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Beginners - August 2010 (Page 5)

No, seriously, it's probably the stupidest question in a good while. I'm not a C/++ programmer; I can read enough syntax to get by but for the most part I just...

[1 reply] : Yes, that there is non-standard syntax. (It shouldn't compile.) It ... (by Duthomhas)

by sequba

Counting divisors

I need a very fast way of counting the divisors of very large number. I've written something like that, but it's to slow for me: unsigned long int numb...

[9 replies] Last: You're right, but this is enough for me at the moment. Maybe I'll try ... (by sequba)

by problems99

linked list and fonction in a structure

Hello, I begin and I've a little problem : I've made a code to create a linked list included a name and a number for each case, and then some sorting and del...

[5 replies] Last: Sorry, I'm stupid. I've understood that my problem was impossible. It'... (by problems99)

by xander333

First time using structs (1,2)

This is the code vul_struct.cpp #include <iostream> #include <cstdlib> #include <vector> #include <string> using namespace std; void vul_struc...

[32 replies] Last: There is obviously some confusion here between declaring and defining ... (by Galik)

by eugenemongoose88

converting a string to a int value

How do i convert a string of words into a int value? What is the code for it?

[9 replies] Last: this is an example of the source code and the parameters of the functi... (by Mihay07)

by gpfs7

cant figure out how to open a file called musicfile

in void initialize i am trying open a datafile to read from and a printerfile for out, i cant figure out what to put in there //Retrieving information from...

[1 reply] : Your main() function has no type and no opening brace: int main() ... (by Galik)

by Chazzmundo

2d array error

Hi I am trying to get user input for a tic-tac-toe game and am currently in the stage of checking if the inputted value and if it is an invalid number, it keeps...

[2 replies] Last: LB sorry this was a problem i mistakenly wrote , i have edited it ... (by Chazzmundo)

by hakermania

Question about Constructor

Actually, I have a C++ program in which I want to make a timer. The timer must be declared and created at the constructor of the program...What does this means?...

[no replies]

by aryagaurav001

problem with syntax enum

hi all,when i was doing a small program ,i found somewhat funny in the enum declaration,i would like to talk about it,so that someone could help,why is it happe...

[2 replies] Last: C++ is case sensitive, just use enum Boolean{False,True}; (by LB)

by patipati

How to make a source code of these executable files?

Hi!I'm new here and new to C++...I've been studying C++ for almost 4 months already...And I want to know the source code of these executable files....just follo...

[3 replies] Last: You can decompile a C++ program but writing from scratch is usually si... (by Bazzy)

by claudiordgz

My program crashes after a few moments, it has no compiling errors

Hi, I am totally new to C++ (2 weeks) and I've been doing this program (its my homework). The program is suppossed to build a database, so I'm in my first stag...

[5 replies] Last: Hi wasabi, Thanks a lot, your comment really got me going to try new ... (by claudiordgz)

by angelaang

string issues in header

Hello, I am new to C++. Currently I am writing a header file for my class. However, I keep getting errors relating to string. Here is my code. #include <s...

[1 reply] : you're missing std namespace. either replace string with std::string ... (by hamsterman)

by AlphaBravo

How do I call a function that returns a vector pointer

In the following code I have made a standard call to a function that returns a vector pointer. Line 26 is obviously incorrect and I was wondering if anyone coul...

[4 replies] Last: Thanks LB. I'm teaching myself and Ive found no comprehensive tutorial... (by AlphaBravo)

by pennywise

decode a text file

This is my first post. I'm trying to write a simple program to open a .txt file which would contain an aviation forecast and decode it into simple english that ...

[3 replies] Last: You'll have to create a new file with the translation. This is because... (by wasabi)

by wasabi

Allocating on the stack

This is a pretty beginner question but I'm quite sure I'm right and I am quite clearly wrong, so I feel the need to ask: what happens when you dynamically alloc...

[13 replies] Last: AHA! Yeah, reading that in bold solved it for me. A pointer as an a... (by wasabi)

by waqqassheikh

How to use a friend function in this code.

This code asks the user to input the reistance and voltage and calculates current and power - i'm learning friend function but i can't understand them. Could so...

[4 replies] Last: Thanks a million! It works perfectly now. Here's the final code: ... (by waqqassheikh)

by LoneJockRanger

How to add additional member functions to existing C++ objects.

Hello there, I'm not sure if what I'm trying to do is possible (I'd imagine it is). I am wanting to use the string class but I want to add additional functio...

[5 replies] Last: Thanks for the replies. I have actually implemented it the way yous ha... (by LoneJockRanger)

by dlugo

What does "ostream& os" do or mean in C++?

I have a function like this: void print(ostream& os, int number) { ..... } int main() { .................... print(number) } I ...

[6 replies] Last: You had a very dangerous logical error. char hexDigits = {'0', '1... (by ne555)

by Hextril

Guess the number

Write a program that asks the user to pick a number between 1 and 100. The program should then guess what the number is, asking the user at each guess if the co...

[10 replies] Last: my bad (by FeZedra)

by erickulcyk

Equals Operator Question

Whats the best way to say if (a==b==c==d==e==f==8){} ? Thanks, Eric

[14 replies] Last: That's a syntax error, right there. You need another ( after the if... (by LB)

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