49,765 Topics
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| | I got a question regarding sorting multiple strings that are entered as such, i need to sort them so that if the list would look like this, i just cant seem to get the strings to be swapped, do i need to be using strcpy? Any help would be great … |
| | I'm doing assignment. If I use getopt_long, I can't use both argument like -vo, but -verbose -open is ok. I want to use both `command -vo ~~` and command `-verbose -open ~~` WIll you help me? Thanks you. int main(int argc, char * argv[]) { using namespace std; int c; … |
 | Hi all, I'm beginner in c++, I'm trying practice on c++ basics, since few minutes I tried practice "setw" operator, I wrote this trivial program to print some data in console screen, but when I tried build it it gave me error..! [CODE]//print game names and my prefer rating in …  |
| | Hello everyone! I need to ask the user for a function say: X^5 +7 and I need to ask him separately for the value of X, so I can calculate it then. I really don't know how to store the function and then manipulate it! Thank you! |
| | I have MSCS with extensive Software Engineering education in C++. Professionally - I am linux admin, but itching to get into code development in C++. One thing I never understood - what are the entry level jobs in C++ - what do you need to be able to do, program …  |
| | Hello all I am trying to link a program using Vi for my class assignment and I am getting the following error in Vi when I try to link: Assign4.o: In function `__static_initialization_and_destruction_0(int, int)': Assign4.cpp:(.text+0x17b): undefined reference to `cCourselist::cCourselist()' collect2: ld returned 1 exit status Here is my source code: … |
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 | Hello. I'm going to create a stack of pointers to objects, and I need to implement an identifier with the best performance. Those objects are custom classes. I'm wondering what would be best for performance. Either of these two ways, or maybe a third better way?. 1) Making an std::map … |
| | hi, i'm having trouble compiling this code: SparseMatrix.h: [CODE] #ifndef SPARSE_MATRIX #define SPARSE_MATRIX #include <ostream> class SparseMatrix { //class data ... SparseMatrix operator+(const SparseMatrix& rhs) const; SparseMatrix operator*(const SparseMatrix& rhs) const; }; ostream& operator<<(ostream& out, SparseMatrix& rhs); #endif [/CODE] SparseMatrix.cpp: [CODE] #include "SparseMatrix.h" ostream& operator<<(ostream& out, SparseMatrix& rhs) { ... … |
| | hello??? can you give me a complete program about a fraction calculator??? |
| | [CODE]#include <iostream.h> #include <math.h> void main () { int n,j,q,d,h,t,i,m,f,b; cout<<" num of eng"; cin >> j; q=0; d=0; h=0; t=0; for (i=1;i<=j;i++) {cout<< "insert Salary "; cin>> m; m /(22) =d; d/(8) = h; cout<<"\n Leave "; cin>>f; cout<< "\n Attend "; cin >> b; f - b = … |
| | i want print this image out... 10 11 ___ / ()\ _|_____|_ | | === | | |_| o |_| || o || ||__*__|| |~ \___/ ~| /=\ /=\ /=\ [_] [_] [_] [CODE] #include <iostream> #include<fstream> #include<string> using namespace std; int main() { string filename; int number; cout<<"enter the …  |
| | I was just hoping to get some advice before I start writing my program, I need to put two columns of data into some sort of data structure, and each number has about 25 decimal places. Can anyone recommend the best one? Would storing them as a vector work? Thanks … |
| | In a gymnastics or diving competition each contestant`s scores is calculated by dropping the lowest scores received and then adding the remaining scores.Create a program that allows the user to enter 8 judge`s scores and outputs the points received by the contestant.Format the output with two decimal places. ( A …  |
| | i want this software rite now 4 m final year project to be linked with opnet modeler 7.0. Other version of C++ did'nt compatible with this opnet.pliz help me....tq  |
| | 1. I am new use to player/stage. I need to write a code to navigate a robot from a given position to a target position. How do I go about doing that? 2. Can I use VFH driver to do that? I dont understand how to use the following commands …  |
| | hi all, i am really stuck with c++ pointer issues. what my program is supposed to do is to take input from user and recognize whether the entered string is a valid word from the grammer S::= a|(S) hence grammer should accept words like... a, (a), ((a)),(((a))).... i have done … |
| | Hey all I'm trying to create a program that takes a predetermined number (monthly salary in this case) and rather than printing as a number it prints it as text. However when I input a number all I get is random stuff that makes no sence. I will include the …  |
| | hi i need a program that set the clock to 00:00:00 if the user not enter the clock then the program should count the time and print it on the screen until reach the user input for example: the time is 12:44:6 a.m. and the user enter 4:3:50 a.m. to … |
| | Hey, I was just wondering, but what code do you need to be able to press a few buttons on your keyboard. Like, if I want to type "Cheese is yellow on the moon!" I'll just run the program. Or if i want to do ctrl+alt+del to go to task … |
| | Hello, I have this problem that's been bothering me on the back of my head for so long now. I don't know how to pursue or even break it down, I've tried reading the book, look at notes, nothing helps. Problem is, I have this file which contains /* Nitrite … |
| | is cyclic hashing possible?? ie., consider an array of size 5.. hence the index would be form 0 to 4... so if we insert 53,63(takin the function as value mod size of the array) the index 3 and 4 would be filled up...and when we insert some 54 again an … |
| | Hey guys, I recently wrote a C++ program for a company I'm doing an internship with that asks the user for the location of .txt files and then the program opens each .txt file, gets the necessary information from each files, then outputs the information to a .txt file that … |
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| | Hi, I'm just wondering if there is a good place where I can find some tree implementations for c++ (Splay trees and Heaps, in particular). Any input on resources where there is source code for different tree implementations would be appreciated, as I don't have the time to write one … |
| | please chk my code. it works well but is its logic correct? Statement: Suppose we have a class named as Train it has two constructors, two methods, and a single attribute each of which described as follows:· One attribute:maxSpeed – an int value representing the maximum speed of the Train … |
| | I've worked on it for a few days. It works great when I comment out the erase function. But it doesn't work when I include the erase function, which I use to remove an element in the playlist vector of type Songs. Here's the else if statement. The problem is …  |
| | I was writing a function to dump the contents of a 'matrix' in a vector-of-vectors to cout when I ran across conceptual difficulties. Here's the code of the working function: [code=c++] #include <iostream> #include <vector> using namespace std; void output_string_matrix(const vector<vector<string> >& matrix) { vector<vector<string> >::const_iterator rows_itr; vector<string>::const_iterator cols_itr; for … |
| | I have a size_changed event in my Form that did cause a MessageBox with the below message. It says that can enable "just-in-time (JIT) debugging" but are not sure how to do this. I cant find: machine.config... [B][U]MessageBox Error:[/U][/B] To enable just-in-time (JIT) debugging, the .config file for this application …  |
| | I need help with this problem. I have tried writting the program, i just can not get it to run properly. Problem is: Create a function named 'circle_area' that will find the area of a circle. This function should have the following prototype: float circle_area(float radius) circle_area should return PI*r^2. …  |
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