49,755 Topics
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 | I'm trying to make a 50x50 board of 50 pixel by 50 pixel squares. However, when I run this code, it only gives me one square. Does anyone have any idea what I'm doing wrong? [CODE] #include <iostream> #include <allegro.h> using namespace std; int xgen = 0; int ygen = … |
| | Why do I have a syntax error in this line ? I think that everything is correct fMaxElem = fabs(double pfMatr[k*nDim + k] , int k); // error C2059: syntax error : ')' m = k; for(i=k+1; i<nDim; i++) { if(fMaxElem < fabs( double pfMatr[i*nDim + k], int k) )//error … |
| | Can anyone tell me what to do to solve this error? [CODE]#include <iostream> #define MATRIX_DIMENSION 4 int WSACleanup (void); int main(int nArgs, char** pArgs) { int nDim = MATRIX_DIMENSION; double fMatr[MATRIX_DIMENSION*MATRIX_DIMENSION] = { 1.0, 2.0, -1.0, -2.0, 1.0, 3.0, -1.0, -2.0, 2.0, 1.0, 1.0, 1.0, 3.0, 1.0, 2.0, 1.0, }; … |
| | Hello! I'm having some problems with constructor initialization,mainly because I have object members and vectors within classes. I have a class Factory in which i have 2 object members(base and dumpster),a vector of Floors and a set of Robots. Each Floor has a size(lin,col) and a member object Cell which …  |
| | [CODE]#include <iostream> #include<string> using namespace std; long int NN; int x=0; class node *temp, *temp2 ,*start; class linked_list { public: class node { public: char name[20]; long int national_number; char residance[25]; node *nxt; }; //---------------------------------> linked_list() { node *start; start=new node; cout<<"NAME : Hussam Adel Abu Lubbad"<<endl; cout<<"nathiona number : …  |
 | Hi everyone... I have a silly problem.. Somehow I managed to faceroll or something, hitting a shortcut which shows all indents as arrows and all spaces as dots. Here is a picture of the problem: [url]http://img97.imageshack.us/img97/8789/problemyf.jpg[/url] I've looked the options through, but since I don't know what this thing I … |
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| | [code]#include<iostream.h> #include<string.h> struct node { node*next; int data; }; class stack { private:node*top;node*top2;char c; public: stack() { top=NULL; top2=NULL; } void push(char c) { if(top==NULL) { top=new node; top->data=c; top->next=NULL; } else { node*temp=top; temp->data=c; temp->next=top; top=temp; } } void pop() { node*temp=top; char x=temp->data; cout<<x; top=top->next; delete temp; } …  |
| | i would like to ask for help regarding my problem, it's like this... I have a txt file and inside it looks like this OL001 bob red 13 OL002 jack blue 13 OL003 paul yellow 14 so if my program starts it will ask for the OLXXX and return each … |
 | What does this cin.clear() and cin.ignore() means? this is the part of the code : [CODE] while(1) { cout<<"Enter the Product ID :"; cin>>product[i].id; cout<<endl; if(cin.fail()) { cout << "\t\t\t\t\WRONG ID DATA!" << endl; cin.clear(); //what does it means?? cin.ignore(1000, '\n'); //why 1000?? continue; } break; } [/CODE] thank you … |
| | Hi, I'm using a Form generated application. Its definition starts with: [code]public ref class Form1 : public System::Windows::Forms::Form { public: Form1(void) {[/code] When I'm inside one of its method, I can use calls like: [code]this->StartPosition = FormStartPosition::Manual;[/code] thanks to the this pointer. How can I do this kind of calls … |
| | Hi I've found a strange problem on ubuntu64bit, that limits the data you are allowed to allocate on a 64bit platform using the c function 'read()' The following program wont allow to allocate more that 2.1gig memory. [CODE=c++] #include <stdio.h> #include <stdlib.h> #include <err.h> #include <fcntl.h> #include <sysexits.h> #include <unistd.h> … |
| | visual C++ conversion of decimal to binary,binary to octal,octal to hexadecimal.. |
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| | I am a beginner of c++ I just built a very simple Hello World program but nothing output to the screen what's the problem? Thanks in advance. Here is output message: 'HelloWorld.exe': Loaded 'D:\Visual Studio 2005\Projects\HelloWorld\debug\HelloWorld.exe', Symbols loaded. 'HelloWorld.exe': Loaded 'C:\WINDOWS\system32\ntdll.dll', No symbols loaded. 'HelloWorld.exe': Loaded 'C:\WINDOWS\system32\kernel32.dll', No symbols loaded. …  |
| | Hi, I'm trying to construct my first Doubly Linked List, but am having trouble compiling. This is my program: [B]main.cpp :[/B] [code=c++] #include <iostream> #include "node.h" #include "doublylinkedlist.h" using namespace std; int main() { system ("PAUSE"); return 0; } [/code] [B]node.h :[/B] [code=c++] class Node { public: Node *pointertonextnode;//pointer to … |
 | when I right click a file ( with .ghh extension) a menu appears in Windows. How can I add a tab to it? when I select the tab my program runs & processes the file. (API programming) |
| | Hello. I am currently reading c++ primer plus 5th edition and I've become stuck at Chapter 13, Exercise 1, which is on class inheritance. The classes looks like this: [CODE] class Cd { ..... public: ... virtual void Report() const; .... }; class Classic : public Cd { .... public: … |
| | hello all, I've posted an old version of the following code before but I was not clear on my question or the title of the problem [for that am sorry] I did changes on the code now I have no errors but it does not do what I want .. … |
| | Hey everyone,,, I am new to c++ and to reading from files especially... I wrote a code where I am filling an array of strings with strings from a file and there is an error that happen during the run of the program, please have a look at the reading … |
| | Hi, Could somebody please show me and example of how to iterate through an n-nary tree, where I do not know what n is and n could be different for every node ie the root node could have 3 children and each child might only have 2 children etc, I … |
| | Hi how are you i needyour help pleasE i wanted to do this programme with C++ languge by visual C++ Hotel Reservation System – HRS In this project you have to design and implement an HRS that can be used by a small hotel. Your program should provide the following …  |
| | [CODE]int main(){ string array[][]=get_element(2,3); return 0; } string get_element(int numrow,int numcol){ string result_array[numrow][numcol]; for (int i=0;i<numrow;i++) { for (int j=0;j<numcol;j++) { result_array[i][j]=" "; } } return result_array; //ERROR is on this line } [/CODE] I get error: conversion from ‘std::string (*)[(((long unsigned int)(((long int)numcol) + -0x00000000000000001)) + 1)]’ to non-scalar … |
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| | How do you take input from a user and use that input to determine what information in a class to use. Here's an example that doesn't work, but hopefully you understand what I am trying to do from this. [CODE] class hello { string name; int size; }; int main() …  |
| | plz send me coding which add two matrix by using two dimension array:icon_sad: |
| | hi,I'm currently working on a program in C++.I have a string for ex "Hello Hai How are you" When i print it using outtext im not able to get the output same as that of the string, the new line character"\n" is replaced by some other special charecter,and is printed … |
| | Is there any method to find what is the error while Executing System() function? |
| | Help me to use nested LinkedList for expressing Matrix. Thanks. Where is error in my code? [CODE]#include <stdio.h> #include <stdlib.h> #include <time.h> struct Node { int Data; struct Node *Next; }; struct LinkedList { Node *Head; Node *Tail; struct LinkedList *Next1; }; struct LinkedList1 { LinkedList *Head1; LinkedList *Tail1; int … |
| | Hi Guys I Need A Program Code Of Hospital Management For My mini-Project (Need Diploma Level Code :D) I hope That u guys will help |
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