General C++ Programming - C++ Forum

Difference between "->" and "." in C

Hi everyone, If one have defined a new typedef struct in C, the members of this new struct will be accessed by "->" or "." in C? I've read something abou...

[1 reply] : They access members of the struct. If you just have an struct instance... (by Zhuge)

by Gabi007

Columns

Hi! I'm working with arrays and I get them column by column and need to print them. I as there a way to print in columns? for example: I produce an array of ...

[1 reply] : I'm working with arrays and I get them column by column and need to ... (by buffbill)

by wuzup6678

Can somebody please help with c++ code on arrays!

I am trying to write a program that keeps track of social security numbers of customers I have to assume that its a four-digit number. When the program runs,it ...

[3 replies] Last: Your program is suffering from an acute case of malnutrition. Main() h... (by buffbill)

by Nathan Justice

Problems with rand() and srand()

Hello there. I'm in the process of writing a tick tac toe program. The game isn't finished, but it's completed enough that I've found a substantial error with t...

[4 replies] Last: Got it. Thanks all! (by Nathan Justice)

by ASCII14

switch statement

#include <strings.h> #include <iostream> using namespace std; int main(){ bool ben; ben = true; while(ben == true){ int benslastname; ...

[1 reply] : you can try this #include <strings.h> #include <iostream> using name... (by closed account 1v5E3TCk)

by tee360

Vector Swap?

I need help writing a sorting function that has an argument for a vector of ints rather than an array; it should use a selection sort algorithm. Here is what...

[7 replies] Last: In fact, you were using std::swap all along. The name of your swap ... (by cire)

by smartgurl

Codeblocks C++

Hi I'm wondering if I can get help with some C++. Create an application that will allow a project manager to list tasks and team members on a project, alloca...

[4 replies] Last: Also, you're wanting to get input from the user. An effective user-... (by ENIGMAx)

by BToven

drumpad sounds

hi,im making a drumpad program so if somebody could tell me from where to get the sounds.

[5 replies] Last: you can get some cool SFX on bfxr http://www.bfxr.net/ (by NSharbz)

by Blanchy

program efficiency if/elseif

C++ noob here, my program works, but how can i make it MUCH less redundant and inefficient? #include <iostream> #include <iomanip> using namespace ...

[3 replies] Last: You're still adding a redundant "reverse" conditional here: if ... (by Disch)

by ElPatoGarrido

Doubt about Files

Hello, i was wondering if ofstream, ifstream and fstream are for writing, reading, and writing and reading purposes respectively, for what are the tags ios::in,...

[2 replies] Last: There's a little hint in the name of each of those streams. i = input... (by ENIGMAx)

by EJ Destua

Elements

#include<iostream> #include<algorithm> #include<cstring> #include<vector> #define MAX 50 using namespace std; int main() { void remove(char , cha...

[3 replies] Last: from http://www.cplusplus.com/reference/string/string/ operator+= ... (by ENIGMAx)

by hello1111

using string to update array

#include <iostream> #include <iomanip> #include <string> #include <cctype> using namespace std; int Superior ={0}; int Economy ={0}; const int srow= 4 , sc...

[2 replies] Last: Can you specify any errors that are occurring or conceptual issues you... (by ENIGMAx)

by dominover

Header files?

Another questions. With regards to header files? Lets say I have a header file 'add.h' . Can it contain multiple includes all in the same file. eg below....

[5 replies] Last: > http://stackoverflow.com/questions/1653958/why-are-ifndef-and-define... (by ne555)

by qingze

How to generate real random number from normal distribution

I want to generate random numbers of normal distribution and use scentence like std::default_random_engine generator; std::normal_distribution<double>...

[2 replies] Last: But I find that each time the array I got are the same. That's becau... (by andywestken)

by Bosskardo

win32 API listbox SendMessage not working

Hi I have a problem with SendMessage. Anything I send doesn't show up but instead empty lines appear. What is wrong with my code? LRESULT CALLBACK WndProc(...

[7 replies] Last: Finally got it in a quite roundabout way: first I converted it to wstr... (by Bosskardo)

by dominover

Making a namespace C++

Would anyone be able to tell me where the namespace goes when you create a namespace. I know how it works I'm just not clear where the namespace is placed. Is...

[4 replies] Last: You're welcome! (by MikeyBoy)

by RishiNagrath

boolean flag !!

Hi,please tell me whats the purpose of bool flag given in following code as I am not able to understand being new to C++. void display_sp(int n) { student...

[6 replies] Last: ok...that explains everything....thanks MikeyBoy and iHutch .... (by RishiNagrath)

by R9986

Call-by-reference

This program is sorting a randomized array of integers using the bubblesort algorithm. I am trying to modify n correct the source code,so that the swapping o...

[1 reply] : I am not typing this again. http://www.cplusplus.com/forum/general/10... (by Script Coder)

by PavDub

Is this pointer arithmetics safe?

Hi, I hope my problem is well apparent from the (simplified example) code below... // by safeness I mean "working well at any std-compliant compiler" Thanks ...

[11 replies] Last: Well guys, we are getting a bit OT ... So to summarize: Question : ... (by PavDub)

by CSCImajor18

If / else if loop

#include <iostream> #include <string> #include <iomanip> using namespace std; int main () { //calculates a person's regular pay as well as overtime ...

[2 replies] Last: Please use code tags next time (use the <> button). if (answer = "ye... (by Branflakes91093)

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General C++ Programming - June 2013 (Page 4)