Beginners - C++ Forum - September 2020

by HanibalBarka

Help

How do I write the following program? If we have the variable a and b (condition that the variables ...

Sep 30, 2020 at 9:05pm

[6 replies] Last: That was really close Ganado. #include <iostream> #include <string> ... (by Manga)

by noahk81

Barcode reading for invalid inputs

I am currently writing a program for converting zip codes to barcodes. One requirement for the progr...

Sep 30, 2020 at 5:33pm

[4 replies] Last: I am not sure how it is working for yo when you are missing the heade... (by MikeyBoy)

by FanOfThe49ers

Expected primary expression before int error

Hello all, my program is just about done, but i'm receiving an error trying to call my binary search...

Sep 30, 2020 at 4:44pm

[5 replies] Last: Thank you! The bottom one worked (by FanOfThe49ers)

by jadams0904

Help please

Hello all, I am needing to set this up for class and I can not figure out where I went wrong. No m...

Sep 30, 2020 at 4:05pm

[8 replies] Last: Thanks all for the input. Heres what I fixed now. And it works. My pro... (by jadams0904)

by FanOfThe49ers

Why won't my selection sort, sort the code

My code is remaining unsorted when i run the program? Also where would i prompt the user to choose a...

Sep 30, 2020 at 2:52pm

[5 replies] Last: Your original code works find if you (1) actually call selectionSort; ... (by dhayden)

by noahk81

Unused variable issue

Hi, I am currently writing a program for converting zip codes to bar codes. When attempting to compi...

Sep 30, 2020 at 1:25pm

[1 reply] : if(sum > 0) { checkDigit = getCheckDigitValue(su... (by Ganado)

by Cacaceze

What are the best [free]resources to learn C++ particularly for quantitative finance?

What are the best free, online resources to learn C++ for quant finance? The course by quantnet seem...

Sep 30, 2020 at 11:24am

[no replies]

by Struglling84

What's wrong with my program? (Basic C++ Do While)

I'm currently doing an assignment for C++ (Beginners Class) and can't seem to get my program to succ...

Sep 30, 2020 at 10:49am

[6 replies] Last: Build builds the solution using files as specified by the Solution Exp... (by seeplus)

by Leonardo797

getting accurate numbers

QUESTION: so I have the code except the results are not accurate, I tried double and float Here i...

Sep 30, 2020 at 6:59am

[2 replies] Last: thanks salem! nice toys! (by Leonardo797)

by hnflrt

Why do i get this error?

The error i get cannot convert 'std::vector<double> to double in return at return aboveAverage; li...

Sep 30, 2020 at 5:14am

[6 replies] Last: Declare a new vector at the start of the function; something like vec... (by lastchance)

by closed account 3TRjvCM9

BMI calculator

Write your question here. Hi, I have to write a program who calculates the BMI for a male or fem...

Sep 30, 2020 at 3:20am

[4 replies] Last: Also, if not already mentioned, the type of geslacht should be int, no... (by againtry)

by DonnaPin

array / vector

Hi, I am trying to practice some c++ problems and someone suggested leetcode, which I am failing mis...

Sep 29, 2020 at 10:02pm

[6 replies] Last: Same program with some more standard library: #include <iostream> #in... (by keskiverto)

by Tsunami

Setfill and repeat

I am working on a lab and my code works with no errors. The problem is, she wants setfill used for d...

Sep 29, 2020 at 9:05pm

[4 replies] Last: Hello Tsunami, Now that I have had the chance to work with all the co... (by Handy Andy)

by FanOfThe49ers

function-definition is not allowed here before '{'.

Why am i getting this error if i clearly stated it before main? (located by comment that says perfor...

Sep 29, 2020 at 5:50pm

[13 replies] Last: Okay got it, the better you become the better it should be organized a... (by FanOfThe49ers)

by Fahim Fuad

a BUG!!

The code explains it all, I have a variable in my main function, I want to increment it via a functi...

Sep 29, 2020 at 4:13pm

[10 replies] Last: In C++ by default all arguments are passed by value . This means that... (by seeplus)

by Shervan360

Size of Char in C++

Hello, Could you please explain this? Thanks #include<iostream> using namespace std; ...

Sep 29, 2020 at 1:28pm

[8 replies] Last: Reading a book about C isn't particularly helpful, unless you're going... (by kbw)

by alix

How to delete an object from heap allocated array

I am a beginner, and I want to delete an item from an array, non-STL. This doesn't seem possible? ...

Sep 29, 2020 at 1:13pm

[6 replies] Last: Object* o = new Object ; `o ' is an `Object', it is not a pointer ... (by ne555)

by alix

Adding Range Based Support to Class

I am trying to fix, so that range-based for loops are supported with my custom class. I am also tryi...

Sep 29, 2020 at 12:35pm

[9 replies] Last: If a non-pointer if returned then they are needed. They are needed in... (by coder777)

by Grime

(0 < size_t(0) - 1) is true

I came across this while writing code that resembles this: std::vector<int> nums; for (int ...

Sep 29, 2020 at 5:35am

[13 replies] Last: Thanks (by Grime)

by dribsanddrabs

Using an ABC object as a class member

Hi I'd like to write a class which has a member variable which is an object of a type which inherit...

Sep 28, 2020 at 8:30pm

[1 reply] : If you want to use polymorphism, you would have getSOM() be a virtual ... (by Ganado)

Beginners - September 2020

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