General C++ Programming - C++ Forum

by ShinGouki

Help with Program

I am making a GUI program in Visual Studio C++ 2008. I have an image file that may help out in solv...

[no replies]

by closed account 4ET0pfjN

c++ vectors vs dynammically allocated arrays

What's the pros/cons b/t the two.

[3 replies] Last: Yea, I used Vectors for my Sieve of Eratosthenes prime generator progr... (by Whovian)

by Jaytrox

Can someone tell me what's wrong with my prgoram :(

#include <iostream> #include <iomanip> using namespace std; int main() { int acc...

[10 replies] Last: except not maths.h, math.h (by Echo773)

by Echo773

Can someone tell me why this wont work?

This code is designed to let users create their own estimates for pricing and for some reason, the g...

[11 replies] Last: solved changed grandTotal == to = (by Echo773)

by codder

Extract keys from a string

Hello, Supposing to have this string: std::string str = "Func(123.6,6565.3,342.2,76.04)" How can I...

[1 reply] : This is by no means a finished solution, but this is more than enough ... (by clanmjc)

by enigmaticady

the number of vowels (a,e,o) in the off diagonal of the array

This question is mainly based on Block II – Unit 1 and it tests your ability to work with arrays. ...

[2 replies] Last: yes (by enigmaticady)

by julng

sorting using strcmp alphabetically

Hi guys, I am stuck in sorting the string list. THe output i want is to sort the strings alphabet...

[9 replies] Last: > I am stuck in sorting the string list. Why can't you just use std... (by JLBorges)

by incognito

Sorting Algorithms Query

Is there a way we can directly use sorting algorithms in our programs? STL has sort() function whic...

[5 replies] Last: The standard algorithms library has std::sort() and std::stable_sor... (by JLBorges)

by Swizzler

Enumerations: Where to declare them?

Hello! I am yet another one of those fools who is trying to learn enough C++ in there spare time ...

[2 replies] Last: Thats brilliant! Thank you very much cire! (by Swizzler)

by Agent Smith

diamond problem - or not

Hello all, I have been thinking about this and I think I need some help. I have the following situa...

[5 replies] Last: @clanmjc: Yes, that is my current hierarchy. I also thought about this... (by Agent Smith)

by Mannah

Classes with overloading operators

#ifndef matrix_h #define matrix_h #include <iostream> using namespace std; class Matrix { ...

[2 replies] Last: The code as given does not compile - there are quie a few syntax erro... (by guestgulkan)

by tripline

Loop will not stop?

My break; isn't ending the for statement. User should only get 3 choices but they get to input more ...

[1 reply] : The loop only iterates 3 times. It may seem like more if you call the... (by cire)

by closed account 4ET0pfjN

dynamically allocated single vars/arrays

Hi, I am confused as why there are two ways to dynamically alllocate memory: int size = 12; int *...

[3 replies] Last: As noted: undefined behavior: anything at all may happen, now or lat... (by cire)

by AdamBomb89

Problem with 'switch'

I am currently writing a simple program for my C++ class. It's almost done, but I'm having some trou...

[13 replies] Last: You might change line 66 to studentInfo.open("studentInfo.dat", ios... (by cire)

by ceeplusplusrookie

I am so close! ( i think....)

Hey everyone! I am working on a project and I am sooo close, or so I think, to being done. I am ha...

[2 replies] Last: You just needed to calculate the four different values and save them. ... (by histrungalot)

by hopesfall

Initializing size of hash table

If I know how many items are going to need to go in my hash table, how could I initialize it to a si...

[1 reply] : Multiply the maximum expected number of elements by 1.5, and then roun... (by JLBorges)

by rasen58

Out of range at memory location

I have to read in two names from a text file and change each letter to its corresponding number valu...

[6 replies] Last: Never mind, I fixed it. I also made it more efficient. Instead of repl... (by rasen58)

by hopesfall

Help creating this algorithm please?

I'm working on a hash function that gives a given string an "ID" by mapping that string to a key. Th...

[1 reply] : The first trick is to notice that you are doing the same thing over an... (by Duthomhas)

by begin81

Populating Files in a Combo Box

I am a beginner. I have a 5 files that is saved on my C drive in a folder. I need to use MFC c++ an...

[no replies]

General C++ Programming - May 2012 (Page 41)

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