51,592 Topics
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| | I'm doing an assignment for C++. I'm to write a program that will help elementary school students learn multiplication. Use rand() to produce two integers between +10 and -10 inclusive. The program should then use those numbers to output the question. So far I haven't put the functions in, i'm … |
| | so far I ask user for number of terms : [code=c++] cout<<"Enter the number of therms in the array \n\n"; cin>>x; for(i=0; i<x; i++) { cin>>arr[i]; } [/code] But It looks preety non-user friendly, I wanna input it just like we enter a string. We the user should hit shift … |
| | i want do this pro that looks like phone index but i have problems and i dunno how to fix this its console application - c++ source file plz help me quikly [CODE]#include<iostream.h> void main() { char names[10],n; double tel[10],tel1; int x,i,f=0,f1=0; cout<<"1 - add new rec"<<endl; cout<<"2 - search … |
| | I am working on a program that implements a complex number class. I will include the main part of the code. I am getting the following error and can't figure out why. [code] error C2143: syntax error : missing ';' before 'namespace' [/code] Here is the beginning of the program. … |
| | pls explain me about the storage class?and also their difference among them.  |
| | When there are several cout statements, if the first cout statement has, say, << fixed << showpoint << setprecision(4), then all the subsequent cout statements *without* these settings will also have that effect. For example, in the following program, [CODE]cout << "sin(" << angle << ") = " << fixed … |
| | Hello to everybody. I'm trying to solve an ACM task #755 called [URL="http://icpcres.ecs.baylor.edu/onlinejudge/index.php?option=com_onlinejudge&Itemid=8&category=9&page=show_problem&problem=696"]487-3279[/URL]. It's about telephone numbers, quite straightforward. But still something is wrong in my code, because the automatic control says "Wrong answer" and I can't find on which input it fails. I tested it on Windows using MinGw. …  |
 | Hi Guys, I'm writing a program for work which uses the HtmlTextWriter to output html files (it's a reporting system). In each file I want to render a style tag at the beginning and to do this I'm using the HtmlTextWriterStyle enumeration. This means I need to convert any value … |
| | I just started my C++ course in college and I'm having major trouble I have to write a program that dispenses changes. It has to read the amount paid - amount purchased, and gives the change in dollars, dimes, etc I need some help with this because I am so … |
| | The main function of my program is to realize a client base to the physical Robot and it receives the parameters from the robot. after some processing it links to the webot environment for visual display. so i have used a two classes with the member functions. i have given … |
| | ok I am making a maze for my school with gotoxy and getch and 2d character arrays I have 2 errors though when I am compiling it.. here's the source: [CODE=cplusplus]#include <iostream> #include <stdio.h> #include <windows.h> #include <stdlib.h> #include <conio.h> #include <ctype.h> using namespace::std; char moveR; char moveL; char moveU; … |
| | can any body convert this to switch statement thankxxxx.. [CODE=cplusplus] public char CheckDir(int row, int col, int selectedX, int selectedY) { if (row == selectedX) { if (col - selectedY == -2) { return 'd'; } //DOWNWARDS else if (selectedY + 2 == col) { return 'u'; } //UPWARDS } … |
 | I have "right" overloading working fine with: Vector Point::operator*( double P ) this would be called with MyPoint*2 and gives the results I would like. However, if I say: 2*MyPoint, it says I can't do that. Makes sense, but surely this can be done! I had trouble googling because I … |
| | I have a class called Point. Point.h : [CODE] #ifndef POINT_H #define POINT_H #include "Vector.h" #include <iostream> class Point { friend ostream& operator<<(ostream& output, const Point& p) //must have global scope { output << "x: " << x << " y: " << y; return output; } [/CODE] The compiler … |
| | I am getting this error when debugging can anyone tell me what I am doing wrong....keep in mind I am not finished with the program 1>Project 3.obj : error LNK2019: unresolved external symbol "int __cdecl Get_Number(int)" (?Get_Number@@YAHH@Z) referenced in function _main [code=C++] #include <iostream> using namespace std; double Get_Character(); int … |
