51,593 Topics
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| | I came across [URL="http://www.brainbashers.com/searchengineshow.asp?ref=ZESB"]this interesting puzzle[/URL]. How would you code the solution to this?  |
| | I am required to create a program that will allow user to enter employee name,age and update salary later on. After which able to generate out the details. I am trying to declare a class object in the form of an array so that i can input data and then … |
| | Hello all, I'm having difficulty with reading data from external files. I have to read two inputs from two Excel files. One is a matrix A[3][20] which is stored as a 3x5 matrix (in Excel format) in the file AData.xls and the other one is a vector dV[35] which is … |
| | Can someone take a look at my code and see if they notice something wrong. [ICODE]int score; char grade =0; // read in total score cout << endl; cout << "Enter total score (float, must be <= 100): "; cin >> score; if (score >= 85); grade = 'A'; else …  |
| | hey, this program is supposed to calculate fractions, and I feel that I have most of the code down, but I can't get past the fractions.cpp:50: error: expected primary-expression before 'char' error, its probably something misicule, but I can't get it for the life of me. The error is in … |
| | hi just a few questions, no long code this time, might help me get an answer :) . (im using borland C++ builder 2006) 1. hot to open up the default browser from the form main menu? at a pre-determined url [CODE] FILE GAME HELP ABOUT WEBSITE << what code … |
| | Someone out there please help me i must do a function for a bucket sort but i dont know how and the only things i must use are normal arrays and pointers no strange functions and libraries i need the code in c++ please i know what the program does … |
| | Hi all guys, I am using MS VC++.NET 2003 I have also installed MS VS++2005 and 2008 on the same computer. Now when I ran the previous programs which are programed in VC++2003, now I am facing the following errors. Error spawning 'link.exe' Error spawning 'cl.exe'. can any one tell …  |
| | I need to print the contents of an array backwards, but every time I try it just prints a a smiley face, or something like that. Here's the code, it isin three files: [code] main file: #include <iostream> #include "testArray.cpp" using namespace std; int main() { testArray test; char ch; … |
| | Hello, it the same old program calculator i have corrected errors that were preventing me from running the program. Now that i have done it i am facing another issue; It doesnt perform needed computations such as +-* and etc. It must be my switch fn. Any help will be …  |
| | [CODE]#include <math.h> #include <iostream> using namespace std; void instruction(); float clean (char , float ,float ); float do_next_op (char, float, float); float clean1 (char input, float num); int main() { //input char input; float accum,num; // instructions (); void instruction(); float clean (char op1, float total,float num); float clean1 (char … |
| | As I was busy inlining some of my functions, I was wondering if it is really necessary to inline anything. Doesn't the compiler automatically inline stuff, or do I have false memories? And if the compiler does inline stuff for me, would it be best to let it do its … |
| | Hello, I am writing the code for my basic calculator program and having some issues with it. I keep getting the same error, which doesn't let even let me see whether my program works. Could you please take a look at it and at least direct me in a direction? … |
 | I have a question regarding pointers to member functions, this is the first time that I have come across them and I have no idea how to write the function for it. This is the function prototype: [icode] const char* getData() const; [/icode] I understand what it is and how … |
| | [code] #include <iostream> using namespace std; int main () { int j; int t; int p; int num; cout << " Please enter an even integer greater than 2: "; cin >> num; for ( int i = 2 ; i < num; i++ ) if ( ( i == … |
| | I have just started studying C++ and am trying to write an interactive C++ program. The program should be a form of supermarket receipt. The format/sample is given below CASH 20000 [U][B]ITEM(S) PRICE[/B][/U] Soap 2000 beef 3000 cake 1500 book 2000 Bags 4000 CHANGE 7500 I have tried my best …  |
| | i have a 2D array of emp[20][10] How can i do it such that it only prints out the selected index like emp[0][0] to emp[0][10] etc. It will print around more than the selected.. [code=cplusplus] for(int i= 0; i < 20; i++) { for (int j = 0; j < … |
