49,761 Topics
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| | I need to Construct a program that inputs the entries of two matrices and multiplies them. Construct the program so that it gives an error message if they cannot be multiplied. What I have done so far I need to Construct a program that inputs the entries of two matrices …  |
| | Is this code compiling [code] [COLOR=#0000ff]#include[/COLOR][COLOR=#000000] <iostream>[/COLOR] [COLOR=#0000ff]using[/COLOR][COLOR=#0000ff]namespace[/COLOR][COLOR=#000000] std;[/COLOR] [COLOR=#008000]//Define the Matrix3X3 type.[/COLOR] [COLOR=#0000ff]typedef[/COLOR][COLOR=#0000ff]struct[/COLOR] { [COLOR=#0000ff]float[/COLOR] index[3][3]; } Matrix3X3; [COLOR=#008000]//Function prototypes (functions are defined below main())[/COLOR] [COLOR=#0000ff]void[/COLOR][COLOR=#000000] printMatrix( Matrix3X3 a );[/COLOR] Matrix3X3 inputMatrix(); Matrix3X3 addMatrices( Matrix3X3 a, Matrix3X3 b ); Matrix3X3 subtractMatrices( Matrix3X3 a, Matrix3X3 b ); Matrix3X3 scalarMultiply( Matrix3X3 …  |
| | Hi all, I looking for somebody to help me through a final class program. I would be happy to pay somebody to tutor me through this or make a donation. I am not looking for somebody to just give me the answer, but I DEFINITELY need help. It is due … |
| | I'm writing a win32 app that re-paints the client area everytime the user clicks inside of it. Unfortunately after about 25 or 26 clicks the window gets painted white, but the black grid lines still appear. The WM_PAINT case goes through a for loop and asks another class what should … |
| | Hi everyone! I am having some difficulty with my code here. I wrote a prgraom that is supposed to receive a non-determined number of fields from an HTML form and return their values back to a browser. I feel like I am almost finished but when I open up the … |
| | I am trying to finish up this program but it wont compile. I am getting some error messages but don't understand them. Can anyone take a look at my program and see if you can find anything wrong with it? THank you so much in advance this is my final …  |
| | [COLOR=#555555]I am suppose to be creating a program that uses a structure named Moviedata to store the following information about the movie: Title, Director, Year Released, running Time (in minutes).[/COLOR] [COLOR=#555555]The program should create two moviedata variables, store values in their members, and pass each one in turn to a … |
| | im new with c++ and my lecturer given this question and ask me to solve it. it is difficult to understand it. anyone can help me,pls? [COLOR=#000000]Given the structure[/COLOR] [COLOR=#000000] [/COLOR] [COLOR=#000000]typedef struct {[/COLOR] [COLOR=#000000] char Firstname[20];[/COLOR] [COLOR=#000000]char Lastname [20];[/COLOR] [COLOR=#000000]char add[20];[/COLOR] [COLOR=#000000]char city[20];[/COLOR] [COLOR=#000000]char state[20];[/COLOR] [COLOR=#000000]char zip[6];[/COLOR] [COLOR=#000000]char phone[15];[/COLOR] …  |
| | I'm lost. why won't my objects instantate? Here's the code, compiler errors are below. thanks [code=cplusplus] class date { private: char *mo; int day, yr; public: date() {*mo = 0; day = 0; yr = 0;} date (char *m, int d, int y) {mo = new char[strlen(m)+1]; strcpy(mo, m); day …  |
| | hi, i m running fedora core 5 32 bit as the os and want to learn a bit of c++ programming. did the search on the net and came across a post telling the fact that something called eclipse can be used to write c++ code and compile it perfectly. … |
| | Can you write a program that prints its own source code ( in C/C++ )? Of course it would be easy to do that referring to the source file, but how can this program be written assuming that the souce file is not available at run time? :?: :?: |
| | Hi all, I am trying to build extension modules in Visual Studio.NET 2003. I get the following link errors in debug mode, but there are no errors in release mode. _viscoelastic error LNK2019: unresolved external symbol __imp__Py_FindMethod@12 referenced in function _veModelGlobalRayleigh_getattr@8 _viscoelastic error LNK2019: unresolved external symbol __imp__Py_InitModule4@20 referenced in … |
| | hi, i'm trying to execute some c++ code from the php script in my webpage, but its not working. the best i could find was the php code below. [code=php] $output = shell_exec('ls -lart program.exe'); echo "<pre>$output</pre>"; [/code] here is the code of program.exe (codewarrior created program.exe from this code) … |
| | Hello, I'm working o a function that takes a file with binary numbers and returns the sum of those numbers. Here's where I'm now [code] int Sum (char *fileName) { char * numEnd; long temp(0); int result(0); string line; ifstream file (fileName); if (file.is_open()) { while (! file.eof() ) { … |
| | this program compiles and gives the following return state/code Exit code: -1073741819 this is very irritating i would also ask please do not post the output file here this is a challenge from arcanum i just want a working program. please help me with this program. this is what i … |
