51,593 Topics
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| | PROBLEM DESCRIPTION A battalion is a military unit with 300 to 1200 soldiers usually consisting of seven companies commanded either by a lieutenant colonel or a colonel. A particular training that a battalion undergoes is the training to maximize the battalion's "carrying capacity" whenever they are to carry cargoes from … |
| | Write a program to read the coefficients of a series of quadratic equations from a text file and print the associated roots, or appropriate errors if there are no real roots, to another text file. The coefficients of a quadratic are the a, b and c of an expression of … |
| | class name { char *s; int len; public: name(){ // Default constr. s=NULL; len =0; } //************************************************** ~name(){ // Destruct. if (s!=NULL){ delete [] s; s=NULL; } } //************************************************* name(const char * s1); // Constr. char* getName(); //fcn get name int getLen() ; // fcn get lenght void setName(const char …  |
 | I'm working on a project that generates roughly between 13x512 values in which I compare at run-time. So the program outflow will be sort of as follows: - Program executes - Extracts (1) 12x512 - Extracts (2) 12x512 - Compares (1) to (2) - Extract (3) - Compares (3) to … |
| | Dear Friends: I need some help to identify the error. When I compile my application I get the following error message: Error 1 error C2678: binary '==' : no operator found which takes a left-hand operand of type 'extPersonType' (or there is no acceptable conversion) f:\college material\cs270\sourcecode\addressbook\addressbook\arrayListType.h 251 1 AddressBook … |
| | The simplest way is now friends with this command when running this sample compiled #include <stdio.h> #include "fcgi_stdio.h" int main(int argc, char *argv[]) { while(FCGI_Accept() >= 0) { printf("Content-Type: text/html; charset=UTF-8"); printf("<center><br><br>Hello World Wide Web</center>"); } return 0; } **operation type:** cgi-fcgi -start -connect localhost:9000 ./hello After you run this … |
| | Please i got a problem linking my .cpp files together in my c++ project. I dnt knw how to specify the file path for #include . Please any help? |
 | Hi everyone! I would like to know how to show my Form21 from a click on a button in Form1 I used this code here: #include "Form21.h" /// Form21 ^maForm2 = gcnew Form21(); maForm21->Show(); I do not know why it does not work yet I found it in FAQC + …  |
| | I wish to store an integer wid a 1000 digits for a program in C++.Please suggest me a datatype i should use.I'm using a 64 bit computer but the dev c++ i'm using is 32 bit. |
| | Hi everyone! I have a datagridview and I want to automatically fill it Let me explain: I have a matrix (gainMatrix) and I want to fill my datagridview by the latter, here is a piece of code that I use for filling: for (int i =0; i <ala.size(); i++ ) … |
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 | Write a program that displays the outline of a box five characters wide and five characters tall. Use the ‘*’ character for the box outline. here are my codes: #include <stdio.h> #include <stdlib.h> int main() { printf("%c\v", '*'); printf("%c\v", '*'); printf("%c\v", '*'); printf("%c\v", '*'); printf("%c\n", '*'); printf("%c%8c\n", '*','*'); printf("%c%8c\n", '*','*'); … |
| | Write a program to calculate the estimated journey time of a train. The program should request and read the distance in miles and the average speed in miles per hour, and display the estimated journey time in hours and minutes to the nearest minute. Test your program with: a) Distance … |
| | how do we build our own string functions from scratch and not use the built in functions from the String class and a function to open and close a file given its name. then, check whether or not the file exists. It should read an opened file into an array …  |
| | Hey, I want to EnumProcess , Then HANDLE with exactly process to read the memory of it any help? |
| | Hi guys, I am creating a 2D casual game and i encounter a problem. The problem is that I have a highscore features that saves to a text file by storing the name and score Now i wanted it to sort using bubblesort and structures. How can i achieve that? …  |
| | I was just introduced to a topic of arrays but i just want you to kindly give me an intoroduction to ARRAYS,what are arrays/  |
