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Beginners - October 2014 (Page 48)

Question about run length encoding, encoding part.

Hello! cplusplus forum I have a problem with the encoding part of RLE, I just started programming. The problem is in the ´void coderen ()´ part. The thing...

[2 replies] Last: ah i see, thanks for the quick reply, Peter! (: (by arraan)

by akai09

one more question

hello guys i need help with this. im bit confused........ assuming a= 2 b= 3 c= 4 d= 5 why when i had if (!(d = 4) the output of d changes from 5 to 4? and wh...

[2 replies] Last: = is the assignment operator. d = 4 will assign the value 4 to th... (by Peter87)

by Jacobhaha

default argument

Can someone tell me what a default argument is in a function? bool isLegal(int age, int minAge = 21) { return age >= minAge; } legal = isLegal(age); // sam...

[3 replies] Last: This is legal int minAge = 21 (by closed account SECMoG1T)

by JoshiMoshi

I can't make my program ignore input with extra spacing, it only gives up error.

Hi everyone, I'm writing an airline seating program and they demand that you should be able to write an entire line at once. I.E. The input 3a y 3k y 3b Now ...

[1 reply] : Bump out of desperation. (by JoshiMoshi)

by HG319

Converting money into bills and change

I have a lab where I am asked to take an amount of money and convert it into the types of bills and coins. We only have an infinite amount of US $20, $5, $1, 50...

[1 reply] : Yeah. It's floating point rounding error. You should probably ask the ... (by TheKingOfTyrants)

by trevormoon

AVL deletion when node has no children or 2 children

Hey guys I'm working on my deletion function for my AVL tree and cannot seem to figure out how to make it work correctly. I think my main issue lies in my imple...

[no replies]

by Collwyr

Displaying values in reverse order and from smallest to largest (HELP!!)

Hey guys, so I'm starting to learn C++ at Uni and I'm doing one of these questions in tutorial to help you grasp what you learnt in a lecture hall and I've hit ...

[13 replies] Last: @Kemort soon as i can figure out why my visual studios has decided to... (by Collwyr)

by Mizanyo

C++ Book For Begginers

I've decided to let go of learning the C programming language and learn C++. Can anyone recommend me a good book aimed at beginners that have never programmed ...

[10 replies] Last: a free and beginner friendly e-book: http://it-ebooks.info/book/3586/ (by Jacobhaha)

by Northern

Should I learn OpenGL/DirectX next?

Hi. So, I've been learning C++ and I think I have a relatively good progress so far. I went through C++ itself, then learnt some QT, other libraries. Doing fi...

[no replies]

by dunnDolphin

loop counter

I'm very new to c++. Is there a way to count of the number of times a wile loop iterates? And capture the number in a variale??

[4 replies] Last: Thank you. That's all very helpful. Now to be a little more specific. ... (by dunnDolphin)

by bman364

Variables between classes and main.

So I have a project(tic tac toe) for a class that involves our first use of c++ and I need some help with classes. Can I use variables/arrays between classes? a...

[2 replies] Last: ok, this is my first time using classes without even being taught how ... (by bman364)

by cyprusforever

Beginner question about cin.ingore

Why is cin.ignore(1000, 10); used after cin >> variable; if the computer is executing in sequential order ? Isn't the computer supposed to know about the buffer...

[1 reply] : cin.ignore(1000, 10); Do not do that. '\n' literal is there for ... (by MiiNiPaa)

by darklord1

Iterative/ recursive help

I need to write the iterative and recursive versions of a function that takes in two vectors a and b, both are vector<int>, and returns whether a is a sub-vecto...

[no replies]

by spring2014

How can I make 3*3 array?

Dear Friends, Would you please help me with the code below? I want to make a 3*3 array. I mean 9 times the code ask me the t and it calculate the acc and put ...

[8 replies] Last: Thanks for your comment. There is still error in lines 13 and 25 1-I d... (by spring2014)

by cyprusforever

String over Character data type when validating

How can I use a character in input validation and make it so that it doesn't accept anything other than the valid input. For example: I prompt the user... ...

[4 replies] Last: the example you provided still uses strings if i'm not mistaken.. (by cyprusforever)

by AlyssaBlack

Printing Array

Hello everyone, I'd like to ask, how should I print an array? I'm not sure which part is wrong though... if (R%2==1) { for (y=0; y<R;...

[1 reply] : If you want to print each element of the array you will probably need ... (by jlb)

by St4be

Temperature Conversion

Hi. I am trying to program a temperature conversion program for a school project. It needs to accept and convert between Farenheit, Kelvin, Rankine, and Celsius...

[7 replies] Last: What loops are you talking about, I don't see any in your code? I do ... (by jlb)

by JoJodoggy1

Value Returning Factorial Functions

My program won't run b/c I'm getting an error that "function 'int factorial(int)' already has a body". Also, I'm not sure if I declared the variables in their...

[6 replies] Last: Great, thanks I will implement these fixes over the weekend! (by JoJodoggy1)

by procastination

How do we know that a compiler will use const_iterator?

Say for example i have this code class SceneNode { public: typedef std::unique_ptr<SceneNode> Ptr; SceneNode(); private: std::vector<Ptr> mChildren; S...

[11 replies] Last: > Const is sometimes confusing Does this alleviate the confusion? #... (by JLBorges)

by kg1

how to start programme

Write your question here. Hello world, I'd like to study programme in C++. But really don't know where and how to start. :-| Can anyone help? Hope to h...

[1 reply] : http://www.cplusplus.com/doc/tutorial/introduction/ Get cracking! Yo... (by megatron 0)

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