51,593 Topics
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| | Having trouble getting the QuickSort to work in this code. I turned off the counter for now, just trying to get the sorted array to display correctly. This is the results I get from the code: This program keeps track of the number of comparisons required to to sort a … |
| | This is an assignment that i am doing for my class. Everything seem to work right expect for one code which for some reason is not outputting the account type.i am not getting any errors at all.I am input an char type not an number type. just does not seem …  |
| | Hello, I am a student attending a communintiy college in southern California. Im currently taking a course entitled, "Programming in C++.". The class book is entitled, " An Introduction to Programming C++", Sixth edition. I need, help with my homework. Our homework is to workout the exercises at the end …  |
| | The title sums it up. I need to call info off cloud based applications. Any suggestions? |
| | I want to encrypt my 128 bit string using AES encryption. example 128 bit string = "A#$RFDE%t^&jhy*i" with 128 bit key = "CDF$#%Tgfvb^%&$C" [url]http://www.cryptopp.com/[/url] Is here any help to encryption. I gone through crypto++ library. But it seem tough to understand. |
| | When reading input file into the array the last line of the input file is not read in. When i run the program everything ouputs except tea and the cost. input file: 1.45 Bacon and Egg 2.45 Muffin 0.99 French Toast 1.99 Fruit Basket 2.49 Cereal 0.69 Coffee 0.50 Tea … |
| | [CODE] case 'f': case 'F': do { cout << "Enter Finish Time (Max Start + 24h, 0-23:59): "; cin >> FinishTime; if (FinishTime > 2359) { do { cout << "Error! Invalid Finish Time Input." << endl << "Enter Finish Time (Max Start + 24h, 0-23:59): "; cin >> FinishTime; … |
| | Hey, I am writing a program that reads in text files that were generated from another program. Some of the files are able to open with no problem but others will not open unless I rename them. For example: 4_UncommonHints_10-07-2008_Ideas.txt opens fine but 5_CommonHints_10-30-2008_Ideas.txt will NOT open unless I rename … |
 | From what I have read, command line arguments are only char* separated by space. However feel compelled to ask if anyone knows of a way to get a pointer across to an executable in any fashion? The goal is to pass int *pointers for reasons of inter process communication across … |
| | hello good people I am doing indexsort of name and surename. i have some error with index in my sort2 fuction. I can not figure outwhat is wrong. can somebody give me a hint about what to do to fix it. I was also wondering if I can add a …  |
| | I am trying to find a bug in my new and (theoretically) improved syntax highlighter program. I have made 3 versions now and have been able to debug them all with ease. Unfortunately my debugger does not do well with std containers as it shows ALL the information they contain … |
 | Ancient Dragon was helpful in a way to parse argv(). It brought to mind a method that suggested to me a way to look at the prefix after finding the expected string. For example (as I interpret it) if you are looking for a prefixed command it could be a … |
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| | I wrote a function that will search a string with a substring. When the substring is found, it is replaced with another substring. The problem I have with my code is that it wont replace the substring unless it is in the beginning of the string. Here's the code and … |
| | I wrote this code for an assignment that asked to create a program that calculates and displays the average of any amount of real numbers. The program is supposed to ask the user how many numbers they want to enter and then use a loop to ask the user to … |
 | what's the problem? E:\Tools\Programming\C++ Programming\CodeBlocks\Project\Knowledge_Based_Project\Exercise_Temporary_Compiler\Exercise_Temporary_3\main.cpp||In function 'int main()':| E:\Tools\Programming\C++ Programming\CodeBlocks\Project\Knowledge_Based_Project\Exercise_Temporary_Compiler\Exercise_Temporary_3\main.cpp|36|error: invalid use of member (did you forget the '&' ?)| ||=== Build finished: 1 errors, 0 warnings ===| [CODE] #include <algorithm> #include <iomanip> #include <iostream> #include <string> #include <vector> using namespace std; int main() { // informed user cout << … |
| | Ok so, this IS a homework assignment. I'm not asking for the answer. I need help on how to get started. Any help would be greatly appreciated. The assignment is to revise some code from a previous assignment, but I'm having trouble with figuring it out. The instructions are: You … |
