General C++ Programming - C++ Forum

by paul5345

Struggling to implement doubly linked list .h file(especiallucopy constructor and delete function)

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[2 replies] Last: You can simplify this by writing a few utility methods. coder777 alre... (by dhayden)

by edge6768

Default arguments in constructor

Hi all, I'm using default arguments in a non-default ctor to mimic the default ctor: #ifndef MYCLO...

[5 replies] Last: A default constructor is a constructor with no arguments, or a constru... (by mbozzi)

by ssoffel

C++ 11 Generic Lambda

Error: parameter declared auto Error: Months was not declared in this scope I can not figure out...

[5 replies] Last: #include <iostream> #include <map> #include <algorithm> int main() {... (by JLBorges)

by ff210327

Issue error checking user input

I am having an issue with the "while" statement that checks the users input and verifies it's not a ...

[2 replies] Last: Oh!! I see it now... Thank you! (by ff210327)

by F95

Need help with linked list code for airline reservation

Need help writing a program for an airline reservation system that inputs and outputs the first name...

[8 replies] Last: Thanks. Everything works now. This is what the instructor was looking ... (by F95)

by krzysztof176

Threads: segmentation fault

Hey guys I am having issues with threads. I am trying to make a thread for my downloader funct...

[no replies]

by whyMUSTi

C++ to Raptor flowchart

Does anyone know how to put a C++ program in Raptor form? Here is my program: #include <iostre...

[no replies]

by tushu

Detection of Cycle in graph ( wrong output )

int main() { char line ; int N = 5; vector<int>adj ; FILE *in = fopen("test.txt", "r"); f...

[4 replies] Last: You just focus on isCycle() function. Rest will be right as I have te... (by doug4)

by Jonas25

Library for graphical visualization

There are a lot of libraries for graphical applications, unfortunately most of them go into game dev...

[2 replies] Last: what exactly do you want to draw? For debugging, can you rig your cod... (by jonnin)

by NeonNovel

Printing a number in reverse

Hi everyone. I was given an assignment to convert a decimal into a binary. Here is my code below, it...

[7 replies] Last: I have to admit, I wasn't expecting this many solutions. Don't know ho... (by NeonNovel)

by dariodem

Generate multidimensional vector on demand.

Hello people, Can I generate a vector whose dimensionality is defined in runtime? That is: ve...

[9 replies] Last: I would favour factoring the code into two separate functions: 1. mak... (by dariodem)

by ohsimplyme

Confused

I've hit a roadblock and I'm not sure how to proceed, I'm writing a code that reads in a file of nam...

[1 reply] : 98: n.insert(-1, 0); You can't insert anything with an negative inde... (by Thomas1965)

by helios

Random tree pick

Is it possible to pick a random element from an std::set/std::map in O(log n)? It's acceptable if so...

[4 replies] Last: No, a random pick returns an iterator into the container without modif... (by helios)

by mrphilipp7

calendar dates

I have to write a program that will list each month of the year and the day of the week that the mon...

[2 replies] Last: Give each day of the year a day number from 1-365 or 1-366 for leap ye... (by closed account 48T7M4Gy)

by merish5

Need some help - stuck!!!

Hi guys! Trying to build a program for my assignment: Program needs to estimate the number of boxes...

[2 replies] Last: Thank you for your time! I formatted my post so it is easier to read a... (by merish5)

by jailabg

Need help with this homework :(

#include<iostream> #include "qqq.h" #include <string.h> #include <math.h> using namespace std; ...

[1 reply] : > In function 'void translate(char*,char*)': > 't' undeclared (first u... (by ne555)

by krzysztof176

Threads passing an array as an argument

In my main function I am trying to make a thread and pass down a string a array to it by doing this ...

[5 replies] Last: Thank you guys I fixed my mistake. This was my first time posting and ... (by krzysztof176)

by DragonOsman

Draw an Equilateral Triangle using FLTK (indirectly) (1,2)

I'm doing an exercise in my C++ intro book where I have to draw a series of regular polygons, one in...

[23 replies] Last: I tried it. The "square" is still coming out as a diamond and one or ... (by integralfx)

by mohamedeltair

reading whole text file into one string ?

how to do this (whole text file by its spaces, tabs, new lines)

[2 replies] Last: thanks (by mohamedeltair)

by daytooner

template for multiple functions with varying arg list

I know C very well, and C++ fairly well. Although - with the latter - I never really had a need to u...

[6 replies] Last: By "generic code" I mean "code which accepts any type which meets a pa... (by mbozzi)

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