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Beginners - February 2015 (Page 14)

Can someone explain why you would use an interface instead of an abstract class? I can't quite see the point, as the interface doesn't do anything the abstract ...

[2 replies] Last: Thanks for the clear explanation :) (by hornet07)

by Saqib12

Doubly LinkedList... Insert after function

this function is not working... can any body help me with this template <class T> void LinkedList<T>::insertAfter(T toInsert, T afterWhat) { ListIte...

[1 reply] : At line 11 you're skipping to the next item before doing the check. Th... (by dhayden)

by LimPa03

declare array that has element of 1 to 999999999 c++

i've been using dev C++, and im struggling with how to declare array element with 1-999999999. #include<iostream> using namespace std; int main() ...

[2 replies] Last: thnx for idea sir. (by LimPa03)

by lolo966

overload

Write your question here. plz can anyone re write this code without "const" after function and #define #ifndef POLY_H 2.#define POLY_H 3. 4.#includ...

[4 replies] Last: Have you been getting enough sleep recently? That's not how construct... (by dhayden)

by michael1320

Percents are not showing. Help please.

So this is some of my program. The parts I am having trouble with. So I have a function below called int calcPercentage. It calculates a test score percentage a...

[6 replies] Last: I'd say fixing your compile errors and warnings would be a good place ... (by jlb)

by Cplusplus321

Japanese Character Learning Game

I'm a beginner at c++ coding, and I wanted to make a program that would teach Japanese characters at a form of a game. I was wondering, after making an array of...

[1 reply] : Have you written any code, or is this still an idea at this point? If ... (by firedraco)

by sourcedesigns

Arrays

Hello i'm confused why this code does not work properly. The first for loop skips the first execution, when I enter how many names I want, it starts from name 2...

[4 replies] Last: Thanks guys (by sourcedesigns)

by The suffocated

Adding a new row to a matrix

Hello everyone. I've got problems with two - dimensional arrays. Need to add a new row to a dynamic matrix . But can't deal with the problem.The problem is...

[4 replies] Last: int *pt = new int {1,2,4}; int *temp = pt; pt = new int {1,2,3,4}; ... (by anup30)

by da659

Sorting the array

Hi all, i have this mini program that generates randomly 15 to 25 sized array. This array then randomly generate lower and upper case letters. In my design,I ...

[1 reply] : First, some comments about your functions. The directions say to write... (by closed account D80DSL3A)

by riceballs

Question about arrays

Need to write a function that takes in grades as arrays. However, to start, you ask the user for data, such as "cout << "Please enter all of the grades you woul...

[6 replies] Last: First of all, you have to declare size. int size = 0; Somewhere ... (by TarikNeaj)

by newtoc

string matching

program should find positions at which the small dna strand can attach to longer dna strand. this doesnt work for ( string::iterator i=longers.begin();i!=l...

[1 reply] : You have to explain more. What are those "dna strands" and what is re... (by keskiverto)

by jjwooyoung

caesar cipher printing additional characters?

I have the basic functionality of the cipher down, but when for some reason, it's printing out additional characters at the end. For example: input: Hello w...

[1 reply] : You're probably never copying the null terminator over to 'tmp'. Reme... (by Disch)

by faique66

Can anyone give me the answer of this question???

Can anyone give me the answer!! (Invoice Class) Create a class called Invoice that a hardware store might use to represent an invoice for an item sold at the st...

[1 reply] : Please note, that this is not a homework site. We won't do your homewo... (by MiiNiPaa)

by nick onfire

Insertind dashes in int.

I have to store ssn as an int but print it with dashes 000-00-0000. How do I go about with this. I know you can use substring for strings but using int is new. ...

[5 replies] Last: Haha, that's cute Cubbi (by LB)

by MrGoat

Ide Recomendations

I am a beginning C++ student and I was wondering what are the differences between the variou IDEs. What do you recommend and why? I am using a Mac with boot ca...

[no replies]

by dopeking187

Not compiling. Need help asap!!!

What am I doing wrong??? #include<stdio.h> #include<stdlib.h> #include<iostream> #include<conio.h> #include<fstream> #include<dos.h> void login(); ...

[1 reply] : [quote=dopeking187]What am I doing wrong??? You accidentally wrote #i... (by LB)

by LimPa03

Mouse click as Input.

// The question is that I want the "7" will be an output to other (2nd)box //if you press left click mouse button in the 1st box. // the problem is the output...

[5 replies] Last: Please read: http://www.cplusplus.com/articles/36vU7k9E/ (by LB)

by insaneassassin

taking decimal input from the user in c++

I want the input for the price in decimal format(15.00). If the input is in integer format then I want to convert it to decimal format. The maximum price for...

[4 replies] Last: Or you could use some of the manipulators provided in <iomanip> along ... (by jlb)

by Cedarsmoke

nan problem? nth root algorithm

I'm trying to get this nth root algorithm to work, but i seem to being getting nan after running and inputting the number with the given nth root. any help woul...

[2 replies] Last: Thanks! After some tinkering I understood what you meant about the N, ... (by Cedarsmoke)

by quoccuong04

asking about if

Hi. I just begin studying C++. I need some helps with my code. I want to write thing like this: if x1 or x2 are integer ( double x1, x2 before) cout >> "....",...

[1 reply] : Do you know to know whether a floating-point value is a whole number? (by LB)

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