51,593 Topics
 | |
| | I have two functions. One is supposed to fill in an array, and the other takes that new array, finds the lowest number in that array, and prints the subscript. int getNumAccidents(int acc[], const int size); [B]Fills array num_acc[][/B] int findLowest(int acc[], const int size); [B]Takes num_acc[], finds lowest value … |
| | This is an assignment that I'm having trouble with, these are the 2 questions I'm having trouble with. 2. Write a loop that counts only the odd numbers out of the first five numbers entered from the keyboard, but does not count (skips) the number 7. Use the keyword continue …  |
| | I am trying to write a C++ program that will list the perfect numbers between 1 and 1000. I also have to print the divisors to confirm the number is perfect. I started by trying to find the perfect numbers. Here is my code. Please help. #include <iostream> using std::cout; … |
 | Dear all this program create a linked list of numbers while you dont enter 0. then bubble sort function is called and finally display function shows sorted list. I wrote it by Borland 5.02 . Have a good time! |
| | I have to write this code for my homework assignment. I am in an introductory C++ class, VERY introductory. We had to write a blackjack game, but follow the book at the same time, I know there are many easier ways to do the things my code says, but we … |
 | I have a problem that I am having trouble solving. I have a string of undefined length containing '0' or '1'. I need to convert this string to decimal... but I CANNOT store it in anything but another string. My issue is how to do this?! I have been thinking … |
| | Here is the prompt of what I have to do: Overview In this assignment, implement a class called Complex, which will be used to represent a complex number. A complex number is one that is comprised of a real part and an imaginary part. It is typically represented in the … |
| | I was given an assignment to complete on database, i have created on but crashes after executing once, check it friends and please help, if you can modify or make it way, i'll be graceful. Please find the coding in attachment section. thanks hope will get good response |
| | Hi Everyone, I want to seek advice on how to acquire to strong background in Client-Server Programming, i mean learn it from scratch since having no knowledge about it but with networks Thanks  |
| | Hi, I use the stl features to deal with string conversions, especially facets. Now, I am faced with the task to lower a string except its first letter. Please note that I am dealing with multi-byte characters and so I cannot simply replace the first character of the string with … |
| | i have write that code i m new in programming this code doesnt work in one source file but when i type exact same in other file it start working [CODE]#include <iostream.h> main() { char std1[20], std2[20] cout << "enter your name student"<<"\n"; cin >> std1; cout << "enter your … |
| | Hi, I'm trying to link c object with c++ (using QT Library) object and find the following error. tonysun:~/tmp# g++ -c main.cpp tonysun:~/tmp# gcc -c mainlib.c tonysun:~/tmp# g++ -o main main.o mainlib.o [ICODE]main.cpp:(.text+0x64): undefined reference to `para_prep()'[/ICODE] <<main.cpp>> [CODE]#include "mainlib.h" int main(int argc, char *argv[]) { para_prep(); /* Here are … |
| | Hi all, I have some code as following. BOOL qw = ExtractResource(AfxGetResourceHandle(), IDR_DLL1, _T("C:\\VBDLL.dll") ); bool ExtractResource(const HINSTANCE hInstance, WORD resourceID, LPCTSTR szOutputFilename) { /*LPTSTR sArgv = argv[1]; LPTSTR sArgv2 = argv[2];*/ TCHAR sResName[5] = _T("#101"); TCHAR sRestype[4] = _T("DLL"); HRSRC hres = FindResource(AfxGetResourceHandle(), sResName,sRestype); if (hres == 0) { … |
| | Hi.. I am working with vb.net .. I am new in vc++. I need to write some code in vc++ in some case. I need vc++ for following reason. I created one dll in vb.net and make a tlb file based on vb.net dll. I import physical tlb file in … |
| | So with my program I'm trying to count the number of operations it takes to perform a insertion sort/quick sort. And because functions are calling other functions from inherited classes, it gets a bit confusing as to where I can place the operation to increment the number of operations. Right … |
| | I have been trying for about 6 hours to get this program to work. It's a C++ program for for loops. I am trying to go through a book, but I don't have source code for how this should be. I need to make a program that looks like this … |
| | I have this code written. One of the problems that I am having is in "Test 6". It should be totaling to $1.11 but it is totaling to $1.8 because it is switching the 6 and 3 and I cant figure out why. Another problem is that for some of … |
