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General C++ Programming - October 2019 (Page 5)

Hi, I'm working on a project : Given an alphabet binary tree, find the length of the longest vowel chain and the node IDs on that chain. The length is defined ...

[3 replies] Last: awesome, your program crashes and you didn't even notice. run your pro... (by ne555)

by marhuum

Force originally global variable to be nearer

Is there C++ feature to force an originally global variable to be near or in the closest distant to the operation require it but cannot redefined within the sco...

[3 replies] Last: Great insight! Thanks. (by marhuum)

by AreejMKS

Class function problem

Hello. I'm trying to create a function in a class Complex that assigns one complex number to another one and return the result in a complex object, and another ...

[1 reply] : Since your class just has 2x floats in it, the assignment operator tha... (by Ganado)

by JUANDENT

Seek example of Range for in C++ 17 where end expression is a different type than the begin expression

In dealing with range for in C++ 17 standard, the end expression type may be different than the begin expression type, which allows for the range be delimited b...

[4 replies] Last: :) (by Thomas Huxhorn)

by JUANDENT

Why use && in range for?

Hi, I ran into an example of a range for where the elements are extracted using auto&&. Why is this? Why not use auto& ? What is the difference? The code ...

[2 replies] Last: https://blog.petrzemek.net/2016/08/17/auto-type-deduction-in-range-bas... (by Repeater)

by Alsya11

LHS and RHS

Jojo is learning new subject, Calculus I, and recently he found some diﬃculties. The Lecturer assign some exercises about inequalities and apparently, Jojo qu...

[4 replies] Last: Depends on the input format. What's the input format? Is it 1 2 3 4 ... (by Repeater)

by calvinfornia

Binary tree constructing

Hi ! Following is an input files, which states the information of each node in a binary tree : 9 1 e 0 0 2 z 0 0 3 e 1 2 4 i 0 0 5 e 0 0 6 h 0 0 7 a 3 ...

[3 replies] Last: How should I connect each node by using a vector container? Is there a... (by calvinfornia)

by CaptainDucko

How do I create co-dependant namespaces.

I have the following namespaces: A.h + A.cpp: #ifndef INHERITANCE_A_H #define INHERITANCE_A_H #include <string> #include <iostream> #include "B.h" namespac...

[2 replies] Last: to clarify the last part, there is no reason for A.h to include B.h an... (by ne555)

by calvinfornia

Longest path with same values in a binary tree

Hi, here's a source code of a program working on the longest path with same values in a binary tree. Given a binary tree, find the length of the longest path w...

[2 replies] Last: Got it ! Thanks a lot ! (by calvinfornia)

by Leo78963

member initialization

I would appreciate any help I have a point class as such: class Point { int x, y; public : Point (int xx =0, int yy =0){ x = xx; y = yy ;...

[2 replies] Last: Thank you for your reply. I think I'm supposed to use this inside the ... (by Leo78963)

by ne555

Visual Studio 2017: How to use traditional multi-translation-unit builds for debug mode

I thought the whole point of unity build was to reduce build time. perhaps //in main.cpp #ifndef DEBUG //include all sources #endif then you'll need to taylor...

[3 replies] Last: Spam links added in an edit. (by deleted account xyzzy)

by JOHN2172000

C++ PROBLEM (HELP)

Ok So i have a university project . i must write a program that allows the user to select if he wants to add multiply subsctract divide or have the remainder of...

[3 replies] Last: The code doesn't even compile with the right compiler settings like -W... (by Thomas Huxhorn)

by CaptainDucko

Create a static class function that takes an infinite number of arguments

Hello! Using a template I've created a function that accepts an arbitary number of arguments. It's called classless_print and it works: #include <iostream> t...

[5 replies] Last: I am also a beginner . So, i just want to know about the given topic w... (by archanasinghr)

by codecaine1

Question about 2D Array

Hey guys, I have a question. Please reference this YouTube video. Skip to 2:46 minute. https://youtu.be/Hq4NXKg84gM You will see that there is a function c...

[2 replies] Last: In an expression like cout << "Hello\n" , the type of the string lite... (by mbozzi)

by ddang19

Pointers and Arrays.

cpp.sh/6eukj link above is my code i'm not sure what i did wrong but the personality.out is print not correctly. Please help thank you Here is the...

[4 replies] Last: You need to add "9" as the first line of personality.txt. When I do t... (by dhayden)

by Aneiron

How to add Error Checking

I've written a program to create two random arrays, splice the first up to a point the user chooses, and combine the splice and second array to a third array. M...

[11 replies] Last: std::cin >> firstArraySize; // Assings inputed size to first array. ... (by Repeater)

by KingReno

Reverse 2d array (HELP!)

Hello again guys, i have this following assignment: Marks obtained by all students are stored in a two-dimensional array. Each row records a student’s marks ...

[3 replies] Last: Dice que necessitas una lista de las sumas de todos los grados para ca... (by Duthomhas)

by Cpp man 333

callback function without brackets??

Hi Guys, I met a little problem when I looking into the library of ESP32 library: https://github.com/espressif/arduino-esp32/blob/0cdfb0b193d9bf04adc50bf0d6020e...

[4 replies] Last: You are misreading it. (Sorry.) I think you are using the term “bra... (by Duthomhas)

by codecaine1

C++ OOP - Brainstorming what class and what we need

Hey guys, I am practicing and learning. I tried to make a simple game which was Rock, Paper, Scissors which I did okay and completed. But now I want to do th...

[10 replies] Last: careful with the operator. R beats S but R<S in that enum. you can... (by jonnin)

by Depressed

My word count adds other files word count together...

Hi, I was wondering if anyone could help me fix my word count accumulating other files word counts and make it so where it restarts all over again and just read...

[6 replies] Last: Wouldn't you think it would be a bunch simpler to copy the entire fil... (by dhayden)

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