Beginners - C++ Forum - March 2019 (Page 23)

Assignment operator implicitly deleted

Hi I just received the following error message which I'm struggling to fix: *__result = std::move(*__first); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~ ...

[1 reply] : I think the issue is something to do with the constness of Element ... (by Enoizat)

by JJDukes

Attempting to sort arrays using for loops, however if/else if statements are not acting as I expected.

My goal is to create a function which will sort an array so that a specific number (int e), is moved to the back of the array, but the order of all the integers...

[6 replies] Last: Update! #include "stdlib.h" #include <iostream> #include <cstdlib> ... (by JJDukes)

by kmce

Data structures - project advice

Hi, I am not looking for help with a certain piece of code. But I am looking for some advice in regards to a project I want to start. I am somewhat new to progr...

[1 reply] : A three room adventure. #include <stdio.h> #include <string.h> enum... (by salem c)

by cash

I need help

I have a project that deals with a nuclear wall containing neutrons, and I'm confused on how I should set up my code? Here is a link of the project https://ww...

[7 replies] Last: So basically in the for loop I should separately assign double angle... (by cash)

by sr2cute702

changing a US dollar bill with coins

Hello, i was working on a small program to find how many ways you can break a dollar. i was able to code a simple version that randomly chooses a coin value fr...

[2 replies] Last: I think so, just coding wise is were I'm lost. Would this be a multi d... (by sr2cute702)

by Crungle

Drawing a triangle?

I'm taking a class on C++ where we need to copy examples from a textbook, and despite copying an example exactly it is not working as intended. The program is s...

[1 reply] : It works correctly for me: C:\Users\Michael\Programming\foo> a Ente... (by Duthomhas)

by porkshop

Cant i write like this?

How could I store I in p if not? if (num%i == 0) i >> int p;

[2 replies] Last: you may have seen something a little like what you are trying to do wi... (by jonnin)

by mpg

String problems c++ (1,2)

I have these problems c++. 1) Write a function with 2 parameters x and y, x string, and y character. The function returns the number of occurrences of y in x. ...

[32 replies] Last: I don't think I can help you any more. You should find someone who can... (by dhayden)

by brianbathorycpp

mt19937 is giving me the same number

I'm trying to understand how rng works but everytime I run my program it gives me the same number. I can't figure out what I'm doing wrong and I couldn't unders...

[13 replies] Last: Hashing seeds is a common idea taught to people, but a bad one. See, ... (by Duthomhas)

by caesarra2

Is it still worth using classes if I will use only 1 object of a class?

As the title says, I'm curious about this. Thanks =)

[3 replies] Last: Thank you, guys! (by caesarra2)

by ThomasJimenez23

continue to get two answers.

HELP!?!? When I run the code, any number that I input bigger than 1 I get two answers. I am not sure what I am doing wrong, I have tried changing the brackets a...

[2 replies] Last: @Grime Thank you! That wasn't quite it but it got me to figure out how... (by ThomasJimenez23)

by Enoizat

I cannot understand random generated value: why infinity?

Example code: #include <chrono> #include <cmath> #include <iomanip> #include <iostream> #include <limits> #include <random> // tune the iterations...

[4 replies] Last: Yes, Peter87, you are right, I just didn't want to admit I have proven... (by Enoizat)

by JMJAtlanta

using std::function in a library

I am attempting to use a std::function that SHOULD be in a library, but it does not seem to work. I then dumbed it down to just attempting to link 2 object fi...

[3 replies] Last: Thank you! I will read up on extern. I always had the impression it ... (by JMJAtlanta)

by calioranged

Only Accept Numeric Character in std::cin

If for example '32a' was accidentally entered instead of '32', I want the program to reject this and ask for the input again, instead of accepting the '32' part...

[13 replies] Last: Duthomhas said See the trick there on lines 11 and 14? Use a st... (by calioranged)

by mfatihkoseoglu

How can I read .txt files in directory with c++?

Hi, i want to read txt files in a directory and after, ı want to put these files into a list. How can I?

[2 replies] Last: Probably something like this: #include <filesystem> #include <iostr... (by Enoizat)

by jesi

How to get day = dayweek

i'm a newbie and i don't know how to get day = dayweek, #include <iostream> using namespace std; string dayweek(int daynum) { string dayname; ...

[3 replies] Last: Hello jesi, In addition to what Grime has said. You will never reach ... (by Handy Andy)

by toth108

Object value is not saving as it is passed through classes

I am working on creating a Game of Life in C++ for my Data Structures course. I've been stuck on this for a few days and am officially stumped. I am having trou...

[5 replies] Last: Inside UerIO::Config(), you can access class members h and w by just r... (by dhayden)

by EarlyProgrammer

Exporting a cipher from a text file.

I seem to be having a problem with this program I am coding. I understand what to do in context, I just am unaware of how to output it in code. What I am try...

[2 replies] Last: Hello MrPolynomial, PLEASE ALWAYS USE CODE TAGS (the <> formatting ... (by Handy Andy)

by cu123

I need help with this please

A t-shirt shop sells shirts that retail for $16. Quantity discounts are given as follow: Number of Shirts Discount 10-20 ...

[5 replies] Last: 42?? where did it come from If Douglas Adams were still alive you co... (by closed account E0p9LyTq)

by Chris26

Help with Arrays

Hello, i wanted to ask something. For example i have an Array called bool Marked from 0-9 and i want to use something like this if(!Marked && Marke...

[3 replies] Last: Depending on quite what logic you are implementing you could use one o... (by lastchance)

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Beginners - March 2019 (Page 23)