51,593 Topics
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| | Hi everyone. This is my first post . I develop this program in C-Free 4.0 with <iostream> header... And it working [CODE] #include <iostream> #include <cstdlib> #include <iomanip> #include <ctime> using namespace std; int main () { int random_num; srand((unsigned)time(0)); bool assigned_players[32]; for (int i=0;i<32;i++) assigned_players[i] = false; int n=32; … |
| | I'm doing a code in which a user inputs a word and then I have to output the word backwards, but for some reason, the black screen disappears when I enter the word...here's my code: [CODE] #include <iostream> #include <string> using namespace std; int main() { string word,backwards; int numchars=0; …  |
| | Does anyone know where I can find info on setting up dll files to be called by a program? I am about to start a project but I realized it would be helpful if the finished program could be ran without a compiler on every computer it is to be … |
| | hii frndz i m making a project on hospital management in c# with the help of ado.net in that i have made form of 'daily patient record' in which i take values room charges,test charges,dr. visit charges now i want when i insert value in roomcharges of a patient it …  |
| | We've just started I/O streams and i need some help with my prjct. Here is the lab: "Write a program that gives and takes advice on program writing. The program starts by writing a piece of advice to the screen and asking the user to type a different piece of … |
| | my code is supposed to read in a binary file and then save the input to a text file. when i cout << coach[i] i get the output and jibberish [CODE]#include <iostream> #include <string> #include <cctype> #include <fstream> #include <cstdlib> using namespace std; int main() { char coach[500]; int i=0; … |
| | I built a program that is supposed to read in a data file that looks like this for example: 1 2 3 4 5 6 2 3 4 9 8 7 1 6 5 7 4 2 1 3 4 5 6 7 2 5 7 8 3 1 3 …  |
| | So I'm somewhat new to programming and I have a assignment in which I have to verify if the numerator entered by the user is a decimal, instead of a integer. If it is, then I throw an exception...the thing is I don't really know how to do it because … |
| | This is seg faulting whenever I try to remove anything. I've been trying to fix it for hours, to no avail. Any ideas? [CODE]#ifndef BST_H_ #define BST_H_ #include <stdexcept> #include <iostream> #include "btnode.h" using namespace std; /* A class to represent a templated binary search tree. */ template <typename T> … |
| | Hey, I'm in the process of writing an email header analyzer in C# and i'm stuck on something. Before i go into the problem i think i should write an intro on what i'm looking to achieve. I basically want a program that can read through headers and copy some … |
| | Hi everyone, I have to create 16 separate files for 16 nodes and write something in it. Is there any way in which i do not have to separately create sixteen files. //// sompe part of code which i am using [CODE] file2.open("Node0.txt");//Node0.txt is the file of ofstream type { … |
| | Right basic question - I downloaded these source files, however there is no visual studio project file (sln) - how do I compile these in visual studio? [url]http://img146.imageshack.us/img146/5796/sourceu.jpg[/url] |
| | Hey guys! I'm trying to write a recursive function to take a number in binary form and change it to decimal. As of now I am having the dumbest problem. I can't seem to take 2 to a variable power. This is probably something so basic but I'm drawing a … |
| | Dear fellow programmers, I had tried and successfuly created JVM and used JNI from C++ executable. But when I change my C++ executable into a shared library (.so, in UNIX) like this [CODE] extern "C" int callFromFakeSID(char* name) { JNIEnv *env; JavaVM * jvm; env = UART_Display_Java::create_vm(&jvm); if (env == … |
| | Vista doesn't support full screen mode while operating Turbo C++,and its also doesn't support graphics(bgi) while operating it. Is here any idea to run Turbo C++ with graphics in vista? |
| | I want to get only y and n from user to enter when user try to enter another it get the input again until user enter "y" or "n" i use this logic but its not working [CODE] do { cout<<"\n\n Enter Number: "; number=getche(); cout<<"\n Want to enter another:(y/n)"; … |
| | I'm supposed to create a program that takes a input file and goes through it and outputs it into a index file and counts the number of times a word appeared. It is only supposed to do words that are 3 letters or longer and I can't figure out how … |