| | Hi, How can i delete a particular element using delete operator? Thanks  |
| | Modify the original Hero's Inventory I assignment to allow the user to create an inventory which not only holds the name of the objects obtained, but their point values as well. You will do this using a single structure, so that string names and numeric point values may be housed … |
| | I'm cryptically told nothing more then "your code is almost completely wrong" this is supposed to be a program that reads from an input file (infile.dat) one line of "programming advice" to a user. Then the user enters their own advice for the next person who runs the program to … |
| | Hi i did the simple part of my project and got it to run but now i have to add in prototypes. can someone please help bool validRadius(double); bool validLengthAndWidth(double, double); bool validBaseAnd Height(double, double); I will also create functions which will calculate the area of the various geometric objects. … |
| | Hi, I am getting the following error : test.o(11488) malloc: *** mmap(size=2097152) failed (error code=12) *** error: can't allocate region *** set a breakpoint in malloc_error_break to debug test.o(11488) malloc: *** mmap(size=2097152) failed (error code=12) *** error: can't allocate region *** set a breakpoint in malloc_error_break to debug test.o(11488) malloc: … |
| | [CODE]#include <math.h> #include <iostream> using namespace std; void instruction(); int calculator (char); void divide_by_zero (); float do_next_op (char, float, float); int main() { //input char input; float accum,num; // instructions (); void instruction(); accum = 0 ; do { //get input cout<< " : " ; cin >> input; cin … |
| | [code=cplusplus] #include <iostream> #include <fstream> #include <stdlib.h> #include <iomanip> using namespace std; int main () { ifstream inFile; //declare variables int counter = 0, //row counter countErr = 0, //counter for error message id; double grade1, grade2, grade3, grade4, gpa, cTotal1 = 0, cTotal2 = 0, cTotal3 = 0, cTotal4 … |
| | If anyone can answer [URL="http://www.programmingforums.org/thread16958.html"]my question on PFO [/URL]I'd apprecaite an answer. I don't want to repeat it here because it is somewhat lengthy. |
| | I'm writing a program wich is using an array -> startpoint[4] this array will be later filled by values from an other array. this is not the problem! the problem begins here: I have a class: computerPlayer.cpp with a method: getStartpoint() [code=cpp] int *startPoint[4]; // global variable int* computerPlayer::getStartpoint(){ int … |
| | Hello, I need to test an array of chars to see if they are numbers. I am trying isdigit() but that is not working. Does anyone know how I can do this? Here is the code, it is in three seperate files. I try to test the char in the … |
| | I'm trying to make my first base class header file and an inherited class from it. I've compared the syntax with at least two other examples that we did in class and they match, yet I'm getting a lot of errors when I try to compile. This is the code …  |
| | I am currently doing classes, but I am unable to print out my cout statements in the "elmo.modifyALL" function. I can get the other stuff to print correctly so far. This is my first time doing this kind of program, so I do not understand why I can't get cout … |
| | I have an assignment and I'm stuck. The program is supposed to read in names and test scores from a data file, compute the average, and display the letter grade. This is the code that the teacher gave us in class: [CODE=cplusplus] #include <iostream> #include <cstring> #include <iomanip> // // … |
| | I'm having trouble with a program with class. When it runs, on the screen and on the file it shows one output, the last one in the input file. It USED to work, untill I tried to get fancy and add some other code... that will be below the main … |
| | All this function is supposed to do is count each node in the queue and return the number of nodes. [code=c++] template<class SomeType> int TemplateQ<SomeType>::Size() const { int numberOfChars = 0; QueueNode<SomeType>* countPtr; if(IsEmpty) return 0; while(countPtr != rearPtr) { countPtr = frontPtr->data; numberOfChars ++; } } [/code] I am … |
| | Hi, I am trying to finish this small project of mine but I can't seem to solve the problem for a few days already. Its about an simple application on messaging and reading message between 2 phones but when I am doing it it doesn't seems to be too simple.:p …  |