 | #include<fstream.h> #include<conio.h> #include<string.h> #include<stdio.h> void main() { clrscr(); ofstream fout("a"); fout<<5<<"\n"<<3<<"\n"<<2<<"\n"<<4<<"\n"<<1; fout.close(); ifstream fin("a"); int i,j,k,l=0,m,n,o; while(fin) { fin>>i; l++; } l--; fin.close(); fstream fin1("a",ios::ate,ios::in); fin1.seekg(0); for(i=0;i<l-1;i++) { for(j=0;j<l-i-1;j++) { o=fin.tellg(); fin1>>m; fin1>>n; if(m>n) { fin1.seekg(o); fin1<<n; fin1<<m; fin1.seekg(o+1); } } } } //file sorting is not working if anyone … |
 | **Problem Statement** During the tax season, L&T Accounting Firm provides assistance to people who want to prepare their own tax returns. The company only services personal (individual) taxpayers. Your task is to write a program to do the tax calculation for each of the personal clients. Your program should get …  |
| | Write a program to read the coefficients of a series of quadratic equations from a text file and print the associated roots, or appropriate errors if there are no real roots, to another text file. The coefficients of a quadratic are the a, b and c of an expression of …  |
| | Hello guys could anyone explain what is the point in: #define DEBUG and #define NDEBUG? when should we use them and how?? I'd like to see some examples any help is highly appreciated |
| | Hi guys, im new to these forums and new to C++. I love games (mainly RPG's) so I figured I would learn C++ by making a little text based RPG. Anyways, I read through a few tutorials and an olc C++ for dummies book and this is what I cam … |
 | **hi! i need help on fixing this program i made it seems that i can't let it run. Can someone give me some advice on what errors i have made and how i can fix it. thanks ** #include <iostream.h> #include <conio.h> void main () { int i; int j; …  |
| | write a program that simulates the energy use of a house hold based on mainly the geyser's energy consumption. This is the first in a series of assignments improving on the model for this simulation. As a simple model the yearly consumption is based on a sinusoidal function approximating annual … |
 | http://ideone.com/H7YIwR Here's my code to find palindrome in string..But surely it's too slow..Is there any good algorithms for such problems..And for some cases it's not giving the right answer.Thanks for the help. |
| | Actually, I have learnt C++ much till now . Atleast which i need for my work purposes. I have thought of a project-- desktop calculator. I want to have all these functionalities in it. 1. mathematical functions, 2. prime number checker(will apply primality checking algos), 3. all error handlers (zero …  |
 | I get the following errors with my code when using nmake input.c(375) : error C2065: 'ulong' : undeclared identifier input.c(375) : error C2146: syntax error : missing ';' before identifier 'datelo' input.c(375) : error C2065: 'datelo' : undeclared identifier input.c(376) : error C2146: syntax error : missing ';' before identifier …  |
| | Hello all, It has been a while but I'm on the right path - finally. So basically I am writing a very special application for a loved one. I have many great ideas but simply put I am struggling with I/O stream, it is very possible that I should research … |
| | This is an assingment i've been working on but since this is a merge between two previous developments i need a little help solving my issue here that would be highly appreciated. In a nutshell what this program needs to do is recieve a .txt file create a vector holding … |
| | Can u plx help me to display the score with each correct answer in Jumble word game in C++ and Gwin here is so far upto where i have gone #include"gwin.h" #include <iostream> #include <string> #include <fstream> #include <time.h> using namespace std; using namespace GwinColourNames; int main() { GWindow Gwin(500,400); …  |
 | Make a program that would count and add numbers which either one of the remainders when divided by 2 given divisors is equal to remainder searched. The program should accept 5 numbers to be divided by the 3 entered divisor. Sample Output: Enter divisors : 2 4 Enter remainder to … |
| | I have a simple program that is suppose to read character by character from a file, then if a counter reached a certain limit, it will print those characters in hex format and continue reading the next character from file: Here is my code, but it isnt working correctly, instead … |
| | what is the logic to count number of objects created implicitly and explicitly inside the same program..Please help. |
