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General C++ Programming - November 2015 (Page 13)

I am a beginner at C++ but this is a lab we have to do and I have no idea what libraries, algorithms, process on how to start this exercise, etc. Please help. ...

[1 reply] : I would Start with this: #include <iostream> #include <string> using... (by jasonwynn10)

by binary3926

Vector - Expression must have class type

Hello, I am receiving an error: "Expression must have class type". I am supposed to "Create a table which is a vector of 'Essay', which is dynamically created...

[7 replies] Last: For those that might look at this later, below is the correct implemen... (by binary3926)

by mitch12345

Unsure how to start a program...

Here is the code description: Consider the following function, f(n) = 3n + 1, if n is odd ; and f(n) = n/2, if n is even Use a random number genera...

[6 replies] Last: no problem. If you need any more help, just post it here. (by jasonwynn10)

by mercedemodenesi

Error on my code

I have this error in Visual Studio Error 2 error C2447: '{' : missing function header (old-style formal list?) And this is my code ---------------------- MAI...

[1 reply] : > Because it says it is in line 3 in main.cpp. that is not what you've... (by ne555)

by AlkieDropout

AutoNumber edit

I'm wondering if you can help me. I'm trying to write a new interface to an old system written in VB so I'm starting again in C++. I have however hit a snag...

[4 replies] Last: The problem is the old programmer uses the ID as the RMA number so it ... (by AlkieDropout)

by Sanfoor

compute pi value using monte carlo method multithreading

I am trying to find value of PI using montecarlo method, and using parallel C code. i have write serail code and works fine. But the parallel code gives me wro...

[1 reply] : Your threads doesn't return a defined value. See pthread_exit(3) .... (by tcs)

by froobymcdooby

Virtual inheritance, constructing the base class

Hey, all. I'm new here, and I hope to be able to contribute a lot. I'm writing a game engine. It DOESN'T look like this. (But this is a pretty good bare bones ...

[2 replies] Last: The most derived class? Even if a less derived class already initial... (by froobymcdooby)

by Akroncs

Quick Help Needed! Lo Shu Magic Square

So I need to create a "magic square" that is to say that every row pillar and diagonal add up to the same number here is what I have to find the grid using a...

[no replies]

by homing

how to check if c++ 11 move worked on rvalues

Hey, Whats the best way to check if a rvalue really got moved and not copied? check/debug the move constructors?

[2 replies] Last: Another option: instrument the code #include <iostream> #include <st... (by JLBorges)

by TarikNeaj

Ray Tracing - Finding the Normal of an OBB (Oriented Bounding Box)

Hello Everyone. I've been taking a 3D programming class for a while now ,and our first assignment was ray tracing. TO cut it short, Im done with all of the ...

[5 replies] Last: Assumptions might be correct! Ah, it was the "close to 0" that got me... (by AceMice)

by xdhx12345

Calculations help

Hello, this program takes input from a text file and displays the lowest temperature being the first column, highest temp second column and rain value third. MY...

[3 replies] Last: Ah yes, I tried setting minimumlow and minimum high to a value of zero... (by xdhx12345)

by likertuban

weird struct size

i have quite a bit of confusion right now, i have a struct like this (the purpose is for reading a binary data, and this is not full struct, just part of it wh...

[8 replies] Last: #include <iostream> #include <cstddef> #include <type_traits> #includ... (by JLBorges)

by YaronCT

Maximum line length

Hi, We're several ppl working on a project, and have a dispute about what the maximum line length should be in C++ files in our project. What do u think?

[1 reply] : I think you're bike shedding. (by Lachlan Easton)

by flynryan53

help with morse decode program

hi im writing a program to decode a morse code message. my program compiles without any error but nothing happens when i enter my code to be decoded. i think th...

[4 replies] Last: ok so my int main should look like: int main() {vector<string> mess... (by flynryan53)

by galaxylfc

Lowest score drop

I need help with my assignment. I'm supposed to enter 5 test scores. Then, it is supposed to drop the lowest one. Then, it is supposed to average the other 4 te...

[4 replies] Last: @JLBorges We have to use arrays for this assignment. @jasonwynn10 Tha... (by galaxylfc)

by stormhood707

Recursion

Hi I need help writing a program using recursion... Write a program that will test if some string is a palindrome Ask the user to enter a string Pass t...

[1 reply] : I figured out my problem me panicking lol how do i delete this then? (by stormhood707)

by doris09

help cant display list for question # of incorrect answers

#include <iostream> #include <iomanip> using namespace std; int main() { int choice; const int empId = 7; int workers = {5658846, 4520125, 78...

[1 reply] : I can't understand your question, if it is a question. I don't get pai... (by SamuelAdams)

by Bry

please help Calendar- stars around a day

if the user puts choice to equal two i have figured out how to make that month and the proper day show up. Now i cant figure out how to put stars around a certa...

[1 reply] : I'm sorry but I don't want to read unformated code. Please use code t... (by SamuelAdams)

by esolve

where to define and declare non-member function

I have a class Myclass: in Myclass.h file: class{ private: int sd; public: void func(int sd, short op, void *ptr); void start();...

[1 reply] : ptr is probably a context pointer. We want to pass the object addre... (by kbw)

by GaryWalker96

Infix To Postfix Error

For some reason, I'm getting an error message saying: "Debug assertion failed: Deque iterator not dereferencable. I've read that this error means that I'm poppi...

[1 reply] : It's hard to read your code as there is no indentation. Also, it woul... (by kbw)

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