| | Hello there, my question is , i read upto 20 numbers from a file, then i have to sort them into, negatives, odd's and even's, then i have to display total negatives, odd's, and even's, i also have to display all the acutal values of the negatives, odd's, and even's. … |
| | Hi guys how are you , hope you are ok. I have a small problem with my code. briefly my program is about chained sequence numbers which requires a user to enter sequences separated by (-1) in an input file as follow: 123 122 121 -1 45 67 89 -1 … |
 | Hi there everyone, im new to programming and havent the faintest clue where to start (just so you know:rolleyes: ) . I want to learn C++ but havent the apps to test or write it. I downloaded the microsoft visual studio and it confused the hell outa me. Can anyone … |
| | ok so far this is what ive got for my code im trying to figure out how to start my for loop that will receive the array and the int that represents the count(2)? [code]#include<iostream> using namespace std; struct Student { char Name[30]; float GPA; int Major; }; //Function Prototype … |
 | In the following snippet of code the compiler (g++ on RH 4) does not see my overloaded operator. I cannot figure out why. Error: parse_opra.cpp: In function `void parseFile(std::istream&)': parse_opra.cpp:19: error: no match for 'operator>>' in 'in >> rec' note: candidates are: std::basic_istream<_CharT,...... ..... opra_record.h:35: note: std::istream& operator>>(std::istream&, Opra_record&) I … |
| | for(i=1;i<10;i++) { cout<<"i= "<<i; } I want to print The label i as well as its value by using Outtextxy. Is it possible. I knew that Outtextxy is used to display strings. but i dont want to use cout. |
| | Having trouble getting this to compile. My error message says in line 42 expected ';" before "text" any suggestions? [CODE]#include <iomanip> #include <iostream> #include <cstring> #include <cstdlib> #include <string> #include <ctype.h> using namespace std; struct FORM { string name; string data; }; void getFormData(string, FORM []); //FORM *create_array(int); //string param(string, …  |
| | I am trying to write a program that will recieve a non-determined number of fields from an HTML form and return their values back to the browser in an interesting way. I am stuck on some of my code because I want to create 1)spaces between the questions 2) add … |
| | Hi I am new to c++. I tried to get current date but when I compile the program, it gives me an error. This is my program [code=cplusplus] #include <iostream> #include <ctime> #include <stdio.h> int main () { char sdate [10]; _strdate(sdate); std::cout<<"Current Date:"<<sdate; return 0; } [/code] when I … |
| | ok, im trying to write a function that dynamically allocates an array of integers. The function should accept an integer argument indicating the number of elements to allocate. Lastly the function should return a pointer to the array. If anyone can help much appreciated Thanks in advance |
| | Im usind Dev-C++ and it allows to return more than 1 value :eek:. ok, so here's my code : [code=c] #include <iostream> using namespace std; int intFirst, intSecond, intThird; int BreakUp(int intNumb) { intFirst = intNumb / 100; intSecond = (intNumb - (intFirst * 100)) / 10; intThird = intNumb … |
| | Hello, I have a quick question: How do I declare array of strings with a static size entered by user during run time in C++? In C# i'd do [code] // Get user unput (int, # of strings); string[] stringArray = new string[numOfStrings]; //tell user to start imputing the string … |
 | [code] [COLOR=#0000ff]#using[/COLOR][COLOR=#800000]<System.dll>[/COLOR] [COLOR=#0000ff]using[/COLOR][COLOR=#0000ff]namespace[/COLOR][COLOR=#000000] System;[/COLOR] [COLOR=#0000ff]using[/COLOR][COLOR=#0000ff]namespace[/COLOR][COLOR=#000000] System::Diagnostics;[/COLOR] [COLOR=#0000ff]ref[/COLOR][COLOR=#0000ff]class[/COLOR][COLOR=#000000] B {[/COLOR] [COLOR=#0000ff]public[/COLOR][COLOR=#000000]:[/COLOR] [COLOR=#0000ff]virtual[/COLOR] [COLOR=#0000ff]void[/COLOR] F() { Console::WriteLine([COLOR=#800000]"B::F"[/COLOR]); } }; [COLOR=#0000ff]ref[/COLOR][COLOR=#0000ff]class[/COLOR][COLOR=#000000] D : B {[/COLOR] [COLOR=#0000ff]public[/COLOR][COLOR=#000000]:[/COLOR] [COLOR=#0000ff]virtual[/COLOR] [COLOR=#0000ff]void[/COLOR] F() [COLOR=#0000ff]override[/COLOR] { Console::WriteLine([COLOR=#800000]"D::F"[/COLOR]); } }; [COLOR=#0000ff]int[/COLOR][COLOR=#000000] main(){[/COLOR] B^ b = [COLOR=#0000ff]gcnew[/COLOR] D; b-F(); } [/code] It says identifer not found. I dont know why …  |
| | I need to construct a C++ program where I input from the screen the entries of two 3x3 matrices A and B. My program then computes A-5B. The matrices should be declared as two dimensional arrays. What I have so far [code=cplusplus] #include <iostream> using namespace std; //Define the Matrix3X3 … |
| | Could someone help me? I have an [URL="http://www.daniweb.com/techtalkforums/post285021.html#"]file[/URL] in which a list of employees and salaries are listed for each year ex: Year: 2005 No. of Employees: 3 Employee ID Salary 123456 36000.00 123567 32000.00 123678 33000.00 Year: 2006 No. of Employees: 4 Employee ID Salary 133456 31000.00 133567 32000.00 …  |
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