49,766 Topics
 | |
| | I'm trying to create a program where I want to generate all permutations [1,2,3,4] and I recursively generate all the permutations of [1,2,3]: [1,2,3], [1,3,2], [2,1,3], [2,3,1], [3,1,2], [3,2,1] and then put 4 back into the sequence of numbers. For example, with [1,2,3], we get [4,1,2,3], [1,4,2,3], [1,2,4,3], and [1,2,3,4]. … |
| | I just learned C++ style casting and the 4 types of casts. I'm not sure if I'm abusing it though. Examples: typedef long (*stringFromString)(int, char*) __cdecl; //TO: typedef long static_cast<*stringFromString>((int, char*)) __cdecl; SmartSetup((char*)World.c_str(), (char*)",f5", 765, 503,(char*)""); //TO: SmartSetup(static_cast<char*>(World.c_str()), static_cast<char*>(",f5"), 765, 503, static_cast<char*>("")); memcpy(&INH, (void*)((DWORD)Buffer + IDH.e_lfanew), sizeof(INH)); TO: memcpy(&INH, static_cast<void*>(static_cast<DWORD>(Buffer) …  |
| | I have just came across a class for the first time ever that does not have variables in any of it's declarations but has them in the implementation. Why is this class behaviour allowed? What are the benefits of not putting variable names? class Testing { public: Testing(int, int, int); …  |
 | #include<iostream.h> #include<conio.h> int lg, a; void gi() { cout<< "Enter Lowest Grade:"; cin>>lg; cout<< "Enter Average:"; cin>>a; clrscr(); } void display() { cout<< "Lowest Grade:"<<lg<<"\n"; cout<< "Average Grade:"<<a<<"\n"; } void eval() { char ch; if(lg>=85 && a>=92) cout<<"Remarks: Full SCHOLAR"; if(lg>=85 && a>=90 && a<=91.99) cout<<"Remarks: Half SCHOLAR"; if(lg>=80 && … |
| | *i like to study c programming from its basis to full., any website for c tutorial with simple and full contents? i search in google but no get a good site.*  |
| | I am having problems with my code. I think it is the print function, but I'm not sure. Everything compiles correctly. Just no output. Any help is appreciated. Thanks Here is what I have: #include <iostream> using namespace std; struct node* tree = NULL; struct node { int data; struct … |
 | Hello, I'm currently working on a project that basically reads some text and then performs basic Lexical Analysis on the text. I'm having a slight problem with overloading methods. So for example, I have a method that can read in the words from a txt file and another method which … |
| | Good Afternoon, I'm having problems with my school assignment that is about a loan program. Here are the details what the program needs to do. You are required to write a loan program for the Rio Grande Bank. This program will print an amortization table for a loan, given the … |
 | I am new at coding. I wanted to read from a file(text) and then write it to another file many times so that the file I write to becomes as large as 20MB..I read Harry Potter book for that....the code works just fine for 1000 lines etc..the file is read … |
| | I have an error called Unexpected Token 'class', did you forget a ;? I have no clue what is going on. Maybe you guys can help me out. The codes name is Player.h. The error is on line 9. #ifndef PLAYER_H #define PLAYER_H #include "Weapon.h" #include "Armor.h" #include "Monster.h" #include … |
| | Hello i am using a web browser control in my program with ms visual. I use the web browsers internal functions to do things like, cut, copy, select, CreateLink....It looks like this. this->webBrowserBody->Document->ExecCommand("CreateLink", false, nullptr); ............ Ok, that will bring up and insert link dialog. The dialogs are blank in … |
| | **Dudearoo** *Useing Code::Blocks* Hey you guys! ive got a problem with a 'test' program i have made for saveing strings. heres the code: #include <iostream> #include <cstdlib> #include <stdio.h> #include <time.h> #include <conio.h> #include <stdlib.h> #include <iomanip> #include <windows.h> #include <fstream> using namespace std; int main() { ofstream myfile ("savefile.txt", … |
 | I'M working my way through a C++ book and now I'M doing a card deck program. Here's the line I'M having trouble with. r = card % 13; // r = random 0 to 12 card in this case is just a random int number from 0 to 51. 52 …  |
| | I would like to use an unsigned integer type for indexing a vector, but I want to use the best and optimal on every platform. How to implemet?  |
| | I think this has something to do with process scheduling. (1st process) Start 0// starts at 0ms Run 10 // runs for 10 ms Disk 0 // no idea what this does, but it takes 10 ms Run 30 // run 30 ms End // terminates (2nd process) Start 5 … |