| | hi..i am new progarmmer for c++ and i really need help coz i have lots of problom while doing progamming in c++. i need guidance how i can implement my code or if someone could start the code for so it might be easy to continue. i need everything in … |
| | Hi, I'm new in this forum and c language, need somebody to correct my programme as below: Question Design and implement an interactive program that reads your yearly gross salary and computes and prints your net monthly take home income. Assume that your yearly gross salary is greater than RM … |
| | Ok i have this assignment almost complete. But after the standard deviation, i am supposed to show the minimum and maximum temperatures and the number of the position of the temperature. I just do not understand how to to that.... [code=cplusplus] //Assignment 6: Computing with Arrays //By: Curtis Davenport 2/24/08 … |
 | well didn't know where to post, so I'd this here. Does anyone know how to extend bridges across rivers? The manual supplied with worldbuilder is of no help, it says about dragging from end to end. I have tried this many times, and all that happens is that the part … |
| | Hello. I tried to correct segmentation fault bug and I have found out a very strange thing imho: creating new instance with "new" returns address of already existing object, constructor is called and my old object is overwritten. I didn't delete my old object before. Could someone tell me what … |
| | I have a class Vector that needs to have a function that returns type Point, and a class Point that needs to have a function that returns type Vector. I was informed that I needed to use forward references, which I thought I had implemented as follows. I am still … |
| | i'm planning on creating a program for reservations (ex. rooms) by analyzing my problem,the things i don't know how to are: validating the date and whether the room inquired is available or reserved for someone else i'm guessing this will require me to create an output file,which i have no … |
| | How can i read in an array and then count the number of words that end in punctuation? Thanks for any insight. |
| | I'm not sure how far I have left to go with my coding, but after I enter my play then I want the computer to play, it just repeats its play over and over until I control c to get out. [code] #include <iostream> using namespace std; // Leave the …  |
| | I wrote a simple bubble game... but it look long and complicated... so any idea to short it down? i heard about class.. but i dunno how to use it.. so is my program can use class? or any idea to short it down? #include <iostream> #include <ctime> using namespace … |
| | What is wrong with this function? [code]// /////// // void GetData(int(IDs)[], float(Scores)[][4], int &i) { //GIVEN: One blank ARRAY, one blank 2D ARRAY, & a index variable. //TASK: Function retrieves data from open stream into multiple functions. Stores ID into one structure and all of the student's test grades into … |
| | CAS is tough stuff, and honestly seems incredibly ridiculous. Too bad there aren't any true work arounds. I need some help from the smart people here to get an app running when downloaded off a website. This app requires the ability to modify a file locally on the PC, so … |
| | I'm writing a program to input a file called customers and output it as bills, but I'm not sure how to use ifstream. I've searched for quite a while and haven't really found anything useful. I'm probably doing it wrong though. Still new at this. [code] #include <iostream> #include <iomanip> … |
| | I'm trying to write a program with a has-a relationship but the initialization isn't working. The error I'm getting is: [QUOTE] h:\oop labs\license retry\license2.0\license2.0\licenses.cpp(15) : error C2275: 'Date' : illegal use of this type as an expression[/QUOTE] [CODE=cplusplus]Licenses::Licenses(int id, string name, string ad, Date, Date) :issue_date(Date), expiry_date(Date) // error occurs … |
| | Hello, There's probably a very simple solution to this but i'm having some trouble figuring it out. How do i enter X numbers into an array without using "enter" after each input ? I'd like to separate them with spaces. For example: int array[5]; when i'd enter numbers into it, … |
| | Can anyone please point me in the direction of a tutorial on parsing a binary file and extracting data. I want to search for file headers in Hex and export the files. Thanks |
| | Hi guys, ok so I'm trying to figure this thing with functions out and I've been sitting here for seriously 6 hours with half of it done. I am so confused, please help! The program is to track the amount and price of raffle tickets sold, and then add to … |