| | I am getting an Error stating canot convert string to Char type code is as follows [code] /* Jonathan Thomas ITSE 2421 intro to object C++ begin sudo code: function takes in string variable called "verb" function uses string function verb.length to determine length of string assigns value to size … |
| | My goal is to implement a sorting into a linked list. I have everything working thus far, but I'm a bit stumped as to how I need to change my insert function in order for an element to be placed in the appropriate location. Here's my code thus far: [CODE] … |
| | IS THERE ANYONE OUT THERE THAT KNOWS HOW TO WRITE TO A FILE'S LINE, WITHOUT CHANGING OR DELETING ANY OF THE OTHER LINES FOR EXAMPLE IF A LINE SAYS Status: Show and i want it to change that line to Status: James plz help |
| | My program is supposed to essentially be something like Wheel of Fortune. As long as the user guesses letters that aren't in the word, the program behaves properly. But, when the user inputs a letter that IS in the word, the program stops and doesn't continue at all. [code] #include … |
| | I am trying to write a program that has a .txt file. It includes 4 names, 4 pay rates and the hours they worked. I have to use the file and import the data and make a program that outputs each worker their pay rate, hours they worked and their … |
| | Im teaching myself the Win32 API, so im messing around learning functions and what not. So how do I change the text on the button if it is clicked? I cant figure it out. Thanks [code] #include <windows.h> LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam); const int … |
 | I had my code working properly, but once I added my last array, it goes through the compile and then errors out....and I'm not quite sure why.... [code] #include <iostream> #include <fstream> #include <cstdlib> #include <cmath> using namespace std; int main() { double num[100], sum, count, newnum[100]; int j,i; ifstream … |
 | Hi all im after a piece of code that allows the user to enter a fraction e.g 1/4 and have the code split that fraction into 2 seperate variables, e.g variable 1 containing the '1' variable 2 cantaining the '4' How would i achive this? My objective is to make … |
 | There's a simple question? how to print the size of a variable without using functions like sizeof() ? for example if you were asked to write a program that prints size of int without using sizeof() with a resault as below: cout<<sizeof(int); |
| | I am trying to read a file into an array and set the min and max values. At this point in my program, I am trying to just read it into an array and then display that array. I still have more to do in the program, but I am … |
| | Ok so this is my code below in my member function definition .cpp file. The problem is when I execute the program it will not let me fill the answer for the first question so for example the output is: Please enter the name of the receiver: Please enter the … |
| | Hey guys for my assignment i have to write a program which checks the information inside a text file to make sure it is all integers and then convert the integers to roman Numerals. My program seems to have a bit of a problem and im not sure where exactly … |
| | Hi mates :) recently I did this code: [CODE]#include <iostream> #include <windows.h> #include <string> using namespace std; int main() { int check = 1; string dir; string dir2; string name; cout << "Which directory is the file located?\n"; getline(cin, dir); cout << "\nWhere you wanna move it to which directory?\n"; … |
| | Trying to write strcat function, kindly review the code and post the comments.[code]char* mystrcat(char* dest,const char* src) { char* ptr; ptr = dest; while(*dest++ != NULL); dest--; while(*dest++ = *src++); return ptr; }[/code]  |
| | hello! i've just tried out lists in c++, but they're giving me some kind of problem. it has something to do with iterators but i'm pretty sure i'm using them the right way. anyway, here is the code: [CODE] #include <list> #include <iostream> int main(int argc, char* argv[]) { std::list<int* … |
 | [CODE] HKEY hkey; DWORD nSubKeys = 0; TCHAR name[MAX_PATH]; DWORD size = sizeof(name); FILETIME filetime; if(RegOpenKeyEx(HKEY_CURRENT_USER , "Software" , 0 , KEY_QUERY_VALUE , &hkey) == ERROR_SUCCESS) { if(RegQueryInfoKey(hkey , 0 , 0 , 0 , &nSubKeys , 0 , 0 , 0 , 0 , 0 , 0 , &filetime) … |
| | at the moment i have 2 answers to queations and the answers are 1,2,3 or 4 but i ow have to make it so the user has to put a work in like "Brazil" but i try to do the same as if the user puts "A" in and it …  |