| | dear all!!! here is my code. when I run it "enter name and enter city "appears together. I dont understand why. please help me figure it out. thank you. #include <iostream> #include <string> using namespace std; void prompt(string name[7], char city[7]); void init(int index[7]); void sort(string name[7], int index[7]); void … |
| | [I]is any book [U]which explains what each code means and why it does[/U] that in c++, i am starting in progamming field from beginning. [/I] |
| | Here is my code: [CODE] #include <iostream> #include <string> #include <cstring> using namespace std; //() char openedP='('; //open ( char closedP=')'; //close ) //end () //dash char dash='-'; //end dash class PhoneNumber { int countryCode; int areaCode; int number; char type; int year; public: PhoneNumber() { countryCode = 43; areaCode …  |
| | I just wrote a simple code.Since it have no warnings or error attentions from the VC compiler,it TOTALLY doesn't work! What I wonder is whether the problem is due to the sequence of complying as well as how to figure it out. ------------------ Here is the code [CODE]#include<iostream> using namespace … |
| | IM HAVING PROBLEM WITH THIS PROGRAM, GOING BACK TO THE MAIN PAGE AND SELECTED PAGE, IF THE USER ANSWER NO, THE PROGRAM WILL GO BACK TO MAIN MENU IF THE USER ANSWER YES, THE PROGRAM WILL COMPUTE THE SAME PROBLEM. help PLS... THE PROGRAM BELOW WONT GO BACK TO COMPUTE … |
| | can anybody suggest me whats wrong with the code?? [code] #include<iostream> #include<string> using namespace std; void rev_str(string str,int n) { while(str[n]!='\0') rev_str(str,++n); cout<<str[n-1]; } int main() { string str="shankhs"; rev_str(str,0); return 0; } [/code] thanks |
| | Alright, this isn't actually homework. I'm going back to school so I figured I would brush up on some programming before I go. I'll be taking the second course in a three course C++ programming sequence (starts with classes, recursion, etc.), so nothing too advanced yet. I wrote this program … |
| | Hey guys, I need help recognizing multiple digit numbers that are read so that I may push said number into a stack for future evaluation For example: 22 3 + should evaluate to 25 When I input 22 3 +, my output is evaluated to 5 Any help/criticism is welcome … |
| | I'm writing some while loops but I feel like there is a better way to write them. [CODE]int i=3; while (i<31) { cout << i << " "; i+=3; } //this one is for the first 10 terms of a sequence starting with 3 and adding 3 each time. int …  |
| | What's the difference between having a const function and declaring const after the function? For example, if I had a class Myclass with some private data members and I set up a public function called int getMyValue(), what would the difference be between declaring that function as: [CODE]const int getMyValue();[/CODE] …  |
| | class class1 { //variable declaration }; class class2 { public: int func(void *msg); // others func... }; int class2::func(void *msg) { class1 *pointer = (class1 *)msg; //others declaration. } I would like to ask reagrding on this line of code : class1 *pointer = (class1 *)msg; the class declaring a … |
| | When do I really need to use Delete in Destructors? if I do Point P = new Point(); I've been told every time I use new, it stays in memory even when out of scope and that I should use delete to remove it.. so do i need to do … |
 | I have put my code in to separate classes instead of having it just inside one class. Here is my constructor, I have also included my file which defines the class (#include "Matrix.h") [CODE] Matrix::Matrix(int* m,int* n)//constructor takes two ints { M = (*m); N = (*n); this->ptr = new …  |
| | Hi all, first of all thank you to everyone who helped me out last night with my problems, now I need some help again. I have a menu and submenu system, this submenu contains information about locating a driver's location, I want to be able to do a search within … |
| | I am trying to parse main(argc, argv[]); and i need to look at individual characters with in the strings pointed to by *argv[]. I though of a string as an array of chars. This builds fine but causes an error in execution. So what is a simple and straight forward … |
| | [CODE] void command() { int CourseDistance, StartTime, FinishTime; char cmdChar = ' '; do { cout << "Command? : "; cin.get(cmdChar); switch (cmdChar) { case 'd': case 'D': cout << "Enter New Course Distance (NM): "; cin >> CourseDistance; break; case 's': case 'S': cout << "Enter New Race Start … |