| | iam trying to optimize a code i want to run code for arm_no=1000, its running for 100 arms but further increasing causes segmentation fault core dumped. to run the code use $ g++ Epsilon_greed.cpp -lm `gsl-config --libs` $ ./a.out but you'll have to install libgsl0 i.e gnu scientific library. #include<stdio.h> … |
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 | is this is the correct way 2 write destructor of copy constructor and parameterised constructor ~a(int x,float y) ~a(a &a1)  |
| | **I am new in Visual C++ 2008. here is a project which is alredy developed and this time under maintence. In this project there are 5 projects which one one project is depend on another example a,b,c,d,e are 5 projects and b depends on a,c depends on b i.e --a-->b-->c-->d-->e. …  |
 | fstream f; char ch; int i=0; string word,word2[200]; f.open("op3_sort.txt",ios::in|ios::out); if(!f) cout<<"\nUnable To Open File!\n"; else { cout<<"\nLet's View D Content!\n"; while(!f.eof()) { getline(f,word,'\t'); word2[i]=word; i++; cout<<word2[i]; } } cout<<"\nShowing Data Now\n"; for(int a=0; a<i; a++) { cout<<endl; cout<<word2[a]; } |
| | Hi everyone! I would like to know how to create a xml file and display it in a fixed location other than the console, I have successfuly create and display it in the console, what I want is to display in the following location C: \ Users \ abdelhalim \ … |
| | We are able to capture the whole packet hex values. The issue now from the hex values we want to dissect the level 3 protocol, application level protocol and also if the url value is present in the packet. How best to achieve this in C? |
| | hi! i want to concatenate a string with an integer that's why i used this code : ++k; char f[50]; sprintf(f,"%d",k); strcat ( f,"N"); but what i got is this ( for example :**1N**) and what i want is some thing like this : **N1** Could you please help me … |
 | I can not get a sum from a function and return to main to check whether the sum is greater than the money added in and input more money. int vending::MakeSelection(int ItemPrice[], int NumItems[], int sum){ int response; do{ cout << "Item:"; cin >> response; if(response == 1){ for(int i … |
 | I've got a problem understanding inheritance. #include <iostream.h> class A { public: int x; }; class S1: public A { public: int x; }; class S2: public S1 { public: int x; }; int main() { S2 obj; cout << obj.x; return 0; } In the code above, I basically … |
| | Here is my assignment. I would like someone to walk thru some of this with me if you have time today. This is my last assignment and I just dont understand parallel arrays and how to recall information. If someone could help me get started that would be a big … |
| | I am getting garbage values for this program.. Please help. /* =============== == Program 8 == =============== Q. Write a program to enter and print student's details (Personal, Academics and Skills) using multiple inheritance */ #include <iostream.h> #include <string.h> #include <stdio.h> #include <conio.h> class skills { public: char hobby[]; char … |
| | I've a text file : Random.txt which comprises of Jade 12MS234 Male 18 Rocky 12MS324 Male 18 Marx 12MS632 Male 18 Now in my program i've a class class stud ( char name[10] char reg[10] char gender[10] int age ) Now I've to write a code in c++, where i've … |
| | Hi! I have written a code to subtract 2 large integers stored in arrays! But the problem is, its not working when the minuend is smaller than the subtrahend, i.e, when the answer would be negative. I am taking 2 char arrays as parameters, converting them to int arrays, working … |
| | How to compute current ratio in C++ with using header file? Calculate in c++ program with *3* different file. **- 2 file (cpp file) - 1 file (header file)** Information: formula---> **Current ratio = current asset / current liabilities** Please correct me If I'm wrong. I just start study C++ … |
| | Hi everyone.. :), me again. I've never used Linked Lists.. They don't make sense to me. I kind of understand them though. There's plently of online explanations explaining what they are but they all go down the same path. I'm trying to undertstand how one Note (via the next pointer) … |
| | I'm attempting to implement the Factory Pattern. I have a class called "Window" which has a class member function which determines which object is being called and then assigns the particular object pointer. I have written the following code: class Hamming { public: Hamming() { } Hamming(int theSize) { // … |
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