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Beginners - October 2020 (Page 11)

Hello, the code below displays an error, but I can't pinpoint why. Is this due to my use of constants? #include <iostream> #include <string> #include <cstdli...

[2 replies] Last: Change atoi to stoi and you'll be fine. There are null-terminated c-s... (by lastchance)

by syeare

Nested For Loop Help

Hello, I'm having an issue trying to implement nested for loop. I must accept 4 user inputs (range of length and radius) and display a table of calculated value...

[3 replies] Last: ++len is called pre-increment; len++ is called post-increment. Althoug... (by dutch)

by Shervan360

Another extra number - C

Hello, My input as: 2 2 one 3 two 4 But I have to enter another extra number to finish the program. Why? How can I fix it? Thanks #inc...

[2 replies] Last: The issue is with using \n with scanf_s and using fscan_f. Consider: ... (by seeplus)

by MaxGreen

functions

Good day everyone, need your help cause I'm stuck with one task of my HW, I have to write a code in a specific way (using functions) which will count how man...

[6 replies] Last: #dhayden thank you master! I can't understand how I forgot that the v... (by MaxGreen)

by annolliwohe

Optimal value in a 3 dimensional array

Hello I wish to choose the optimal value in a 3 dimensional array is it possible to do it with this program: #include <iostream> #include <algorithm> #inclu...

[18 replies] Last: Hello, ok thanks for the details it's great. (by annolliwohe)

by briancb2004

fstream cout problem

I think I have everything right except can't get it to output correctly I am using ifstream to get First names and sales from a txt file. The output should b...

[4 replies] Last: You don't need the for loop. #include <iostream> #include <string> ... (by seeplus)

by DonnaPin

interface, base class, abstract class?

Hi, I was trying to learn exactly what an interface was, and the site I was on has confused me about something else, that I am hoping someone could please clari...

[2 replies] Last: a class is made abstract by having a virtual function The missing wor... (by coder777)

by ebz

UDP Socket recvfrom fails to receive packet in non-block mode, but when off it works perfectly

I don't have the slightest idea why my UDP server is able to receive packets while the socket's non-block mode is off. If I turn it on so it doesn't block the t...

[4 replies] Last: Hey everybody, my apologies, I didn't know I got replies on this quest... (by ebz)

by ebz

Question about class inheritance

I have a base class that represent my game's scenes: // Base Class class GameScene { public: GameScene(const std::string& name = "Unknown Game Scen...

[2 replies] Last: Ohhh got it, got it. Now I know. Thanks Helios, worked perfectly! (by ebz)

by hbcpp

using concepts instead of SFINAE - Having trouble

I was able(with a lot help from the forum) to implement SFINAE in my std::list implementation. But in that time I couldn't use concepts so now that I can I don...

[9 replies] Last: std::input_iterator is already the concept you're looking for. Both ... (by mbozzi)

by hbcpp

Compiler picking the wrong overloaded function

I am trying to implement std::list. Here is the code stripped to only the part that is causing. Stripped to make reading better to be able to analyze the probl...

[3 replies] Last: One way would be to use cend(). I can do that, but the client code w... (by hbcpp)

by ZontYy

Incrementing the multidimensional array in a loop.

Hello, so I tried to complete one challenge on the internet, and I seem to cannot figure out, how to (or if it's even possible) increment specific space in ...

[4 replies] Last: For a 2-dimensional array of unspecified size, consider: #include <... (by seeplus)

by lost110

Selection Sort Algortithm

Hello! Is the below code fine! I mean the idea of selection sort is that for each value of n, the inner for loop will execute n times, then n-2 times, then n-3 ...

[11 replies] Last: > Hye @dough4 I am just doing the loop analysis here. I am not impleme... (by anup30)

by Ashpipe86

Struggling with the code and very new to programming and C++

Create a flowchart and Pseudocode and create a C++ Program. Prompt the user for salary per year and calculate a Christmas bonus based on number of years worke...

[1 reply] : Duplicate: http://www.cplusplus.com/forum/general/273221/ Please post... (by dhayden)

by briancb2004

Change is always zero?

No matter what I put in for cost of item change comes back as zero? Is there a way to see what value is being passed from first set of code to the second? I hav...

[4 replies] Last: Yes it was from 100 you were correct. Thanks for your assistance. (by briancb2004)

by jax16

allocate memory, arrays

I found this program online, and I wanted to manipulate it some, but can't figure out what to fix, I keep hitting a bump. Here is the code. #include <al...

[6 replies] Last: Because the OP has a habit of deleting their posts after getting a rep... (by MikeyBoy)

by jax16

Make Class, Header and display results

Hello, maybe someone can help me with this.

[4 replies] Last: @jax16 Please do NOT delete your posts after they've been answered. I... (by MikeyBoy)

by aliez

cpp program for shopper how?

Write your question here. Project Overview The owner of a small shop selling books, magazines and movie DVDs wishes to set up a shopping kiosk at MMU....

[2 replies] Last: Hello aliez, This will help in understanding the tags: http://www.cpl... (by Handy Andy)

by Leonardo797

looping & generating strings by user input

I want to generate 3 strings, however, I'm having a problem generating a loop based on the user input of how many times 3 random strings should be generated int...

[14 replies] Last: Hello Leonardo797, Try changing line 86 to outFile << Str << "<br>"... (by Handy Andy)

by Leonardo797

separating two loops a part

EDIT: Please read my last reply, if this is confusing I want to loop each loop by itself, as you can see the first one and the second one will make random St...

[4 replies] Last: Thanks! I also solved it using for (int numStrings = 0; numString... (by Leonardo797)

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