| | I did not know WHERE to ask this as there is no "General" section on the site this site that I know of. Lets say I found code online but it's under the GPL 3 License.. I read it but it doesn't say that I cannot translate it from Pascal …  |
| | I want to modify this Radix sort C++ to work with strings only. I want to sort words not numbers. I don't know what to change or where to change it. Any suggestions? [CODE] // CS 9F // March 3, 2012 // Include files #include <iostream> // used for cin, … |
| | Hello, Suppose I have a chess game. I make a nice class to handle an entire player's pieces: [CODE]class c_ChessTeam { private: // all pieces derive from class c_ChessPiece c_Rook Rook[2]; c_King King; c_Queen Queen; c_Bishop Bishop[2]; c_Knight Knight[2]; c_Pawn Pawn[8]; public: . . . };[/CODE] But what if I'm … |
| | Hi everyone! =) Since my teacher can't help me out or doesn't respond when his hours say he's in his online office, I need some help. I am coding Tetris; and I have to say I'm doing a decent job so far. I just need help with constant movement. =/ … |
| | Hi: I’m looking for visually appealing, robust Help component to add to my (.NET C#) Windows form. It must have search & indexing etc and docking. Appreciate any recommendations. Thanks!  |
| | Hi ALL, Which c++ compiler is best creating graphics related project.please suggest me. thanks in advance  |
| | I am using windows 7 ultimate 32-bit edition, But when I try to run any dos screen like command prompt, c++ compiler etc. They are not going to full screen mode, Please tell me how to run my c++ compiler or any dos screen in full screen mode ……in windows …  |
| | This is a code which sorts arrays. I use clock_t to determine the processing time for my code. However, it always stacks with the time taken from before. It looks like it's just adding the results. [code] int main(int argc, char *argv[]) {unsigned long n;//size of array -- long for … |
| | Hi all, I'm having trouble will inheritance in c++. I am using a BaseNode class and deriving other node classes that can except different types of data. The problem I am running into is I can't find a way to make a decent copy function that can make an exact … |
| | Hello all. I am working with managed c++ ,cli. I am working on a large project and cannot afford to make any mistakes. In cli from what i have seen usually when i construct classes i use this ^ character to do so, like this [CODE] //header file public ref … |
| | hallo everybody, i am doing program in dev c++ 4.9.9.2,but problem is that when i run a program under one project which contains more than one programs then it gives a warning.." project is not compiled".where i am wrong..please give me solution. thank you in advance |
| | I wanted to write a program to check if string entered is a palidrome. I wrote a program but i get errors while compiling. Can anyone help me identify errors in the program. [CODE] #include<iostream> #include<string> int main(){ string input;bool flag=false; cout<<"Enter String: "; cin>>input; cout<<"You Entered "<<input; int length= … |
| | I have a program for class where I have to read a file of with names and numbers into a class of objects and dynamically allocate it. Header file [code]#include <string> #include<cstring> using namespace std; class Movie { private: string movies; float rating; double profit; public: Movie() { movies = … |
| | using circular link list by using class Class Employee { Eid integer ; Ename string; Esalary real ; Edesignation string ; } how we can do following operation: Create a link list Insert a node after a specific node with a given Eid Insert a node before a specific node … |
| | I am trying to make the heapSort function I wrote work with the heapRebuild I was given. If someone could please tell me what exactly I am doing wrong or help point me in the right direction. [CODE]void Heap::heapRebuild(int root) { // if the root is not a leaf and … |
| | Hi i have just started my c++ class and really having hard time with that.i was assigned to draw a graph which should look like dis : ***** ***** ***** ***** ***** This is what i am trying but getting only this result : ***** * * * * Please … |
| | Hello, I have a problem with a header I'm trying to make. In Main.cpp, I have this function to store the combinations of the elements of vector S: [CODE=c++]template <class T> vector<vector<T> > combinations(vector<T> S, ll k) { vector<vector<ll> > combs = ncombinations(S.size(), k); vector<vector<T> > setcomb(combs.size(), vector<T>()); for(unsigned int … |
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