| | So i need to find a way to prompt the user for an answer (cin) while a timer is running. Like if the user doesn't answer in time then... or after a certain period of time passes an event occurs. Please Tell me if i'm being too vague. Thanks |
| | [CODE]// test.cpp - Script 6.7 #include <iostream> // Function prototype. // Function takes two arguements. // Function returns no values. void changeVar(int *myVar, int newValue); int main() { // Create a new variable. int myNum = 20; // Print its current value. std::cout << "myNum is " << myNum << … |
| | I am creating a Win32 Dll Wrapper around my C# class library. I am able to pass string from my C# to C++ application. But i am not sure as to how can i pass string array in Win32 C++ project. [CODE] //C# code void Test(string lFile, int ver); //C++ …  |
| | How can i get th execution time ?? I tried to use library <time.h> [CODE] clock_t tStart = clock(); //put here my code double executionTime=(clock() - tStart)/CLOCKS_PER_SEC; [/CODE] here the excution time always zero. so what's the error here?? |
| | [CODE]int main() { FILE *fp; unsigned long size; unsigned char *loc; fp=fopen("Hello.exe","rb"); if(fp==NULL) { printf("\nCouldn't load file"); getchar(); return 0; } fseek(fp,0,SEEK_END); size = ftell(fp); fseek(fp,0,SEEK_SET); loc=(unsigned char*)malloc(sizeof(size)); printf("\nSize of file is : %d",size); if(loc==NULL){ printf("\nError in allocating memory."); } printf("\nFread called"); fread(loc,size,1,fp); printf("\nFread fails:"); return 0; } [/CODE] I … |
| | I have a text file for example abc, cde,fgh, jkl, rty qwe,erty, tyujk,werty , lkjh I want to read these tokens from the text file, into different variables row wise (ie one row at at time) Number of tokens in a row is fixed. (ie 5 in this case) Please …  |
| | Hello, I haven't done any work with reading or writing from/to files in C++, I think we did some C in school but its all a little fuzzy at this point. What I need to do is store the values for a couple different functions in a text file, have … |
| | Hi guys, I need to implement a program for simulating the flooting algorithm. Can someone suggest from where to start. I will use structs or classes? How the flow of the program will be? |
| | is there a way to convert from pointer array to array I tried the following, but it doesn't work. [CODE] int[]a={1,2,3}; int* p; p=a; a=(*P);// doesn't work [/CODE] |
 | I`m new in Programming stuffs. So here is my codes: [CODE]#include<iostream.h> #include<conio.h> float records[5][5]; float ave; int ctrX, ctrY; main() { clrscr(); ctrY=0; for(ctrX=0;ctrX<=4;ctrX++) { cout<<"Student Number: "; cin>>records[ctrX][ctrY]; ctrY++; do { cout<<"Quiz 1 Score: "; cin>>records[ctrX][ctrY]; if ((records[ctrX][ctrY]<0)||(records[ctrX][ctrY]>30)) { cout<<"The score supplied must be from 0 to 30 only!" …  |
| | Hello all, So I am just playing around with different ways to format output to the command line in c++. I already found information on how to change the color of standard output (both in Linux and Windows). Is there a way to highlight output to the command line? I …  |
| | Hello again guys, I've got kind of a noob question. I have a wchar[260] and I need to compare it with a char* and im getting the error error C2664: '_stricmp' : cannot convert parameter 1 from 'WCHAR [260]' to 'const char *' Thanks!  |
| | anybody can help me? How to culculate totalsale for each division.. I've tried many time but failed.. my coding is below [ICODE] #ifndef DIVISIONSALE_H #define DIVISIONSALE_H class DivisionSale{ private: double sales [3]; double totalSales; public: DivisionSale(double,double ,double ,double); double getQuaterSale(int); double getDivisionSale(); void culculateTotalSale(DivisionSale[], int); }; #endif[/ICODE] [ICODE] #include "DivisionSale.h" … |
| | Anyone can help me to write a code in C++ to reverse a string. Example: i/p= " string with space " o/p= " ecaps htiw gnirts " Better if we use function or class. Thanks in advance |
| | As part of a school assignment, I have to analyze a binary and determine what is does and what it takes to cause the various "branches" (if statements) to be triggered. I performed a strace on the file and the only part that stands out is a gettimeofday call: [CODE]gettimeofday({1303744469, … |
| | Hi all, I am constructing a program on TCP sockets. The server should be able to accept connections from more than 1 clients. My programs seem working fine when accepting connections. Now the problem is: when I try to terminate one of the client programs, the server program would also … |
