Beginners - C++ Forum - May 2011 (Page 4)

Okay for a long time now, I've wondered when it comes down to righting a programme, HOW DO I KNOW WHAT TO WRITE? How do I know what words/terms/etc will C++ acc...

[20 replies] Last: Wanted to say thanks to all the helpful replies, I will keep at it and... (by PraxxtorCruel)

by smkelsey

String array length

Is there a way that I can determine the length of a string array? I ask because I want to have a function perform operations on each letter in a name. I cannot ...

[8 replies] Last: thanks a bunch. (by smkelsey)

by mingare01

Arrays

im having trouble with arrays. I kniw how to declare them and add them in at one particular time. But i want to know how to enter one at a time. because im maki...

[3 replies] Last: You have several problems here. #1: case 1: for (i = 0; i < NU... (by Disch)

by tbtphoenix

random shuffle deck

I am working on a card game. I have the program able to shuffle the deck 52 cards in an array, but the way that the random is making the cards is with the card ...

[5 replies] Last: I would define a card as: enum Suits { Hearts, Clubs, Sp... (by webJose)

by Deathly

What does this declaration mean?

int const* const* const* i; or int const* const* i;

[1 reply] : The trick is to read pointer declarations backwards, and say '*' as "p... (by Disch)

by ivanho

C help

I need help about this simple task. #include<cstdio> #include<cstdlib> int main(void) { float a,b; scanf("%f %f",&a,&b); printf("%f",a+b); ...

[16 replies] Last: Thank you very much Moschops on this post.Now I know different (by ivanho)

by sselasky1

Binary search with array and infile

I can not figure out how to do a binary search when the infile is loaded into a struct in array. I do not know how to correctly name the parameter within the s...

[1 reply] : code below get 4 numbers and insert it in array than geting numbers fr... (by Anon777)

by GRex2595

Project skipping cin

I am trying to make a questionnaire program. It works the first time but when I try to make it repeat the process a second time it completely skips a line of c...

[7 replies] Last: Thank you, it works much better now. (by GRex2595)

by dalydir

Strings, getline, strcpy I don't understand

I've read so many posts etc about this stuff and really don't get it ifstream myfile("do.txt"); std::string part; std::string line; getline(myfile, par...

[14 replies] Last: 1. 'ss' is just a variable. Functions almost always have parameter lis... (by LB)

by dz1969

input one digit, output as five digits.

I'm trying to figure out how to input a number and make sure it ouputs as five digits. For example, I might ask the user to input an account number and say they...

[8 replies] Last: I would fill the string with 0's initially then user push_back: http:/... (by Computergeek01)

by Jerry04

Need help!

Hello everyone, I need to make a program for school, but I'm just without ideas, I'm trying now for over a week to figure out how to do it, but I just can't so ...

[1 reply] : File opening and reading: http://cplusplus.com/reference/iostream/fstr... (by Moschops)

by ooo1Adrian1ooo

C++ task solving

Define a class Deque_double that represents a deque of doubles by keeping its elements in a dynamically allocated array (with maximum capacity) and make the de...

[1 reply] : And what is your question exactly? What code have you made? Implem... (by ascii)

by flclempire

"The C++ Standard Library: A Tutorial and Reference

Hi. I'm wondering if anyone can tell me if this book "The C++ Standard Library : Tutorial and Reference" would be worth my time if I've already read through t...

[4 replies] Last: +1 Moschops (by jsmith)

by llVIU

getline skips

<SOLVED> I'm using 2x getline, but for some reason it skips over the first one and just adds the info to the 2nd one afaik it had something to do with buf...

[2 replies] Last: @ OP: About Line 62, why would you do something like that? About y... (by Computergeek01)

by Lynx876

do/while loop - infinite

Ok, I really need a fresh set of eyes on this. I've been trying to figure it out for too long now. So, here's the code and an explanation: void Robot::spaw...

[4 replies] Last: Maybe you should start debugging, rather than just reading the code. T... (by Moschops)

by Iskro

Please help fix arrays and structures

Hello everyone! This is a great forum, and it's helped me often. However, this time I have a problem that just lurking has been unable to fix. I have this progr...

[4 replies] Last: You're mixing strings. You're using C styles strings (a char array) a... (by kbw)

by queenzgurl

Sorting, Help!

I'm going to get to the point. I am having problems understanding how to sort. Please explain how do I sort the netpay of the below code. Thanks in advance! ...

[1 reply] : Well, you can't sort them if you don't store them anywhere.. Generall... (by hamsterman)

by Ali89

Problems with declaration of a data structure as a class member data

Hello, I have downloaded a header file from the internet which implements a data structure. The prototype of the constructor in the .hpp file is as follows: ...

[1 reply] : So your compiler doesn't like this? filter myFilter; That's st... (by shacktar)

by Ttown

counting number of lines

I have a file that contains thousands of numeric entries sorted into four columns. The structure of the data looks something like the following: 3 0.2 0.5 6....

[2 replies] Last: Great! Thanks a lot. Code works as I intended. (by Ttown)

by Kieth89

Why can I not concatenate this cin statement?

Why does this statement not work: cin.get().getline(numberOne->name, 100); yet something like this does: cin.getline(numberOne->name, 100).get(); I ...

[2 replies] Last: Why are you trying to do something weird like that anyway? Just use tw... (by Duthomhas)

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Beginners - May 2011 (Page 4)