General C++ Programming - C++ Forum

Does anybody know the codes for this problem? or does anybody encountered this type of problem? (Check Digit. Credit cards usually have a so-called check digit...

[2 replies] Last: there are 2 ways to do this. you can get the input as a string and cho... (by jonnin)

by hacker9876

Krishna and Containers (1,2)

I am getting time limit exceeded for the following problem.Can anyone optimize my code. Is it because of sorting i am getting TLE or is there any other reason ...

[22 replies] Last: 'check in array after sort' why are you still sorting? We took that ... (by jonnin)

by UnrulySin

Trying to get Random Array into bubble sort

I am trying to get my Array to work with bubble sort. I have the Array to pick 10 random numbers from 1 - 100. It prints the results, how ever when I go to add ...

[1 reply] : You can't use the assignment operator= to "copy" an array you will nee... (by jlb)

by Jackson33

Operator <<c++ (1,2)

Hi can somebody help me to get rid of the errors? #ifndef ASCIISCREENSOLUTION_MYCODE_CRECTANGLE_H_ #define ASCIISCREENSOLUTION_MYCODE_CRECTANGLE_H_ ...

[31 replies] Last: Somebody there ? (by Jackson33)

by JuliusCaesar

Function Templates gcc error shadow parameter

Hey guys, i am trying to work with function parameters. However once i pass 1 argument template<class F> void bar(int test, int te...

[4 replies] Last: As tpb said, F isn't a function, it's the name of an arbitrary class (... (by Ganado)

by nikita00

Codechef Long Contest Problem

problem link : https://www.codechef.com/JULY18B/problems/EQUILIBR i didnt get from the editorial will someone please explain with examples.!

[3 replies] Last: @nikita Think for closed polygon (by ghostrideriit)

by Delgeo

Is it really worth learning C++ When C ....

Hi everyone.. I studied C++ a little a college (Didn't get to complete my exam 20+ years ago though: i was young and thought i knew it all - so i was also dumb ...

[4 replies] Last: Thank you, that has helped clarify my questions regarding the two. I... (by Delgeo)

by adam2016

c++ compilation assembly or not?

Hi guys reading from this article https://stackoverflow.com/questions/6264249/how-does-the-compilation-linking-process-work it says you're c++ source code...

[3 replies] Last: thanks guys,and very good point never looked at it that why before, t... (by adam2016)

by adam2016

template classes vs instantiation?

Hi guys I am reading this topic and in the diagram it shows a template class in blue and below a instantiation in green just wondering what is the difference...

[7 replies] Last: extern template class declares (but doesn't define) an explicit inst... (by mbozzi)

by K2411

writing a dll with already defined variables\functions

Hello I am working with simulation software written in C++ and I need some help. I created a DLL file and linked it to my original code. now I need to ...

[1 reply] : This sounds like a 'stop coding' moment. Put it down, go get a sheet ... (by jonnin)

by aozuna1

Help - Inputing data from file to Arrays

write a c++ program that read from a datafile 10 records. The records consist of: Employee Name (array of 10) Employee Wages (array of 10) Employee Hours ...

[1 reply] : string name ; You can't declare the size of an array with just anoth... (by Thomas1965)

by hansenh4

Variable or Field Declared Void

So I have been writing a program for a bank recording project and when I get to line 23 I get the following error "variable or field 'modify' declared void". I ...

[3 replies] Last: "variable or field 'modify' declared void" void modify; Currently... (by Ganado)

by adam2016

Linux vs Windows programming

Hello guys I have a pretty complicated question I guess but I need to know how this all works,sorry if this post is long, anyway so I have been programming on ...

[2 replies] Last: Thanks Jonnin, that makes sense :) (by adam2016)

by gopinathpc

protected

I am trying to make a small change to the original tree.h : Here's the original tree.h class Tree { private: struct Node { int i; Node* left,...

[5 replies] Last: lol I didn't even see that. Good catch, my bad gopinathpc . (by Ganado)

by zerefwizard

Having trouble with this logic

string password; string input = ""; int pass = 0; while (true) { cout << "Enter your Password: "; getline(cin, input); cin >> password; stringstream my...

[2 replies] Last: Thank you dhayden but sorry because I'm just bad :( that moment it is ... (by zerefwizard)

by nikita00

Codechef Long Contest

problem link : https://www.codechef.com/JULY18B/problems/NSA/ even after reading the editorial i am not able to get what actually we are doing so please coul...

[3 replies] Last: Stav, I think your explanation has one small problem. Rule #3 for the ... (by dhayden)

by Djmax444

CurlPP SSL Issues

Hi All! So I have been working with CurlPP lately and when trying to connect to a site with HTTPS I get: "SSL Certificate problem: unable to get local issuer ...

[no replies]

by closed account GvMfLyTq

menu driven app

can someone help me to find my error in my menu driven app?? #include <iostream> #include<iomanip> #include<cmath> using namespace std; //Function ...

[1 reply] : What error? Why aren't you giving us all the information that would h... (by MikeyBoy)

by hassanAman

Dragging Objects in 2d

How can we drag an object in 2d space with a mouse with the given coordinates: top left of window = (0, 0) top right of window = (window.width, 0) bottom l...

[6 replies] Last: Well one way you could do it (and this may be a bit advanced as it req... (by Uk Marine)

by BeaumontIII

SNES Megaman X Opening

Windows 7/Dev C++ 5.11 I'm working on an opening for games/programs that will run in the command window and I'm basing it off the Super Nintendo Entertainmen...

[1 reply] : Let's take this in stages. First, use an array to declare what you wa... (by gaxio)

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General C++ Programming - July 2018 (Page 3)