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Beginners - April 2021 (Page 10)

Hello, I'm having trouble with my array assignment. The instructions are Create a integer type two-dimensional array of 4 rows and 3 columns Populate the two-di...

[10 replies] Last: Sorry for the late reply but thank you for teaching me about uniform i... (by av16352)

by closed account E3b5y60M

Need help with a "general" if statement c++

okay, so basically i want to make something like this: Say i have an if statement with a string like this: getline (cin, string); if (string == "hello my name ...

[2 replies] Last: Prefix and suffix of string are relatively easy with substr(): http://... (by keskiverto)

by rezy3312

Store backroom

Hello guys i am trying to build a "grocery backroom" here is where i want the user to enter an item and store it in one of the aisles in the back. So for instan...

[5 replies] Last: Hello rezy3312, When I got the program to run I tried this: ------... (by Handy Andy)

by MaxGreen

list

help me understand how to add, multiply or make any other simple math. operations with lists STL. elements Sum=list +list1 ...listN list <int> L(7); ...

[3 replies] Last: Or possibly like this: #include <list> #include <iostream> #include... (by seeplus)

by iamdevastated

Find data from file and assigning to struct members

Hi guys, I need some insight on my code here, So I have a file that have the following stored: username password name mobile ic In this part of my code...

[12 replies] Last: That would be the easiest - assuming that mobile and ic also don't con... (by seeplus)

by malibuwiley

Header Files and Private Variable Usage

Hello! I'm trying to create a header file for my upcoming project. This is my first time actually using classes so I'm not quite clear on all the do's and don't...

[8 replies] Last: R L86 L89 above, == is equality test, = is assignment. Also pass strin... (by seeplus)

by Reddevil1003

operator overloading, and some other basic stuff

i am doing an exercise - a library software, which takes book names, ISBN in form n-n-n-x where n is integer and x is integer or letter and other details. 1.h...

[5 replies] Last: @AbstractionAnon thanks . I fixed the points u mentioned except line 1... (by Reddevil1003)

by Day532

Permutation in c++

Hello there all, I am new to c++. Be that as it may, chipped away at python. Need to change over the python code bit to c++. Instructions to mimic the python ...

[1 reply] : http://www.cplusplus.com/reference/algorithm/next_permutation/ (by lastchance)

by empleat

For loop prints 0, after i++ increment expression!

How come: it prints value 0 for i, if based on definition of for loop, i++ will increase i from 0 to 1, before loop beings??? I cite: "Like the while-loop, thi...

[9 replies] Last: What do you mean, "outdated"? The explanation you pasted there is corr... (by helios)

by mar1972

Using C++, write a class BooksInfo

Using C++, write a class BooksInfo which has the following attributes: Book_Title, Book_author(s), Book_publisher, noOfCopies, ISBN, price, and Publication_Year...

[14 replies] Last: Hello mar1972, Using C++, write a class BooksInfo which has the fol... (by Handy Andy)

by domweng

Enum help

So I'm just doing a simple code to show use of enumerations in a code of our choice. I kind of understand how they work and I'm just doing a simple code where y...

[2 replies] Last: #include <iostream> #include <string> #include <limits> enum weekDa... (by seeplus)

by rezy3312

password hint

Hey guys im wrting a code but ran into a problem, i am asking the user to enter the password that is random from an array. For example if the hint of the passwo...

[5 replies] Last: yes but i wanted to compare 2 arrays with the same that way i just add... (by rezy3312)

by nickmcp11

Average array

Let me preface this, im a noob in an intro level c++ class. Here is the problem Create a 2-D double array with 5 rows and 4 columns. Each row should ...

[11 replies] Last: what I'm still not understanding is how to call the variables in the ... (by dhayden)

by lastchance

Small 'Matrix' Game

Appears that the original owner has done a bunk. If you don't supply runnable code then people can't reproduce your problem. You had better decide whether p...

[4 replies] Last: The code uses a variable called line - which isn't defined! eg if (li... (by seeplus)

by suslucoder

How can i clean my messy code

Hi everyone. Im a newbie, because of that i apolige. I have a messy code. I want to clean it and want it shorter. How can i do it? if(item->parent() == g...

[5 replies] Last: When one replies to a thread it appears at (is "bumped") to the top of... (by mbozzi)

by panconcafe

Dynamic Array

Hello I'm getting an error in the implementation of my push back function to append values to a dynamic array of floating points type double The function shoul...

[6 replies] Last: Makes sense! Thank you! (by panconcafe)

by Kallinteris Andreas

make member variable immutable after constractor

In other langs like Java there are keywords like 'final' where a member variable suffixed by 'final' is immutable after the construction of the object I know ...

[9 replies] Last: No. A variable can only be set as const when it is defined. You can't... (by seeplus)

by nickmcp11

Array with copy

Hi guys happy easter, This is what I am trying to accomplish Create a 5-element array Initialize the array with 1, 2, 3, 4, 5 Print the contents Create...

[3 replies] Last: #include <iostream> #include <valarray> using namespace std; templat... (by lastchance)

by VoidWalker

Resize function in STL Vector

When I searching for resize function of the STL Vector, I find some of the words says that this function may change or delete some members in my vector or add s...

[4 replies] Last: Thanks for reply. (by VoidWalker)

by samzavax

if control statement

hey, I am working on project and I want to make the person choose and enter what he like to see and eat during movies the problem that it stops after I enter "...

[6 replies] Last: You don't need braces in case statements for most uses. Only when a v... (by deleted account xyzzy)

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