[c++] Forum Topics

I am working on a program that will have the user input two numbers ....the program then adds them together and prints out the sum.....the program is to then ask if you want to continue...the user is to type in y or n....how do i go about having the program …

could someone please show me how i would be able to reverse the printout of a linked list?, i have gotten it to print out in the right order but not sure how to make to printout in reverse. here is my current code, [CODE] void print(node*& head) { node* …

[code=cplusplus] #include<stdio.h> #include<math.h> #define max 100 double f(double y); int k, i; double y[max]; double x[max]; void copyarray(double[], double[]); main() { FILE *file; double h, x, y; printf("this program does a first order ODE for dy/dx=-y+1 with initial condition of y(0)=0 from x=0 to x=0.9\n"); printf("input the step size (h>0):\n"); …

Hello, Does anybody know how to write a command to generate a random array (let's say with 100 numbers) that contains numbers from a function that goes like y = x exp (2.5). where the range of x is given. I hope that my question is understandable :-) Thank you,

Ok, so I'm trying to prove to my teacher that Div and Mod isn't always the best way to solve things. So i created this tiny program, held entirely in main.cpp : [CODE=cplusplus] //Project: Mod_Efficiency //Author : Kyle Wesley //Descrip: This was made to prove that mod/div operations are often …

I am writing a small program in C++ and I need some help. [code] #include "iostream" #include "string.h" using namespace std; void main(){ string sman; cout << "Are you there? \n \n"; cin >> sman; if(sman == "yes" || sman == "Yes"){ cout << "Screw that! \n \n"; main(); } …

I have a listBox control [I](Not listView1 as written in the Subject). [/I] I am searching for an event for this control that can notice if an item is either added or removed. I tried "ControlAdded", "ControlRemoved" but this did not seem to be the one. I am not sure …

Im calling a function in a 3rd party dll. Somewhere down the line it hits an access violation (0xC0000005). I wrapped the call in a try/catch but it never catches and the runtime pops up the old Unhandled Exception. This call is several calls deep in my code so I …

Ok let's say I have a text file: [code] (0,0) = 1.0 (0,1) = 2.0 (0,2) = 3.0 (1,0) = g (1,2) = 2.0 (2,2) = hi there (2,[COLOR="Red"]8[/COLOR]) = ee (5,4) = e (10,1) = g [/code] Where the each part of the line is delimited by a tab. …

I have to convert this into OOP style. How will I start? [code=C++] #include<stdio.h> #include<stdlib.h> #include<string.h> #include<conio.h> #include<ctype.h> #include<dos.h> #include<graphics.h> #define true 1 #define false 0 void disp(); void printmenu(); void intro(); void levelmenu(); void easy(); void initial(int x); void draw(int x, int y, int i); void userwin(int no); int …

hello guys i got a simple project but not that simple at the same time. lol The user needs to input a number such as : 512 and the code needs to output the number but in letters(five hundread and twelve). Any tips? :)

Hi, this might be a quick question, if anyone "just knows" the answers. I want to know a little about the differences between lists and vectors. For example, I think that the elements of a vector are stored in continuous blocks of memory (Maybe?) Are lists stored the same way, …

Hey, Im having some trouble with linked lists, I have been givin a task where I am asked to crreate a linked list which reads in a random set of chars from a .txt file and stores them in a linked list, then prints them out in a seperate function. …

I need to code a linked binary min heap.Everywhere I go its an array based min heap..can someone direct me to some pseudocode for a linked min heap? Thanks for any help

Hello, I would like to know what you think about using XML files in order to exchange informations between different processes. I know this may not be the fastest solution but Il still think It can be very effective. What do you think about that ? Advantages and cons of …

Hey, I was wondering what is the most popular/best network library for free download. I guess I should give my situation, as that might decide which is best for me. Basically, I want the ability for 2 or more players on different computers, on the same LAN, to be able …

Hello All. I am currently working on a project that introduces us to recursion and was needing some help with my program. This is early code so i know many things aren't correct. [code] #include <iostream> #include <fstream> using namespace std; int str_length(const char[] str); int str_compare(const char[] str1, const …

Hello everyone, Could you please explain to me how to write the user defined functions with multiple arguments? (specifically with 2 or 3 input arguments). And also, how to make one function to manipulate different data each time it is called? (for example area of bigger circle minus area of …

Can someone help me on how to write the program? The details i already upload.See the attachment.The due date is tomorrow,i hope someone can help me.Thanks!

Hi everyone. I have a homework assignment to create a program with a sales reciept. I have done pretty good so far but my only problem is I cant figure out why the cash interger isnt working. The code is suppose to subtract the cash recieved from the customer which …

I have not been able to obtain an answer to this question anywhere (including here) so I’ll ask it again. I can understand that folks don’t want to wade through hundreds of lines of code looking for someone else’s bug, so I’ve worked very hard to produce the very smallest …

could anybody tell me how to sum the sequence given using loops instead of using any other function of c++? 1 + 1/1! + 1/2! + 1/3! + .....1/n!

Hello (sorry if i break any rules on post format first time on daniweb)Have a project to make a binary to hex,Dec,octal. Now i found this code here [url]http://www.daniweb.com/forums/post598839.html#post598839[/url] and made a few changes to it but i am not familiar with a few of the parts and some help …

I am trying to write some cd details to a file, from a queue. First i have taken all details from keyboard to a Queue and the made to write all those to a file in ascii format. Each queue has details like CD ID, film Name, film language, film …

Hi there, i have some problems with lists and structs (or perhaps pointers in general) I am sorry if this was already discussed, but I really spend some time searching, but I am pretty new to programming and I did not find anything. I need to use a list of …

I am trying to make a priority queue with a specific type class 'alumnos'. I create 3 new classes (new, medium, old) who inherit from it. Then I insert the classe into de queue. I would like to use polymorphism when extracting to use the correct function 'verificarEdad' but gives …

I am working on an assignment for class and cannot for the life of me figure out how to use letters to choose a case for a switch statement. Here is my code [CODE=CPP]#include <iostream> #include <cctype> #include <cstdlib> using namespace std; // prototypes void showMenu(); int getVowels(char*, int*, int); …

I am attempting to read a text file. [CODE] ifstream indata; indata.open(filename); if(!indata) { // file couldn't be opened } else { // file opened } // keep reading until end-of-file string data; while (getline(indata, data)) { //this is where i want to store values } indata.close();[/CODE] I want to …

Hello all, I am trying to create C++ DLLs with functions that I can call from matlab. From Matlab, I can call "loadlibrary" w/o a problem but when I want to view the functions using "libfunctions" MATLAB says "No methods for class lib.C:\Sam\MathFuncsDll\debug\MathFuncsDll or no class lib.C:\Sam\MathFuncsDll\debug\MathFuncsDll." I am using …

someone help me make a program about this triangle....... * * * * * _ * * * * _ _ * * * _ _ _ * * _ _ _ _ * can someone show me the code for this program using "FOR LOOPS" please..... thanks.....