49,757 Topics
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| | I have a problem where I need to display a seating assignment for an airplane. It will have 13 rows and 6 columns. If the seats are empty, it should display * and if the seat is taken it should show an X. There will eventually be 3 different types … |
| | I am having a problem with my backtracking function it loops with certain data I can't write here the whole program code but can put here my function. [CODE]bool shareMoney(int quantity, int *values, int index, int moneyA, int half, bool *ifChosen) { if(moneyA == half) return true; else if(index >= … |
| | Hello, I am trying to write a program that will reverse the numbers inputted by the user. It doesn't seem to be having the desired outcome and I don't know why. Here is the code I am using, [CODE] #include <iostream> #include <conio.h> #include <string> #include <sstream> using namespace std; … |
| | I need help with this program. I do not know how I would calculate to find out the gallons as well as the cost as pictured in my output. How would you do this? Here is my output: For each student, you will get the gallon of paint Input the …  |
| | This is the function in question... What happens is the user opens notepad, if notepad is open then they are required to type a password.. If its invalid, notepad is closed.. if the password is valid, it continues.. else if the user hasn't entered a password within 10 seconds, timeout.. …  |
| | I am doing some code challenges from a book and am stumped on this particular challenge. I am supposed to pass an array to a function, use the function to determine the minimum, pass that value back to main and print a response varied by the returned value. The problem … |
 | How can I change the image on the picture box when the mouse is over the picture box I know how to end the application when the mouse is over the picture box but what is the code for changing the picture C++ (I need to use mouse enter class) … |
| | Hello! I am trying to write a program using recursive functions to identify the path to a given maze. The thing that I am confused about is how to move to the next direction in order to check which way the path goes. For example: 000000 011100 010100 010110 0S00F0 …  |
| | Hello all, So I am having trouble figuring out a runtime error I am getting in my code. Essentially I read in data and push it into two lists (using the STL list). Then I use the .sort() function to sort the data by average. However I am having a … |
 | I have just started learning Gtkmm basics, and I the box widget is doing my headache, and here is the problem: [CODE] #ifndef NEWFILE_HPP #define NEWFILE_HPP #include "gtkmm/window.h" #include "gtkmm/scrollbar.h" #include "gtkmm/adjustment.h" #include "gtkmm/box.h" #include "gtkmm/label.h" #include "gtkmm/scale.h" #include "gtkmm/togglebutton.h" class window:public Gtk::Window{ public: window(); ~window(); private: Gtk::VScrollbar bar; Gtk::Adjustment … |
| | Hello, I'm not new to C++ but I usually program in Linux. I'm currently programming in Microsoft Visual Studio 2010. I just installed the Magick++ x64 binary library. I've read the "detailed" installation instructions on what to do next but honestly I am completely lost. In the .pdf it says: … |
| | I'm writing a program that inputs the amount of money and outputs it preceded by dollar sign and divided by commas into groups of three digits I'll enter the money as string and call function called mstold()and returns an equivalent number as long double so my problem is how can …  |
| | Hi, I am a rookie coder. My goal is to incorporate the magick++ features of reading and converting different image files to an existent project. So how do I go about this? Should I download the binary installer or the source files? And what to do after that? I am … |
| | // Does anydody can help me with this program and make it work. // this is the main //Now just need to write average functions. [CODE]#include<iostream> using namespace std; // function prototypes. void getScore(); void calcAvg(); void findLowest(); int main () { int Score; //ret is for return :) another … |
| | After your program works correctly for one student, add a loop so the user can process any number of students. Prompt the user for the number of students to process; use that value to control the loop. *How do I prompt the user for the number of students to process …  |
| | I thought this program was as good as done, turns out, it's more broken than I thought! Right now I'm in a panic, since it's due tomorrow, and I have a few big problems with it. Problem 1: I need to either open an existing file, or a new one … |
 | hey, this code I wrote wont work. The 2nd and 3rd buttons wont show up in the program. [CODE] #include <windows.h> /* Declare Windows procedure */ LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM); /* Make the class name into a global variable */ char szClassName[ ] = "WindowsApp"; int WINAPI … |
| | I know how to replace part string... [code]if (linia->Contains("system_token")) {poprawka = linia->Replace( "system_token", systems );}[/code] but what should I do, If i need to replace ENTERs (linebreaks)... For example: User type in textbox [code] Hey, I am Michael [/code] The result (taken as variable) should be: [code]Hey,</br>I am</br>Michael[/code] Thx! |
| | I want to read in multiple lines from a file, but I am only able to get my program to read the first line. The program prints out two other lines but the values are zero. [CODE] double cost[3]; int lowerRange[3]; int higherRange[3]; bool active[3]; ifstream inClientFile("ad.txt", ios::in); for (int …  |
| | [CODE]int userChoice(){ int choice; cin>> choice; while (choice!=1 && choice!=2){ cout<<"that is not a valid choice please choose again "; cin>>choice;} return choice; }[/CODE] the whole point of this is that if a user doesnt enter 1 or 2 then it tells them to enter 1 or 2 and wont … |
| | [CODE=c++]#include <iostream> #include <fstream> #include <string> using namespace std; int main() { string linea; ifstream fileIn("input.txt"); ofstream fileOut("output.html",ios::out); //working with the input text if (!fileIn) cout<<"\nERROR: Unable to read the file!\n"; else { //working with the output text if (fileOut.is_open()) { fileOut << "<html xmlns=\"http://www.w3.org/1999/xhtml"; fileOut << "\" xml:lang=\"en\">" << …  |
| | Hi, its an assignment i need to do. The while loop working on well when i input an integer but when a letter is being input, the while loop run for infinity. I had seen through the other thread but still cannot understand how to do. Please help... [CODE]while(choice!=1&&choice!=2&&choice!=3&&choice!=4) {cout<<"The … |
| | I can not seem to figure out how to drop the lowest score. When I run it it says the lowest score dropped was 0. How do I fix this? [CODE]#include<iostream> #include <string> #include <cmath> using namespace std ; string getName (); int averageScores( int); void printMessage (string, int); void … |
| | So this is my first post. I looked everywhere and can't find any help. Here is the problem: Create a 2 dimensional array of integers with 3 rows and 8 columns. Fill this array with 0’s and 1’s (binary numbers) randomly. Each row represents a byte. You are to add … |
| | first off i apologize for my ignorance but i cant seem to find a clear answer to this question, if i have a function with variables in it, do those variables reset every time i call the function for example if i write code to build a game and then …  |
| | Basically If the user does not enter a string or character or press any keys after a certain length of time, program will goto or ask again.. or do whatever.. Problem: Not allowing the user to enter input.. Note accepting user input.. [CODE] #include <windows.h> #include <stdio.h> #include <iostream> using …  |
| | Hi there, I want to get the process name from the process id (pid) in C/C++ program. Please help me. I am using linux machine. |
| | Please help me solve this problem, just started c++ and I am lost, this my 1st computer class, please help Write an interactive program that prompts the user for two integers (X and Y) and a value Option) indicating an option. Depending on the value of the option, the program … |
| | Hi everyone, I made a program that will check if a process is running.. it is supposed to detect if a process is running and start a timer. If the process has been ended, the timer is paused.. when the process is restarted, the timer continues from where it last … |
| | I need to input 3 full names separated by commas Full Name 1: John, Smith, Flynn Full Name 2: Walter, Kennedy, Roberts Full Name 3: Sam, Bass, Clinton Then output it like this First Name 1: John First Name 2: Walter First Name 3: Sam Middle Name 1: Smith Middle … |
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