49,757 Topics
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 | This is my solution for generating prime numbers. With this code hopefully you can generate prime numbers with incredible speed. The generated numbers will be stored in a text file titled as "Primes.txt". I have a dual core machine, but this program does not support dual core architecture, so it … |
| | I am working on a phonebook application and I am having trouble implementing the add and find functions in the phonebook class. I am not sure how I am suppose to implement the functions using the prototypes provided. Any help would be appreciated. #ifndef Name_H #define Name_H #include <iostream> #include …  |
| | Hi, I have a problem in evaluating a macro in this code: #include<iostream> #define _A_ some #define Func _A_Func using namespace std; int someFunc(int i) { return i; } int main() { cout<<Func(1); } I get an error: test.cpp: In function ‘int main()’: test.cpp:13:13: error: ‘_A_Func’ was not declared in …  |
| | Hi im writing a fill-in-the-blanks program and I am stuck on how to delete a node from a liked list. I am suppost to follow this psuedocode to finish the program. I think I am close to a solution, can anyone point out what im doing wrong? The list already … |
 | Hi, I'm working on a small project and i'm stuck in a part where I need to replace the existing word in file with a new one. I really have no idea about it.. I'm posting the function block where i'm facing the problem void team::team_list() { string str = … |
| | hi! i started my programming studies not a long ago. we work on c++ and somehow the program is not compiling on my computer. the software is legal, i installed and started it with no problem but when i do debug or build i always recieve this error at the …  |
| | I cannot get the math right for the higher option. When you run the program, the program will go lower, but it wont go go higher. What is it i need to change? this program is due by the end of my class today and i can't figure it out. …  |
| | Hi, I have got an integer as 0010000001. I need to remove the last 4 digits ie 0001 and the remaining digits is 001000(this is expected) The truncation of last 4 digit is standard. ie the size of last digits is always 4. can anybody help me to code this … |
| | **Requirements** Write the following function: void splitDate(int dayOfYear, int year, int *month, int *day); dayOfYear is an integer between 1 and 366, specifying a particular day within the year designated by year. month and day point to variables in which the function will store the equivalent month (1-12) and day …  |
| | I have been working on this phonebook application for a few days now. I am suppose to Create classes Name, PhoneNumber, and PhoneBook that are employed by the provided phone book program, PhoneBookProgram.cpp. Class Name Represents the name for a listing in a phone book (example: Phil’s Pizza) Overloads stream … |
 | i'm having trouble with this assignment for my cs class the directions say "Make operator+ combine together the contents of two TrashCan, as long as the contents does not exceed the size. Make operator- subtract one TrashCans contents from another, as long as the size or contents don't go negative. … |
| | i must do an project with sorting using priority queue..i find some things on books but the code was with classes and i don't learned about it ...please can halp me with some oppinion  |
| | Define a getTopTwoScores() function with the specification and prototype shown below: // Set highest to the score with highest value and secondHighest to the score with the next highest value. // If there are two highest scores with the same value then set both highest and secondHighest to that value. … |
| | #include <iostream> using namespace std; int main() { int n1, n2, n3, i=0; for (n1 = 1; n1 < 10; n1++) { for (n2 = 0; n2 < 10; n2++) { for (n3 = 0; n3 < 10; n3++) { cout << i << " " << n1 << " …  |
 | Hello, I have the following code: `#include <iostream.h> void main() { double test=3.46578953218549; cout.setf(ios::dec); cout<<test; }` I understand that iostream.h is outdated and Microsoft Visual Studio has iostream. However, When I remove the ".h" the setf, ios, etc, line 6 has multiple errors. So, my question is: How do I … |
| | ASsuming in class , i have: class math { private: int x,y; public: bool operator>(const math& ); bool operator<(const math& ); } bool Point2D::operator>(const math &p) { return (this->x > p.x); } bool Point2D::operator<(const math &p ) { return (this->x < p.x); } bool Point2D::operator>(const math &p) { return (this->y … |
| | #include<string> int str_len( const char * const src) { int len=0; while(src[len]) { len++; } return len; } int str_copy( char * &dest, char * src) // removed (const) to sore the string in dest.By using const,we dont have the // access to store the string.By using ampersand we can … |
| | I pasted the code here: http://codepaste.net/hy5n6m . In that version creating a cypher is no problem but decrypting a code doesn't work. I've only gotten it to work a couple times and I lost those versions (because something else always went wrong there). I have a couple other versions which … |
| | Hi, Iam using filestreams to create binary file (c:\\..\\abc.bin).I want to put some checksum when i try to open the file through programming ,like if it is previously modified through another application or done manually.At the point of opening the binary file i need to perform some checksum by checking … |
| | Define a getScores() function with the specification and prototype shown below: // Get scores from console and return the number of scores recorded. // A negative value signifies end of input. // If more than MAX_SCORES values are entered then discard entries beyond the first MAX_SCORES. // Assume that MAX_SCORES … |
 | There are lots of flash video downloader out there such as "http://www.flashvideodownloader.org/" and I am sure you have seen it too. I am hoping to capture the url of a video file which is playing in a flash video player in C++ or C#. How can I do it? Would … |
| | Write a program that prompts the user to enter 5 numbers then prints the largest and smallest number to the user. Add a while loop to keep the program running until the user wants to stop. |
| | I want to sort the array items using the vector. Example: int buff[4] = {15, 6, 55, 34}; std::vector<int> myVector(buff, buff+4); now i will pass the array in to sort the buff data in ascending order. mySort(myVector.begin(),myVector.end()); How to do this ? Kindly suggest. |
| | HI people, First post here, please go easy on me :) #include <iostream> #include <array> int main() { using namespace std; array<int, 5> cppArr = {1,2,3,4,5}; //"missing braces.." error and unresolved symbol highlight return 0; } With "-pedantic -Wall -Werror" specified, compiling the above snippet in eclipse (using cygwin or … |
| | I have written a code that reads and input file, does some silly little calculations with some functions. It's a schoolwork assignment, but its done :) With one small kink- I need to create an output file. Well, actually I can make the out file just fine. But I have … |
| | Is there anyway to interrupt one program with another program? One program writes to a file, and the other one reads and prints a certain statement depending on what was read. I want the reading program to be interrupted when the writing program writes. |
| | I get a compiling error in the main fuction 'cout << a.GetVect() ; ' I am not sure whether the problem is in the overloading function or in class. Anyone has any idea why I take this error? you can check the compiled code and errors in http://ideone.com/ODOJik Thanks in … |
| | Isn't the remainder should be 0? But in programming 2%5=2, 4%5=4 Please explain |
| | The prgram will only display one number. In this case 9. I switched, 9 with 6.71; and only 6.71 displayed. So what this means, only the 2nd to last node's value is displayed. Note that the display function is able to display the original order of the array passed to … |
| | I will be posting bits and pieces of my code that is relevant. //Function Prototype int binarySearch(char*); // Binary search of dictionary. the Function I'm passing to. char* reverseTruncateCipher[80]; <---- variable I'm passing. /*I have these variables stored in them reverseTruncateCipher[0] = all reverseTruncateCipher[1] = generalizations reverseTruncateCipher[2] = are reverseTruncateCipher[3] … |
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