Margarida Faria

makefile: symbol(s) not found for architecture

Hello! I'm trying to solve an issue with makefile. I have a main.cpp and then addOn.cpp and addOn.hpp. I'm just trying to do the simple makefile to co...

[no replies]

by closed account 365X92yv

Use C++ & wxwidgets for GUI or Use Java

Pretty much explanatory. I've got a timer program I wrote but it seems nigh impossible to try and decode all the BS that is wxwidgets and try to decipher it to ...

[2 replies] Last: Use Qt, the easiest GUI creator ever conceived (with C++). www.qt-pro... (by TheDestroyer)

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General C++ Programming - April 2012 (Page 48)