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

Vowel chain in binary tree
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 ...
Oct 20, 2019 at 6:43pm
[3 replies] Last: awesome, your program crashes and you didn't even notice. run your pro... (by ne555)
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...
Oct 20, 2019 at 5:31pm
[3 replies] Last: Great insight! Thanks. (by marhuum)
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 ...
Oct 20, 2019 at 4:59pm
[1 reply] : Since your class just has 2x floats in it, the assignment operator tha... (by Ganado)
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...
Oct 20, 2019 at 4:12pm
[4 replies] Last: :) (by Thomas Huxhorn)
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 ...
Oct 20, 2019 at 4:00pm
[2 replies] Last: https://blog.petrzemek.net/2016/08/17/auto-type-deduction-in-range-bas... (by Repeater)
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...
Oct 20, 2019 at 12:43pm
[4 replies] Last: Depends on the input format. What's the input format? Is it 1 2 3 4 ... (by Repeater)
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 ...
Oct 20, 2019 at 7:24am
[3 replies] Last: How should I connect each node by using a vector container? Is there a... (by calvinfornia)
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...
Oct 20, 2019 at 3:55am
[2 replies] Last: to clarify the last part, there is no reason for A.h to include B.h an... (by ne555)
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...
Oct 19, 2019 at 9:45pm
[2 replies] Last: Got it ! Thanks a lot ! (by calvinfornia)
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 ;...
Oct 19, 2019 at 8:45pm
[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...
Oct 19, 2019 at 7:53pm
[3 replies] Last: Spam links added in an edit. (by deleted account xyzzy)
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...
Oct 19, 2019 at 12:23pm
[3 replies] Last: The code doesn't even compile with the right compiler settings like -W... (by Thomas Huxhorn)
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...
Oct 19, 2019 at 10:49am
[5 replies] Last: I am also a beginner . So, i just want to know about the given topic w... (by archanasinghr)
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...
Oct 19, 2019 at 4:16am
[2 replies] Last: In an expression like cout << "Hello\n" , the type of the string lite... (by mbozzi)
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...
Oct 18, 2019 at 8:20pm
[4 replies] Last: You need to add "9" as the first line of personality.txt. When I do t... (by dhayden)
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...
Oct 18, 2019 at 7:54pm
[11 replies] Last: std::cin >> firstArraySize; // Assings inputed size to first array. ... (by Repeater)
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 ...
Oct 18, 2019 at 5:14pm
[3 replies] Last: Dice que necessitas una lista de las sumas de todos los grados para ca... (by Duthomhas)
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...
Oct 18, 2019 at 4:54pm
[4 replies] Last: You are misreading it. (Sorry.) I think you are using the term “bra... (by Duthomhas)
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...
Oct 18, 2019 at 4:37pm
[10 replies] Last: careful with the operator. R beats S but R<S in that enum. you can... (by jonnin)
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...
Oct 18, 2019 at 3:17pm
[6 replies] Last: Wouldn't you think it would be a bunch simpler to copy the entire fil... (by dhayden)
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