 | Hi guys: I am constructing this simply code to read a number of columns in a file, get a number and produce a new file. I am just not certain what is wrong. I used the same standard as an old code of mine so it should work but I … |
 | OK im having a problem which I feel should be super easy within windows API gui programming, but I dont know how to go about it the right way. On a givin HWND when a single mouse click is qued and my program recognizes it and my windproc processes it … |
| | I've been searching this for a little while now and I'm absolutely unable to figure out what the problem is. This is the code I'm having the issue with: [CODE] std::vector<std::string> TexName; TexName.push_back("mega.png"); [/CODE] and I get... error: 'TexName' does not name a type I've included both vector and string … |
| | [CODE] #include <iostream> #include <vector> #include <iomanip> using namespace std; class DAI //DynamicArrayInput { public : void getCountry() { cout << "Country : "; cin >> Country; } void putCountry() { cout << Country << endl; } static int putCount() { return count; } private : static int count; char …  |
| | Hi. Im a newb programmer. I m wondering... 1.what exactly is an api. I cant seen to find a clear answer 2. How do i use them in c++ |
| | Hi i am writing a program to compute the smallest number divisible by each of the numbers 1 to 20. This is what i have so far but it does not cout anything. it just gives me a blank page. Could anyone please help [CODE]#include<iostream.h> #include<math.h> bool div(ull y) { … |
| | Hey, so im creating a work example for school and right now i'm working on an "address book" sort of. I have three options the user can select add, view, and delete contacts. I want the "view" option to be able to search for first and last names inside of … |
| | Using an appropriate definition of listnode, design a simple linked list class with only two member function and a defult constructor: void add(double x) boolean isMumber(double x) LinkedList(); The add function adds a new node containing x to the front (head) of the list, while the isMember function tests to … |
| | Hi , I've written following program that takes a four digits integer from user and shows the digits on the screen separately i.e. if user enters 7531, it displays 7,5,3,1 .Any one can tell me how it can be written better and how to display digit in linear order i.e. … |
| | I'm having troubles with a cin statement in my code and need some guidance. I need my code to refresh an array with completely different ASCII characters, then have the user enter a keystroke and have the refresh speed increase by a few hundred miliseconds every time. Now my C++ …  |
| | Hi, I'm working on a simple calculator in Delphi. The assignment is convert C code to Delphi code. My problem is that I've tried for days and I can't come up with something to replace "getchar" from the C code. This is the code in C: [CODE]#include <stdio.h> #include <stdlib.h> … |
 | I recently received an 'A' on a program I submitted for the programming course I'm currently taking. I'm on spring break and I was hoping to use my spare time to do some studying, so I took my 'A' program and tried to run it in Visual Studio Express, and … |
| | [CODE] #include "stdafx.h" #include<iostream> using namespace std; class Shape { public: virtual void fun() { cout<<"in base"<<endl; } }; class Square:public Shape { public: void fun() { cout<<"in Square"<<endl; } }; class Circle:public Shape { public: void fun() { cout<<"in Circle"<<endl; } }; int _tmain(int argc, _TCHAR* argv[]) { Shape … |
| | I just cant get my head around it. Is there another way going through a singly linked list without using some kind of helper function? The header file wants me to implement: [CODE]size_t priority_queue::size() { /* code here */ }[/CODE] Now I just could create a helper function that has … |
 | ok lets say i have the following text T 2 X F X 2 Y G Y 1 Z Z 2 G 1 I 3 T G E F 2 I E looking at the first line t is the vertex 2 is the number of edges it has and … |
| | Hi, I'm building a clustering algorithm and need to visualize how data is distributed and relationed. For this, I'm thinking in histograms (numerical and categorical data) and scatter plots. If possible, a 3D like plot like [url]http://www.opendx.org/inaction/datamining/images/original/mci3.jpg[/url] would be nice, but is not required. I'd like to be able to … |
| | In a program I am writing, the one line of declaring an ifstream object causes the program to "crash" and a non-zero return code to be returned. Instead of pasting the full program here, I'll paste a sample program that "crashes" just the same. I put "crash" in quotations because … |
The End.