| | Hi, i need to compile 1 DLL, i start a new project, MFC appWizard(DLL),i select regular dll and push finish. i want to compile this: [code=cplusplus] /********************************************************************* ** XTrap Bypass ** ********************************************************************** ** Hacking Detected ** ** ---------------- ** ** 00435FA6 EB 35 All referenced text string, 'Hacking detected' ** … |
| | The following program is a game in which there is a pile of coins. When the loop runs two players take turns removing coins. Whoever gets the last coin wins the game. ... How can I get the looping to stop when there is a winner?? Right now it still … |
| | Hello everyone, i am new in this forum and also in C++ programming. I just started learning C++ few months ago from my university then i stuck from some assignment they give me yesterday. I need to count number's occurrences from input data. This is the assignment : Enter 20 … |
| | i cant get access to a pc atm im on my psp.. for(i = 0; i < 11; i++) { triangle(i, '×'); cout << triangle < endl; } triangle is a string. ty |
| | i wrote this up but seem to have done something wrong and honestly i cant seem to find it, it compiles just fine, but when i run i get stuck in an infinite loop. my WHILE doesnt seem to be working, i know its to do with the variable STAMINA … |
 | Hello Is it possible to Create a new character in C++? and then can we use it in in other softwars like word and such programs that you can write something in them? thanks a lot.  |
| | Hi all. I am trying to overload the operator+ for a SLinkedList class I created. I would like to write [ICODE]list1 = list1 + list2;[/ICODE] and obtaining that list2 is merged into list1. I thought it was simple but it didn't worked properly. I tried to simplify the problem as … |
| | [CODE]#include <math.h> #include <iostream> using namespace std; void instruction(); int calculator (char); void divide_by_zero (); float do_next_op (char, float, float); int main() { //input char input; float accum,num; // instructions (); void intruction(); accum = 0 ; do { //get input cout<< " : " ; cin >> input; cin … |
| | I've been trying to work it out for more than 10 hours already and still can get pass this The basic skeleton is like this [code] class BST { public: .... void insert (const device & aDevice); ..... private: ..... }; class device : public BST { ..... }; [/code] … |
| | How can i grep a file using c++..? I have a file. File having a keyword. i want to get the count of that. i am tring to do int count ; count = system("grep -c keyword file1.txt"); cout << count ; /// this is giving me system command return … |
| | Hi all!! I am trying to save the subkeys and values of a key in a text file and i am not getting the result. the file created has not a recognizable name and there is nothing stored in it.. so please help me in this....thanx here is the code: … |
| | This program is supposed to read 10 integers from an input file, save the largest and smallest integer to an outfile, and compute the even and odd integers and save the sums to an outfile. (The contents of the file named input.dat are: 45 23 12 8 -67 56 87 … |
| | how do you make a node of pointer of a device? (device is just a class that i made up, i need to use pointers in LL so i can "share" one object with multiple LLs) [code] struct node { device * devicePtr; node * left, * right, * next; … |
| | I need help writing functions. In this program I need to be able to implement a number of useful functions using a header file and an implementation file. I also need to place the prototypes for my function in a .h file, and implement these functions in a .cpp file. … |
| | I am storing some data in a sting & I'm retriving it using stringstream but the problem is that it repeates last element two times.I could not understand why is this happning?Is there anyone who can help me on solving this problem? Programme code is as follows::::::::::::: [code=cplusplus] #include<iostream> #include<sstream> … |
| | I'm having problems in my "RemoveAt" function. I am trying to get a user to input a a position that represents a number they would like to remove from the array. Example below. For example: Current array.... 4,23,65,34,82,37,12,17,24,36,82,51 User input: [B]1[/B] (1 represents the position of what number will be … |
| | Is there any open source c/c++ compilers what can be debugged easily? I wanna know more info about the common knowladge about c/c++ compilers. |
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