General C++ Programming - C++ Forum

Random.cpp // // // // Random1.cpp // // #include "Random1.h" #include <cstdlib> #include <cmath> #if !defined(_MSC_VER...

[5 replies] Last: In Barrier.option.cpp in //method definition double BarrierOption::ari... (by JohnMyer87)

by fredvs

Pascal header into c header ?

Hello. I have developed a audio library uos (United Openlib of Sound) : https://github.com/fredvs/uoslib That library link the best open-source libraries :...

[no replies]

by Yours3lf

calling derived using base* with base* as parameter (1,2)

hi, what I'm doing is: #include <iostream> using namespace std; class base; class a_derived; class b_derived; class base { public: void f( base* p ){ p-...

[30 replies] Last: [quote=Disch]Also... how do you call addDispatch without a central lis... (by LB)

by toomanystars

Classes, dynamic memory, destructor + returning class object problem

Hi guys, Here is a code snippet... class Matrix{ public: Matrix(int the_h, int the_w){ h=the_h; w=the_w; matrix=new float* ; for(int...

[2 replies] Last: Hi mutexe, Thanks for the sources, I will check them out and see if ... (by toomanystars)

by praneshiitm

use of fprintf

i have two variables which are arrays and want them to be written below the other once all the values of one variable is written . how can i do that using fprin...

[1 reply] : int main() { FILE *myfile = fopen("file.txt", "w+"); int arr... (by Smac89)

by northfly

Can anyone give a link to the c++ primer 5th source code?

Thanks.

[2 replies] Last: Thanks! (by northfly)

by RickBlacker

A couple syntax questions

Reading a chapter in Bjarne Stroustrup's book The C++ Programming Language. Not reading it page by page, rather skipping around and currently looking at the IO...

[3 replies] Last: Thanks guys! (by RickBlacker)

by sgk

Linked List

Hi! everyone , I have created a little code to implement the linked list ,everything works fine but it is creating one exta node everytime a run this program ,...

[1 reply] : The extra node you're seeing is the initial empty node you create when... (by kbw)

by ayush92

need code for this program

how to recognize the occurences of different alphabets in a string and print the occurences of each alphabet in string..

[1 reply] : how to recognize the occurences of different alphabets in a string an... (by kbw)

by mzabutnyy

How to convert a word a full word to uppercase if it is lowercase in a string

The problem I am facing is that I have to output the C++ input file and display every line of code in the output, except in the output I have to convert every i...

[1 reply] : The simplest way would be to do a find and replace operation on a copy... (by Computergeek01)

by Arkadeep

Write a program to store marks obtained by 50 students.

Q.1 Write a program to store marks obtained by 50 students. Initialise the array having passed to a function initilise() having passed the array as parameter. W...

[1 reply] : You have to declare variables before you try to use them OP. I don't e... (by Computergeek01)

by csullsun

Need help with circular doubly linked list code

When I run this in main it gives me a windows error message and I can't figure out whats wrong..please help! I believe it has something to do with my insertAtEn...

[3 replies] Last: @csullsun:write your code using when your posting. ... (by jasongog)

by jumper007

Dijkstra's Algorithm - Adjacency Lists

So I have been trying to implement the Dijkstra Algorithm for shortest path in a directed graph using adjacency lists, but for I don't know what reason, it does...

[3 replies] Last: Yes, that's it, thank you very much sir. That was the problem. :) Ins... (by jumper007)

by hossii

get int out of string with spaces

How can I extract the number out of the string: string my_sting = "item code = 9"; I want to get the '9' out of the string and store it in a separate in...

[1 reply] : If you are using a C++11 compiler and the regex library is available... (by Catfish666)

by closed account SEvUpfjN

Help with a fizz buzz program?

Hey everyone! So i'm trying to make a fizz buzz program that looks like this: You have two items, a FIZZ and a BUZZ. Each item has a value and a weight. In ...

[2 replies] Last: Anyone who uses the code above will fail the course for which you are ... (by closed account SEvUpfjN)

by wazabyz

C++ Temp or Local variable warning

Hi guys some problem here: here is my overloaded operator : const double & Waz::operator()(int i,int j) const { return ((WazImpl const)(*p))(i,j); } W...

[2 replies] Last: in what line do you have that warning? Maybe in the WazImpl operator ... (by fcantoro)

by gremio

access violation vector

Hi, I am trying to manipulate a vector of vector<bool>. For some reason, the vector's reference seems to get lost at some point. When I try to access the ele...

[2 replies] Last: Oups....... thanks for pointing it out! (by gremio)

by manish1991

Basic Calculator program help!!

Hi guys. I am new to C++ and am trying to learn the language. I have had a go at designing and creating a basic calculator program however a bit stuck. ...

[5 replies] Last: First, your code is a good effort for a beginner :+) , so well done! ... (by TheIdeasMan)

by zak100

Problem with Animation

Hi, I have written a code to perform animation using Visual Studio 2008. It has got mountains, a road and a car. The car has to travel on the road. But when i ...

[2 replies] Last: Hi, Somebody plz help me with this problem. Zulfi. (by zak100)

by Irishguy95

C++ Pointer question

Hello, I started pointers last week in college. I'll get straight to my problem Edit - Adding main() just in case int main() { Person myobject; myob...

[2 replies] Last: You are a god among this earth! thank you! (by Irishguy95)

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General C++ Programming - February 2014