| | Okay, its been a while since my last visit here..and yes I need your help with C++ Programming... My grades were fine so that's all thanks to you guys....so here's my next question.... What is wrong with my code? My exponent displays a wrong number... I used a for loop … |
| | #include <Stdafx.h> #include <iostream> #include <stdlib.h> #include <time.h> #include <math.h> using namespace std; int rand_0toN1(int n); int hits[10]; int main() { int n; int i; int r; srand( static_cast<unsigned int>(time(NULL))); // set seed for random numbers cout<< "Enter number of trials to run "; cout<< "and press ENTER: "; cin>> … |
| | I'm trying to write a simple linked list program. The header files are compiling successfully, but when I try to compile my driver program to test the program, I'm getting an error. Here's my driver program: #include <iostream> #include "Node.h" #include "List.h" using namespace std; template <typename T> void fill(List … |
 | Hi, I need a program to search all lines of a file (a whole file) for a certain string. In my concrete case, I need it for login. Let me sum all of this up, so you get the whole overall point of what I have so far: - a …  |
| | I'm trying to access the pixel colors from a image file but can't seem to get it to work properly, my program is only accessing the pixel colors from my active window. I've been stuck on this for a few days and would really appreciate any help. I'm guessing i … |
| | hi everyone, I am trying to initialize array in main method, and insert value in array in another method named "popArr()", in last print array in "printArr()" method. But its not working and i am getting errors. The environment i am using borland c++. The code is as follows. #include … |
 | Here is the code first: People.cpp #include "People.h" #include "Birthday.h" #include<string> #include<iostream> using namespace std; People::People(string x, Birthday bo) : name(x), birth(bo) { } void People::People() { cout << name << "was born on" << birth.printDate(); } People.h #ifndef PEOPLE_H #define PEOPLE_H #include<string> #include "Birthday.h" class People { public: People(string … |
| | Hi! Created application is working toooo slow, looks like there are a lot of memory leaks, there are a lot of pointers. So, please, can you advice some effective tool for run-time errors and memory leaks detection in Visual Studio C++?  |
| | Dear friends: i have a data file, the structure of the file is as follows: // data.txt $Elements 1 1 2.5 2 2 1.0 2.0 3 2 3.0 4.0 4 4 1.0 3.2 2.7 1.6 $EndElements In the data.txt, the fisrt column is the row number, and the second column … |
| | how can i make an array inside by a function????? so that the value i will input will change.... I am using Borland C++..... how can i start it???? 1. [SOLO] Write a program that uses a two-dimensional array to store the highest and lowest temperatures for each month of … |
| | This program ask user which arithmetic operation they want to play with then generates a random equation and lets the user answer it. When the user stop playing the game the program calculates the number of correct and answers and wrong answers. I need some help because the program crashes … |
| | Good Afternoon, I'm getting this errors on the program: warning C4244: 'argument' : conversion from 'double' to 'const int', possible loss of data warning C4244: 'argument' : conversion from 'double' to 'const int', possible loss of data warning C4244: 'argument' : conversion from 'double' to 'const int', possible loss of …  |
| | Ive just recently switched to visual studio c++ express. I am Creating some shapes with dx9 and i came upon this problem with my indices: error C2064: term does not evaluate to a function taking 24 arguments here is the code where i am getting the error: [ICODE]short indices[100]; indices[100] … |
 | Hi, I need little help with using MediaPlayer from System tab in Borland Builder 6 for C++. Does anyone know what member function of MediaPlayer returns bool variable which tells us is music currently being played or not? I have seen solution for this problem where we use Timer which … |
| | Hey guys, So I really need help writing a c++ program that is supposed to read in values for Red Green and Blue colors between 0 and 255, and then use a different function to convert them to Cyan Magenta Yellow and blacK color using set formulas. 1. Write a … |
The End.