General C++ Programming - C++ Forum

Math Problem/(Buffer coord to screen coords)vice verca

I have a linear buffer coordinate, i am to print onto a screen coordinate. Say maxy = 20, maxx = 10, bufferx = 20, y, x, Buffer coordinates to screen coordinat...

[3 replies] Last: Actually, now this method is no longer relevant. I need a mathematica... (by IndieExe)

by xismn

Inheritance and templates

Hello, I've been racking my brains over how I might go about implementing something like this : class CBase { public : CBase() {} void foo(); //Meth...

[2 replies] Last: Thanks for this! Works as you would expect. (by xismn)

by varuniitb

error:expected ; before } token

#include<iostream> #include<fstream> #include<new> using namespace std; main() { int i,N,C,L,j,k,count; int *p; ifstream filein ("hello.txt"); ...

[5 replies] Last: > Ok then instead of putting break, put continue instead Or just ; As ... (by ne555)

by dathtom

Searching for, and printing values in C++ from a .txt file

So I'm doing a kind of banking system. Atm I've got the user able to create an account and set the balance of it, which is written to a .txt file. However, I wo...

[8 replies] Last: Try fixing the errors I pointed out in my previous post. (by AbstractionAnon)

by closed account 28poGNh0

Icon for folder

hiiiiiiii everyone Is there any function or manner in cpp help us to introduce and icon to a folder thanks a lot

[7 replies] Last: I know that seams wow, I'am just wondring if there is a maner to do so... (by closed account 28poGNh0)

by sieg

Help making a basic calculator.

I'm stuck because I can make the calculator just find but the user will have to press enter after every number, what is s solution to this? #include <iostrea...

[6 replies] Last: I get 101250, using C++ express. (by sieg)

by oudavid1

Accessing Struct Data in a Queue

I have a queue of structs. I would like to access one of the two pieces of data at the front of the queue that each struct maintains. Here is some of my cod...

[8 replies] Last: I think that works. I could have sworn I tried that originally but I m... (by oudavid1)

by ppendless

Find the minimum data of binary tree

I want a recursive function that returns a pointer pointing to the node which has the minimum data in the binary tree. That's what I wrote: struct CP { i...

[8 replies] Last: LOL @ Smac89 It is a basic bstree, other than my 'at-the-time' variab... (by Michaela Elise)

by Inficard

Help with loop statement

Hi, I started programming c++ about a week ago and I have reached a stump in the road. Whenever I run the program in the decompiler it closed automatically. I t...

[4 replies] Last: Thanks, it worked! (by Inficard)

by Carolpp

Optimized Bubble Sort

can anyone help me to optimize this bubble sort program? #include <stdio.h> #include <stdlib.h> #include <assert.h> #include <time.h> #include <cstdlib> ...

[2 replies] Last: I seriocely don't get the need to use sooooo much alocated memory, I m... (by zoran404)

by Mustehssun

Want to understand aggregation, association and composition

Hello, I can't make links how do these three things relate to OOP. Secondly, I can't find enough material on them. I mean, even if you search these terms in wik...

[no replies]

by Joshrocksforeverandever

Why

Why dose this not work? It is just supposed to open the sound file in my my music folder. #include <windows.h> HINSTANCE ShellExecute( _In_opt_ HWND hwnd...

[no replies]

by dwhite914

Solved

Solved

[4 replies] Last: This right here is your problem while (sameAnswer && count < QUESTI... (by zoran404)

by Anmol444

Very confused

In my book Book, Ivor Horton's Beginning Visual C++ 2012 it says that the following is a lvalue reference? const int& refData = 5; Isnt it a rvalue ref...

[10 replies] Last: @cubbi @miinipaa @disch is this a good defination for the difference?... (by Anmol444)

by Kaan

please help

Please write a class of a stack that holds int type values and keeps a LinkedList as its main structure. Please help

[10 replies] Last: Try this, I think it works #include <iostream> using namespace... (by toomanystars)

by frank1234

Input/Output Text File Manipulation issue!

Hi guys; I was wondering if you can tell me why my output screen for this program does not want to stay open. It only opens for a split of a second and it's gon...

[1 reply] : if (!infile) { cout << "Sorry, Can Not Open The File" << endl; exit (... (by MiiNiPaa)

by janebartley

Help With Executing Multiple Functions!

I am fairly new to C++ and am in a Programming I course in school. We have been assigned to create a program that uses multiple functions. The professor has giv...

[1 reply] : line 16 should be: inFile.open(fileName.c_str()); watch those tYpOs... (by Smac89)

by Almrls

Trouble with looping a function

With the following code: #include <iostream> using namespace std; bool key = true; char swit; void cont(char ans) { switch (ans) { case '...

[2 replies] Last: Removing = true worked. Thanks so much. (by Almrls)

by closed account 3UMLy60M

Question about recursion?

Can somebody please explain to me what the output would be if I were to call: m3(5); and also can you explain why? I'm new to C++ and this is confusing me. T...

[3 replies] Last: After posting the question I did run it through a debugger and the out... (by closed account 3UMLy60M)

by rmxhaha

OOP Question

I've been thinking lately with the method I'm using as many people suggest in making a class. Some part of my code look like this : class test_t{ te...

[3 replies] Last: What are you trying to do with it? (by zoran404)

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General C++ Programming - March 2013 (Page 13)