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Beginners - April 2019 (Page 22)

Program bombs out after I ever the value for x

The header file & Implementation is exactly as it is the textBook The exercise is only to write the main program to test copy constructor. class pointe...

[9 replies] Last: Thank you all good people. The introduction of the little 3 character ... (by Bopaki)

by Idemo19

Can't seem to understand why my Insert function isn't working correctly.

Hello, I've been trying to recreate a Morse Code Binary Search tree like in this image, https://imgur.com/a/ByxW6hh. But I can't seem to understand why my Inse...

[1 reply] : No C++ necessary, Pipelines is all you need: pipe diskr morse.txt!sor... (by MikeStgt)

by closed account 9hX8C542

Function about Vowel Removal Error

So I was writing a function to remove all the vowels in a string, and I kept getting this error: pa07.cpp:138:39: error: non-const lvalue reference to type '...

[2 replies] Last: You are not the first one, see here: http://www.cplusplus.com/forum/be... (by MikeStgt)

by Halken

Convert from Arabic to Roman Numerals

I am trying to convert Arabic to Roman Numerals (with the intention to later do the opposite using the same code), however, the test cases are not outputting th...

[1 reply] : Look here: http://www.cplusplus.com/forum/general/250894/#msg1104938 I... (by MikeStgt)

by stoneJax

Constant Objects

I have a couple fraction objects that are declared as constant and they go through a multiplied function and get multiplied correctly. Then the answer goes thro...

[4 replies] Last: That makes sense. That was actually how I was trying to do that in the... (by stoneJax)

by HighwayStar77

Sending terminal output to text file

I have to do an assignment where I make a diamond in C++ with asterisks and output the result to the terminal and a .txt file. The diamond shows up fine when I ...

[1 reply] : You need to execute both cout << ... and output << ... within ... (by JLBorges)

by PiggiesGoSqueal

Improving my overload constructor's number of arguments

I want to create a game that runs in the command prompt. Not sure if it'll be only text based or will have basic ASCII art yet. But anyways, I'm setting up the ...

[3 replies] Last: > What's this part of the code do..? It initialises the two members ... (by JLBorges)

by dbarclay100

Move the indicated code into functions

Im not sure what Im doing wrong. How would I fix my code? Original code // Move the indicated code into functions. #include <iostream> using namespace std...

[2 replies] Last: @AbstractionAnon thanks (by dbarclay100)

by CodingIsHard17

Creating a code using classes to keep track of a company's day to day business

I am trying to modify the code to keep track of day to day operations of a made up medium sized company. I want the name to be Minion World. class Task ...

[4 replies] Last: Another tutorial on classes and object-oriented programming: https://w... (by deleted account xyzzy)

by closed account 9hX8C542

Help with a function

So I need to write a function that is described like this: std::string capitalize(const std::string& str); /// Returns a copy of the string centered in a ...

[3 replies] Last: Thanks both of you, I was having such a hard time, but I'm good now. (by closed account 9hX8C542)

by airscuba

sum of k adjacent elements in array

Hi to all. This is my first topic. My problem is this: when I run the code posted, the value of MAX at the end of "for" cicle is right, but when I write it ...

[6 replies] Last: I think you need to swap your current lines 18 and 20. What you do wit... (by lastchance)

by sturk

C++ Polymorphism

Could anyone tell me why is the output for the code below "Derived::foo()" and not "Base::foo()"? Revising for an exam. Thanks class Base { public: vi...

[1 reply] : Here is a runnable version of your code. (Please don't use void main()... (by lastchance)

by aimh4wk

How do I instantiate a templated doubly linked list with strings?

I'm trying to create a doubly linked list filled with strings. It works with chars and ints but when I create a DLL of type std::string, it compiles with a blac...

[4 replies] Last: Alright. I removed all NULL comparisons and made them 0. I am runnin... (by aimh4wk)

by wuwy

How to stop program sequence if it reaches its target

Hello. I need help with this exercise, been trying to figure it out for the last 2 hours and this last bit specifically is what I keep failing at. Gist of th...

[1 reply] : one way you can stop by adding more conditions to your for loops. eg ... (by jonnin)

by jasonwhite00

Setting one key to 15 different numbers

Hi, I have to create a program with a Bingo board that can cross out numbers as you read them in from a text file. The only difference between my project and t...

[4 replies] Last: This should work with C++11: It does. (by MikeStgt)

by Eristato

Primary Expression Error (Help?)

I keep getting an "expected primary-expression before '.' token" on lines 6 and 12. Does anyone know what's wrong? Thanks. I am using SFML and a sprite to make ...

[1 reply] : You wrote Event but meant event on both lines 6 and 12.... (by mbozzi)

by thinhphucvang

Unhandled exception

#include <iostream> #include <string> #include <fstream> using namespace std; struct cmt { string no, hour, min, gender, age, job, subject, conten...

[8 replies] Last: I've tried to converted the numbers into integers, but all I get was: ... (by thinhphucvang)

by Flynn Rhodes

Help with methods and pointers GROSSPAY

I am having trouble getting my calcGross Method. I can't get it to multiply a int* by a double* to go into a double. I am also getting an error on line 9 at the...

[7 replies] Last: Thank you for the help it's running now! (by Flynn Rhodes)

by liz Lopez

Queues implementation

1. Create a PriorityQueue class and implement a new enqueue ) method to implement a priority queuing discipline. For efficiency, priority queues are often imple...

[1 reply] : #include <iostream> #include <cctype> #include <limits> int main() {... (by deleted account xyzzy)

by Jclow

While within while just hanging?

Hi Guys, I'm trying to extract data from an XML file. I have multiple groups of data, with each group being between a PrimaryMarkerStart, and PrimaryMarkerE...

[7 replies] Last: Thank you Peter, I'm kicking myself for not spotting that, it works p... (by Jclow)

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