51,593 Topics
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| | (node.h) This is the code and it gives me these errors >>which confused me alot >>what are these errors ?!! and what is the problem ?!! Error 3 error C4430: missing type specifier - int assumed. Note: C++ does not support default-int 12 graph.h Error 4 error C2660: 'graph::create' : …  |
 | [Linux] Mint I wrote the following code from an SDL book I have and it seems to be building just fine but when I go to run the program I get this error -> "Launch failed, Binary not found." I used Eclipse as my IDE and the setting are adjusted … |
| | how to identify a file has virus by comparing file with virus signature in c or c++? i tried hash MD5 methods but it reads the pattern in a file whitch matches the signature pattern?  |
| | I have finally got the game running but it ends too early. I need to make the game continue until there are 4 in a row but it ends after the first turn and no disk is dropped. do { cout << "Drop a " << (player == 'R' ? … |
 | I am running into problems reading in a csv file. I have an inventory.csv file with three columns and around 10,000 rows. The last column is supposed to be ignored. The csv format looks like this Shelf number; item name; item number. (So here item number shall be ignored). After …  |
 | I have a problem of connection between two application ( with c++ builder ), the apps are working good in a local network, but aren't work in the internet, `cause both of the client and the server are in deferent routers, and each one have an internal & external IP, … |
 | please help me identify the objects,their relations (Association, aggregation and Composition) of a university ? |
| | Ok so I completed my hangman code but now I have to read the words from a .txt. I have looked at numerous codes and examples but cant get it to work at all. Any help I would be grateful. #include <iostream> #include <string> #include <vector> #include <algorithm> #include <ctime> … |
| | how can I use it ?? and how can I allocate and intialize it ???  |
| | Write a complete C++ program that reads number of employees, then initialize an array to store employee's salaries. Your program should reads the salaries from the user then add 250 as a bounce for salaries less than 5000 Saudi Riyal . they asked me to initialize an array that has … |
 | Is it valid to use an integer variable as a condition? I mean: int var = 20; if (var) { //code here } I know that when var == 0 it's equivalent to false and true if 1, but otherwise could it be a valid question? |
 | Program1 (100 points) Create a program that will display 5 options. If the user enter 1, the program should compute the square and cube compute of an input number. 2, the program should give the first n Fibonacci sequence. 3, the program will find the factorial of n. 4, the …  |
| | hey, I need to read from a file but withput using string... I tried this... // reading a text file // reading a text file #include <iostream> #include <fstream> #include <string> using namespace std; int main () { char line[120]; ifstream myfile ("example.txt"); if (myfile.is_open()) { while ( getline (myfile,line) … |
 | how to draw an inverted triangle after asking the user for the number of rows in c++ usin reursion not for loop as this code #include<stdio.h> #include <conio.h> int main() { int rows,i,j,space; printf("Enter number of rows: "); scanf("%d",&rows); for(i=rows;i>=1;--i) { for(space=0;space<rows-i;++space) printf(" "); for(j=i;j<=2*i-1;++j) printf("* "); for(j=0;j<i-1;++j) printf("* "); …  |
 | Hey everyone, I have an assignment for tomorrow and I don't have any clue about this last question. "Q5- Consider a waiting queue in a bank with customers who are issued direction slips. They are asked to move to following service terminals depending on their customer numbers being divided by …  |
| | how to create dynamic object array with over loaded constructor call plz help and tell me the syntax ... |
| | hello... I am trying to convert 2 digit numbers to words: example 11= eleven. I saw some other entries on this but they dont include case or switch so far I have: [code=cplusplus] #include <iostream> using namespace std; cout<<"Enter a two-digit number: "; cin>>number; if(number>99) { cout<<"Number out of range"; … |
| | Hi I want to create a plain c++ program which need to connect to SQL server through odbc and retrieve values and display it. I am using qt but i need it in plain C++ . can u anybody suggest the way to achieve it . and any free api … |
| | > 1) I need to make the game ask the player if they would like to play again and repeat if they choose yes. I have tried to add a loop in a few different ways but have not made any progress so far. > 2) When a letter is … |
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| | I'm trying to sort a deck with merge sort.I have all my code working except merge sort function . Any help would be really helpful ;) int temp; int br = 1; void push_l(int n); void push_r(int n); int pop_l(int &n); int pop_r(int &n); struct elem { int key; elem … |
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 | using turbo c++: write a program that converts the input dollar to its peso equivalent.Then display the peso equivalent.One dollar is approximately 45.119 pesos.  |
| | I was wondering how I would go about programming a gui toolkit from scratch. I would appreciate any and all help you could give me. |
| | I thought I'm done doing mg activity, but my professor said that we need to use a Temporary Variable for Swapping and I have no idea where to put it. Mind giving me a hand, please? :( Here is his activity: Activity: Swapping Create a program that accepts a 10-element … |