| | Last week I had to make a dice rolling program that uses a one demensional array that stores and displays the number of times each sum of two dice appear. I completed this code with little effort. But this week we have to modify the code so that instead of … |
| | Everything compiles, but after I input I just get an infinite loop. Is there something I can do differently to make it not loop? [code] #include <iostream> #include <iomanip> #include <string> using namespace std; // Program Description // This program will calculate test results for // a set of test … |
| | Hey guys and girls! My name is Dave Traeger, and im currently looking for some code help with my mod Arcadium for the Source Engine. Currently the project is going under a few changes and the name is included (originally it was called Gauntlet). Arcadium aims to bring back the … |
| | [QUOTE]char str[] = "SACRED"; strcpy( &str[2], &str[3]);[/QUOTE] what the single & do ?? is it a typo of && ?? and what bout the other elements ?? won't the str[3] be repeater teice i.e SARRED ?  |
| | Sometimes when I run my program, it comes up an Error DialogBox that says. "Unhandled Exception" In this messagebox, there is info about something called JIT Debugging. It also says that it is possible to Turn JIT-Debugging off so some system file on the computer will take care of this … |
| | Hello to everybody. I am simulating a tree without a recursion, that is I have an array of leaf nodes and I want to go one level deeper. I wrote the following code: [CODE] #include <iostream> using namespace std; int main() { int* row; int root_row[1]; int row_size = 1; … |
| | I have been given an assignment to construct a program that reads in temperatures every hour for 24 hours, find lowest, highest, and average, then output the temps in a tabulated form. I'm semi-sure I can manage the computational and display part, but I am at a loss as to … |
 | Does anyone know where can i get the game engine: LlamaWorks2D ? |
| | Is it possible to make a function with an unknown number of parameters without knowing ANY of them? ie. void Test(...) I know you could do void Test(va_alist) with varargs.h, doesn't make sense that this functionality has been removed does it? Thanks! Dave |
| | Sorry for the 2nd post but I thought it might be seen better than if it was in my other post, which btw, thanks everyone in there for helping me. The second program i have to write is about the user inputing their annual interest rate, current balance, and amount … |
| | You have just purchased a stereo system that cost $1000 on the following credit plan: No down payment, an interest rate of 18% per year (and hence 1.5% per month), and monthly payments of $50. The monthly payment of $50 is used to pay the interest and whatever is left …  |
| | Hi, I've recently started learning C++ and though I have been sticking to command line stuff so far, would now like to have a play with the IDEs I've downloaded, Dev-C++ and the Microsoft stuff. When I installed Visual C++ 2005 Express edition a while back, I must have set … |
| | Hi, there: I'm recently working on parsing xml file in c++. i have googled sort of libraries. just dont which one is better. Could someone who has experience say sth. about it. I mean, "right" easy to learn, light -weight... 3ks Regard Teddy |
| | I have a Form application. From Form1 I open Form3. On Form3 I have a button that consists of 20 pages of code. (The code reads .txt files store values into vectors) 9/10 Times when pressing this button the program function perfectly but 1/10 times I run the program, an … |
| | Hi, I am new to using dev. C++ and i was wondering if anyone could help me start writing the code. I know how to open up a new project but thats about it. Please help me? |
| | Hi everyone, I'm new to the forums and having a problem that I can't seem to fix, so it would be great if someone could help me out! Everything in the following code works except for the while loop. When it gets to the "Input another product? (y/n) :" line, … |
| | Trying to have a user input their grades as letter values and then assigning the letters numbers to be saved in an array. For some reason I can't get case 1 to work correctly. All it does is ask for the lab and then the grade, but once you input … |
| | Hello again everyone. I've been trying to finish this code that calculates the eigen digit (i.e. 2349 is 2+3+4+9=18=1+8=9. It wont give me a single answer though. And we are supposed to do it through a recursive function. The code looks like this: [code=c++] #include <iostream> using namespace std; int … |
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