| | I know I'm going to be bashed at for this, just please read at least this much before you start yelling at me to read the faq or thousands of other posts online. Im having a problem clear screening for my school work since my teacher has a fetish for … |
 | Hello, I am trying to make a calculator that does multiplication, division, addition and subtraction. My problem is that when I have the two numbers that have decimals it goes wonky. Anyway, that program runs like this: 1. User enters equation 2. Unwanted characters get thrown out 3. If operation … |
| | Any forward error correction (FEC) implementation in C++? i need it for my project. i converted character into ascii value then converting them into binary values.now i need to append error correcting bits. i m doing my project in vc++. following is part of my code: [CODE]array< array< int >^ … |
| | [code=c] #include<iostream> #include <string> #include <sstream> using namespace std; int main(){ int i=0, ii = 0, x; string input; //command to prompt user for amount of movies cout<< "How many movies do you want to add? "; getline(cin,input); //end command to prompt user for amount of movies //set up loop … |
 | Binary Search tree help Can somebody explain to me what this code is doing step by step?, thanks [CODE=Java] TREE-SUCCESSOR(x) 1 if right[x] ≠ NIL 2 then return TREE-MINIMUM (right[x]) 3 y ← p[x] 4 while y ≠ NIL and x = right[y] 5 do x ← y 6 y … |
| | hi, can anyone help me with my code, any help will be much appreciated. The design should follow object oriented principles and use the UML tools. It should be a board game based on a “Monopoly-style” board made of 36 squares. The game is for two players who first enter … |
| | Hi everybody! Sorry for my bad english! I have a matrix of integers with a maximum length 6 digits. I must to write program, that checks whether a number is found in the section above the main secondary diagonal of this matrix. I'm beginner in C + + and I … |
 | Hello. I have been working on this program for some time, and it appears that I now have only one error (1 error 4 times). I will greatly appreciate it if someone could show me how to fix this error. Here are my errors: (phonebook.cpp is at the very bottom … |
| | Hello i am a new member of this and i was trying to include a matrix effect similar to the one at the beginning of the movie and it involves using the iostream header file, is there any replacement for this file cuz i tried using ios, and iostream and …  |
| | Why does seekg() work only in the first iteration, while in the second iteration it doesn't.?However I used it in previous cases and it worked perfectly. And yes, I'm using clear(), but still nothing shows up after the first iteration (the iteration of the big while loop that encloses this … |
| | I have to read lines from a text file and reformat them so that the first letter is uppercase and the rest are lowercase. I did that with no problem. also i needed to count the total words in the file, and did that easily.,but i also need to count … |
| | [code] //declared my vector as vector<candidate> vecList; //pretty standard stuff //do some looping, gather info vecList.push_back(candidate(name,voteCount)); [/code] candidate is my class name. So instead of passing an object to push_back, I pass my class name using an overloaded construtor and it works just fine. Upon further investigation, I used an … |
| | Can anyone help me - The screen never pauses or stays put (after the end while) for the last 3 lines of code to display and the line right above the end while -totalinterestpd is not being written to the outfile I'm stumped. [CODE]while (MonthlyPayment <= LoanAmt) { MonthlyInterest = … |
| | [code]#include <iostream> #include <iomanip> #include <string> #include <ios> using std::string; using std::streamsize; using std::setprecision; using namespace std; int main() { double Ib,I,V,P,F,pf,In; unsigned short int type; cout<<"Please select the type of power supply\n";//Allows the user to choose between single or three phase cin>>type; switch(type) { case 1:cout<<"You have chosen a … |
| | source: [url]http://www.tamirgal.com/blog/page/SharpSSH.aspx[/url] Hi, This must be some basic C++ I am missing out of how to declare an instance ? I am trying to create an instance of a SFTP. I have added the .DLL file into my project and added the namespace. Sftp is found as a class in …  |
| | I know this has been asked before, but none of the threads I found helped me much. I am a beginner at C++ programming and need help figuring out why this doesn't work. [B]Question[/B]: e^x can be approximated by sum 1 + x + x^2/2! + x^3/3 + ... + … |
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