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| | Hello I write down a bank program and I have a problem. I would be happy if you can help me. So I have two types of accounts each account in a different class. first one is limited account and yhe secound is over draft account also I have class … |
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 | i did these menu class: class Menu { private: static int intID; int ID=0; bool primeiromenu=false; HMENU MenuHandle=NULL; HMENU hMenu=NULL; int menuposition=0; string strCaption=""; public: Menu(string caption="&Menu",HMENU subtmenu=NULL, HWND MainHWND=WindowMain) { intID=intID+1; ID=intID; if(caption!="-") caption=(string)caption + " " + to_string(ID); strCaption=caption; if(GetMenu(MainHWND)==NULL) hMenu = CreateMenu(); else hMenu =GetMenu(MainHWND); if (subtmenu==NULL) … |
 | what is differences between linked list and array |
 | //BlackJack // Plays a simple version of the casino style game of blackjack; 1 - 7 players #include <iostream> #include <string> #include <vector> #include <algorithm> #include <ctime> using namespace std; class Card { public: enum rank {ACE = 1, TWO , THREE , FOUR , FIVE , SIX , SEVEN … |
 | I need help with a program that reverses the letters in a word without altering its order in a sentence. Sample Input: What a sunny day Output should be: tahW a ynnus yad Thanks in advance! |
| | Simulate a patient’s lines using queues with enqueue ( ), dequeue ( ) and printQueue ( ) operations. Define a queue node in the following manner: typedef struct queueNode { int patientID; // Unique identifier; starts at 1; after 24 hours should be reset to 1 int checkupTime; // Random … |
| | Hello. I need to write a program to evaluate a definite integral with Simpson's composite rule. 1.  I know there is a Simpson's rule available in Scipy, but I really need to write it by the following scheme. 2.  , where a, b - limits of … |
| | Source File not comiled error message occures #include <iostream> #include <stdlib.h> #include <time.h> using namespace std; main(){#include <iostream> #include <stdlib.h> #include <time.h> using namespace std; main(){ //declaraing and initialization integers int secretNumber = 0, UserNum=0; int UpperRange=0 , userMaxRand=0, LowerRange=0; cout<<"My Student ID Mc140402241 "<<endl; //Prompt the user to enter … |
| | Hi Folks: I just installed Dev-C++ 4.9.7 beta 7 and compiled a simple "Hello World" console app, I get a lot of error related to iostream.h file not being found. Dev-C++ is installed in C:\Dev-Cpp\ directory, Has anyone else have had this problem. Thanks AJ |
 | //Hi i do the delivery company project,this are my members of the base class //how do i create 2 constructors in base,one for sender and one for recipient? //I did one for sender ,but visual studio does not allow me to create identical for recipient //Can some one help to … |
| | Okay so first is I am confused with the void function. It is said that void function does not return a value. If for example I have a void function that gets user input, like price and month, how do I use price and month to do another function? int … |
| | When I compile the following two programs one of them compiles and one of themse does not but I don't see a difference. The smaller program is the same only I've taken out a lot of the code so that I'm left with only the minimum that I need to …  |
| | write a 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 separately. |
| | i know move the mouse for where i want. but how can send a click message to another program? |
| | void ascending() { int i=0; const int SIZE = 20; DrinkRecord s[SIZE]; system("cls"); ifstream infile; infile.open("drinks.txt");//open your file if(!infile)//check to make sure its open before trying to initialize list items { std::cout<<"\nUnable to open file!\n"; } vector<string> list;//create your empty list while(!infile.eof())//while the input stream has not reached the end … |
| | So i have this class called Numbers and I want to be able to take in doubles or integers. I know i have to use templates but I'm confused can anyone guide me in the right direction. suppose i have private member functions set to int how can I change … |
| | Can anybody help me with my program? I can't get the example. Here's the question: Create a program that accepts an array of characters. And displays the converted array of characters into Upper case if it is given in Lowercase and vice versa. Don't use string, but char. Example: mychar … |
| | I have to write a code on c++(dev c++ actually) that counts the number of each letter,and give a percentage of using for each letter....But i don't know how put a txt during the execution,because the txt is asked to be more than 1000 words. |
| | Hi everyone. I have a very simple question to which apparently there is no easy solution (I googled a bit but haven't found any yet). How can I force Visul Studio 2013 to install on a different drive so that it doesn't eat up my C: space? In our company … |
| | I can serialize an object if it's class definition has attributes. So if I have an object whose class does not have attributes, do I serialize the attributes importedi in it's class definition? For example; suppose I have the following class, #ifndef BREAD_H #define BREAD_H #include "EGGS.h"; #include "FLOUR.h"; class … |
| | //BlackJack // Plays a simple version of the casino style game of blackjack; 1 - 7 players #include <iostream> #include <string> #include <vector> #include <algorithm> #include <ctime> using namespace std; class Card { public: enum rank {ACE = 1, TWO , THREE , FOUR , FIVE , SIX , SEVEN … |
| | I'm a newbie in programing I've got this problem after I added timer on to the my program. I can't figure out what goes wrong. I just want to chekc if the timer can run or not. #pragma comment(lib, "SDL.lib") #pragma comment(lib, "SDLmain.lib") #pragma comment(lib, "SDL_image.lib") #include "SDL/SDL.h" #include "SDL/SDL_image.h" … |
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