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General C++ Programming - November 2011 (Page 3)

Is there a way for me to have a user enter a string, then assign a dynamic array to all the locations where the char values of the string are stored in order to...

[1 reply] : Not sure what you mean. The string class has methods to get individual... (by bbgst)

by readysetgo

Floating Point Precision Questions

Hi all, I think the one area I lack knowledge in most is when it comes to floating point precision. I don't understand the following code: #include...

[2 replies] Last: precise precision Nice. Floating point values are stored as pairs of... (by helios)

by aswmack

writing a program using functions.

hi!! I'm in need of major homework help. I have to write a program using functions that basically outputs a phone bill to the monitor. I honestly can't seem to ...

[4 replies] Last: well my professor gave me this as in outline for what I should do with... (by aswmack)

by PookDog

Fib

Hi Guys I am fairly new to C++ and although I have been doing pretty well, I am now stuck on a certain code. The problem given to us is stating : Write...

[2 replies] Last: I would also recommend dynamically initialized arrays ;) (by LB)

by martineu

Task: Write a C++ program !

Dear everybody I am a newcomer and unfortunately, I have absolutely no idea in terms of the C++ programming language. But I already know what the structure ...

[2 replies] Last: Thank you for you response, now the basic staff is clear! I hope tha... (by martineu)

by Aramil of Elixia

help with rpg code

My header is a collection of all neccesary headers and using namespace std; When I run this, it always says that my command is invalid no matter what I write. ...

[7 replies] Last: duh i am not at my smartest tonite i forgot to delete the second one w... (by Aramil of Elixia)

by mzimmers

error using ifstream

I thought I knew how to do this, but evidently not. Here's the offending code: #include <iostream> #include <fstream> using namespace std; . . . ifst...

[6 replies] Last: I realize that I've marked this as solved, but...I'd like to ask a fol... (by mzimmers)

by milleniumgirl199

Help with Assignment

Hello, I really need help with this assignment and don't quite know how to create the source code for it. Here's what I need to do: Hi, I'm really new at ...

[2 replies] Last: I'm sorry, I just didn't know that forum to post it in. (by milleniumgirl199)

by zulfikar

Binary File Programming Problem

Basically i want to write user inputs to a binary file using C++ streams. Although these programs compile successfully, it doesn't write a record to my binary f...

[9 replies] Last: How i can split a string that is entered from standart input in main f... (by zulfikar)

by Johnb5

HELP!!

I've only gotten some of this program done so bear with me but can anyone assist me with this??? ***Write a program that will let you continuously display ...

[no replies]

by ashley22

Sorting arrays, please help me

I came here for help with writing my program. Instead I got all sorts of rude comments. I took Aramil's suggestion and indented my program. Still people are com...

[5 replies] Last: OP: I can't display the sorted version of my array. I tried to call ... (by Moschops)

by Bill Thompson

Input values into an array

Hello Can someone help me with this please. This is not the full code just small aspects. I have array a ={0}; when i try this int i cin >> a ...

[3 replies] Last: @bbgst int a = {0}; as well as simply int a = {}; initialize al... (by Cubbi)

by bibiana

nested lists, how to insert into a specific list

hi, I have a structure list<list<int> > mylist; and an int that tells me into which outer list I should insert some other value. e.g.: int i = 3; now, ...

[4 replies] Last: ok thanks, it's working now. (by bibiana)

by wanting2learn

STL version of boost::circular_buffer??

What can I use from the STL to replicate the boost::circular_buffer?? For example I have the following: MyStruct{ int blah; int blahblah; } typedef b...

[3 replies] Last: I have used a vector and with slight modification to my code it does m... (by wanting2learn)

by Ziv Mhabary

An obvious behavior, simple mean code

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[8 replies] Last: OP Hello, I have the next code which calculate mean of an matrix. al... (by Moschops)

by j2l

openssl/des.h

Hello, I want to create a program that encrypts a text file using DES. I am using the openssl/des.h library but I got stuck and I can't move forward anymore. H...

[3 replies] Last: The code you posted above have a number of problems in addition to the... (by andywestken)

by uhraurhua

Line intersection with a triangle.

Hi, I am trying to make an algorithm that can determine the intersection point between a line formed by 2 points A(x1,y1,z1) and B(x2,y2,z2) and a triangle CDE...

[7 replies] Last: Sorry, I made a mistake in mine The matrix M is constructed by writin... (by mik2718)

by mexists

How do I: string class operator+

As we know that operation like int i=1, j=2; i+j; will not change the "i" or "j" variables' value because it only change for a temporary when the statement is...

[7 replies] Last: If it is not to late, you should make the argument to your operator+ m... (by trailfrenzy)

by dsi2272

Help with iterators.

Hi. Im having a problem with a function in my class that uses vectors and iterators. I know it is this function as when I comment it out it works fine. I am try...

[14 replies] Last: When incrementing an iterator use the prefix ++ instead of the postfix... (by trailfrenzy)

by Aramil of Elixia

help with break

So i was reading a tutorial on c++ (actually the one from this site) because you never know what you will find that you didn't know before, and I came across a ...

[7 replies] Last: thank you. (by Aramil of Elixia)

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